diff --git a/docs/content/commands/npm-diff.md b/docs/content/commands/npm-diff.md new file mode 100644 index 0000000000000..cd8218265063f --- /dev/null +++ b/docs/content/commands/npm-diff.md @@ -0,0 +1,159 @@ +--- +title: npm-diff +section: 1 +description: The registry diff command +--- + +### Synopsis + +```bash +npm diff +npm diff +npm diff [] +npm diff [] +``` + +### Description + +Similar to its `git diff` counterpart, this command will print diff patches +of files for packages published to the npm registry. + +A variation of different arguments are supported, along with a range of +familiar options from [git diff](https://git-scm.com/docs/git-diff#_options). + +* `npm diff ` + + Compares two package versions using their registry specifiers, e.g: + `npm diff foo@1.0.0 foo@^2.0.0`. It's also possible to compare across forks + of any package, e.g: `npm diff foo@1.0.0 foo-fork@1.0.0`. + + Any valid spec can be used, so that it's also possible to compare + directories or git repositories, e.g: `npm diff foo@latest ./packages/foo` + +* `npm diff` (in a package directory, no arguments): + + If the package is published to the registry, `npm diff` will fetch the + tarball version tagged as `latest` (this value can be configured using the + `tag` option) and proceed to compare the contents of files present in that + tarball, with the current files in your local file system. + + This workflow provides a handy way for package authors to see what + package-tracked files have been changed in comparison with the latest + published version of that package. + +* `npm diff []` + + Using `npm diff` along with semver-valid version numbers is a shorthand + to compare different versions of the current package. It needs to be run + from a package directory, such that for a package named `foo` running + `npm diff 1.0.0 1.0.1` is the same as running + `npm diff foo@1.0.0 foo@1.0.1`. If only a single argument `` is + provided, then the current local file system is going to be compared + against that version. + +* `npm diff ` + + When using a single package name (with no version or tag specifier) as an + argument, `npm diff` will work in a similar way to + [`npm-outdated`](npm-outdated) and reach for the registry to figure out + what current published version of the package named will satisfy + its dependent declared semver-range. Once that specific version is known + `npm diff` will print diff patches comparing the current version of + found in the local file system with that specific version + returned by the registry. + +* `npm diff ` (single specifier argument) + + Similar to using only a single package name, it's also possible to declare + a full registry specifier version if you wish to compare the local version + of a installed package with the specific version/tag/semver-range provided + in ``. e.g: (assuming foo@1.0.0 is installed in the current + `node_modules` folder) running `npm diff foo@2.0.0` will effectively be + an alias to `npm diff foo@1.0.0 foo@2.0.0`. + +#### Filtering files + +It's possible to also specify file names or globs pattern matching in order to +limit the result of diff patches to only a subset of files for a given package. + +Given the fact that paths are also valid specs, a separator `--` is required +when specifying sets of files to filter in diff. Any extra argument declared +after `--` will be treated as a filenames/globs and diff results will be +limited to files included or matched by those. e.g: + +`npm diff foo@2 -- lib/* CHANGELOG.md` + +Note: When using `npm diff` with two spec/version arguments, the separator `--` +becomes redudant and can be removed, e.g: `npm diff foo@1.0.0 foo@1.0.1 lib/*` + +### Configuration + +#### name-only + +* Type: Boolean +* Default: false + +When set to `true` running `npm diff` only returns the names of the files that +have any difference. + +#### unified + +* Alias: `-U` +* Type: number +* Default: `3` + +The number of lines of context to print in the unified diff format output. + +#### ignore-all-space + +* Alias: `-w` +* Type: Boolean +* Default: false + +Ignore whitespace when comparing lines. This ignores differences even if one +line has whitespace where the other line has none. + +#### no-prefix + +* Type: Boolean +* Default: false + +Do not show any source or destination prefix. + +#### src-prefix + +* Type: String +* Default: `"a/"` + +Show the given source prefix in diff patches headers instead of using "a/". + +#### dst-prefix + +* Type: String +* Default: `"b/"` + +Show the given source prefix in diff patches headers instead of using "b/". + +#### text + +* Alias: `-a` +* Type: Boolean +* Default: false + +Treat all files as text. + +#### tag + +* Type: String +* Default: `"latest"` + +The tag used to fetch the tarball that will be compared with local file system +files when running npm diff with no arguments. + + +## See Also + +* [npm outdated](/commands/npm-outdated) +* [npm install](/commands/npm-install) +* [npm config](/commands/npm-config) +* [npm registry](/using-npm/registry) diff --git a/lib/diff.js b/lib/diff.js new file mode 100644 index 0000000000000..cce43e229a794 --- /dev/null +++ b/lib/diff.js @@ -0,0 +1,200 @@ +const semver = require('semver') +const libdiff = require('libnpmdiff') +const npa = require('npm-package-arg') +const Arborist = require('@npmcli/arborist') +const npmlog = require('npmlog') +const pacote = require('pacote') +const pickManifest = require('npm-pick-manifest') + +const npm = require('./npm.js') +const usageUtil = require('./utils/usage.js') +const output = require('./utils/output.js') +const completion = require('./utils/completion/none.js') +const readLocalPkg = require('./utils/read-local-package.js') + +const usage = usageUtil( + 'diff', + 'npm diff' + + '\nnpm diff [--ignore-all-space] [--name-only] [-- ...]' + + '\nnpm diff ' + + '\nnpm diff []' + + '\nnpm diff []' +) + +const cmd = (args, cb) => diff(args).then(() => cb()).catch(cb) + +const diff = async (args) => { + const [a, b, ...files] = parseArgs(args) + const specs = await retrieveSpecs([a, b]) + npmlog.info(`diff a:${specs.a} b:${specs.b}`) + const res = await libdiff(specs, { + ...npm.flatOptions, + ...{ diffOpts: { + files, + ...getDiffOpts(), + }}, + }) + return output(res) +} + +const parseArgs = (args) => { + const argv = npm.config.parsedArgv.cooked + const sep = argv.indexOf('--') + + if (sep > -1) { + const files = argv.slice(sep + 1) + const notFiles = argv.slice(0, sep) + const [a, b] = args.map(arg => notFiles.includes(arg) ? arg : undefined) + return [a, b, ...files] + } + + return args +} + +const retrieveSpecs = async (args) => { + const [a, b] = await convertVersionsToSpecs(args) + + if (!a) { + const spec = await defaultSpec() + return { a: spec } + } + + if (!b) + return await transformSingleSpec(a) + + return { a, b } +} + +const convertVersionsToSpecs = (args) => + Promise.all(args.map(async arg => { + if (semver.valid(arg)) { + let pkgName + try { + pkgName = await readLocalPkg() + } catch (e) {} + + if (!pkgName) { + throw new Error( + 'Needs to be run from a project dir in order to use versions.\n\n' + + `Usage:\n${usage}` + ) + } + + return `${pkgName}@${arg}` + } + return arg + })) + +const defaultSpec = async () => { + let pkgName + try { + pkgName = await readLocalPkg() + } catch (e) {} + + if (!pkgName) { + throw new Error( + 'Needs multiple arguments to compare or run from a project dir.\n\n' + + `Usage:\n${usage}` + ) + } + + return `${pkgName}@${npm.flatOptions.defaultTag}` +} + +const transformSingleSpec = async (a) => { + const spec = npa(a) + let pkgName + + try { + pkgName = await readLocalPkg() + } catch (e) {} + + if (!pkgName) { + throw new Error( + 'Needs to be run from a project dir in order to use a single package name.\n\n' + + `Usage:\n${usage}` + ) + } + + // when using a single package name as arg and it's part of the current + // install tree, then retrieve the current installed version and compare + // it against the same value `npm outdated` would suggest you to update to + if (spec.registry && spec.name !== pkgName) { + const opts = { + ...npm.flatOptions, + path: npm.flatOptions.prefix, + } + const arb = new Arborist(opts) + const actualTree = await arb.loadActual(opts) + const [node] = [ + ...actualTree.inventory + .query('name', spec.name) + .values(), + ] + + if (!node || !node.name || !node.package || !node.package.version) { + throw new Error( + `Package ${a} not found in the current installed tree.\n\n` + + `Usage:\n${usage}` + ) + } + + const tryRootNodeSpec = () => + (actualTree.edgesOut.get(spec.name) || {}).spec + + const tryAnySpec = () => { + for (const edge of node.edgesIn) + return edge.spec + } + + const aSpec = node.package.version + + // finds what version of the package to compare against, if a exact + // version or tag was passed than it should use that, otherwise + // work from the top of the arborist tree to find the original semver + // range declared in the package that depends on the package. + let bSpec + if (spec.rawSpec) + bSpec = spec.rawSpec + else { + const bTargetVersion = + tryRootNodeSpec() + || tryAnySpec() + || `${npm.flatOptions.savePrefix}${node.package.version}` + + // figure out what to compare against, + // follows same logic to npm outdated "Wanted" results + const packument = await pacote.packument(spec, { + ...npm.flatOptions, + preferOnline: true, + }) + bSpec = pickManifest( + packument, + bTargetVersion, + { ...npm.flatOptions } + ).version + } + + return { + a: `${spec.name}@${aSpec}`, + b: `${spec.name}@${bSpec}`, + } + } + + return { a } +} + +const getDiffOpts = () => ({ + nameOnly: npm.config.get('name-only', 'cli'), + context: npm.config.get('unified', 'cli') || + npm.config.get('U', 'cli'), + ignoreWhitespace: npm.config.get('ignore-all-space', 'cli') || + npm.config.get('w', 'cli'), + noPrefix: npm.config.get('no-prefix', 'cli'), + srcPrefix: npm.config.get('src-prefix', 'cli'), + dstPrefix: npm.config.get('dst-prefix', 'cli'), + text: npm.config.get('text', 'cli') || + npm.config.get('a', 'cli'), +}) + +module.exports = Object.assign(cmd, { completion, usage }) diff --git a/lib/utils/cmd-list.js b/lib/utils/cmd-list.js index 8c092e719c05c..4e088c12d43f6 100644 --- a/lib/utils/cmd-list.js +++ b/lib/utils/cmd-list.js @@ -119,6 +119,7 @@ const cmdList = [ 'prefix', 'bin', 'whoami', + 'diff', 'dist-tag', 'ping', diff --git a/node_modules/.gitignore b/node_modules/.gitignore index e68483b4b2e40..37096b72bbe79 100644 --- a/node_modules/.gitignore +++ b/node_modules/.gitignore @@ -29,7 +29,6 @@ package-lock.json /astral-regex /async-hook-domain /base64-js -/binary-extensions /bind-obj-methods /bindings /bl diff --git a/node_modules/@npmcli/disparity-colors/CHANGELOG.md b/node_modules/@npmcli/disparity-colors/CHANGELOG.md new file mode 100644 index 0000000000000..216d1db905db8 --- /dev/null +++ b/node_modules/@npmcli/disparity-colors/CHANGELOG.md @@ -0,0 +1,6 @@ +# Changelog + +## 1.0.0 + +- Initial release + diff --git a/node_modules/@npmcli/disparity-colors/LICENSE b/node_modules/@npmcli/disparity-colors/LICENSE new file mode 100644 index 0000000000000..dedcd7d2f9dae --- /dev/null +++ b/node_modules/@npmcli/disparity-colors/LICENSE @@ -0,0 +1,15 @@ +The ISC License + +Copyright (c) npm Inc. + +Permission to use, copy, modify, and/or distribute this software for any +purpose with or without fee is hereby granted, provided that the above +copyright notice and this permission notice appear in all copies. + +THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR +IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. diff --git a/node_modules/@npmcli/disparity-colors/README.md b/node_modules/@npmcli/disparity-colors/README.md new file mode 100644 index 0000000000000..a89be36d87f2e --- /dev/null +++ b/node_modules/@npmcli/disparity-colors/README.md @@ -0,0 +1,49 @@ +# @npmcli/disparity-colors + +[![NPM version](https://img.shields.io/npm/v/@npmcli/disparity-colors)](https://www.npmjs.com/package/@npmcli/disparity-colors) +[![Build Status](https://img.shields.io/github/workflow/status/npm/disparity-colors/node-ci)](https://github.com/npm/disparity-colors) +[![License](https://img.shields.io/github/license/npm/disparity-colors)](https://github.com/npm/disparity-colors/blob/master/LICENSE) + +Spiritual sucessor to [disparity](https://www.npmjs.com/package/disparity). Colorizes [Diff Unified format](https://en.wikipedia.org/wiki/Diff#Unified_format) output using [ansi-styles](https://www.npmjs.com/package/ansi-styles). + +## Install + +`npm install @npmcli/disparity-colors` + +## Usage: + +```js +const colorize = require('@npmcli/disparity-colors') +mapWorkspaces(`--- a/src/index.js ++++ b/src/index.js +@@ -1,4 +1,5 @@ + "use strict"; ++"use foo"; + + const os = require("os"); +`) +// --- a/src/index.js +// +++ b/src/index.js +// @@ -1,4 +1,5 @@ +// "use strict"; +// +"use foo"; +// +// const os = require("os"); +``` + +## API: + +### `colorize(str, opts = {}) -> String` + +- `str`: A [Diff Unified format](https://en.wikipedia.org/wiki/Diff#Unified_format) string +- `opts`: + - `headerLength`: A **Number** defining how many lines should be colorized as header + +#### Returns + +A **String** including the appropriate [ANSI escape codes](https://en.wikipedia.org/wiki/ANSI_escape_code#Colors_and_Styles) + +## LICENSE + +[ISC](./LICENSE) + diff --git a/node_modules/@npmcli/disparity-colors/index.js b/node_modules/@npmcli/disparity-colors/index.js new file mode 100644 index 0000000000000..a02b8f884d8ac --- /dev/null +++ b/node_modules/@npmcli/disparity-colors/index.js @@ -0,0 +1,34 @@ +const ansi = require('ansi-styles') + +const colors = { + removed: ansi.red, + added: ansi.green, + header: ansi.yellow, + section: ansi.magenta +} + +function colorize (str, opts) { + let headerLength = (opts || {}).headerLength + if (typeof headerLength !== 'number' || Number.isNaN(headerLength)) { + headerLength = 2 + } + + const color = (str, colorId) => { + const { open, close } = colors[colorId] + // avoid highlighting the "\n" (would highlight till the end of the line) + return str.replace(/[^\n\r]+/g, open + '$&' + close) + } + + // this RegExp will include all the `\n` chars into the lines, easier to join + const lines = ((typeof str === 'string' && str) || '').split(/^/m) + + const start = color(lines.slice(0, headerLength).join(''), 'header') + const end = lines.slice(headerLength).join('') + .replace(/^-.*/gm, color('$&', 'removed')) + .replace(/^\+.*/gm, color('$&', 'added')) + .replace(/^@@.+@@/gm, color('$&', 'section')) + + return start + end +} + +module.exports = colorize diff --git a/node_modules/@npmcli/disparity-colors/package.json b/node_modules/@npmcli/disparity-colors/package.json new file mode 100644 index 0000000000000..3f389a42c9f99 --- /dev/null +++ b/node_modules/@npmcli/disparity-colors/package.json @@ -0,0 +1,60 @@ +{ + "name": "@npmcli/disparity-colors", + "version": "1.0.1", + "files": [ + "index.js" + ], + "engines": { + "node": ">=10" + }, + "description": "Colorizes unified diff output", + "repository": "https://github.com/npm/disparity-colors", + "keywords": [ + "disparity", + "npm", + "npmcli", + "diff", + "char", + "unified", + "multiline", + "string", + "color", + "ansi", + "terminal", + "cli", + "tty" + ], + "author": "npm Inc. ", + "contributors": [ + { + "name": "Ruy Adorno", + "url": "https://ruyadorno.com", + "twitter": "ruyadorno" + } + ], + "license": "ISC", + "scripts": { + "lint": "standard index.js", + "pretest": "npm run lint", + "test": "tap", + "snap": "tap", + "preversion": "npm test", + "postversion": "npm publish", + "prepublishOnly": "git push origin --follow-tags" + }, + "tap": { + "check-coverage": true + }, + "standard": { + "ignore": [ + "/tap-snapshots/" + ] + }, + "devDependencies": { + "standard": "^16.0.3", + "tap": "^14.11.0" + }, + "dependencies": { + "ansi-styles": "^4.3.0" + } +} diff --git a/node_modules/binary-extensions/binary-extensions.json b/node_modules/binary-extensions/binary-extensions.json new file mode 100644 index 0000000000000..4aab3837893a2 --- /dev/null +++ b/node_modules/binary-extensions/binary-extensions.json @@ -0,0 +1,260 @@ +[ + "3dm", + "3ds", + "3g2", + "3gp", + "7z", + "a", + "aac", + "adp", + "ai", + "aif", + "aiff", + "alz", + "ape", + "apk", + "appimage", + "ar", + "arj", + "asf", + "au", + "avi", + "bak", + "baml", + "bh", + "bin", + "bk", + "bmp", + "btif", + "bz2", + "bzip2", + "cab", + "caf", + "cgm", + "class", + "cmx", + "cpio", + "cr2", + "cur", + "dat", + "dcm", + "deb", + "dex", + "djvu", + "dll", + "dmg", + "dng", + "doc", + "docm", + "docx", + "dot", + "dotm", + "dra", + "DS_Store", + "dsk", + "dts", + "dtshd", + "dvb", + "dwg", + "dxf", + "ecelp4800", + "ecelp7470", + "ecelp9600", + "egg", + "eol", + "eot", + "epub", + "exe", + "f4v", + "fbs", + "fh", + "fla", + "flac", + "flatpak", + "fli", + "flv", + "fpx", + "fst", + "fvt", + "g3", + "gh", + "gif", + "graffle", + "gz", + "gzip", + "h261", + "h263", + "h264", + "icns", + "ico", + "ief", + "img", + "ipa", + "iso", + "jar", + "jpeg", + "jpg", + "jpgv", + "jpm", + "jxr", + "key", + "ktx", + "lha", + "lib", + "lvp", + "lz", + "lzh", + "lzma", + "lzo", + "m3u", + "m4a", + "m4v", + "mar", + "mdi", + "mht", + "mid", + "midi", + "mj2", + "mka", + "mkv", + "mmr", + "mng", + "mobi", + "mov", + "movie", + "mp3", + "mp4", + "mp4a", + "mpeg", + "mpg", + "mpga", + "mxu", + "nef", + "npx", + "numbers", + "nupkg", + "o", + "odp", + "ods", + "odt", + "oga", + "ogg", + "ogv", + "otf", + "ott", + "pages", + "pbm", + "pcx", + "pdb", + "pdf", + "pea", + "pgm", + "pic", + "png", + "pnm", + "pot", + "potm", + "potx", + "ppa", + "ppam", + "ppm", + "pps", + "ppsm", + "ppsx", + "ppt", + "pptm", + "pptx", + "psd", + "pya", + "pyc", + "pyo", + "pyv", + "qt", + "rar", + "ras", + "raw", + "resources", + "rgb", + "rip", + "rlc", + "rmf", + "rmvb", + "rpm", + "rtf", + "rz", + "s3m", + "s7z", + "scpt", + "sgi", + "shar", + "snap", + "sil", + "sketch", + "slk", + "smv", + "snk", + "so", + "stl", + "suo", + "sub", + "swf", + "tar", + "tbz", + "tbz2", + "tga", + "tgz", + "thmx", + "tif", + "tiff", + "tlz", + "ttc", + "ttf", + "txz", + "udf", + "uvh", + "uvi", + "uvm", + "uvp", + "uvs", + "uvu", + "viv", + "vob", + "war", + "wav", + "wax", + "wbmp", + "wdp", + "weba", + "webm", + "webp", + "whl", + "wim", + "wm", + "wma", + "wmv", + "wmx", + "woff", + "woff2", + "wrm", + "wvx", + "xbm", + "xif", + "xla", + "xlam", + "xls", + "xlsb", + "xlsm", + "xlsx", + "xlt", + "xltm", + "xltx", + "xm", + "xmind", + "xpi", + "xpm", + "xwd", + "xz", + "z", + "zip", + "zipx" +] diff --git a/node_modules/binary-extensions/binary-extensions.json.d.ts b/node_modules/binary-extensions/binary-extensions.json.d.ts new file mode 100644 index 0000000000000..94a248c2bcff7 --- /dev/null +++ b/node_modules/binary-extensions/binary-extensions.json.d.ts @@ -0,0 +1,3 @@ +declare const binaryExtensionsJson: readonly string[]; + +export = binaryExtensionsJson; diff --git a/node_modules/binary-extensions/index.d.ts b/node_modules/binary-extensions/index.d.ts new file mode 100644 index 0000000000000..f469ac5fb0fe5 --- /dev/null +++ b/node_modules/binary-extensions/index.d.ts @@ -0,0 +1,14 @@ +/** +List of binary file extensions. + +@example +``` +import binaryExtensions = require('binary-extensions'); + +console.log(binaryExtensions); +//=> ['3ds', '3g2', …] +``` +*/ +declare const binaryExtensions: readonly string[]; + +export = binaryExtensions; diff --git a/node_modules/binary-extensions/index.js b/node_modules/binary-extensions/index.js new file mode 100644 index 0000000000000..d46e468867114 --- /dev/null +++ b/node_modules/binary-extensions/index.js @@ -0,0 +1 @@ +module.exports = require('./binary-extensions.json'); diff --git a/node_modules/binary-extensions/license b/node_modules/binary-extensions/license new file mode 100644 index 0000000000000..401b1c731bcd3 --- /dev/null +++ b/node_modules/binary-extensions/license @@ -0,0 +1,9 @@ +MIT License + +Copyright (c) 2019 Sindre Sorhus (https://sindresorhus.com), Paul Miller (https://paulmillr.com) + +Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/node_modules/binary-extensions/package.json b/node_modules/binary-extensions/package.json new file mode 100644 index 0000000000000..c4d3641735b91 --- /dev/null +++ b/node_modules/binary-extensions/package.json @@ -0,0 +1,38 @@ +{ + "name": "binary-extensions", + "version": "2.2.0", + "description": "List of binary file extensions", + "license": "MIT", + "repository": "sindresorhus/binary-extensions", + "author": { + "name": "Sindre Sorhus", + "email": "sindresorhus@gmail.com", + "url": "sindresorhus.com" + }, + "engines": { + "node": ">=8" + }, + "scripts": { + "test": "xo && ava && tsd" + }, + "files": [ + "index.js", + "index.d.ts", + "binary-extensions.json", + "binary-extensions.json.d.ts" + ], + "keywords": [ + "binary", + "extensions", + "extension", + "file", + "json", + "list", + "array" + ], + "devDependencies": { + "ava": "^1.4.1", + "tsd": "^0.7.2", + "xo": "^0.24.0" + } +} diff --git a/node_modules/binary-extensions/readme.md b/node_modules/binary-extensions/readme.md new file mode 100644 index 0000000000000..3e25dd835e08b --- /dev/null +++ b/node_modules/binary-extensions/readme.md @@ -0,0 +1,41 @@ +# binary-extensions + +> List of binary file extensions + +The list is just a [JSON file](binary-extensions.json) and can be used anywhere. + + +## Install + +``` +$ npm install binary-extensions +``` + + +## Usage + +```js +const binaryExtensions = require('binary-extensions'); + +console.log(binaryExtensions); +//=> ['3ds', '3g2', …] +``` + + +## Related + +- [is-binary-path](https://github.com/sindresorhus/is-binary-path) - Check if a filepath is a binary file +- [text-extensions](https://github.com/sindresorhus/text-extensions) - List of text file extensions + + +--- + +
+ + Get professional support for this package with a Tidelift subscription + +
+ + Tidelift helps make open source sustainable for maintainers while giving companies
assurances about security, maintenance, and licensing for their dependencies. + +
diff --git a/node_modules/libnpmdiff/CHANGELOG.md b/node_modules/libnpmdiff/CHANGELOG.md new file mode 100644 index 0000000000000..19f9b0ca34962 --- /dev/null +++ b/node_modules/libnpmdiff/CHANGELOG.md @@ -0,0 +1,10 @@ +# Changelog + +## 1.0.1 + +- fixed nameOnly option + +## 1.0.0 + +- Initial release + diff --git a/node_modules/libnpmdiff/LICENSE b/node_modules/libnpmdiff/LICENSE new file mode 100644 index 0000000000000..d3a1cdfd217b6 --- /dev/null +++ b/node_modules/libnpmdiff/LICENSE @@ -0,0 +1,15 @@ +The ISC License + +Copyright (c) GitHub Inc. + +Permission to use, copy, modify, and/or distribute this software for any +purpose with or without fee is hereby granted, provided that the above +copyright notice and this permission notice appear in all copies. + +THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR +IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. diff --git a/node_modules/libnpmdiff/README.md b/node_modules/libnpmdiff/README.md new file mode 100644 index 0000000000000..47535e93b0cdc --- /dev/null +++ b/node_modules/libnpmdiff/README.md @@ -0,0 +1,98 @@ +# libnpmdiff + +[![npm version](https://img.shields.io/npm/v/libnpmdiff.svg)](https://npm.im/libnpmdiff) +[![license](https://img.shields.io/npm/l/libnpmdiff.svg)](https://npm.im/libnpmdiff) +[![GitHub Actions](https://github.com/npm/libnpmdiff/workflows/node-ci/badge.svg)](https://github.com/npm/libnpmdiff/actions?query=workflow%3Anode-ci) +[![Coverage Status](https://coveralls.io/repos/github/npm/libnpmdiff/badge.svg?branch=main)](https://coveralls.io/github/npm/libnpmdiff?branch=main) + +The registry diff lib. + +## Table of Contents + +* [Example](#example) +* [Install](#install) +* [Contributing](#contributing) +* [API](#api) +* [LICENSE](#license) + +## Example + +```js +const libdiff = require('libnpmdiff') + +const patch = await libdiff({ + a: 'abbrev@1.1.0', + b: 'abbrev@1.1.1' +}) +console.log( + patch +) +``` + +Returns: + +```patch +diff --git a/package.json b/package.json +index v1.1.0..v1.1.1 100644 +--- a/package.json ++++ b/package.json +@@ -1,6 +1,6 @@ + { + "name": "abbrev", +- "version": "1.1.0", ++ "version": "1.1.1", + "description": "Like ruby's abbrev module, but in js", + "author": "Isaac Z. Schlueter ", + "main": "abbrev.js", + +``` + +## Install + +`$ npm install libnpmdiff` + +### Contributing + +The npm team enthusiastically welcomes contributions and project participation! +There's a bunch of things you can do if you want to contribute! The +[Contributor Guide](https://github.com/npm/cli/blob/latest/CONTRIBUTING.md) +outlines the process for community interaction and contribution. Please don't +hesitate to jump in if you'd like to, or even ask us questions if something +isn't clear. + +All participants and maintainers in this project are expected to follow the +[npm Code of Conduct](https://www.npmjs.com/policies/conduct), and just +generally be excellent to each other. + +Please refer to the [Changelog](CHANGELOG.md) for project history details, too. + +Happy hacking! + +### API + +#### `> libnpmdif({ a, b }, [opts]) -> Promise` + +Fetches the registry tarballs and compare files between a spec `a` and spec `b`. **npm** spec types are usually described in `@` form but multiple other types are alsos supported, for more info on valid specs take a look at [`npm-package-arg`](https://github.com/npm/npm-package-arg). + +If only spec `a` is provided, then it's going to try and compare that specified spec against the current project directory in the local file system (cwd may be set via `opts.prefix` option). + +**Options**: + +- `color `: Should add ANSI colors to string output? Defaults to `false`. +- `tagVersionPrefix `: What prefix should be used to define version numbers. Defaults to `v` +- `prefix `: The path to use as current working directory if trying to read from local file system when using only a single comparison parameter `a`. Defaults to `.`. +- ...`cache`, `registry` and other common options accepted by [pacote](https://github.com/npm/pacote#options) +- `diffOpts `: Object containing extra options on how to format the diff patch output: + - `context `: How many lines of code to print before/after each diff. Defaults to `3`. + - `files >`: If set only prints patches for the files listed in this array (also accepts globs). Defaults to `undefined`. + - `ignoreWhitespace `: Whether or not should ignore changes in whitespace (very useful to avoid indentation changes extra diff lines). Defaults to `false`. + - `nameOnly `: Prints only file names and no patch diffs. Defaults to `false`. + - `noPrefix `: If true then skips printing any prefixes in filenames. Defaults to `false`. + - `srcPrefix `: Prefix to be used in the filenames from `a`. Defaults to `a/`. + - `dstPrefix `: Prefix to be used in the filenames from `b`. Defaults to `b/`. + - `text `: Should treat all files as text and try to print diff for binary files. Defaults to `false`. + +## LICENSE + +[ISC](./LICENSE) + diff --git a/node_modules/libnpmdiff/index.js b/node_modules/libnpmdiff/index.js new file mode 100644 index 0000000000000..9fe9a71780d58 --- /dev/null +++ b/node_modules/libnpmdiff/index.js @@ -0,0 +1,53 @@ +const pacote = require('pacote') + +const formatDiff = require('./lib/format-diff.js') +const untar = require('./lib/untar.js') + +const diff = async (specs, opts = {}) => { + const { prefix: path } = opts + + const aManifest = await pacote.manifest(specs.a, opts) + + // when using a single argument the spec to compare from is going to be + // figured out from reading the current location package + if (!specs.b) + specs.b = `file:${path || '.'}` + + const bManifest = await pacote.manifest(specs.b, opts) + + const versions = { + a: aManifest.version, + b: bManifest.version, + } + + // fetches tarball using pacote + const [a, b] = await Promise.all([ + pacote.tarball(aManifest._resolved, opts), + pacote.tarball(bManifest._resolved, opts), + ]) + + // read all files + // populates `files` and `refs` + const { + files, + refs, + } = await untar([ + { + prefix: 'a/', + item: a, + }, + { + prefix: 'b/', + item: b, + }, + ], opts) + + return formatDiff({ + files, + opts, + refs, + versions, + }) +} + +module.exports = diff diff --git a/node_modules/libnpmdiff/lib/format-diff.js b/node_modules/libnpmdiff/lib/format-diff.js new file mode 100644 index 0000000000000..82d79a6082850 --- /dev/null +++ b/node_modules/libnpmdiff/lib/format-diff.js @@ -0,0 +1,95 @@ +const EOL = '\n' + +const colorizeDiff = require('@npmcli/disparity-colors') +const jsDiff = require('diff') + +const shouldPrintPatch = require('./should-print-patch.js') + +const formatDiff = ({ files, opts = {}, refs, versions }) => { + let res = '' + const diffOpts = opts.diffOpts || {} + const srcPrefix = diffOpts.noPrefix ? '' : diffOpts.srcPrefix || 'a/' + const dstPrefix = diffOpts.noPrefix ? '' : diffOpts.dstPrefix || 'b/' + + for (const filename of files.values()) { + const names = { + a: `${srcPrefix}${filename}`, + b: `${dstPrefix}${filename}`, + } + + let fileMode = '' + const filenames = { + a: refs.get(`a/${filename}`), + b: refs.get(`b/${filename}`), + } + const contents = { + a: filenames.a && filenames.a.content, + b: filenames.b && filenames.b.content, + } + const modes = { + a: filenames.a && filenames.a.mode, + b: filenames.b && filenames.b.mode, + } + + if (contents.a === contents.b && modes.a === modes.b) + continue + + if (diffOpts.nameOnly) { + res += `${filename}${EOL}` + continue + } + + let patch = '' + let headerLength = 0 + const header = str => { + headerLength++ + patch += `${str}${EOL}` + } + + // manually build a git diff-compatible header + header(`diff --git ${names.a} ${names.b}`) + if (modes.a === modes.b) + fileMode = filenames.a.mode + else { + if (modes.a && !modes.b) + header(`deleted file mode ${modes.a}`) + else if (!modes.a && modes.b) + header(`new file mode ${modes.b}`) + else { + header(`old mode ${modes.a}`) + header(`new mode ${modes.b}`) + } + } + header(`index ${opts.tagVersionPrefix || 'v'}${versions.a}..${opts.tagVersionPrefix || 'v'}${versions.b} ${fileMode}`) + + if (shouldPrintPatch(filename)) { + patch += jsDiff.createTwoFilesPatch( + names.a, + names.b, + contents.a || '', + contents.b || '', + '', + '', + { + context: diffOpts.context || 3, + ignoreWhitespace: diffOpts.ignoreWhitespace, + } + ).replace( + '===================================================================\n', + '' + ).replace(/\t\n/g, '\n') // strip trailing tabs + headerLength += 2 + } else { + header(`--- ${names.a}`) + header(`+++ ${names.b}`) + } + + res += (opts.color + ? colorizeDiff(patch, { headerLength }) + : patch) + } + + return res.trim() +} + +module.exports = formatDiff diff --git a/node_modules/libnpmdiff/lib/should-print-patch.js b/node_modules/libnpmdiff/lib/should-print-patch.js new file mode 100644 index 0000000000000..618e439b25702 --- /dev/null +++ b/node_modules/libnpmdiff/lib/should-print-patch.js @@ -0,0 +1,22 @@ +const { basename, extname } = require('path') + +const binaryExtensions = require('binary-extensions') + +// we should try to print patches as long as the +// extension is not identified as binary files +const shouldPrintPatch = (path, opts = {}) => { + const { text } = opts.diffOpts || {} + if (text) + return true + + const filename = basename(path) + const extension = ( + filename.startsWith('.') + ? filename + : extname(filename) + ).substr(1) + + return !binaryExtensions.includes(extension) +} + +module.exports = shouldPrintPatch diff --git a/node_modules/libnpmdiff/lib/untar.js b/node_modules/libnpmdiff/lib/untar.js new file mode 100644 index 0000000000000..5358fa14ac531 --- /dev/null +++ b/node_modules/libnpmdiff/lib/untar.js @@ -0,0 +1,83 @@ +const tar = require('tar') +const minimatch = require('minimatch') + +const normalizeMatch = str => str + .replace(/\\+/g, '/') + .replace(/^\.\/|^\./, '') + +// files and refs are mutating params +// filterFiles, item, prefix and opts are read-only options +const untar = ({ files, refs }, { filterFiles, item, prefix }) => { + tar.list({ + filter: (path, entry) => { + if ( + entry.type !== 'File' || + (filterFiles.length && + !filterFiles.some(f => + minimatch(normalizeMatch(path), `{package/,}${normalizeMatch(f)}`))) + ) + return false + + const key = path.replace(/^[^/]+\/?/, '') + files.add(key) + + // should skip reading file when using --name-only option + let content + try { + entry.setEncoding('utf8') + content = entry.concat() + } catch (e) { + /* istanbul ignore next */ + throw Object.assign( + new Error('failed to read files'), + { code: 'EDIFFUNTAR' } + ) + } + + refs.set(`${prefix}${key}`, { + content, + mode: `100${entry.mode.toString(8)}`, + }) + return true + }, + }) + .on('error', /* istanbul ignore next */ e => { + throw e + }) + .end(item) +} + +const readTarballs = async (tarballs, opts = {}) => { + const files = new Set() + const refs = new Map() + const arr = [].concat(tarballs) + const { files: _files } = opts.diffOpts || {} + + const filterFiles = _files || [] + + for (const i of arr) { + untar({ + files, + refs, + }, { + item: i.item, + prefix: i.prefix, + filterFiles, + }) + } + + // await to read all content from included files + const allRefs = [...refs.values()] + const contents = await Promise.all(allRefs.map(async ref => ref.content)) + + contents.forEach((content, index) => { + allRefs[index].content = content + }) + + return { + files, + refs, + } +} + +module.exports = readTarballs diff --git a/node_modules/libnpmdiff/node_modules/diff/CONTRIBUTING.md b/node_modules/libnpmdiff/node_modules/diff/CONTRIBUTING.md new file mode 100644 index 0000000000000..c8c4fe6cc225c --- /dev/null +++ b/node_modules/libnpmdiff/node_modules/diff/CONTRIBUTING.md @@ -0,0 +1,39 @@ +# How to Contribute + +## Pull Requests + +We also accept [pull requests][pull-request]! + +Generally we like to see pull requests that + +- Maintain the existing code style +- Are focused on a single change (i.e. avoid large refactoring or style adjustments in untouched code if not the primary goal of the pull request) +- Have [good commit messages](http://tbaggery.com/2008/04/19/a-note-about-git-commit-messages.html) +- Have tests +- Don't decrease the current code coverage (see coverage/lcov-report/index.html) + +## Building + +``` +npm install +npm test +``` + +The `npm test -- dev` implements watching for tests within Node and `karma start` may be used for manual testing in browsers. + +If you notice any problems, please report them to the GitHub issue tracker at +[http://github.com/kpdecker/jsdiff/issues](http://github.com/kpdecker/jsdiff/issues). + +## Releasing + +JsDiff utilizes the [release yeoman generator][generator-release] to perform most release tasks. + +A full release may be completed with the following: + +``` +yo release +npm publish +``` + +[generator-release]: https://github.com/walmartlabs/generator-release +[pull-request]: https://github.com/kpdecker/jsdiff/pull/new/master diff --git a/node_modules/libnpmdiff/node_modules/diff/LICENSE b/node_modules/libnpmdiff/node_modules/diff/LICENSE new file mode 100644 index 0000000000000..4e7146ed78a2f --- /dev/null +++ b/node_modules/libnpmdiff/node_modules/diff/LICENSE @@ -0,0 +1,31 @@ +Software License Agreement (BSD License) + +Copyright (c) 2009-2015, Kevin Decker + +All rights reserved. + +Redistribution and use of this software in source and binary forms, with or without modification, +are permitted provided that the following conditions are met: + +* Redistributions of source code must retain the above + copyright notice, this list of conditions and the + following disclaimer. + +* Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the + following disclaimer in the documentation and/or other + materials provided with the distribution. + +* Neither the name of Kevin Decker nor the names of its + contributors may be used to endorse or promote products + derived from this software without specific prior + written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR +IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND +FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR +CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER +IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT +OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. \ No newline at end of file diff --git a/node_modules/libnpmdiff/node_modules/diff/README.md b/node_modules/libnpmdiff/node_modules/diff/README.md new file mode 100644 index 0000000000000..be7b4ec8a5b24 --- /dev/null +++ b/node_modules/libnpmdiff/node_modules/diff/README.md @@ -0,0 +1,208 @@ +# jsdiff + +[![Build Status](https://secure.travis-ci.org/kpdecker/jsdiff.svg)](http://travis-ci.org/kpdecker/jsdiff) +[![Sauce Test Status](https://saucelabs.com/buildstatus/jsdiff)](https://saucelabs.com/u/jsdiff) + +A javascript text differencing implementation. + +Based on the algorithm proposed in +["An O(ND) Difference Algorithm and its Variations" (Myers, 1986)](http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.4.6927). + +## Installation +```bash +npm install diff --save +``` + +## API + +* `Diff.diffChars(oldStr, newStr[, options])` - diffs two blocks of text, comparing character by character. + + Returns a list of change objects (See below). + + Options + * `ignoreCase`: `true` to ignore casing difference. Defaults to `false`. + +* `Diff.diffWords(oldStr, newStr[, options])` - diffs two blocks of text, comparing word by word, ignoring whitespace. + + Returns a list of change objects (See below). + + Options + * `ignoreCase`: Same as in `diffChars`. + +* `Diff.diffWordsWithSpace(oldStr, newStr[, options])` - diffs two blocks of text, comparing word by word, treating whitespace as significant. + + Returns a list of change objects (See below). + +* `Diff.diffLines(oldStr, newStr[, options])` - diffs two blocks of text, comparing line by line. + + Options + * `ignoreWhitespace`: `true` to ignore leading and trailing whitespace. This is the same as `diffTrimmedLines` + * `newlineIsToken`: `true` to treat newline characters as separate tokens. This allows for changes to the newline structure to occur independently of the line content and to be treated as such. In general this is the more human friendly form of `diffLines` and `diffLines` is better suited for patches and other computer friendly output. + + Returns a list of change objects (See below). + +* `Diff.diffTrimmedLines(oldStr, newStr[, options])` - diffs two blocks of text, comparing line by line, ignoring leading and trailing whitespace. + + Returns a list of change objects (See below). + +* `Diff.diffSentences(oldStr, newStr[, options])` - diffs two blocks of text, comparing sentence by sentence. + + Returns a list of change objects (See below). + +* `Diff.diffCss(oldStr, newStr[, options])` - diffs two blocks of text, comparing CSS tokens. + + Returns a list of change objects (See below). + +* `Diff.diffJson(oldObj, newObj[, options])` - diffs two JSON objects, comparing the fields defined on each. The order of fields, etc does not matter in this comparison. + + Returns a list of change objects (See below). + +* `Diff.diffArrays(oldArr, newArr[, options])` - diffs two arrays, comparing each item for strict equality (===). + + Options + * `comparator`: `function(left, right)` for custom equality checks + + Returns a list of change objects (See below). + +* `Diff.createTwoFilesPatch(oldFileName, newFileName, oldStr, newStr, oldHeader, newHeader)` - creates a unified diff patch. + + Parameters: + * `oldFileName` : String to be output in the filename section of the patch for the removals + * `newFileName` : String to be output in the filename section of the patch for the additions + * `oldStr` : Original string value + * `newStr` : New string value + * `oldHeader` : Additional information to include in the old file header + * `newHeader` : Additional information to include in the new file header + * `options` : An object with options. Currently, only `context` is supported and describes how many lines of context should be included. + +* `Diff.createPatch(fileName, oldStr, newStr, oldHeader, newHeader)` - creates a unified diff patch. + + Just like Diff.createTwoFilesPatch, but with oldFileName being equal to newFileName. + + +* `Diff.structuredPatch(oldFileName, newFileName, oldStr, newStr, oldHeader, newHeader, options)` - returns an object with an array of hunk objects. + + This method is similar to createTwoFilesPatch, but returns a data structure + suitable for further processing. Parameters are the same as createTwoFilesPatch. The data structure returned may look like this: + + ```js + { + oldFileName: 'oldfile', newFileName: 'newfile', + oldHeader: 'header1', newHeader: 'header2', + hunks: [{ + oldStart: 1, oldLines: 3, newStart: 1, newLines: 3, + lines: [' line2', ' line3', '-line4', '+line5', '\\ No newline at end of file'], + }] + } + ``` + +* `Diff.applyPatch(source, patch[, options])` - applies a unified diff patch. + + Return a string containing new version of provided data. `patch` may be a string diff or the output from the `parsePatch` or `structuredPatch` methods. + + The optional `options` object may have the following keys: + + - `fuzzFactor`: Number of lines that are allowed to differ before rejecting a patch. Defaults to 0. + - `compareLine(lineNumber, line, operation, patchContent)`: Callback used to compare to given lines to determine if they should be considered equal when patching. Defaults to strict equality but may be overridden to provide fuzzier comparison. Should return false if the lines should be rejected. + +* `Diff.applyPatches(patch, options)` - applies one or more patches. + + This method will iterate over the contents of the patch and apply to data provided through callbacks. The general flow for each patch index is: + + - `options.loadFile(index, callback)` is called. The caller should then load the contents of the file and then pass that to the `callback(err, data)` callback. Passing an `err` will terminate further patch execution. + - `options.patched(index, content, callback)` is called once the patch has been applied. `content` will be the return value from `applyPatch`. When it's ready, the caller should call `callback(err)` callback. Passing an `err` will terminate further patch execution. + + Once all patches have been applied or an error occurs, the `options.complete(err)` callback is made. + +* `Diff.parsePatch(diffStr)` - Parses a patch into structured data + + Return a JSON object representation of the a patch, suitable for use with the `applyPatch` method. This parses to the same structure returned by `Diff.structuredPatch`. + +* `convertChangesToXML(changes)` - converts a list of changes to a serialized XML format + + +All methods above which accept the optional `callback` method will run in sync mode when that parameter is omitted and in async mode when supplied. This allows for larger diffs without blocking the event loop. This may be passed either directly as the final parameter or as the `callback` field in the `options` object. + +### Change Objects +Many of the methods above return change objects. These objects consist of the following fields: + +* `value`: Text content +* `added`: True if the value was inserted into the new string +* `removed`: True if the value was removed from the old string + +Note that some cases may omit a particular flag field. Comparison on the flag fields should always be done in a truthy or falsy manner. + +## Examples + +Basic example in Node + +```js +require('colors'); +const Diff = require('diff'); + +const one = 'beep boop'; +const other = 'beep boob blah'; + +const diff = Diff.diffChars(one, other); + +diff.forEach((part) => { + // green for additions, red for deletions + // grey for common parts + const color = part.added ? 'green' : + part.removed ? 'red' : 'grey'; + process.stderr.write(part.value[color]); +}); + +console.log(); +``` +Running the above program should yield + +Node Example + +Basic example in a web page + +```html +

+
+
+```
+
+Open the above .html file in a browser and you should see
+
+Node Example
+
+**[Full online demo](http://kpdecker.github.com/jsdiff)**
+
+## Compatibility
+
+[![Sauce Test Status](https://saucelabs.com/browser-matrix/jsdiff.svg)](https://saucelabs.com/u/jsdiff)
+
+jsdiff supports all ES3 environments with some known issues on IE8 and below. Under these browsers some diff algorithms such as word diff and others may fail due to lack of support for capturing groups in the `split` operation.
+
+## License
+
+See [LICENSE](https://github.com/kpdecker/jsdiff/blob/master/LICENSE).
diff --git a/node_modules/libnpmdiff/node_modules/diff/dist/diff.js b/node_modules/libnpmdiff/node_modules/diff/dist/diff.js
new file mode 100644
index 0000000000000..bba91954f4b23
--- /dev/null
+++ b/node_modules/libnpmdiff/node_modules/diff/dist/diff.js
@@ -0,0 +1,1582 @@
+(function (global, factory) {
+  typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
+  typeof define === 'function' && define.amd ? define(['exports'], factory) :
+  (global = global || self, factory(global.Diff = {}));
+}(this, (function (exports) { 'use strict';
+
+  function Diff() {}
+  Diff.prototype = {
+    diff: function diff(oldString, newString) {
+      var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+      var callback = options.callback;
+
+      if (typeof options === 'function') {
+        callback = options;
+        options = {};
+      }
+
+      this.options = options;
+      var self = this;
+
+      function done(value) {
+        if (callback) {
+          setTimeout(function () {
+            callback(undefined, value);
+          }, 0);
+          return true;
+        } else {
+          return value;
+        }
+      } // Allow subclasses to massage the input prior to running
+
+
+      oldString = this.castInput(oldString);
+      newString = this.castInput(newString);
+      oldString = this.removeEmpty(this.tokenize(oldString));
+      newString = this.removeEmpty(this.tokenize(newString));
+      var newLen = newString.length,
+          oldLen = oldString.length;
+      var editLength = 1;
+      var maxEditLength = newLen + oldLen;
+      var bestPath = [{
+        newPos: -1,
+        components: []
+      }]; // Seed editLength = 0, i.e. the content starts with the same values
+
+      var oldPos = this.extractCommon(bestPath[0], newString, oldString, 0);
+
+      if (bestPath[0].newPos + 1 >= newLen && oldPos + 1 >= oldLen) {
+        // Identity per the equality and tokenizer
+        return done([{
+          value: this.join(newString),
+          count: newString.length
+        }]);
+      } // Main worker method. checks all permutations of a given edit length for acceptance.
+
+
+      function execEditLength() {
+        for (var diagonalPath = -1 * editLength; diagonalPath <= editLength; diagonalPath += 2) {
+          var basePath = void 0;
+
+          var addPath = bestPath[diagonalPath - 1],
+              removePath = bestPath[diagonalPath + 1],
+              _oldPos = (removePath ? removePath.newPos : 0) - diagonalPath;
+
+          if (addPath) {
+            // No one else is going to attempt to use this value, clear it
+            bestPath[diagonalPath - 1] = undefined;
+          }
+
+          var canAdd = addPath && addPath.newPos + 1 < newLen,
+              canRemove = removePath && 0 <= _oldPos && _oldPos < oldLen;
+
+          if (!canAdd && !canRemove) {
+            // If this path is a terminal then prune
+            bestPath[diagonalPath] = undefined;
+            continue;
+          } // Select the diagonal that we want to branch from. We select the prior
+          // path whose position in the new string is the farthest from the origin
+          // and does not pass the bounds of the diff graph
+
+
+          if (!canAdd || canRemove && addPath.newPos < removePath.newPos) {
+            basePath = clonePath(removePath);
+            self.pushComponent(basePath.components, undefined, true);
+          } else {
+            basePath = addPath; // No need to clone, we've pulled it from the list
+
+            basePath.newPos++;
+            self.pushComponent(basePath.components, true, undefined);
+          }
+
+          _oldPos = self.extractCommon(basePath, newString, oldString, diagonalPath); // If we have hit the end of both strings, then we are done
+
+          if (basePath.newPos + 1 >= newLen && _oldPos + 1 >= oldLen) {
+            return done(buildValues(self, basePath.components, newString, oldString, self.useLongestToken));
+          } else {
+            // Otherwise track this path as a potential candidate and continue.
+            bestPath[diagonalPath] = basePath;
+          }
+        }
+
+        editLength++;
+      } // Performs the length of edit iteration. Is a bit fugly as this has to support the
+      // sync and async mode which is never fun. Loops over execEditLength until a value
+      // is produced.
+
+
+      if (callback) {
+        (function exec() {
+          setTimeout(function () {
+            // This should not happen, but we want to be safe.
+
+            /* istanbul ignore next */
+            if (editLength > maxEditLength) {
+              return callback();
+            }
+
+            if (!execEditLength()) {
+              exec();
+            }
+          }, 0);
+        })();
+      } else {
+        while (editLength <= maxEditLength) {
+          var ret = execEditLength();
+
+          if (ret) {
+            return ret;
+          }
+        }
+      }
+    },
+    pushComponent: function pushComponent(components, added, removed) {
+      var last = components[components.length - 1];
+
+      if (last && last.added === added && last.removed === removed) {
+        // We need to clone here as the component clone operation is just
+        // as shallow array clone
+        components[components.length - 1] = {
+          count: last.count + 1,
+          added: added,
+          removed: removed
+        };
+      } else {
+        components.push({
+          count: 1,
+          added: added,
+          removed: removed
+        });
+      }
+    },
+    extractCommon: function extractCommon(basePath, newString, oldString, diagonalPath) {
+      var newLen = newString.length,
+          oldLen = oldString.length,
+          newPos = basePath.newPos,
+          oldPos = newPos - diagonalPath,
+          commonCount = 0;
+
+      while (newPos + 1 < newLen && oldPos + 1 < oldLen && this.equals(newString[newPos + 1], oldString[oldPos + 1])) {
+        newPos++;
+        oldPos++;
+        commonCount++;
+      }
+
+      if (commonCount) {
+        basePath.components.push({
+          count: commonCount
+        });
+      }
+
+      basePath.newPos = newPos;
+      return oldPos;
+    },
+    equals: function equals(left, right) {
+      if (this.options.comparator) {
+        return this.options.comparator(left, right);
+      } else {
+        return left === right || this.options.ignoreCase && left.toLowerCase() === right.toLowerCase();
+      }
+    },
+    removeEmpty: function removeEmpty(array) {
+      var ret = [];
+
+      for (var i = 0; i < array.length; i++) {
+        if (array[i]) {
+          ret.push(array[i]);
+        }
+      }
+
+      return ret;
+    },
+    castInput: function castInput(value) {
+      return value;
+    },
+    tokenize: function tokenize(value) {
+      return value.split('');
+    },
+    join: function join(chars) {
+      return chars.join('');
+    }
+  };
+
+  function buildValues(diff, components, newString, oldString, useLongestToken) {
+    var componentPos = 0,
+        componentLen = components.length,
+        newPos = 0,
+        oldPos = 0;
+
+    for (; componentPos < componentLen; componentPos++) {
+      var component = components[componentPos];
+
+      if (!component.removed) {
+        if (!component.added && useLongestToken) {
+          var value = newString.slice(newPos, newPos + component.count);
+          value = value.map(function (value, i) {
+            var oldValue = oldString[oldPos + i];
+            return oldValue.length > value.length ? oldValue : value;
+          });
+          component.value = diff.join(value);
+        } else {
+          component.value = diff.join(newString.slice(newPos, newPos + component.count));
+        }
+
+        newPos += component.count; // Common case
+
+        if (!component.added) {
+          oldPos += component.count;
+        }
+      } else {
+        component.value = diff.join(oldString.slice(oldPos, oldPos + component.count));
+        oldPos += component.count; // Reverse add and remove so removes are output first to match common convention
+        // The diffing algorithm is tied to add then remove output and this is the simplest
+        // route to get the desired output with minimal overhead.
+
+        if (componentPos && components[componentPos - 1].added) {
+          var tmp = components[componentPos - 1];
+          components[componentPos - 1] = components[componentPos];
+          components[componentPos] = tmp;
+        }
+      }
+    } // Special case handle for when one terminal is ignored (i.e. whitespace).
+    // For this case we merge the terminal into the prior string and drop the change.
+    // This is only available for string mode.
+
+
+    var lastComponent = components[componentLen - 1];
+
+    if (componentLen > 1 && typeof lastComponent.value === 'string' && (lastComponent.added || lastComponent.removed) && diff.equals('', lastComponent.value)) {
+      components[componentLen - 2].value += lastComponent.value;
+      components.pop();
+    }
+
+    return components;
+  }
+
+  function clonePath(path) {
+    return {
+      newPos: path.newPos,
+      components: path.components.slice(0)
+    };
+  }
+
+  var characterDiff = new Diff();
+  function diffChars(oldStr, newStr, options) {
+    return characterDiff.diff(oldStr, newStr, options);
+  }
+
+  function generateOptions(options, defaults) {
+    if (typeof options === 'function') {
+      defaults.callback = options;
+    } else if (options) {
+      for (var name in options) {
+        /* istanbul ignore else */
+        if (options.hasOwnProperty(name)) {
+          defaults[name] = options[name];
+        }
+      }
+    }
+
+    return defaults;
+  }
+
+  //
+  // Ranges and exceptions:
+  // Latin-1 Supplement, 0080–00FF
+  //  - U+00D7  × Multiplication sign
+  //  - U+00F7  ÷ Division sign
+  // Latin Extended-A, 0100–017F
+  // Latin Extended-B, 0180–024F
+  // IPA Extensions, 0250–02AF
+  // Spacing Modifier Letters, 02B0–02FF
+  //  - U+02C7  ˇ ˇ  Caron
+  //  - U+02D8  ˘ ˘  Breve
+  //  - U+02D9  ˙ ˙  Dot Above
+  //  - U+02DA  ˚ ˚  Ring Above
+  //  - U+02DB  ˛ ˛  Ogonek
+  //  - U+02DC  ˜ ˜  Small Tilde
+  //  - U+02DD  ˝ ˝  Double Acute Accent
+  // Latin Extended Additional, 1E00–1EFF
+
+  var extendedWordChars = /^[A-Za-z\xC0-\u02C6\u02C8-\u02D7\u02DE-\u02FF\u1E00-\u1EFF]+$/;
+  var reWhitespace = /\S/;
+  var wordDiff = new Diff();
+
+  wordDiff.equals = function (left, right) {
+    if (this.options.ignoreCase) {
+      left = left.toLowerCase();
+      right = right.toLowerCase();
+    }
+
+    return left === right || this.options.ignoreWhitespace && !reWhitespace.test(left) && !reWhitespace.test(right);
+  };
+
+  wordDiff.tokenize = function (value) {
+    // All whitespace symbols except newline group into one token, each newline - in separate token
+    var tokens = value.split(/([^\S\r\n]+|[()[\]{}'"\r\n]|\b)/); // Join the boundary splits that we do not consider to be boundaries. This is primarily the extended Latin character set.
+
+    for (var i = 0; i < tokens.length - 1; i++) {
+      // If we have an empty string in the next field and we have only word chars before and after, merge
+      if (!tokens[i + 1] && tokens[i + 2] && extendedWordChars.test(tokens[i]) && extendedWordChars.test(tokens[i + 2])) {
+        tokens[i] += tokens[i + 2];
+        tokens.splice(i + 1, 2);
+        i--;
+      }
+    }
+
+    return tokens;
+  };
+
+  function diffWords(oldStr, newStr, options) {
+    options = generateOptions(options, {
+      ignoreWhitespace: true
+    });
+    return wordDiff.diff(oldStr, newStr, options);
+  }
+  function diffWordsWithSpace(oldStr, newStr, options) {
+    return wordDiff.diff(oldStr, newStr, options);
+  }
+
+  var lineDiff = new Diff();
+
+  lineDiff.tokenize = function (value) {
+    var retLines = [],
+        linesAndNewlines = value.split(/(\n|\r\n)/); // Ignore the final empty token that occurs if the string ends with a new line
+
+    if (!linesAndNewlines[linesAndNewlines.length - 1]) {
+      linesAndNewlines.pop();
+    } // Merge the content and line separators into single tokens
+
+
+    for (var i = 0; i < linesAndNewlines.length; i++) {
+      var line = linesAndNewlines[i];
+
+      if (i % 2 && !this.options.newlineIsToken) {
+        retLines[retLines.length - 1] += line;
+      } else {
+        if (this.options.ignoreWhitespace) {
+          line = line.trim();
+        }
+
+        retLines.push(line);
+      }
+    }
+
+    return retLines;
+  };
+
+  function diffLines(oldStr, newStr, callback) {
+    return lineDiff.diff(oldStr, newStr, callback);
+  }
+  function diffTrimmedLines(oldStr, newStr, callback) {
+    var options = generateOptions(callback, {
+      ignoreWhitespace: true
+    });
+    return lineDiff.diff(oldStr, newStr, options);
+  }
+
+  var sentenceDiff = new Diff();
+
+  sentenceDiff.tokenize = function (value) {
+    return value.split(/(\S.+?[.!?])(?=\s+|$)/);
+  };
+
+  function diffSentences(oldStr, newStr, callback) {
+    return sentenceDiff.diff(oldStr, newStr, callback);
+  }
+
+  var cssDiff = new Diff();
+
+  cssDiff.tokenize = function (value) {
+    return value.split(/([{}:;,]|\s+)/);
+  };
+
+  function diffCss(oldStr, newStr, callback) {
+    return cssDiff.diff(oldStr, newStr, callback);
+  }
+
+  function _typeof(obj) {
+    "@babel/helpers - typeof";
+
+    if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
+      _typeof = function (obj) {
+        return typeof obj;
+      };
+    } else {
+      _typeof = function (obj) {
+        return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
+      };
+    }
+
+    return _typeof(obj);
+  }
+
+  function _toConsumableArray(arr) {
+    return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread();
+  }
+
+  function _arrayWithoutHoles(arr) {
+    if (Array.isArray(arr)) return _arrayLikeToArray(arr);
+  }
+
+  function _iterableToArray(iter) {
+    if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter);
+  }
+
+  function _unsupportedIterableToArray(o, minLen) {
+    if (!o) return;
+    if (typeof o === "string") return _arrayLikeToArray(o, minLen);
+    var n = Object.prototype.toString.call(o).slice(8, -1);
+    if (n === "Object" && o.constructor) n = o.constructor.name;
+    if (n === "Map" || n === "Set") return Array.from(o);
+    if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);
+  }
+
+  function _arrayLikeToArray(arr, len) {
+    if (len == null || len > arr.length) len = arr.length;
+
+    for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];
+
+    return arr2;
+  }
+
+  function _nonIterableSpread() {
+    throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
+  }
+
+  var objectPrototypeToString = Object.prototype.toString;
+  var jsonDiff = new Diff(); // Discriminate between two lines of pretty-printed, serialized JSON where one of them has a
+  // dangling comma and the other doesn't. Turns out including the dangling comma yields the nicest output:
+
+  jsonDiff.useLongestToken = true;
+  jsonDiff.tokenize = lineDiff.tokenize;
+
+  jsonDiff.castInput = function (value) {
+    var _this$options = this.options,
+        undefinedReplacement = _this$options.undefinedReplacement,
+        _this$options$stringi = _this$options.stringifyReplacer,
+        stringifyReplacer = _this$options$stringi === void 0 ? function (k, v) {
+      return typeof v === 'undefined' ? undefinedReplacement : v;
+    } : _this$options$stringi;
+    return typeof value === 'string' ? value : JSON.stringify(canonicalize(value, null, null, stringifyReplacer), stringifyReplacer, '  ');
+  };
+
+  jsonDiff.equals = function (left, right) {
+    return Diff.prototype.equals.call(jsonDiff, left.replace(/,([\r\n])/g, '$1'), right.replace(/,([\r\n])/g, '$1'));
+  };
+
+  function diffJson(oldObj, newObj, options) {
+    return jsonDiff.diff(oldObj, newObj, options);
+  } // This function handles the presence of circular references by bailing out when encountering an
+  // object that is already on the "stack" of items being processed. Accepts an optional replacer
+
+  function canonicalize(obj, stack, replacementStack, replacer, key) {
+    stack = stack || [];
+    replacementStack = replacementStack || [];
+
+    if (replacer) {
+      obj = replacer(key, obj);
+    }
+
+    var i;
+
+    for (i = 0; i < stack.length; i += 1) {
+      if (stack[i] === obj) {
+        return replacementStack[i];
+      }
+    }
+
+    var canonicalizedObj;
+
+    if ('[object Array]' === objectPrototypeToString.call(obj)) {
+      stack.push(obj);
+      canonicalizedObj = new Array(obj.length);
+      replacementStack.push(canonicalizedObj);
+
+      for (i = 0; i < obj.length; i += 1) {
+        canonicalizedObj[i] = canonicalize(obj[i], stack, replacementStack, replacer, key);
+      }
+
+      stack.pop();
+      replacementStack.pop();
+      return canonicalizedObj;
+    }
+
+    if (obj && obj.toJSON) {
+      obj = obj.toJSON();
+    }
+
+    if (_typeof(obj) === 'object' && obj !== null) {
+      stack.push(obj);
+      canonicalizedObj = {};
+      replacementStack.push(canonicalizedObj);
+
+      var sortedKeys = [],
+          _key;
+
+      for (_key in obj) {
+        /* istanbul ignore else */
+        if (obj.hasOwnProperty(_key)) {
+          sortedKeys.push(_key);
+        }
+      }
+
+      sortedKeys.sort();
+
+      for (i = 0; i < sortedKeys.length; i += 1) {
+        _key = sortedKeys[i];
+        canonicalizedObj[_key] = canonicalize(obj[_key], stack, replacementStack, replacer, _key);
+      }
+
+      stack.pop();
+      replacementStack.pop();
+    } else {
+      canonicalizedObj = obj;
+    }
+
+    return canonicalizedObj;
+  }
+
+  var arrayDiff = new Diff();
+
+  arrayDiff.tokenize = function (value) {
+    return value.slice();
+  };
+
+  arrayDiff.join = arrayDiff.removeEmpty = function (value) {
+    return value;
+  };
+
+  function diffArrays(oldArr, newArr, callback) {
+    return arrayDiff.diff(oldArr, newArr, callback);
+  }
+
+  function parsePatch(uniDiff) {
+    var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+    var diffstr = uniDiff.split(/\r\n|[\n\v\f\r\x85]/),
+        delimiters = uniDiff.match(/\r\n|[\n\v\f\r\x85]/g) || [],
+        list = [],
+        i = 0;
+
+    function parseIndex() {
+      var index = {};
+      list.push(index); // Parse diff metadata
+
+      while (i < diffstr.length) {
+        var line = diffstr[i]; // File header found, end parsing diff metadata
+
+        if (/^(\-\-\-|\+\+\+|@@)\s/.test(line)) {
+          break;
+        } // Diff index
+
+
+        var header = /^(?:Index:|diff(?: -r \w+)+)\s+(.+?)\s*$/.exec(line);
+
+        if (header) {
+          index.index = header[1];
+        }
+
+        i++;
+      } // Parse file headers if they are defined. Unified diff requires them, but
+      // there's no technical issues to have an isolated hunk without file header
+
+
+      parseFileHeader(index);
+      parseFileHeader(index); // Parse hunks
+
+      index.hunks = [];
+
+      while (i < diffstr.length) {
+        var _line = diffstr[i];
+
+        if (/^(Index:|diff|\-\-\-|\+\+\+)\s/.test(_line)) {
+          break;
+        } else if (/^@@/.test(_line)) {
+          index.hunks.push(parseHunk());
+        } else if (_line && options.strict) {
+          // Ignore unexpected content unless in strict mode
+          throw new Error('Unknown line ' + (i + 1) + ' ' + JSON.stringify(_line));
+        } else {
+          i++;
+        }
+      }
+    } // Parses the --- and +++ headers, if none are found, no lines
+    // are consumed.
+
+
+    function parseFileHeader(index) {
+      var fileHeader = /^(---|\+\+\+)\s+(.*)$/.exec(diffstr[i]);
+
+      if (fileHeader) {
+        var keyPrefix = fileHeader[1] === '---' ? 'old' : 'new';
+        var data = fileHeader[2].split('\t', 2);
+        var fileName = data[0].replace(/\\\\/g, '\\');
+
+        if (/^".*"$/.test(fileName)) {
+          fileName = fileName.substr(1, fileName.length - 2);
+        }
+
+        index[keyPrefix + 'FileName'] = fileName;
+        index[keyPrefix + 'Header'] = (data[1] || '').trim();
+        i++;
+      }
+    } // Parses a hunk
+    // This assumes that we are at the start of a hunk.
+
+
+    function parseHunk() {
+      var chunkHeaderIndex = i,
+          chunkHeaderLine = diffstr[i++],
+          chunkHeader = chunkHeaderLine.split(/@@ -(\d+)(?:,(\d+))? \+(\d+)(?:,(\d+))? @@/);
+      var hunk = {
+        oldStart: +chunkHeader[1],
+        oldLines: typeof chunkHeader[2] === 'undefined' ? 1 : +chunkHeader[2],
+        newStart: +chunkHeader[3],
+        newLines: typeof chunkHeader[4] === 'undefined' ? 1 : +chunkHeader[4],
+        lines: [],
+        linedelimiters: []
+      }; // Unified Diff Format quirk: If the chunk size is 0,
+      // the first number is one lower than one would expect.
+      // https://www.artima.com/weblogs/viewpost.jsp?thread=164293
+
+      if (hunk.oldLines === 0) {
+        hunk.oldStart += 1;
+      }
+
+      if (hunk.newLines === 0) {
+        hunk.newStart += 1;
+      }
+
+      var addCount = 0,
+          removeCount = 0;
+
+      for (; i < diffstr.length; i++) {
+        // Lines starting with '---' could be mistaken for the "remove line" operation
+        // But they could be the header for the next file. Therefore prune such cases out.
+        if (diffstr[i].indexOf('--- ') === 0 && i + 2 < diffstr.length && diffstr[i + 1].indexOf('+++ ') === 0 && diffstr[i + 2].indexOf('@@') === 0) {
+          break;
+        }
+
+        var operation = diffstr[i].length == 0 && i != diffstr.length - 1 ? ' ' : diffstr[i][0];
+
+        if (operation === '+' || operation === '-' || operation === ' ' || operation === '\\') {
+          hunk.lines.push(diffstr[i]);
+          hunk.linedelimiters.push(delimiters[i] || '\n');
+
+          if (operation === '+') {
+            addCount++;
+          } else if (operation === '-') {
+            removeCount++;
+          } else if (operation === ' ') {
+            addCount++;
+            removeCount++;
+          }
+        } else {
+          break;
+        }
+      } // Handle the empty block count case
+
+
+      if (!addCount && hunk.newLines === 1) {
+        hunk.newLines = 0;
+      }
+
+      if (!removeCount && hunk.oldLines === 1) {
+        hunk.oldLines = 0;
+      } // Perform optional sanity checking
+
+
+      if (options.strict) {
+        if (addCount !== hunk.newLines) {
+          throw new Error('Added line count did not match for hunk at line ' + (chunkHeaderIndex + 1));
+        }
+
+        if (removeCount !== hunk.oldLines) {
+          throw new Error('Removed line count did not match for hunk at line ' + (chunkHeaderIndex + 1));
+        }
+      }
+
+      return hunk;
+    }
+
+    while (i < diffstr.length) {
+      parseIndex();
+    }
+
+    return list;
+  }
+
+  // Iterator that traverses in the range of [min, max], stepping
+  // by distance from a given start position. I.e. for [0, 4], with
+  // start of 2, this will iterate 2, 3, 1, 4, 0.
+  function distanceIterator (start, minLine, maxLine) {
+    var wantForward = true,
+        backwardExhausted = false,
+        forwardExhausted = false,
+        localOffset = 1;
+    return function iterator() {
+      if (wantForward && !forwardExhausted) {
+        if (backwardExhausted) {
+          localOffset++;
+        } else {
+          wantForward = false;
+        } // Check if trying to fit beyond text length, and if not, check it fits
+        // after offset location (or desired location on first iteration)
+
+
+        if (start + localOffset <= maxLine) {
+          return localOffset;
+        }
+
+        forwardExhausted = true;
+      }
+
+      if (!backwardExhausted) {
+        if (!forwardExhausted) {
+          wantForward = true;
+        } // Check if trying to fit before text beginning, and if not, check it fits
+        // before offset location
+
+
+        if (minLine <= start - localOffset) {
+          return -localOffset++;
+        }
+
+        backwardExhausted = true;
+        return iterator();
+      } // We tried to fit hunk before text beginning and beyond text length, then
+      // hunk can't fit on the text. Return undefined
+
+    };
+  }
+
+  function applyPatch(source, uniDiff) {
+    var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+
+    if (typeof uniDiff === 'string') {
+      uniDiff = parsePatch(uniDiff);
+    }
+
+    if (Array.isArray(uniDiff)) {
+      if (uniDiff.length > 1) {
+        throw new Error('applyPatch only works with a single input.');
+      }
+
+      uniDiff = uniDiff[0];
+    } // Apply the diff to the input
+
+
+    var lines = source.split(/\r\n|[\n\v\f\r\x85]/),
+        delimiters = source.match(/\r\n|[\n\v\f\r\x85]/g) || [],
+        hunks = uniDiff.hunks,
+        compareLine = options.compareLine || function (lineNumber, line, operation, patchContent) {
+      return line === patchContent;
+    },
+        errorCount = 0,
+        fuzzFactor = options.fuzzFactor || 0,
+        minLine = 0,
+        offset = 0,
+        removeEOFNL,
+        addEOFNL;
+    /**
+     * Checks if the hunk exactly fits on the provided location
+     */
+
+
+    function hunkFits(hunk, toPos) {
+      for (var j = 0; j < hunk.lines.length; j++) {
+        var line = hunk.lines[j],
+            operation = line.length > 0 ? line[0] : ' ',
+            content = line.length > 0 ? line.substr(1) : line;
+
+        if (operation === ' ' || operation === '-') {
+          // Context sanity check
+          if (!compareLine(toPos + 1, lines[toPos], operation, content)) {
+            errorCount++;
+
+            if (errorCount > fuzzFactor) {
+              return false;
+            }
+          }
+
+          toPos++;
+        }
+      }
+
+      return true;
+    } // Search best fit offsets for each hunk based on the previous ones
+
+
+    for (var i = 0; i < hunks.length; i++) {
+      var hunk = hunks[i],
+          maxLine = lines.length - hunk.oldLines,
+          localOffset = 0,
+          toPos = offset + hunk.oldStart - 1;
+      var iterator = distanceIterator(toPos, minLine, maxLine);
+
+      for (; localOffset !== undefined; localOffset = iterator()) {
+        if (hunkFits(hunk, toPos + localOffset)) {
+          hunk.offset = offset += localOffset;
+          break;
+        }
+      }
+
+      if (localOffset === undefined) {
+        return false;
+      } // Set lower text limit to end of the current hunk, so next ones don't try
+      // to fit over already patched text
+
+
+      minLine = hunk.offset + hunk.oldStart + hunk.oldLines;
+    } // Apply patch hunks
+
+
+    var diffOffset = 0;
+
+    for (var _i = 0; _i < hunks.length; _i++) {
+      var _hunk = hunks[_i],
+          _toPos = _hunk.oldStart + _hunk.offset + diffOffset - 1;
+
+      diffOffset += _hunk.newLines - _hunk.oldLines;
+
+      for (var j = 0; j < _hunk.lines.length; j++) {
+        var line = _hunk.lines[j],
+            operation = line.length > 0 ? line[0] : ' ',
+            content = line.length > 0 ? line.substr(1) : line,
+            delimiter = _hunk.linedelimiters[j];
+
+        if (operation === ' ') {
+          _toPos++;
+        } else if (operation === '-') {
+          lines.splice(_toPos, 1);
+          delimiters.splice(_toPos, 1);
+          /* istanbul ignore else */
+        } else if (operation === '+') {
+          lines.splice(_toPos, 0, content);
+          delimiters.splice(_toPos, 0, delimiter);
+          _toPos++;
+        } else if (operation === '\\') {
+          var previousOperation = _hunk.lines[j - 1] ? _hunk.lines[j - 1][0] : null;
+
+          if (previousOperation === '+') {
+            removeEOFNL = true;
+          } else if (previousOperation === '-') {
+            addEOFNL = true;
+          }
+        }
+      }
+    } // Handle EOFNL insertion/removal
+
+
+    if (removeEOFNL) {
+      while (!lines[lines.length - 1]) {
+        lines.pop();
+        delimiters.pop();
+      }
+    } else if (addEOFNL) {
+      lines.push('');
+      delimiters.push('\n');
+    }
+
+    for (var _k = 0; _k < lines.length - 1; _k++) {
+      lines[_k] = lines[_k] + delimiters[_k];
+    }
+
+    return lines.join('');
+  } // Wrapper that supports multiple file patches via callbacks.
+
+  function applyPatches(uniDiff, options) {
+    if (typeof uniDiff === 'string') {
+      uniDiff = parsePatch(uniDiff);
+    }
+
+    var currentIndex = 0;
+
+    function processIndex() {
+      var index = uniDiff[currentIndex++];
+
+      if (!index) {
+        return options.complete();
+      }
+
+      options.loadFile(index, function (err, data) {
+        if (err) {
+          return options.complete(err);
+        }
+
+        var updatedContent = applyPatch(data, index, options);
+        options.patched(index, updatedContent, function (err) {
+          if (err) {
+            return options.complete(err);
+          }
+
+          processIndex();
+        });
+      });
+    }
+
+    processIndex();
+  }
+
+  function structuredPatch(oldFileName, newFileName, oldStr, newStr, oldHeader, newHeader, options) {
+    if (!options) {
+      options = {};
+    }
+
+    if (typeof options.context === 'undefined') {
+      options.context = 4;
+    }
+
+    var diff = diffLines(oldStr, newStr, options);
+    diff.push({
+      value: '',
+      lines: []
+    }); // Append an empty value to make cleanup easier
+
+    function contextLines(lines) {
+      return lines.map(function (entry) {
+        return ' ' + entry;
+      });
+    }
+
+    var hunks = [];
+    var oldRangeStart = 0,
+        newRangeStart = 0,
+        curRange = [],
+        oldLine = 1,
+        newLine = 1;
+
+    var _loop = function _loop(i) {
+      var current = diff[i],
+          lines = current.lines || current.value.replace(/\n$/, '').split('\n');
+      current.lines = lines;
+
+      if (current.added || current.removed) {
+        var _curRange;
+
+        // If we have previous context, start with that
+        if (!oldRangeStart) {
+          var prev = diff[i - 1];
+          oldRangeStart = oldLine;
+          newRangeStart = newLine;
+
+          if (prev) {
+            curRange = options.context > 0 ? contextLines(prev.lines.slice(-options.context)) : [];
+            oldRangeStart -= curRange.length;
+            newRangeStart -= curRange.length;
+          }
+        } // Output our changes
+
+
+        (_curRange = curRange).push.apply(_curRange, _toConsumableArray(lines.map(function (entry) {
+          return (current.added ? '+' : '-') + entry;
+        }))); // Track the updated file position
+
+
+        if (current.added) {
+          newLine += lines.length;
+        } else {
+          oldLine += lines.length;
+        }
+      } else {
+        // Identical context lines. Track line changes
+        if (oldRangeStart) {
+          // Close out any changes that have been output (or join overlapping)
+          if (lines.length <= options.context * 2 && i < diff.length - 2) {
+            var _curRange2;
+
+            // Overlapping
+            (_curRange2 = curRange).push.apply(_curRange2, _toConsumableArray(contextLines(lines)));
+          } else {
+            var _curRange3;
+
+            // end the range and output
+            var contextSize = Math.min(lines.length, options.context);
+
+            (_curRange3 = curRange).push.apply(_curRange3, _toConsumableArray(contextLines(lines.slice(0, contextSize))));
+
+            var hunk = {
+              oldStart: oldRangeStart,
+              oldLines: oldLine - oldRangeStart + contextSize,
+              newStart: newRangeStart,
+              newLines: newLine - newRangeStart + contextSize,
+              lines: curRange
+            };
+
+            if (i >= diff.length - 2 && lines.length <= options.context) {
+              // EOF is inside this hunk
+              var oldEOFNewline = /\n$/.test(oldStr);
+              var newEOFNewline = /\n$/.test(newStr);
+              var noNlBeforeAdds = lines.length == 0 && curRange.length > hunk.oldLines;
+
+              if (!oldEOFNewline && noNlBeforeAdds && oldStr.length > 0) {
+                // special case: old has no eol and no trailing context; no-nl can end up before adds
+                // however, if the old file is empty, do not output the no-nl line
+                curRange.splice(hunk.oldLines, 0, '\\ No newline at end of file');
+              }
+
+              if (!oldEOFNewline && !noNlBeforeAdds || !newEOFNewline) {
+                curRange.push('\\ No newline at end of file');
+              }
+            }
+
+            hunks.push(hunk);
+            oldRangeStart = 0;
+            newRangeStart = 0;
+            curRange = [];
+          }
+        }
+
+        oldLine += lines.length;
+        newLine += lines.length;
+      }
+    };
+
+    for (var i = 0; i < diff.length; i++) {
+      _loop(i);
+    }
+
+    return {
+      oldFileName: oldFileName,
+      newFileName: newFileName,
+      oldHeader: oldHeader,
+      newHeader: newHeader,
+      hunks: hunks
+    };
+  }
+  function formatPatch(diff) {
+    var ret = [];
+
+    if (diff.oldFileName == diff.newFileName) {
+      ret.push('Index: ' + diff.oldFileName);
+    }
+
+    ret.push('===================================================================');
+    ret.push('--- ' + diff.oldFileName + (typeof diff.oldHeader === 'undefined' ? '' : '\t' + diff.oldHeader));
+    ret.push('+++ ' + diff.newFileName + (typeof diff.newHeader === 'undefined' ? '' : '\t' + diff.newHeader));
+
+    for (var i = 0; i < diff.hunks.length; i++) {
+      var hunk = diff.hunks[i]; // Unified Diff Format quirk: If the chunk size is 0,
+      // the first number is one lower than one would expect.
+      // https://www.artima.com/weblogs/viewpost.jsp?thread=164293
+
+      if (hunk.oldLines === 0) {
+        hunk.oldStart -= 1;
+      }
+
+      if (hunk.newLines === 0) {
+        hunk.newStart -= 1;
+      }
+
+      ret.push('@@ -' + hunk.oldStart + ',' + hunk.oldLines + ' +' + hunk.newStart + ',' + hunk.newLines + ' @@');
+      ret.push.apply(ret, hunk.lines);
+    }
+
+    return ret.join('\n') + '\n';
+  }
+  function createTwoFilesPatch(oldFileName, newFileName, oldStr, newStr, oldHeader, newHeader, options) {
+    return formatPatch(structuredPatch(oldFileName, newFileName, oldStr, newStr, oldHeader, newHeader, options));
+  }
+  function createPatch(fileName, oldStr, newStr, oldHeader, newHeader, options) {
+    return createTwoFilesPatch(fileName, fileName, oldStr, newStr, oldHeader, newHeader, options);
+  }
+
+  function arrayEqual(a, b) {
+    if (a.length !== b.length) {
+      return false;
+    }
+
+    return arrayStartsWith(a, b);
+  }
+  function arrayStartsWith(array, start) {
+    if (start.length > array.length) {
+      return false;
+    }
+
+    for (var i = 0; i < start.length; i++) {
+      if (start[i] !== array[i]) {
+        return false;
+      }
+    }
+
+    return true;
+  }
+
+  function calcLineCount(hunk) {
+    var _calcOldNewLineCount = calcOldNewLineCount(hunk.lines),
+        oldLines = _calcOldNewLineCount.oldLines,
+        newLines = _calcOldNewLineCount.newLines;
+
+    if (oldLines !== undefined) {
+      hunk.oldLines = oldLines;
+    } else {
+      delete hunk.oldLines;
+    }
+
+    if (newLines !== undefined) {
+      hunk.newLines = newLines;
+    } else {
+      delete hunk.newLines;
+    }
+  }
+  function merge(mine, theirs, base) {
+    mine = loadPatch(mine, base);
+    theirs = loadPatch(theirs, base);
+    var ret = {}; // For index we just let it pass through as it doesn't have any necessary meaning.
+    // Leaving sanity checks on this to the API consumer that may know more about the
+    // meaning in their own context.
+
+    if (mine.index || theirs.index) {
+      ret.index = mine.index || theirs.index;
+    }
+
+    if (mine.newFileName || theirs.newFileName) {
+      if (!fileNameChanged(mine)) {
+        // No header or no change in ours, use theirs (and ours if theirs does not exist)
+        ret.oldFileName = theirs.oldFileName || mine.oldFileName;
+        ret.newFileName = theirs.newFileName || mine.newFileName;
+        ret.oldHeader = theirs.oldHeader || mine.oldHeader;
+        ret.newHeader = theirs.newHeader || mine.newHeader;
+      } else if (!fileNameChanged(theirs)) {
+        // No header or no change in theirs, use ours
+        ret.oldFileName = mine.oldFileName;
+        ret.newFileName = mine.newFileName;
+        ret.oldHeader = mine.oldHeader;
+        ret.newHeader = mine.newHeader;
+      } else {
+        // Both changed... figure it out
+        ret.oldFileName = selectField(ret, mine.oldFileName, theirs.oldFileName);
+        ret.newFileName = selectField(ret, mine.newFileName, theirs.newFileName);
+        ret.oldHeader = selectField(ret, mine.oldHeader, theirs.oldHeader);
+        ret.newHeader = selectField(ret, mine.newHeader, theirs.newHeader);
+      }
+    }
+
+    ret.hunks = [];
+    var mineIndex = 0,
+        theirsIndex = 0,
+        mineOffset = 0,
+        theirsOffset = 0;
+
+    while (mineIndex < mine.hunks.length || theirsIndex < theirs.hunks.length) {
+      var mineCurrent = mine.hunks[mineIndex] || {
+        oldStart: Infinity
+      },
+          theirsCurrent = theirs.hunks[theirsIndex] || {
+        oldStart: Infinity
+      };
+
+      if (hunkBefore(mineCurrent, theirsCurrent)) {
+        // This patch does not overlap with any of the others, yay.
+        ret.hunks.push(cloneHunk(mineCurrent, mineOffset));
+        mineIndex++;
+        theirsOffset += mineCurrent.newLines - mineCurrent.oldLines;
+      } else if (hunkBefore(theirsCurrent, mineCurrent)) {
+        // This patch does not overlap with any of the others, yay.
+        ret.hunks.push(cloneHunk(theirsCurrent, theirsOffset));
+        theirsIndex++;
+        mineOffset += theirsCurrent.newLines - theirsCurrent.oldLines;
+      } else {
+        // Overlap, merge as best we can
+        var mergedHunk = {
+          oldStart: Math.min(mineCurrent.oldStart, theirsCurrent.oldStart),
+          oldLines: 0,
+          newStart: Math.min(mineCurrent.newStart + mineOffset, theirsCurrent.oldStart + theirsOffset),
+          newLines: 0,
+          lines: []
+        };
+        mergeLines(mergedHunk, mineCurrent.oldStart, mineCurrent.lines, theirsCurrent.oldStart, theirsCurrent.lines);
+        theirsIndex++;
+        mineIndex++;
+        ret.hunks.push(mergedHunk);
+      }
+    }
+
+    return ret;
+  }
+
+  function loadPatch(param, base) {
+    if (typeof param === 'string') {
+      if (/^@@/m.test(param) || /^Index:/m.test(param)) {
+        return parsePatch(param)[0];
+      }
+
+      if (!base) {
+        throw new Error('Must provide a base reference or pass in a patch');
+      }
+
+      return structuredPatch(undefined, undefined, base, param);
+    }
+
+    return param;
+  }
+
+  function fileNameChanged(patch) {
+    return patch.newFileName && patch.newFileName !== patch.oldFileName;
+  }
+
+  function selectField(index, mine, theirs) {
+    if (mine === theirs) {
+      return mine;
+    } else {
+      index.conflict = true;
+      return {
+        mine: mine,
+        theirs: theirs
+      };
+    }
+  }
+
+  function hunkBefore(test, check) {
+    return test.oldStart < check.oldStart && test.oldStart + test.oldLines < check.oldStart;
+  }
+
+  function cloneHunk(hunk, offset) {
+    return {
+      oldStart: hunk.oldStart,
+      oldLines: hunk.oldLines,
+      newStart: hunk.newStart + offset,
+      newLines: hunk.newLines,
+      lines: hunk.lines
+    };
+  }
+
+  function mergeLines(hunk, mineOffset, mineLines, theirOffset, theirLines) {
+    // This will generally result in a conflicted hunk, but there are cases where the context
+    // is the only overlap where we can successfully merge the content here.
+    var mine = {
+      offset: mineOffset,
+      lines: mineLines,
+      index: 0
+    },
+        their = {
+      offset: theirOffset,
+      lines: theirLines,
+      index: 0
+    }; // Handle any leading content
+
+    insertLeading(hunk, mine, their);
+    insertLeading(hunk, their, mine); // Now in the overlap content. Scan through and select the best changes from each.
+
+    while (mine.index < mine.lines.length && their.index < their.lines.length) {
+      var mineCurrent = mine.lines[mine.index],
+          theirCurrent = their.lines[their.index];
+
+      if ((mineCurrent[0] === '-' || mineCurrent[0] === '+') && (theirCurrent[0] === '-' || theirCurrent[0] === '+')) {
+        // Both modified ...
+        mutualChange(hunk, mine, their);
+      } else if (mineCurrent[0] === '+' && theirCurrent[0] === ' ') {
+        var _hunk$lines;
+
+        // Mine inserted
+        (_hunk$lines = hunk.lines).push.apply(_hunk$lines, _toConsumableArray(collectChange(mine)));
+      } else if (theirCurrent[0] === '+' && mineCurrent[0] === ' ') {
+        var _hunk$lines2;
+
+        // Theirs inserted
+        (_hunk$lines2 = hunk.lines).push.apply(_hunk$lines2, _toConsumableArray(collectChange(their)));
+      } else if (mineCurrent[0] === '-' && theirCurrent[0] === ' ') {
+        // Mine removed or edited
+        removal(hunk, mine, their);
+      } else if (theirCurrent[0] === '-' && mineCurrent[0] === ' ') {
+        // Their removed or edited
+        removal(hunk, their, mine, true);
+      } else if (mineCurrent === theirCurrent) {
+        // Context identity
+        hunk.lines.push(mineCurrent);
+        mine.index++;
+        their.index++;
+      } else {
+        // Context mismatch
+        conflict(hunk, collectChange(mine), collectChange(their));
+      }
+    } // Now push anything that may be remaining
+
+
+    insertTrailing(hunk, mine);
+    insertTrailing(hunk, their);
+    calcLineCount(hunk);
+  }
+
+  function mutualChange(hunk, mine, their) {
+    var myChanges = collectChange(mine),
+        theirChanges = collectChange(their);
+
+    if (allRemoves(myChanges) && allRemoves(theirChanges)) {
+      // Special case for remove changes that are supersets of one another
+      if (arrayStartsWith(myChanges, theirChanges) && skipRemoveSuperset(their, myChanges, myChanges.length - theirChanges.length)) {
+        var _hunk$lines3;
+
+        (_hunk$lines3 = hunk.lines).push.apply(_hunk$lines3, _toConsumableArray(myChanges));
+
+        return;
+      } else if (arrayStartsWith(theirChanges, myChanges) && skipRemoveSuperset(mine, theirChanges, theirChanges.length - myChanges.length)) {
+        var _hunk$lines4;
+
+        (_hunk$lines4 = hunk.lines).push.apply(_hunk$lines4, _toConsumableArray(theirChanges));
+
+        return;
+      }
+    } else if (arrayEqual(myChanges, theirChanges)) {
+      var _hunk$lines5;
+
+      (_hunk$lines5 = hunk.lines).push.apply(_hunk$lines5, _toConsumableArray(myChanges));
+
+      return;
+    }
+
+    conflict(hunk, myChanges, theirChanges);
+  }
+
+  function removal(hunk, mine, their, swap) {
+    var myChanges = collectChange(mine),
+        theirChanges = collectContext(their, myChanges);
+
+    if (theirChanges.merged) {
+      var _hunk$lines6;
+
+      (_hunk$lines6 = hunk.lines).push.apply(_hunk$lines6, _toConsumableArray(theirChanges.merged));
+    } else {
+      conflict(hunk, swap ? theirChanges : myChanges, swap ? myChanges : theirChanges);
+    }
+  }
+
+  function conflict(hunk, mine, their) {
+    hunk.conflict = true;
+    hunk.lines.push({
+      conflict: true,
+      mine: mine,
+      theirs: their
+    });
+  }
+
+  function insertLeading(hunk, insert, their) {
+    while (insert.offset < their.offset && insert.index < insert.lines.length) {
+      var line = insert.lines[insert.index++];
+      hunk.lines.push(line);
+      insert.offset++;
+    }
+  }
+
+  function insertTrailing(hunk, insert) {
+    while (insert.index < insert.lines.length) {
+      var line = insert.lines[insert.index++];
+      hunk.lines.push(line);
+    }
+  }
+
+  function collectChange(state) {
+    var ret = [],
+        operation = state.lines[state.index][0];
+
+    while (state.index < state.lines.length) {
+      var line = state.lines[state.index]; // Group additions that are immediately after subtractions and treat them as one "atomic" modify change.
+
+      if (operation === '-' && line[0] === '+') {
+        operation = '+';
+      }
+
+      if (operation === line[0]) {
+        ret.push(line);
+        state.index++;
+      } else {
+        break;
+      }
+    }
+
+    return ret;
+  }
+
+  function collectContext(state, matchChanges) {
+    var changes = [],
+        merged = [],
+        matchIndex = 0,
+        contextChanges = false,
+        conflicted = false;
+
+    while (matchIndex < matchChanges.length && state.index < state.lines.length) {
+      var change = state.lines[state.index],
+          match = matchChanges[matchIndex]; // Once we've hit our add, then we are done
+
+      if (match[0] === '+') {
+        break;
+      }
+
+      contextChanges = contextChanges || change[0] !== ' ';
+      merged.push(match);
+      matchIndex++; // Consume any additions in the other block as a conflict to attempt
+      // to pull in the remaining context after this
+
+      if (change[0] === '+') {
+        conflicted = true;
+
+        while (change[0] === '+') {
+          changes.push(change);
+          change = state.lines[++state.index];
+        }
+      }
+
+      if (match.substr(1) === change.substr(1)) {
+        changes.push(change);
+        state.index++;
+      } else {
+        conflicted = true;
+      }
+    }
+
+    if ((matchChanges[matchIndex] || '')[0] === '+' && contextChanges) {
+      conflicted = true;
+    }
+
+    if (conflicted) {
+      return changes;
+    }
+
+    while (matchIndex < matchChanges.length) {
+      merged.push(matchChanges[matchIndex++]);
+    }
+
+    return {
+      merged: merged,
+      changes: changes
+    };
+  }
+
+  function allRemoves(changes) {
+    return changes.reduce(function (prev, change) {
+      return prev && change[0] === '-';
+    }, true);
+  }
+
+  function skipRemoveSuperset(state, removeChanges, delta) {
+    for (var i = 0; i < delta; i++) {
+      var changeContent = removeChanges[removeChanges.length - delta + i].substr(1);
+
+      if (state.lines[state.index + i] !== ' ' + changeContent) {
+        return false;
+      }
+    }
+
+    state.index += delta;
+    return true;
+  }
+
+  function calcOldNewLineCount(lines) {
+    var oldLines = 0;
+    var newLines = 0;
+    lines.forEach(function (line) {
+      if (typeof line !== 'string') {
+        var myCount = calcOldNewLineCount(line.mine);
+        var theirCount = calcOldNewLineCount(line.theirs);
+
+        if (oldLines !== undefined) {
+          if (myCount.oldLines === theirCount.oldLines) {
+            oldLines += myCount.oldLines;
+          } else {
+            oldLines = undefined;
+          }
+        }
+
+        if (newLines !== undefined) {
+          if (myCount.newLines === theirCount.newLines) {
+            newLines += myCount.newLines;
+          } else {
+            newLines = undefined;
+          }
+        }
+      } else {
+        if (newLines !== undefined && (line[0] === '+' || line[0] === ' ')) {
+          newLines++;
+        }
+
+        if (oldLines !== undefined && (line[0] === '-' || line[0] === ' ')) {
+          oldLines++;
+        }
+      }
+    });
+    return {
+      oldLines: oldLines,
+      newLines: newLines
+    };
+  }
+
+  // See: http://code.google.com/p/google-diff-match-patch/wiki/API
+  function convertChangesToDMP(changes) {
+    var ret = [],
+        change,
+        operation;
+
+    for (var i = 0; i < changes.length; i++) {
+      change = changes[i];
+
+      if (change.added) {
+        operation = 1;
+      } else if (change.removed) {
+        operation = -1;
+      } else {
+        operation = 0;
+      }
+
+      ret.push([operation, change.value]);
+    }
+
+    return ret;
+  }
+
+  function convertChangesToXML(changes) {
+    var ret = [];
+
+    for (var i = 0; i < changes.length; i++) {
+      var change = changes[i];
+
+      if (change.added) {
+        ret.push('');
+      } else if (change.removed) {
+        ret.push('');
+      }
+
+      ret.push(escapeHTML(change.value));
+
+      if (change.added) {
+        ret.push('');
+      } else if (change.removed) {
+        ret.push('');
+      }
+    }
+
+    return ret.join('');
+  }
+
+  function escapeHTML(s) {
+    var n = s;
+    n = n.replace(/&/g, '&');
+    n = n.replace(//g, '>');
+    n = n.replace(/"/g, '"');
+    return n;
+  }
+
+  exports.Diff = Diff;
+  exports.applyPatch = applyPatch;
+  exports.applyPatches = applyPatches;
+  exports.canonicalize = canonicalize;
+  exports.convertChangesToDMP = convertChangesToDMP;
+  exports.convertChangesToXML = convertChangesToXML;
+  exports.createPatch = createPatch;
+  exports.createTwoFilesPatch = createTwoFilesPatch;
+  exports.diffArrays = diffArrays;
+  exports.diffChars = diffChars;
+  exports.diffCss = diffCss;
+  exports.diffJson = diffJson;
+  exports.diffLines = diffLines;
+  exports.diffSentences = diffSentences;
+  exports.diffTrimmedLines = diffTrimmedLines;
+  exports.diffWords = diffWords;
+  exports.diffWordsWithSpace = diffWordsWithSpace;
+  exports.merge = merge;
+  exports.parsePatch = parsePatch;
+  exports.structuredPatch = structuredPatch;
+
+  Object.defineProperty(exports, '__esModule', { value: true });
+
+})));
diff --git a/node_modules/libnpmdiff/node_modules/diff/lib/convert/dmp.js b/node_modules/libnpmdiff/node_modules/diff/lib/convert/dmp.js
new file mode 100644
index 0000000000000..91ff40a9120f7
--- /dev/null
+++ b/node_modules/libnpmdiff/node_modules/diff/lib/convert/dmp.js
@@ -0,0 +1,32 @@
+/*istanbul ignore start*/
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.convertChangesToDMP = convertChangesToDMP;
+
+/*istanbul ignore end*/
+// See: http://code.google.com/p/google-diff-match-patch/wiki/API
+function convertChangesToDMP(changes) {
+  var ret = [],
+      change,
+      operation;
+
+  for (var i = 0; i < changes.length; i++) {
+    change = changes[i];
+
+    if (change.added) {
+      operation = 1;
+    } else if (change.removed) {
+      operation = -1;
+    } else {
+      operation = 0;
+    }
+
+    ret.push([operation, change.value]);
+  }
+
+  return ret;
+}
+//# sourceMappingURL=data:application/json;charset=utf-8;base64,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
diff --git a/node_modules/libnpmdiff/node_modules/diff/lib/convert/xml.js b/node_modules/libnpmdiff/node_modules/diff/lib/convert/xml.js
new file mode 100644
index 0000000000000..69ec60c66c81d
--- /dev/null
+++ b/node_modules/libnpmdiff/node_modules/diff/lib/convert/xml.js
@@ -0,0 +1,42 @@
+/*istanbul ignore start*/
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.convertChangesToXML = convertChangesToXML;
+
+/*istanbul ignore end*/
+function convertChangesToXML(changes) {
+  var ret = [];
+
+  for (var i = 0; i < changes.length; i++) {
+    var change = changes[i];
+
+    if (change.added) {
+      ret.push('');
+    } else if (change.removed) {
+      ret.push('');
+    }
+
+    ret.push(escapeHTML(change.value));
+
+    if (change.added) {
+      ret.push('');
+    } else if (change.removed) {
+      ret.push('');
+    }
+  }
+
+  return ret.join('');
+}
+
+function escapeHTML(s) {
+  var n = s;
+  n = n.replace(/&/g, '&');
+  n = n.replace(//g, '>');
+  n = n.replace(/"/g, '"');
+  return n;
+}
+//# sourceMappingURL=data:application/json;charset=utf-8;base64,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
diff --git a/node_modules/libnpmdiff/node_modules/diff/lib/diff/array.js b/node_modules/libnpmdiff/node_modules/diff/lib/diff/array.js
new file mode 100644
index 0000000000000..19e36809893c1
--- /dev/null
+++ b/node_modules/libnpmdiff/node_modules/diff/lib/diff/array.js
@@ -0,0 +1,45 @@
+/*istanbul ignore start*/
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.diffArrays = diffArrays;
+exports.arrayDiff = void 0;
+
+/*istanbul ignore end*/
+var
+/*istanbul ignore start*/
+_base = _interopRequireDefault(require("./base"))
+/*istanbul ignore end*/
+;
+
+/*istanbul ignore start*/ function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+/*istanbul ignore end*/
+var arrayDiff = new
+/*istanbul ignore start*/
+_base
+/*istanbul ignore end*/
+[
+/*istanbul ignore start*/
+"default"
+/*istanbul ignore end*/
+]();
+
+/*istanbul ignore start*/
+exports.arrayDiff = arrayDiff;
+
+/*istanbul ignore end*/
+arrayDiff.tokenize = function (value) {
+  return value.slice();
+};
+
+arrayDiff.join = arrayDiff.removeEmpty = function (value) {
+  return value;
+};
+
+function diffArrays(oldArr, newArr, callback) {
+  return arrayDiff.diff(oldArr, newArr, callback);
+}
+//# sourceMappingURL=data:application/json;charset=utf-8;base64,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
diff --git a/node_modules/libnpmdiff/node_modules/diff/lib/diff/base.js b/node_modules/libnpmdiff/node_modules/diff/lib/diff/base.js
new file mode 100644
index 0000000000000..48bbe234c74c4
--- /dev/null
+++ b/node_modules/libnpmdiff/node_modules/diff/lib/diff/base.js
@@ -0,0 +1,304 @@
+/*istanbul ignore start*/
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports["default"] = Diff;
+
+/*istanbul ignore end*/
+function Diff() {}
+
+Diff.prototype = {
+  /*istanbul ignore start*/
+
+  /*istanbul ignore end*/
+  diff: function diff(oldString, newString) {
+    /*istanbul ignore start*/
+    var
+    /*istanbul ignore end*/
+    options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+    var callback = options.callback;
+
+    if (typeof options === 'function') {
+      callback = options;
+      options = {};
+    }
+
+    this.options = options;
+    var self = this;
+
+    function done(value) {
+      if (callback) {
+        setTimeout(function () {
+          callback(undefined, value);
+        }, 0);
+        return true;
+      } else {
+        return value;
+      }
+    } // Allow subclasses to massage the input prior to running
+
+
+    oldString = this.castInput(oldString);
+    newString = this.castInput(newString);
+    oldString = this.removeEmpty(this.tokenize(oldString));
+    newString = this.removeEmpty(this.tokenize(newString));
+    var newLen = newString.length,
+        oldLen = oldString.length;
+    var editLength = 1;
+    var maxEditLength = newLen + oldLen;
+    var bestPath = [{
+      newPos: -1,
+      components: []
+    }]; // Seed editLength = 0, i.e. the content starts with the same values
+
+    var oldPos = this.extractCommon(bestPath[0], newString, oldString, 0);
+
+    if (bestPath[0].newPos + 1 >= newLen && oldPos + 1 >= oldLen) {
+      // Identity per the equality and tokenizer
+      return done([{
+        value: this.join(newString),
+        count: newString.length
+      }]);
+    } // Main worker method. checks all permutations of a given edit length for acceptance.
+
+
+    function execEditLength() {
+      for (var diagonalPath = -1 * editLength; diagonalPath <= editLength; diagonalPath += 2) {
+        var basePath =
+        /*istanbul ignore start*/
+        void 0
+        /*istanbul ignore end*/
+        ;
+
+        var addPath = bestPath[diagonalPath - 1],
+            removePath = bestPath[diagonalPath + 1],
+            _oldPos = (removePath ? removePath.newPos : 0) - diagonalPath;
+
+        if (addPath) {
+          // No one else is going to attempt to use this value, clear it
+          bestPath[diagonalPath - 1] = undefined;
+        }
+
+        var canAdd = addPath && addPath.newPos + 1 < newLen,
+            canRemove = removePath && 0 <= _oldPos && _oldPos < oldLen;
+
+        if (!canAdd && !canRemove) {
+          // If this path is a terminal then prune
+          bestPath[diagonalPath] = undefined;
+          continue;
+        } // Select the diagonal that we want to branch from. We select the prior
+        // path whose position in the new string is the farthest from the origin
+        // and does not pass the bounds of the diff graph
+
+
+        if (!canAdd || canRemove && addPath.newPos < removePath.newPos) {
+          basePath = clonePath(removePath);
+          self.pushComponent(basePath.components, undefined, true);
+        } else {
+          basePath = addPath; // No need to clone, we've pulled it from the list
+
+          basePath.newPos++;
+          self.pushComponent(basePath.components, true, undefined);
+        }
+
+        _oldPos = self.extractCommon(basePath, newString, oldString, diagonalPath); // If we have hit the end of both strings, then we are done
+
+        if (basePath.newPos + 1 >= newLen && _oldPos + 1 >= oldLen) {
+          return done(buildValues(self, basePath.components, newString, oldString, self.useLongestToken));
+        } else {
+          // Otherwise track this path as a potential candidate and continue.
+          bestPath[diagonalPath] = basePath;
+        }
+      }
+
+      editLength++;
+    } // Performs the length of edit iteration. Is a bit fugly as this has to support the
+    // sync and async mode which is never fun. Loops over execEditLength until a value
+    // is produced.
+
+
+    if (callback) {
+      (function exec() {
+        setTimeout(function () {
+          // This should not happen, but we want to be safe.
+
+          /* istanbul ignore next */
+          if (editLength > maxEditLength) {
+            return callback();
+          }
+
+          if (!execEditLength()) {
+            exec();
+          }
+        }, 0);
+      })();
+    } else {
+      while (editLength <= maxEditLength) {
+        var ret = execEditLength();
+
+        if (ret) {
+          return ret;
+        }
+      }
+    }
+  },
+
+  /*istanbul ignore start*/
+
+  /*istanbul ignore end*/
+  pushComponent: function pushComponent(components, added, removed) {
+    var last = components[components.length - 1];
+
+    if (last && last.added === added && last.removed === removed) {
+      // We need to clone here as the component clone operation is just
+      // as shallow array clone
+      components[components.length - 1] = {
+        count: last.count + 1,
+        added: added,
+        removed: removed
+      };
+    } else {
+      components.push({
+        count: 1,
+        added: added,
+        removed: removed
+      });
+    }
+  },
+
+  /*istanbul ignore start*/
+
+  /*istanbul ignore end*/
+  extractCommon: function extractCommon(basePath, newString, oldString, diagonalPath) {
+    var newLen = newString.length,
+        oldLen = oldString.length,
+        newPos = basePath.newPos,
+        oldPos = newPos - diagonalPath,
+        commonCount = 0;
+
+    while (newPos + 1 < newLen && oldPos + 1 < oldLen && this.equals(newString[newPos + 1], oldString[oldPos + 1])) {
+      newPos++;
+      oldPos++;
+      commonCount++;
+    }
+
+    if (commonCount) {
+      basePath.components.push({
+        count: commonCount
+      });
+    }
+
+    basePath.newPos = newPos;
+    return oldPos;
+  },
+
+  /*istanbul ignore start*/
+
+  /*istanbul ignore end*/
+  equals: function equals(left, right) {
+    if (this.options.comparator) {
+      return this.options.comparator(left, right);
+    } else {
+      return left === right || this.options.ignoreCase && left.toLowerCase() === right.toLowerCase();
+    }
+  },
+
+  /*istanbul ignore start*/
+
+  /*istanbul ignore end*/
+  removeEmpty: function removeEmpty(array) {
+    var ret = [];
+
+    for (var i = 0; i < array.length; i++) {
+      if (array[i]) {
+        ret.push(array[i]);
+      }
+    }
+
+    return ret;
+  },
+
+  /*istanbul ignore start*/
+
+  /*istanbul ignore end*/
+  castInput: function castInput(value) {
+    return value;
+  },
+
+  /*istanbul ignore start*/
+
+  /*istanbul ignore end*/
+  tokenize: function tokenize(value) {
+    return value.split('');
+  },
+
+  /*istanbul ignore start*/
+
+  /*istanbul ignore end*/
+  join: function join(chars) {
+    return chars.join('');
+  }
+};
+
+function buildValues(diff, components, newString, oldString, useLongestToken) {
+  var componentPos = 0,
+      componentLen = components.length,
+      newPos = 0,
+      oldPos = 0;
+
+  for (; componentPos < componentLen; componentPos++) {
+    var component = components[componentPos];
+
+    if (!component.removed) {
+      if (!component.added && useLongestToken) {
+        var value = newString.slice(newPos, newPos + component.count);
+        value = value.map(function (value, i) {
+          var oldValue = oldString[oldPos + i];
+          return oldValue.length > value.length ? oldValue : value;
+        });
+        component.value = diff.join(value);
+      } else {
+        component.value = diff.join(newString.slice(newPos, newPos + component.count));
+      }
+
+      newPos += component.count; // Common case
+
+      if (!component.added) {
+        oldPos += component.count;
+      }
+    } else {
+      component.value = diff.join(oldString.slice(oldPos, oldPos + component.count));
+      oldPos += component.count; // Reverse add and remove so removes are output first to match common convention
+      // The diffing algorithm is tied to add then remove output and this is the simplest
+      // route to get the desired output with minimal overhead.
+
+      if (componentPos && components[componentPos - 1].added) {
+        var tmp = components[componentPos - 1];
+        components[componentPos - 1] = components[componentPos];
+        components[componentPos] = tmp;
+      }
+    }
+  } // Special case handle for when one terminal is ignored (i.e. whitespace).
+  // For this case we merge the terminal into the prior string and drop the change.
+  // This is only available for string mode.
+
+
+  var lastComponent = components[componentLen - 1];
+
+  if (componentLen > 1 && typeof lastComponent.value === 'string' && (lastComponent.added || lastComponent.removed) && diff.equals('', lastComponent.value)) {
+    components[componentLen - 2].value += lastComponent.value;
+    components.pop();
+  }
+
+  return components;
+}
+
+function clonePath(path) {
+  return {
+    newPos: path.newPos,
+    components: path.components.slice(0)
+  };
+}
+//# sourceMappingURL=data:application/json;charset=utf-8;base64,{"version":3,"sources":["../../src/diff/base.js"],"names":["Diff","prototype","diff","oldString","newString","options","callback","self","done","value","setTimeout","undefined","castInput","removeEmpty","tokenize","newLen","length","oldLen","editLength","maxEditLength","bestPath","newPos","components","oldPos","extractCommon","join","count","execEditLength","diagonalPath","basePath","addPath","removePath","canAdd","canRemove","clonePath","pushComponent","buildValues","useLongestToken","exec","ret","added","removed","last","push","commonCount","equals","left","right","comparator","ignoreCase","toLowerCase","array","i","split","chars","componentPos","componentLen","component","slice","map","oldValue","tmp","lastComponent","pop","path"],"mappings":";;;;;;;;;AAAe,SAASA,IAAT,GAAgB,CAAE;;AAEjCA,IAAI,CAACC,SAAL,GAAiB;AAAA;;AAAA;AACfC,EAAAA,IADe,gBACVC,SADU,EACCC,SADD,EAC0B;AAAA;AAAA;AAAA;AAAdC,IAAAA,OAAc,uEAAJ,EAAI;AACvC,QAAIC,QAAQ,GAAGD,OAAO,CAACC,QAAvB;;AACA,QAAI,OAAOD,OAAP,KAAmB,UAAvB,EAAmC;AACjCC,MAAAA,QAAQ,GAAGD,OAAX;AACAA,MAAAA,OAAO,GAAG,EAAV;AACD;;AACD,SAAKA,OAAL,GAAeA,OAAf;AAEA,QAAIE,IAAI,GAAG,IAAX;;AAEA,aAASC,IAAT,CAAcC,KAAd,EAAqB;AACnB,UAAIH,QAAJ,EAAc;AACZI,QAAAA,UAAU,CAAC,YAAW;AAAEJ,UAAAA,QAAQ,CAACK,SAAD,EAAYF,KAAZ,CAAR;AAA6B,SAA3C,EAA6C,CAA7C,CAAV;AACA,eAAO,IAAP;AACD,OAHD,MAGO;AACL,eAAOA,KAAP;AACD;AACF,KAjBsC,CAmBvC;;;AACAN,IAAAA,SAAS,GAAG,KAAKS,SAAL,CAAeT,SAAf,CAAZ;AACAC,IAAAA,SAAS,GAAG,KAAKQ,SAAL,CAAeR,SAAf,CAAZ;AAEAD,IAAAA,SAAS,GAAG,KAAKU,WAAL,CAAiB,KAAKC,QAAL,CAAcX,SAAd,CAAjB,CAAZ;AACAC,IAAAA,SAAS,GAAG,KAAKS,WAAL,CAAiB,KAAKC,QAAL,CAAcV,SAAd,CAAjB,CAAZ;AAEA,QAAIW,MAAM,GAAGX,SAAS,CAACY,MAAvB;AAAA,QAA+BC,MAAM,GAAGd,SAAS,CAACa,MAAlD;AACA,QAAIE,UAAU,GAAG,CAAjB;AACA,QAAIC,aAAa,GAAGJ,MAAM,GAAGE,MAA7B;AACA,QAAIG,QAAQ,GAAG,CAAC;AAAEC,MAAAA,MAAM,EAAE,CAAC,CAAX;AAAcC,MAAAA,UAAU,EAAE;AAA1B,KAAD,CAAf,CA7BuC,CA+BvC;;AACA,QAAIC,MAAM,GAAG,KAAKC,aAAL,CAAmBJ,QAAQ,CAAC,CAAD,CAA3B,EAAgChB,SAAhC,EAA2CD,SAA3C,EAAsD,CAAtD,CAAb;;AACA,QAAIiB,QAAQ,CAAC,CAAD,CAAR,CAAYC,MAAZ,GAAqB,CAArB,IAA0BN,MAA1B,IAAoCQ,MAAM,GAAG,CAAT,IAAcN,MAAtD,EAA8D;AAC5D;AACA,aAAOT,IAAI,CAAC,CAAC;AAACC,QAAAA,KAAK,EAAE,KAAKgB,IAAL,CAAUrB,SAAV,CAAR;AAA8BsB,QAAAA,KAAK,EAAEtB,SAAS,CAACY;AAA/C,OAAD,CAAD,CAAX;AACD,KApCsC,CAsCvC;;;AACA,aAASW,cAAT,GAA0B;AACxB,WAAK,IAAIC,YAAY,GAAG,CAAC,CAAD,GAAKV,UAA7B,EAAyCU,YAAY,IAAIV,UAAzD,EAAqEU,YAAY,IAAI,CAArF,EAAwF;AACtF,YAAIC,QAAQ;AAAA;AAAA;AAAZ;AAAA;;AACA,YAAIC,OAAO,GAAGV,QAAQ,CAACQ,YAAY,GAAG,CAAhB,CAAtB;AAAA,YACIG,UAAU,GAAGX,QAAQ,CAACQ,YAAY,GAAG,CAAhB,CADzB;AAAA,YAEIL,OAAM,GAAG,CAACQ,UAAU,GAAGA,UAAU,CAACV,MAAd,GAAuB,CAAlC,IAAuCO,YAFpD;;AAGA,YAAIE,OAAJ,EAAa;AACX;AACAV,UAAAA,QAAQ,CAACQ,YAAY,GAAG,CAAhB,CAAR,GAA6BjB,SAA7B;AACD;;AAED,YAAIqB,MAAM,GAAGF,OAAO,IAAIA,OAAO,CAACT,MAAR,GAAiB,CAAjB,GAAqBN,MAA7C;AAAA,YACIkB,SAAS,GAAGF,UAAU,IAAI,KAAKR,OAAnB,IAA6BA,OAAM,GAAGN,MADtD;;AAEA,YAAI,CAACe,MAAD,IAAW,CAACC,SAAhB,EAA2B;AACzB;AACAb,UAAAA,QAAQ,CAACQ,YAAD,CAAR,GAAyBjB,SAAzB;AACA;AACD,SAhBqF,CAkBtF;AACA;AACA;;;AACA,YAAI,CAACqB,MAAD,IAAYC,SAAS,IAAIH,OAAO,CAACT,MAAR,GAAiBU,UAAU,CAACV,MAAzD,EAAkE;AAChEQ,UAAAA,QAAQ,GAAGK,SAAS,CAACH,UAAD,CAApB;AACAxB,UAAAA,IAAI,CAAC4B,aAAL,CAAmBN,QAAQ,CAACP,UAA5B,EAAwCX,SAAxC,EAAmD,IAAnD;AACD,SAHD,MAGO;AACLkB,UAAAA,QAAQ,GAAGC,OAAX,CADK,CACe;;AACpBD,UAAAA,QAAQ,CAACR,MAAT;AACAd,UAAAA,IAAI,CAAC4B,aAAL,CAAmBN,QAAQ,CAACP,UAA5B,EAAwC,IAAxC,EAA8CX,SAA9C;AACD;;AAEDY,QAAAA,OAAM,GAAGhB,IAAI,CAACiB,aAAL,CAAmBK,QAAnB,EAA6BzB,SAA7B,EAAwCD,SAAxC,EAAmDyB,YAAnD,CAAT,CA9BsF,CAgCtF;;AACA,YAAIC,QAAQ,CAACR,MAAT,GAAkB,CAAlB,IAAuBN,MAAvB,IAAiCQ,OAAM,GAAG,CAAT,IAAcN,MAAnD,EAA2D;AACzD,iBAAOT,IAAI,CAAC4B,WAAW,CAAC7B,IAAD,EAAOsB,QAAQ,CAACP,UAAhB,EAA4BlB,SAA5B,EAAuCD,SAAvC,EAAkDI,IAAI,CAAC8B,eAAvD,CAAZ,CAAX;AACD,SAFD,MAEO;AACL;AACAjB,UAAAA,QAAQ,CAACQ,YAAD,CAAR,GAAyBC,QAAzB;AACD;AACF;;AAEDX,MAAAA,UAAU;AACX,KAlFsC,CAoFvC;AACA;AACA;;;AACA,QAAIZ,QAAJ,EAAc;AACX,gBAASgC,IAAT,GAAgB;AACf5B,QAAAA,UAAU,CAAC,YAAW;AACpB;;AACA;AACA,cAAIQ,UAAU,GAAGC,aAAjB,EAAgC;AAC9B,mBAAOb,QAAQ,EAAf;AACD;;AAED,cAAI,CAACqB,cAAc,EAAnB,EAAuB;AACrBW,YAAAA,IAAI;AACL;AACF,SAVS,EAUP,CAVO,CAAV;AAWD,OAZA,GAAD;AAaD,KAdD,MAcO;AACL,aAAOpB,UAAU,IAAIC,aAArB,EAAoC;AAClC,YAAIoB,GAAG,GAAGZ,cAAc,EAAxB;;AACA,YAAIY,GAAJ,EAAS;AACP,iBAAOA,GAAP;AACD;AACF;AACF;AACF,GA9Gc;;AAAA;;AAAA;AAgHfJ,EAAAA,aAhHe,yBAgHDb,UAhHC,EAgHWkB,KAhHX,EAgHkBC,OAhHlB,EAgH2B;AACxC,QAAIC,IAAI,GAAGpB,UAAU,CAACA,UAAU,CAACN,MAAX,GAAoB,CAArB,CAArB;;AACA,QAAI0B,IAAI,IAAIA,IAAI,CAACF,KAAL,KAAeA,KAAvB,IAAgCE,IAAI,CAACD,OAAL,KAAiBA,OAArD,EAA8D;AAC5D;AACA;AACAnB,MAAAA,UAAU,CAACA,UAAU,CAACN,MAAX,GAAoB,CAArB,CAAV,GAAoC;AAACU,QAAAA,KAAK,EAAEgB,IAAI,CAAChB,KAAL,GAAa,CAArB;AAAwBc,QAAAA,KAAK,EAAEA,KAA/B;AAAsCC,QAAAA,OAAO,EAAEA;AAA/C,OAApC;AACD,KAJD,MAIO;AACLnB,MAAAA,UAAU,CAACqB,IAAX,CAAgB;AAACjB,QAAAA,KAAK,EAAE,CAAR;AAAWc,QAAAA,KAAK,EAAEA,KAAlB;AAAyBC,QAAAA,OAAO,EAAEA;AAAlC,OAAhB;AACD;AACF,GAzHc;;AAAA;;AAAA;AA0HfjB,EAAAA,aA1He,yBA0HDK,QA1HC,EA0HSzB,SA1HT,EA0HoBD,SA1HpB,EA0H+ByB,YA1H/B,EA0H6C;AAC1D,QAAIb,MAAM,GAAGX,SAAS,CAACY,MAAvB;AAAA,QACIC,MAAM,GAAGd,SAAS,CAACa,MADvB;AAAA,QAEIK,MAAM,GAAGQ,QAAQ,CAACR,MAFtB;AAAA,QAGIE,MAAM,GAAGF,MAAM,GAAGO,YAHtB;AAAA,QAKIgB,WAAW,GAAG,CALlB;;AAMA,WAAOvB,MAAM,GAAG,CAAT,GAAaN,MAAb,IAAuBQ,MAAM,GAAG,CAAT,GAAaN,MAApC,IAA8C,KAAK4B,MAAL,CAAYzC,SAAS,CAACiB,MAAM,GAAG,CAAV,CAArB,EAAmClB,SAAS,CAACoB,MAAM,GAAG,CAAV,CAA5C,CAArD,EAAgH;AAC9GF,MAAAA,MAAM;AACNE,MAAAA,MAAM;AACNqB,MAAAA,WAAW;AACZ;;AAED,QAAIA,WAAJ,EAAiB;AACff,MAAAA,QAAQ,CAACP,UAAT,CAAoBqB,IAApB,CAAyB;AAACjB,QAAAA,KAAK,EAAEkB;AAAR,OAAzB;AACD;;AAEDf,IAAAA,QAAQ,CAACR,MAAT,GAAkBA,MAAlB;AACA,WAAOE,MAAP;AACD,GA7Ic;;AAAA;;AAAA;AA+IfsB,EAAAA,MA/Ie,kBA+IRC,IA/IQ,EA+IFC,KA/IE,EA+IK;AAClB,QAAI,KAAK1C,OAAL,CAAa2C,UAAjB,EAA6B;AAC3B,aAAO,KAAK3C,OAAL,CAAa2C,UAAb,CAAwBF,IAAxB,EAA8BC,KAA9B,CAAP;AACD,KAFD,MAEO;AACL,aAAOD,IAAI,KAAKC,KAAT,IACD,KAAK1C,OAAL,CAAa4C,UAAb,IAA2BH,IAAI,CAACI,WAAL,OAAuBH,KAAK,CAACG,WAAN,EADxD;AAED;AACF,GAtJc;;AAAA;;AAAA;AAuJfrC,EAAAA,WAvJe,uBAuJHsC,KAvJG,EAuJI;AACjB,QAAIZ,GAAG,GAAG,EAAV;;AACA,SAAK,IAAIa,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGD,KAAK,CAACnC,MAA1B,EAAkCoC,CAAC,EAAnC,EAAuC;AACrC,UAAID,KAAK,CAACC,CAAD,CAAT,EAAc;AACZb,QAAAA,GAAG,CAACI,IAAJ,CAASQ,KAAK,CAACC,CAAD,CAAd;AACD;AACF;;AACD,WAAOb,GAAP;AACD,GA/Jc;;AAAA;;AAAA;AAgKf3B,EAAAA,SAhKe,qBAgKLH,KAhKK,EAgKE;AACf,WAAOA,KAAP;AACD,GAlKc;;AAAA;;AAAA;AAmKfK,EAAAA,QAnKe,oBAmKNL,KAnKM,EAmKC;AACd,WAAOA,KAAK,CAAC4C,KAAN,CAAY,EAAZ,CAAP;AACD,GArKc;;AAAA;;AAAA;AAsKf5B,EAAAA,IAtKe,gBAsKV6B,KAtKU,EAsKH;AACV,WAAOA,KAAK,CAAC7B,IAAN,CAAW,EAAX,CAAP;AACD;AAxKc,CAAjB;;AA2KA,SAASW,WAAT,CAAqBlC,IAArB,EAA2BoB,UAA3B,EAAuClB,SAAvC,EAAkDD,SAAlD,EAA6DkC,eAA7D,EAA8E;AAC5E,MAAIkB,YAAY,GAAG,CAAnB;AAAA,MACIC,YAAY,GAAGlC,UAAU,CAACN,MAD9B;AAAA,MAEIK,MAAM,GAAG,CAFb;AAAA,MAGIE,MAAM,GAAG,CAHb;;AAKA,SAAOgC,YAAY,GAAGC,YAAtB,EAAoCD,YAAY,EAAhD,EAAoD;AAClD,QAAIE,SAAS,GAAGnC,UAAU,CAACiC,YAAD,CAA1B;;AACA,QAAI,CAACE,SAAS,CAAChB,OAAf,EAAwB;AACtB,UAAI,CAACgB,SAAS,CAACjB,KAAX,IAAoBH,eAAxB,EAAyC;AACvC,YAAI5B,KAAK,GAAGL,SAAS,CAACsD,KAAV,CAAgBrC,MAAhB,EAAwBA,MAAM,GAAGoC,SAAS,CAAC/B,KAA3C,CAAZ;AACAjB,QAAAA,KAAK,GAAGA,KAAK,CAACkD,GAAN,CAAU,UAASlD,KAAT,EAAgB2C,CAAhB,EAAmB;AACnC,cAAIQ,QAAQ,GAAGzD,SAAS,CAACoB,MAAM,GAAG6B,CAAV,CAAxB;AACA,iBAAOQ,QAAQ,CAAC5C,MAAT,GAAkBP,KAAK,CAACO,MAAxB,GAAiC4C,QAAjC,GAA4CnD,KAAnD;AACD,SAHO,CAAR;AAKAgD,QAAAA,SAAS,CAAChD,KAAV,GAAkBP,IAAI,CAACuB,IAAL,CAAUhB,KAAV,CAAlB;AACD,OARD,MAQO;AACLgD,QAAAA,SAAS,CAAChD,KAAV,GAAkBP,IAAI,CAACuB,IAAL,CAAUrB,SAAS,CAACsD,KAAV,CAAgBrC,MAAhB,EAAwBA,MAAM,GAAGoC,SAAS,CAAC/B,KAA3C,CAAV,CAAlB;AACD;;AACDL,MAAAA,MAAM,IAAIoC,SAAS,CAAC/B,KAApB,CAZsB,CActB;;AACA,UAAI,CAAC+B,SAAS,CAACjB,KAAf,EAAsB;AACpBjB,QAAAA,MAAM,IAAIkC,SAAS,CAAC/B,KAApB;AACD;AACF,KAlBD,MAkBO;AACL+B,MAAAA,SAAS,CAAChD,KAAV,GAAkBP,IAAI,CAACuB,IAAL,CAAUtB,SAAS,CAACuD,KAAV,CAAgBnC,MAAhB,EAAwBA,MAAM,GAAGkC,SAAS,CAAC/B,KAA3C,CAAV,CAAlB;AACAH,MAAAA,MAAM,IAAIkC,SAAS,CAAC/B,KAApB,CAFK,CAIL;AACA;AACA;;AACA,UAAI6B,YAAY,IAAIjC,UAAU,CAACiC,YAAY,GAAG,CAAhB,CAAV,CAA6Bf,KAAjD,EAAwD;AACtD,YAAIqB,GAAG,GAAGvC,UAAU,CAACiC,YAAY,GAAG,CAAhB,CAApB;AACAjC,QAAAA,UAAU,CAACiC,YAAY,GAAG,CAAhB,CAAV,GAA+BjC,UAAU,CAACiC,YAAD,CAAzC;AACAjC,QAAAA,UAAU,CAACiC,YAAD,CAAV,GAA2BM,GAA3B;AACD;AACF;AACF,GAvC2E,CAyC5E;AACA;AACA;;;AACA,MAAIC,aAAa,GAAGxC,UAAU,CAACkC,YAAY,GAAG,CAAhB,CAA9B;;AACA,MAAIA,YAAY,GAAG,CAAf,IACG,OAAOM,aAAa,CAACrD,KAArB,KAA+B,QADlC,KAEIqD,aAAa,CAACtB,KAAd,IAAuBsB,aAAa,CAACrB,OAFzC,KAGGvC,IAAI,CAAC2C,MAAL,CAAY,EAAZ,EAAgBiB,aAAa,CAACrD,KAA9B,CAHP,EAG6C;AAC3Ca,IAAAA,UAAU,CAACkC,YAAY,GAAG,CAAhB,CAAV,CAA6B/C,KAA7B,IAAsCqD,aAAa,CAACrD,KAApD;AACAa,IAAAA,UAAU,CAACyC,GAAX;AACD;;AAED,SAAOzC,UAAP;AACD;;AAED,SAASY,SAAT,CAAmB8B,IAAnB,EAAyB;AACvB,SAAO;AAAE3C,IAAAA,MAAM,EAAE2C,IAAI,CAAC3C,MAAf;AAAuBC,IAAAA,UAAU,EAAE0C,IAAI,CAAC1C,UAAL,CAAgBoC,KAAhB,CAAsB,CAAtB;AAAnC,GAAP;AACD","sourcesContent":["export default function Diff() {}\n\nDiff.prototype = {\n  diff(oldString, newString, options = {}) {\n    let callback = options.callback;\n    if (typeof options === 'function') {\n      callback = options;\n      options = {};\n    }\n    this.options = options;\n\n    let self = this;\n\n    function done(value) {\n      if (callback) {\n        setTimeout(function() { callback(undefined, value); }, 0);\n        return true;\n      } else {\n        return value;\n      }\n    }\n\n    // Allow subclasses to massage the input prior to running\n    oldString = this.castInput(oldString);\n    newString = this.castInput(newString);\n\n    oldString = this.removeEmpty(this.tokenize(oldString));\n    newString = this.removeEmpty(this.tokenize(newString));\n\n    let newLen = newString.length, oldLen = oldString.length;\n    let editLength = 1;\n    let maxEditLength = newLen + oldLen;\n    let bestPath = [{ newPos: -1, components: [] }];\n\n    // Seed editLength = 0, i.e. the content starts with the same values\n    let oldPos = this.extractCommon(bestPath[0], newString, oldString, 0);\n    if (bestPath[0].newPos + 1 >= newLen && oldPos + 1 >= oldLen) {\n      // Identity per the equality and tokenizer\n      return done([{value: this.join(newString), count: newString.length}]);\n    }\n\n    // Main worker method. checks all permutations of a given edit length for acceptance.\n    function execEditLength() {\n      for (let diagonalPath = -1 * editLength; diagonalPath <= editLength; diagonalPath += 2) {\n        let basePath;\n        let addPath = bestPath[diagonalPath - 1],\n            removePath = bestPath[diagonalPath + 1],\n            oldPos = (removePath ? removePath.newPos : 0) - diagonalPath;\n        if (addPath) {\n          // No one else is going to attempt to use this value, clear it\n          bestPath[diagonalPath - 1] = undefined;\n        }\n\n        let canAdd = addPath && addPath.newPos + 1 < newLen,\n            canRemove = removePath && 0 <= oldPos && oldPos < oldLen;\n        if (!canAdd && !canRemove) {\n          // If this path is a terminal then prune\n          bestPath[diagonalPath] = undefined;\n          continue;\n        }\n\n        // Select the diagonal that we want to branch from. We select the prior\n        // path whose position in the new string is the farthest from the origin\n        // and does not pass the bounds of the diff graph\n        if (!canAdd || (canRemove && addPath.newPos < removePath.newPos)) {\n          basePath = clonePath(removePath);\n          self.pushComponent(basePath.components, undefined, true);\n        } else {\n          basePath = addPath; // No need to clone, we've pulled it from the list\n          basePath.newPos++;\n          self.pushComponent(basePath.components, true, undefined);\n        }\n\n        oldPos = self.extractCommon(basePath, newString, oldString, diagonalPath);\n\n        // If we have hit the end of both strings, then we are done\n        if (basePath.newPos + 1 >= newLen && oldPos + 1 >= oldLen) {\n          return done(buildValues(self, basePath.components, newString, oldString, self.useLongestToken));\n        } else {\n          // Otherwise track this path as a potential candidate and continue.\n          bestPath[diagonalPath] = basePath;\n        }\n      }\n\n      editLength++;\n    }\n\n    // Performs the length of edit iteration. Is a bit fugly as this has to support the\n    // sync and async mode which is never fun. Loops over execEditLength until a value\n    // is produced.\n    if (callback) {\n      (function exec() {\n        setTimeout(function() {\n          // This should not happen, but we want to be safe.\n          /* istanbul ignore next */\n          if (editLength > maxEditLength) {\n            return callback();\n          }\n\n          if (!execEditLength()) {\n            exec();\n          }\n        }, 0);\n      }());\n    } else {\n      while (editLength <= maxEditLength) {\n        let ret = execEditLength();\n        if (ret) {\n          return ret;\n        }\n      }\n    }\n  },\n\n  pushComponent(components, added, removed) {\n    let last = components[components.length - 1];\n    if (last && last.added === added && last.removed === removed) {\n      // We need to clone here as the component clone operation is just\n      // as shallow array clone\n      components[components.length - 1] = {count: last.count + 1, added: added, removed: removed };\n    } else {\n      components.push({count: 1, added: added, removed: removed });\n    }\n  },\n  extractCommon(basePath, newString, oldString, diagonalPath) {\n    let newLen = newString.length,\n        oldLen = oldString.length,\n        newPos = basePath.newPos,\n        oldPos = newPos - diagonalPath,\n\n        commonCount = 0;\n    while (newPos + 1 < newLen && oldPos + 1 < oldLen && this.equals(newString[newPos + 1], oldString[oldPos + 1])) {\n      newPos++;\n      oldPos++;\n      commonCount++;\n    }\n\n    if (commonCount) {\n      basePath.components.push({count: commonCount});\n    }\n\n    basePath.newPos = newPos;\n    return oldPos;\n  },\n\n  equals(left, right) {\n    if (this.options.comparator) {\n      return this.options.comparator(left, right);\n    } else {\n      return left === right\n        || (this.options.ignoreCase && left.toLowerCase() === right.toLowerCase());\n    }\n  },\n  removeEmpty(array) {\n    let ret = [];\n    for (let i = 0; i < array.length; i++) {\n      if (array[i]) {\n        ret.push(array[i]);\n      }\n    }\n    return ret;\n  },\n  castInput(value) {\n    return value;\n  },\n  tokenize(value) {\n    return value.split('');\n  },\n  join(chars) {\n    return chars.join('');\n  }\n};\n\nfunction buildValues(diff, components, newString, oldString, useLongestToken) {\n  let componentPos = 0,\n      componentLen = components.length,\n      newPos = 0,\n      oldPos = 0;\n\n  for (; componentPos < componentLen; componentPos++) {\n    let component = components[componentPos];\n    if (!component.removed) {\n      if (!component.added && useLongestToken) {\n        let value = newString.slice(newPos, newPos + component.count);\n        value = value.map(function(value, i) {\n          let oldValue = oldString[oldPos + i];\n          return oldValue.length > value.length ? oldValue : value;\n        });\n\n        component.value = diff.join(value);\n      } else {\n        component.value = diff.join(newString.slice(newPos, newPos + component.count));\n      }\n      newPos += component.count;\n\n      // Common case\n      if (!component.added) {\n        oldPos += component.count;\n      }\n    } else {\n      component.value = diff.join(oldString.slice(oldPos, oldPos + component.count));\n      oldPos += component.count;\n\n      // Reverse add and remove so removes are output first to match common convention\n      // The diffing algorithm is tied to add then remove output and this is the simplest\n      // route to get the desired output with minimal overhead.\n      if (componentPos && components[componentPos - 1].added) {\n        let tmp = components[componentPos - 1];\n        components[componentPos - 1] = components[componentPos];\n        components[componentPos] = tmp;\n      }\n    }\n  }\n\n  // Special case handle for when one terminal is ignored (i.e. whitespace).\n  // For this case we merge the terminal into the prior string and drop the change.\n  // This is only available for string mode.\n  let lastComponent = components[componentLen - 1];\n  if (componentLen > 1\n      && typeof lastComponent.value === 'string'\n      && (lastComponent.added || lastComponent.removed)\n      && diff.equals('', lastComponent.value)) {\n    components[componentLen - 2].value += lastComponent.value;\n    components.pop();\n  }\n\n  return components;\n}\n\nfunction clonePath(path) {\n  return { newPos: path.newPos, components: path.components.slice(0) };\n}\n"]}
diff --git a/node_modules/libnpmdiff/node_modules/diff/lib/diff/character.js b/node_modules/libnpmdiff/node_modules/diff/lib/diff/character.js
new file mode 100644
index 0000000000000..7ddfa205e394a
--- /dev/null
+++ b/node_modules/libnpmdiff/node_modules/diff/lib/diff/character.js
@@ -0,0 +1,37 @@
+/*istanbul ignore start*/
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.diffChars = diffChars;
+exports.characterDiff = void 0;
+
+/*istanbul ignore end*/
+var
+/*istanbul ignore start*/
+_base = _interopRequireDefault(require("./base"))
+/*istanbul ignore end*/
+;
+
+/*istanbul ignore start*/ function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+/*istanbul ignore end*/
+var characterDiff = new
+/*istanbul ignore start*/
+_base
+/*istanbul ignore end*/
+[
+/*istanbul ignore start*/
+"default"
+/*istanbul ignore end*/
+]();
+
+/*istanbul ignore start*/
+exports.characterDiff = characterDiff;
+
+/*istanbul ignore end*/
+function diffChars(oldStr, newStr, options) {
+  return characterDiff.diff(oldStr, newStr, options);
+}
+//# sourceMappingURL=data:application/json;charset=utf-8;base64,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
diff --git a/node_modules/libnpmdiff/node_modules/diff/lib/diff/css.js b/node_modules/libnpmdiff/node_modules/diff/lib/diff/css.js
new file mode 100644
index 0000000000000..e3ad1fcba5f0e
--- /dev/null
+++ b/node_modules/libnpmdiff/node_modules/diff/lib/diff/css.js
@@ -0,0 +1,41 @@
+/*istanbul ignore start*/
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.diffCss = diffCss;
+exports.cssDiff = void 0;
+
+/*istanbul ignore end*/
+var
+/*istanbul ignore start*/
+_base = _interopRequireDefault(require("./base"))
+/*istanbul ignore end*/
+;
+
+/*istanbul ignore start*/ function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+/*istanbul ignore end*/
+var cssDiff = new
+/*istanbul ignore start*/
+_base
+/*istanbul ignore end*/
+[
+/*istanbul ignore start*/
+"default"
+/*istanbul ignore end*/
+]();
+
+/*istanbul ignore start*/
+exports.cssDiff = cssDiff;
+
+/*istanbul ignore end*/
+cssDiff.tokenize = function (value) {
+  return value.split(/([{}:;,]|\s+)/);
+};
+
+function diffCss(oldStr, newStr, callback) {
+  return cssDiff.diff(oldStr, newStr, callback);
+}
+//# sourceMappingURL=data:application/json;charset=utf-8;base64,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
diff --git a/node_modules/libnpmdiff/node_modules/diff/lib/diff/json.js b/node_modules/libnpmdiff/node_modules/diff/lib/diff/json.js
new file mode 100644
index 0000000000000..67c2f175f73b4
--- /dev/null
+++ b/node_modules/libnpmdiff/node_modules/diff/lib/diff/json.js
@@ -0,0 +1,163 @@
+/*istanbul ignore start*/
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.diffJson = diffJson;
+exports.canonicalize = canonicalize;
+exports.jsonDiff = void 0;
+
+/*istanbul ignore end*/
+var
+/*istanbul ignore start*/
+_base = _interopRequireDefault(require("./base"))
+/*istanbul ignore end*/
+;
+
+var
+/*istanbul ignore start*/
+_line = require("./line")
+/*istanbul ignore end*/
+;
+
+/*istanbul ignore start*/ function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+/*istanbul ignore end*/
+var objectPrototypeToString = Object.prototype.toString;
+var jsonDiff = new
+/*istanbul ignore start*/
+_base
+/*istanbul ignore end*/
+[
+/*istanbul ignore start*/
+"default"
+/*istanbul ignore end*/
+](); // Discriminate between two lines of pretty-printed, serialized JSON where one of them has a
+// dangling comma and the other doesn't. Turns out including the dangling comma yields the nicest output:
+
+/*istanbul ignore start*/
+exports.jsonDiff = jsonDiff;
+
+/*istanbul ignore end*/
+jsonDiff.useLongestToken = true;
+jsonDiff.tokenize =
+/*istanbul ignore start*/
+_line
+/*istanbul ignore end*/
+.
+/*istanbul ignore start*/
+lineDiff
+/*istanbul ignore end*/
+.tokenize;
+
+jsonDiff.castInput = function (value) {
+  /*istanbul ignore start*/
+  var _this$options =
+  /*istanbul ignore end*/
+  this.options,
+      undefinedReplacement = _this$options.undefinedReplacement,
+      _this$options$stringi = _this$options.stringifyReplacer,
+      stringifyReplacer = _this$options$stringi === void 0 ? function (k, v)
+  /*istanbul ignore start*/
+  {
+    return (
+      /*istanbul ignore end*/
+      typeof v === 'undefined' ? undefinedReplacement : v
+    );
+  } : _this$options$stringi;
+  return typeof value === 'string' ? value : JSON.stringify(canonicalize(value, null, null, stringifyReplacer), stringifyReplacer, '  ');
+};
+
+jsonDiff.equals = function (left, right) {
+  return (
+    /*istanbul ignore start*/
+    _base
+    /*istanbul ignore end*/
+    [
+    /*istanbul ignore start*/
+    "default"
+    /*istanbul ignore end*/
+    ].prototype.equals.call(jsonDiff, left.replace(/,([\r\n])/g, '$1'), right.replace(/,([\r\n])/g, '$1'))
+  );
+};
+
+function diffJson(oldObj, newObj, options) {
+  return jsonDiff.diff(oldObj, newObj, options);
+} // This function handles the presence of circular references by bailing out when encountering an
+// object that is already on the "stack" of items being processed. Accepts an optional replacer
+
+
+function canonicalize(obj, stack, replacementStack, replacer, key) {
+  stack = stack || [];
+  replacementStack = replacementStack || [];
+
+  if (replacer) {
+    obj = replacer(key, obj);
+  }
+
+  var i;
+
+  for (i = 0; i < stack.length; i += 1) {
+    if (stack[i] === obj) {
+      return replacementStack[i];
+    }
+  }
+
+  var canonicalizedObj;
+
+  if ('[object Array]' === objectPrototypeToString.call(obj)) {
+    stack.push(obj);
+    canonicalizedObj = new Array(obj.length);
+    replacementStack.push(canonicalizedObj);
+
+    for (i = 0; i < obj.length; i += 1) {
+      canonicalizedObj[i] = canonicalize(obj[i], stack, replacementStack, replacer, key);
+    }
+
+    stack.pop();
+    replacementStack.pop();
+    return canonicalizedObj;
+  }
+
+  if (obj && obj.toJSON) {
+    obj = obj.toJSON();
+  }
+
+  if (
+  /*istanbul ignore start*/
+  _typeof(
+  /*istanbul ignore end*/
+  obj) === 'object' && obj !== null) {
+    stack.push(obj);
+    canonicalizedObj = {};
+    replacementStack.push(canonicalizedObj);
+
+    var sortedKeys = [],
+        _key;
+
+    for (_key in obj) {
+      /* istanbul ignore else */
+      if (obj.hasOwnProperty(_key)) {
+        sortedKeys.push(_key);
+      }
+    }
+
+    sortedKeys.sort();
+
+    for (i = 0; i < sortedKeys.length; i += 1) {
+      _key = sortedKeys[i];
+      canonicalizedObj[_key] = canonicalize(obj[_key], stack, replacementStack, replacer, _key);
+    }
+
+    stack.pop();
+    replacementStack.pop();
+  } else {
+    canonicalizedObj = obj;
+  }
+
+  return canonicalizedObj;
+}
+//# sourceMappingURL=data:application/json;charset=utf-8;base64,{"version":3,"sources":["../../src/diff/json.js"],"names":["objectPrototypeToString","Object","prototype","toString","jsonDiff","Diff","useLongestToken","tokenize","lineDiff","castInput","value","options","undefinedReplacement","stringifyReplacer","k","v","JSON","stringify","canonicalize","equals","left","right","call","replace","diffJson","oldObj","newObj","diff","obj","stack","replacementStack","replacer","key","i","length","canonicalizedObj","push","Array","pop","toJSON","sortedKeys","hasOwnProperty","sort"],"mappings":";;;;;;;;;;;AAAA;AAAA;AAAA;AAAA;AAAA;;AACA;AAAA;AAAA;AAAA;AAAA;;;;;;;AAEA,IAAMA,uBAAuB,GAAGC,MAAM,CAACC,SAAP,CAAiBC,QAAjD;AAGO,IAAMC,QAAQ,GAAG;AAAIC;AAAAA;AAAAA;AAAAA;AAAAA;AAAAA;AAAAA;AAAAA,CAAJ,EAAjB,C,CACP;AACA;;;;;;AACAD,QAAQ,CAACE,eAAT,GAA2B,IAA3B;AAEAF,QAAQ,CAACG,QAAT;AAAoBC;AAAAA;AAAAA;AAAAA;AAAAA;AAAAA;AAAA;AAAA,CAASD,QAA7B;;AACAH,QAAQ,CAACK,SAAT,GAAqB,UAASC,KAAT,EAAgB;AAAA;AAAA;AAAA;AAC+E,OAAKC,OADpF;AAAA,MAC5BC,oBAD4B,iBAC5BA,oBAD4B;AAAA,4CACNC,iBADM;AAAA,MACNA,iBADM,sCACc,UAACC,CAAD,EAAIC,CAAJ;AAAA;AAAA;AAAA;AAAA;AAAU,aAAOA,CAAP,KAAa,WAAb,GAA2BH,oBAA3B,GAAkDG;AAA5D;AAAA,GADd;AAGnC,SAAO,OAAOL,KAAP,KAAiB,QAAjB,GAA4BA,KAA5B,GAAoCM,IAAI,CAACC,SAAL,CAAeC,YAAY,CAACR,KAAD,EAAQ,IAAR,EAAc,IAAd,EAAoBG,iBAApB,CAA3B,EAAmEA,iBAAnE,EAAsF,IAAtF,CAA3C;AACD,CAJD;;AAKAT,QAAQ,CAACe,MAAT,GAAkB,UAASC,IAAT,EAAeC,KAAf,EAAsB;AACtC,SAAOhB;AAAAA;AAAAA;AAAAA;AAAAA;AAAAA;AAAAA;AAAAA;AAAAA,MAAKH,SAAL,CAAeiB,MAAf,CAAsBG,IAAtB,CAA2BlB,QAA3B,EAAqCgB,IAAI,CAACG,OAAL,CAAa,YAAb,EAA2B,IAA3B,CAArC,EAAuEF,KAAK,CAACE,OAAN,CAAc,YAAd,EAA4B,IAA5B,CAAvE;AAAP;AACD,CAFD;;AAIO,SAASC,QAAT,CAAkBC,MAAlB,EAA0BC,MAA1B,EAAkCf,OAAlC,EAA2C;AAAE,SAAOP,QAAQ,CAACuB,IAAT,CAAcF,MAAd,EAAsBC,MAAtB,EAA8Bf,OAA9B,CAAP;AAAgD,C,CAEpG;AACA;;;AACO,SAASO,YAAT,CAAsBU,GAAtB,EAA2BC,KAA3B,EAAkCC,gBAAlC,EAAoDC,QAApD,EAA8DC,GAA9D,EAAmE;AACxEH,EAAAA,KAAK,GAAGA,KAAK,IAAI,EAAjB;AACAC,EAAAA,gBAAgB,GAAGA,gBAAgB,IAAI,EAAvC;;AAEA,MAAIC,QAAJ,EAAc;AACZH,IAAAA,GAAG,GAAGG,QAAQ,CAACC,GAAD,EAAMJ,GAAN,CAAd;AACD;;AAED,MAAIK,CAAJ;;AAEA,OAAKA,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGJ,KAAK,CAACK,MAAtB,EAA8BD,CAAC,IAAI,CAAnC,EAAsC;AACpC,QAAIJ,KAAK,CAACI,CAAD,CAAL,KAAaL,GAAjB,EAAsB;AACpB,aAAOE,gBAAgB,CAACG,CAAD,CAAvB;AACD;AACF;;AAED,MAAIE,gBAAJ;;AAEA,MAAI,qBAAqBnC,uBAAuB,CAACsB,IAAxB,CAA6BM,GAA7B,CAAzB,EAA4D;AAC1DC,IAAAA,KAAK,CAACO,IAAN,CAAWR,GAAX;AACAO,IAAAA,gBAAgB,GAAG,IAAIE,KAAJ,CAAUT,GAAG,CAACM,MAAd,CAAnB;AACAJ,IAAAA,gBAAgB,CAACM,IAAjB,CAAsBD,gBAAtB;;AACA,SAAKF,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGL,GAAG,CAACM,MAApB,EAA4BD,CAAC,IAAI,CAAjC,EAAoC;AAClCE,MAAAA,gBAAgB,CAACF,CAAD,CAAhB,GAAsBf,YAAY,CAACU,GAAG,CAACK,CAAD,CAAJ,EAASJ,KAAT,EAAgBC,gBAAhB,EAAkCC,QAAlC,EAA4CC,GAA5C,CAAlC;AACD;;AACDH,IAAAA,KAAK,CAACS,GAAN;AACAR,IAAAA,gBAAgB,CAACQ,GAAjB;AACA,WAAOH,gBAAP;AACD;;AAED,MAAIP,GAAG,IAAIA,GAAG,CAACW,MAAf,EAAuB;AACrBX,IAAAA,GAAG,GAAGA,GAAG,CAACW,MAAJ,EAAN;AACD;;AAED;AAAI;AAAA;AAAA;AAAOX,EAAAA,GAAP,MAAe,QAAf,IAA2BA,GAAG,KAAK,IAAvC,EAA6C;AAC3CC,IAAAA,KAAK,CAACO,IAAN,CAAWR,GAAX;AACAO,IAAAA,gBAAgB,GAAG,EAAnB;AACAL,IAAAA,gBAAgB,CAACM,IAAjB,CAAsBD,gBAAtB;;AACA,QAAIK,UAAU,GAAG,EAAjB;AAAA,QACIR,IADJ;;AAEA,SAAKA,IAAL,IAAYJ,GAAZ,EAAiB;AACf;AACA,UAAIA,GAAG,CAACa,cAAJ,CAAmBT,IAAnB,CAAJ,EAA6B;AAC3BQ,QAAAA,UAAU,CAACJ,IAAX,CAAgBJ,IAAhB;AACD;AACF;;AACDQ,IAAAA,UAAU,CAACE,IAAX;;AACA,SAAKT,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGO,UAAU,CAACN,MAA3B,EAAmCD,CAAC,IAAI,CAAxC,EAA2C;AACzCD,MAAAA,IAAG,GAAGQ,UAAU,CAACP,CAAD,CAAhB;AACAE,MAAAA,gBAAgB,CAACH,IAAD,CAAhB,GAAwBd,YAAY,CAACU,GAAG,CAACI,IAAD,CAAJ,EAAWH,KAAX,EAAkBC,gBAAlB,EAAoCC,QAApC,EAA8CC,IAA9C,CAApC;AACD;;AACDH,IAAAA,KAAK,CAACS,GAAN;AACAR,IAAAA,gBAAgB,CAACQ,GAAjB;AACD,GAnBD,MAmBO;AACLH,IAAAA,gBAAgB,GAAGP,GAAnB;AACD;;AACD,SAAOO,gBAAP;AACD","sourcesContent":["import Diff from './base';\nimport {lineDiff} from './line';\n\nconst objectPrototypeToString = Object.prototype.toString;\n\n\nexport const jsonDiff = new Diff();\n// Discriminate between two lines of pretty-printed, serialized JSON where one of them has a\n// dangling comma and the other doesn't. Turns out including the dangling comma yields the nicest output:\njsonDiff.useLongestToken = true;\n\njsonDiff.tokenize = lineDiff.tokenize;\njsonDiff.castInput = function(value) {\n  const {undefinedReplacement, stringifyReplacer = (k, v) => typeof v === 'undefined' ? undefinedReplacement : v} = this.options;\n\n  return typeof value === 'string' ? value : JSON.stringify(canonicalize(value, null, null, stringifyReplacer), stringifyReplacer, '  ');\n};\njsonDiff.equals = function(left, right) {\n  return Diff.prototype.equals.call(jsonDiff, left.replace(/,([\\r\\n])/g, '$1'), right.replace(/,([\\r\\n])/g, '$1'));\n};\n\nexport function diffJson(oldObj, newObj, options) { return jsonDiff.diff(oldObj, newObj, options); }\n\n// This function handles the presence of circular references by bailing out when encountering an\n// object that is already on the \"stack\" of items being processed. Accepts an optional replacer\nexport function canonicalize(obj, stack, replacementStack, replacer, key) {\n  stack = stack || [];\n  replacementStack = replacementStack || [];\n\n  if (replacer) {\n    obj = replacer(key, obj);\n  }\n\n  let i;\n\n  for (i = 0; i < stack.length; i += 1) {\n    if (stack[i] === obj) {\n      return replacementStack[i];\n    }\n  }\n\n  let canonicalizedObj;\n\n  if ('[object Array]' === objectPrototypeToString.call(obj)) {\n    stack.push(obj);\n    canonicalizedObj = new Array(obj.length);\n    replacementStack.push(canonicalizedObj);\n    for (i = 0; i < obj.length; i += 1) {\n      canonicalizedObj[i] = canonicalize(obj[i], stack, replacementStack, replacer, key);\n    }\n    stack.pop();\n    replacementStack.pop();\n    return canonicalizedObj;\n  }\n\n  if (obj && obj.toJSON) {\n    obj = obj.toJSON();\n  }\n\n  if (typeof obj === 'object' && obj !== null) {\n    stack.push(obj);\n    canonicalizedObj = {};\n    replacementStack.push(canonicalizedObj);\n    let sortedKeys = [],\n        key;\n    for (key in obj) {\n      /* istanbul ignore else */\n      if (obj.hasOwnProperty(key)) {\n        sortedKeys.push(key);\n      }\n    }\n    sortedKeys.sort();\n    for (i = 0; i < sortedKeys.length; i += 1) {\n      key = sortedKeys[i];\n      canonicalizedObj[key] = canonicalize(obj[key], stack, replacementStack, replacer, key);\n    }\n    stack.pop();\n    replacementStack.pop();\n  } else {\n    canonicalizedObj = obj;\n  }\n  return canonicalizedObj;\n}\n"]}
diff --git a/node_modules/libnpmdiff/node_modules/diff/lib/diff/line.js b/node_modules/libnpmdiff/node_modules/diff/lib/diff/line.js
new file mode 100644
index 0000000000000..855fe30b9cc2c
--- /dev/null
+++ b/node_modules/libnpmdiff/node_modules/diff/lib/diff/line.js
@@ -0,0 +1,89 @@
+/*istanbul ignore start*/
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.diffLines = diffLines;
+exports.diffTrimmedLines = diffTrimmedLines;
+exports.lineDiff = void 0;
+
+/*istanbul ignore end*/
+var
+/*istanbul ignore start*/
+_base = _interopRequireDefault(require("./base"))
+/*istanbul ignore end*/
+;
+
+var
+/*istanbul ignore start*/
+_params = require("../util/params")
+/*istanbul ignore end*/
+;
+
+/*istanbul ignore start*/ function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+/*istanbul ignore end*/
+var lineDiff = new
+/*istanbul ignore start*/
+_base
+/*istanbul ignore end*/
+[
+/*istanbul ignore start*/
+"default"
+/*istanbul ignore end*/
+]();
+
+/*istanbul ignore start*/
+exports.lineDiff = lineDiff;
+
+/*istanbul ignore end*/
+lineDiff.tokenize = function (value) {
+  var retLines = [],
+      linesAndNewlines = value.split(/(\n|\r\n)/); // Ignore the final empty token that occurs if the string ends with a new line
+
+  if (!linesAndNewlines[linesAndNewlines.length - 1]) {
+    linesAndNewlines.pop();
+  } // Merge the content and line separators into single tokens
+
+
+  for (var i = 0; i < linesAndNewlines.length; i++) {
+    var line = linesAndNewlines[i];
+
+    if (i % 2 && !this.options.newlineIsToken) {
+      retLines[retLines.length - 1] += line;
+    } else {
+      if (this.options.ignoreWhitespace) {
+        line = line.trim();
+      }
+
+      retLines.push(line);
+    }
+  }
+
+  return retLines;
+};
+
+function diffLines(oldStr, newStr, callback) {
+  return lineDiff.diff(oldStr, newStr, callback);
+}
+
+function diffTrimmedLines(oldStr, newStr, callback) {
+  var options =
+  /*istanbul ignore start*/
+  (0,
+  /*istanbul ignore end*/
+
+  /*istanbul ignore start*/
+  _params
+  /*istanbul ignore end*/
+  .
+  /*istanbul ignore start*/
+  generateOptions)
+  /*istanbul ignore end*/
+  (callback, {
+    ignoreWhitespace: true
+  });
+  return lineDiff.diff(oldStr, newStr, options);
+}
+//# sourceMappingURL=data:application/json;charset=utf-8;base64,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
diff --git a/node_modules/libnpmdiff/node_modules/diff/lib/diff/sentence.js b/node_modules/libnpmdiff/node_modules/diff/lib/diff/sentence.js
new file mode 100644
index 0000000000000..95158d6f58f9f
--- /dev/null
+++ b/node_modules/libnpmdiff/node_modules/diff/lib/diff/sentence.js
@@ -0,0 +1,41 @@
+/*istanbul ignore start*/
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.diffSentences = diffSentences;
+exports.sentenceDiff = void 0;
+
+/*istanbul ignore end*/
+var
+/*istanbul ignore start*/
+_base = _interopRequireDefault(require("./base"))
+/*istanbul ignore end*/
+;
+
+/*istanbul ignore start*/ function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+/*istanbul ignore end*/
+var sentenceDiff = new
+/*istanbul ignore start*/
+_base
+/*istanbul ignore end*/
+[
+/*istanbul ignore start*/
+"default"
+/*istanbul ignore end*/
+]();
+
+/*istanbul ignore start*/
+exports.sentenceDiff = sentenceDiff;
+
+/*istanbul ignore end*/
+sentenceDiff.tokenize = function (value) {
+  return value.split(/(\S.+?[.!?])(?=\s+|$)/);
+};
+
+function diffSentences(oldStr, newStr, callback) {
+  return sentenceDiff.diff(oldStr, newStr, callback);
+}
+//# sourceMappingURL=data:application/json;charset=utf-8;base64,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
diff --git a/node_modules/libnpmdiff/node_modules/diff/lib/diff/word.js b/node_modules/libnpmdiff/node_modules/diff/lib/diff/word.js
new file mode 100644
index 0000000000000..cef7fe17befe6
--- /dev/null
+++ b/node_modules/libnpmdiff/node_modules/diff/lib/diff/word.js
@@ -0,0 +1,108 @@
+/*istanbul ignore start*/
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.diffWords = diffWords;
+exports.diffWordsWithSpace = diffWordsWithSpace;
+exports.wordDiff = void 0;
+
+/*istanbul ignore end*/
+var
+/*istanbul ignore start*/
+_base = _interopRequireDefault(require("./base"))
+/*istanbul ignore end*/
+;
+
+var
+/*istanbul ignore start*/
+_params = require("../util/params")
+/*istanbul ignore end*/
+;
+
+/*istanbul ignore start*/ function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+/*istanbul ignore end*/
+// Based on https://en.wikipedia.org/wiki/Latin_script_in_Unicode
+//
+// Ranges and exceptions:
+// Latin-1 Supplement, 0080–00FF
+//  - U+00D7  × Multiplication sign
+//  - U+00F7  ÷ Division sign
+// Latin Extended-A, 0100–017F
+// Latin Extended-B, 0180–024F
+// IPA Extensions, 0250–02AF
+// Spacing Modifier Letters, 02B0–02FF
+//  - U+02C7  ˇ ˇ  Caron
+//  - U+02D8  ˘ ˘  Breve
+//  - U+02D9  ˙ ˙  Dot Above
+//  - U+02DA  ˚ ˚  Ring Above
+//  - U+02DB  ˛ ˛  Ogonek
+//  - U+02DC  ˜ ˜  Small Tilde
+//  - U+02DD  ˝ ˝  Double Acute Accent
+// Latin Extended Additional, 1E00–1EFF
+var extendedWordChars = /^[A-Za-z\xC0-\u02C6\u02C8-\u02D7\u02DE-\u02FF\u1E00-\u1EFF]+$/;
+var reWhitespace = /\S/;
+var wordDiff = new
+/*istanbul ignore start*/
+_base
+/*istanbul ignore end*/
+[
+/*istanbul ignore start*/
+"default"
+/*istanbul ignore end*/
+]();
+
+/*istanbul ignore start*/
+exports.wordDiff = wordDiff;
+
+/*istanbul ignore end*/
+wordDiff.equals = function (left, right) {
+  if (this.options.ignoreCase) {
+    left = left.toLowerCase();
+    right = right.toLowerCase();
+  }
+
+  return left === right || this.options.ignoreWhitespace && !reWhitespace.test(left) && !reWhitespace.test(right);
+};
+
+wordDiff.tokenize = function (value) {
+  // All whitespace symbols except newline group into one token, each newline - in separate token
+  var tokens = value.split(/([^\S\r\n]+|[()[\]{}'"\r\n]|\b)/); // Join the boundary splits that we do not consider to be boundaries. This is primarily the extended Latin character set.
+
+  for (var i = 0; i < tokens.length - 1; i++) {
+    // If we have an empty string in the next field and we have only word chars before and after, merge
+    if (!tokens[i + 1] && tokens[i + 2] && extendedWordChars.test(tokens[i]) && extendedWordChars.test(tokens[i + 2])) {
+      tokens[i] += tokens[i + 2];
+      tokens.splice(i + 1, 2);
+      i--;
+    }
+  }
+
+  return tokens;
+};
+
+function diffWords(oldStr, newStr, options) {
+  options =
+  /*istanbul ignore start*/
+  (0,
+  /*istanbul ignore end*/
+
+  /*istanbul ignore start*/
+  _params
+  /*istanbul ignore end*/
+  .
+  /*istanbul ignore start*/
+  generateOptions)
+  /*istanbul ignore end*/
+  (options, {
+    ignoreWhitespace: true
+  });
+  return wordDiff.diff(oldStr, newStr, options);
+}
+
+function diffWordsWithSpace(oldStr, newStr, options) {
+  return wordDiff.diff(oldStr, newStr, options);
+}
+//# sourceMappingURL=data:application/json;charset=utf-8;base64,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
diff --git a/node_modules/libnpmdiff/node_modules/diff/lib/index.es6.js b/node_modules/libnpmdiff/node_modules/diff/lib/index.es6.js
new file mode 100644
index 0000000000000..ca0e5917c44a4
--- /dev/null
+++ b/node_modules/libnpmdiff/node_modules/diff/lib/index.es6.js
@@ -0,0 +1,1553 @@
+function Diff() {}
+Diff.prototype = {
+  diff: function diff(oldString, newString) {
+    var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+    var callback = options.callback;
+
+    if (typeof options === 'function') {
+      callback = options;
+      options = {};
+    }
+
+    this.options = options;
+    var self = this;
+
+    function done(value) {
+      if (callback) {
+        setTimeout(function () {
+          callback(undefined, value);
+        }, 0);
+        return true;
+      } else {
+        return value;
+      }
+    } // Allow subclasses to massage the input prior to running
+
+
+    oldString = this.castInput(oldString);
+    newString = this.castInput(newString);
+    oldString = this.removeEmpty(this.tokenize(oldString));
+    newString = this.removeEmpty(this.tokenize(newString));
+    var newLen = newString.length,
+        oldLen = oldString.length;
+    var editLength = 1;
+    var maxEditLength = newLen + oldLen;
+    var bestPath = [{
+      newPos: -1,
+      components: []
+    }]; // Seed editLength = 0, i.e. the content starts with the same values
+
+    var oldPos = this.extractCommon(bestPath[0], newString, oldString, 0);
+
+    if (bestPath[0].newPos + 1 >= newLen && oldPos + 1 >= oldLen) {
+      // Identity per the equality and tokenizer
+      return done([{
+        value: this.join(newString),
+        count: newString.length
+      }]);
+    } // Main worker method. checks all permutations of a given edit length for acceptance.
+
+
+    function execEditLength() {
+      for (var diagonalPath = -1 * editLength; diagonalPath <= editLength; diagonalPath += 2) {
+        var basePath = void 0;
+
+        var addPath = bestPath[diagonalPath - 1],
+            removePath = bestPath[diagonalPath + 1],
+            _oldPos = (removePath ? removePath.newPos : 0) - diagonalPath;
+
+        if (addPath) {
+          // No one else is going to attempt to use this value, clear it
+          bestPath[diagonalPath - 1] = undefined;
+        }
+
+        var canAdd = addPath && addPath.newPos + 1 < newLen,
+            canRemove = removePath && 0 <= _oldPos && _oldPos < oldLen;
+
+        if (!canAdd && !canRemove) {
+          // If this path is a terminal then prune
+          bestPath[diagonalPath] = undefined;
+          continue;
+        } // Select the diagonal that we want to branch from. We select the prior
+        // path whose position in the new string is the farthest from the origin
+        // and does not pass the bounds of the diff graph
+
+
+        if (!canAdd || canRemove && addPath.newPos < removePath.newPos) {
+          basePath = clonePath(removePath);
+          self.pushComponent(basePath.components, undefined, true);
+        } else {
+          basePath = addPath; // No need to clone, we've pulled it from the list
+
+          basePath.newPos++;
+          self.pushComponent(basePath.components, true, undefined);
+        }
+
+        _oldPos = self.extractCommon(basePath, newString, oldString, diagonalPath); // If we have hit the end of both strings, then we are done
+
+        if (basePath.newPos + 1 >= newLen && _oldPos + 1 >= oldLen) {
+          return done(buildValues(self, basePath.components, newString, oldString, self.useLongestToken));
+        } else {
+          // Otherwise track this path as a potential candidate and continue.
+          bestPath[diagonalPath] = basePath;
+        }
+      }
+
+      editLength++;
+    } // Performs the length of edit iteration. Is a bit fugly as this has to support the
+    // sync and async mode which is never fun. Loops over execEditLength until a value
+    // is produced.
+
+
+    if (callback) {
+      (function exec() {
+        setTimeout(function () {
+          // This should not happen, but we want to be safe.
+
+          /* istanbul ignore next */
+          if (editLength > maxEditLength) {
+            return callback();
+          }
+
+          if (!execEditLength()) {
+            exec();
+          }
+        }, 0);
+      })();
+    } else {
+      while (editLength <= maxEditLength) {
+        var ret = execEditLength();
+
+        if (ret) {
+          return ret;
+        }
+      }
+    }
+  },
+  pushComponent: function pushComponent(components, added, removed) {
+    var last = components[components.length - 1];
+
+    if (last && last.added === added && last.removed === removed) {
+      // We need to clone here as the component clone operation is just
+      // as shallow array clone
+      components[components.length - 1] = {
+        count: last.count + 1,
+        added: added,
+        removed: removed
+      };
+    } else {
+      components.push({
+        count: 1,
+        added: added,
+        removed: removed
+      });
+    }
+  },
+  extractCommon: function extractCommon(basePath, newString, oldString, diagonalPath) {
+    var newLen = newString.length,
+        oldLen = oldString.length,
+        newPos = basePath.newPos,
+        oldPos = newPos - diagonalPath,
+        commonCount = 0;
+
+    while (newPos + 1 < newLen && oldPos + 1 < oldLen && this.equals(newString[newPos + 1], oldString[oldPos + 1])) {
+      newPos++;
+      oldPos++;
+      commonCount++;
+    }
+
+    if (commonCount) {
+      basePath.components.push({
+        count: commonCount
+      });
+    }
+
+    basePath.newPos = newPos;
+    return oldPos;
+  },
+  equals: function equals(left, right) {
+    if (this.options.comparator) {
+      return this.options.comparator(left, right);
+    } else {
+      return left === right || this.options.ignoreCase && left.toLowerCase() === right.toLowerCase();
+    }
+  },
+  removeEmpty: function removeEmpty(array) {
+    var ret = [];
+
+    for (var i = 0; i < array.length; i++) {
+      if (array[i]) {
+        ret.push(array[i]);
+      }
+    }
+
+    return ret;
+  },
+  castInput: function castInput(value) {
+    return value;
+  },
+  tokenize: function tokenize(value) {
+    return value.split('');
+  },
+  join: function join(chars) {
+    return chars.join('');
+  }
+};
+
+function buildValues(diff, components, newString, oldString, useLongestToken) {
+  var componentPos = 0,
+      componentLen = components.length,
+      newPos = 0,
+      oldPos = 0;
+
+  for (; componentPos < componentLen; componentPos++) {
+    var component = components[componentPos];
+
+    if (!component.removed) {
+      if (!component.added && useLongestToken) {
+        var value = newString.slice(newPos, newPos + component.count);
+        value = value.map(function (value, i) {
+          var oldValue = oldString[oldPos + i];
+          return oldValue.length > value.length ? oldValue : value;
+        });
+        component.value = diff.join(value);
+      } else {
+        component.value = diff.join(newString.slice(newPos, newPos + component.count));
+      }
+
+      newPos += component.count; // Common case
+
+      if (!component.added) {
+        oldPos += component.count;
+      }
+    } else {
+      component.value = diff.join(oldString.slice(oldPos, oldPos + component.count));
+      oldPos += component.count; // Reverse add and remove so removes are output first to match common convention
+      // The diffing algorithm is tied to add then remove output and this is the simplest
+      // route to get the desired output with minimal overhead.
+
+      if (componentPos && components[componentPos - 1].added) {
+        var tmp = components[componentPos - 1];
+        components[componentPos - 1] = components[componentPos];
+        components[componentPos] = tmp;
+      }
+    }
+  } // Special case handle for when one terminal is ignored (i.e. whitespace).
+  // For this case we merge the terminal into the prior string and drop the change.
+  // This is only available for string mode.
+
+
+  var lastComponent = components[componentLen - 1];
+
+  if (componentLen > 1 && typeof lastComponent.value === 'string' && (lastComponent.added || lastComponent.removed) && diff.equals('', lastComponent.value)) {
+    components[componentLen - 2].value += lastComponent.value;
+    components.pop();
+  }
+
+  return components;
+}
+
+function clonePath(path) {
+  return {
+    newPos: path.newPos,
+    components: path.components.slice(0)
+  };
+}
+
+var characterDiff = new Diff();
+function diffChars(oldStr, newStr, options) {
+  return characterDiff.diff(oldStr, newStr, options);
+}
+
+function generateOptions(options, defaults) {
+  if (typeof options === 'function') {
+    defaults.callback = options;
+  } else if (options) {
+    for (var name in options) {
+      /* istanbul ignore else */
+      if (options.hasOwnProperty(name)) {
+        defaults[name] = options[name];
+      }
+    }
+  }
+
+  return defaults;
+}
+
+//
+// Ranges and exceptions:
+// Latin-1 Supplement, 0080–00FF
+//  - U+00D7  × Multiplication sign
+//  - U+00F7  ÷ Division sign
+// Latin Extended-A, 0100–017F
+// Latin Extended-B, 0180–024F
+// IPA Extensions, 0250–02AF
+// Spacing Modifier Letters, 02B0–02FF
+//  - U+02C7  ˇ ˇ  Caron
+//  - U+02D8  ˘ ˘  Breve
+//  - U+02D9  ˙ ˙  Dot Above
+//  - U+02DA  ˚ ˚  Ring Above
+//  - U+02DB  ˛ ˛  Ogonek
+//  - U+02DC  ˜ ˜  Small Tilde
+//  - U+02DD  ˝ ˝  Double Acute Accent
+// Latin Extended Additional, 1E00–1EFF
+
+var extendedWordChars = /^[A-Za-z\xC0-\u02C6\u02C8-\u02D7\u02DE-\u02FF\u1E00-\u1EFF]+$/;
+var reWhitespace = /\S/;
+var wordDiff = new Diff();
+
+wordDiff.equals = function (left, right) {
+  if (this.options.ignoreCase) {
+    left = left.toLowerCase();
+    right = right.toLowerCase();
+  }
+
+  return left === right || this.options.ignoreWhitespace && !reWhitespace.test(left) && !reWhitespace.test(right);
+};
+
+wordDiff.tokenize = function (value) {
+  // All whitespace symbols except newline group into one token, each newline - in separate token
+  var tokens = value.split(/([^\S\r\n]+|[()[\]{}'"\r\n]|\b)/); // Join the boundary splits that we do not consider to be boundaries. This is primarily the extended Latin character set.
+
+  for (var i = 0; i < tokens.length - 1; i++) {
+    // If we have an empty string in the next field and we have only word chars before and after, merge
+    if (!tokens[i + 1] && tokens[i + 2] && extendedWordChars.test(tokens[i]) && extendedWordChars.test(tokens[i + 2])) {
+      tokens[i] += tokens[i + 2];
+      tokens.splice(i + 1, 2);
+      i--;
+    }
+  }
+
+  return tokens;
+};
+
+function diffWords(oldStr, newStr, options) {
+  options = generateOptions(options, {
+    ignoreWhitespace: true
+  });
+  return wordDiff.diff(oldStr, newStr, options);
+}
+function diffWordsWithSpace(oldStr, newStr, options) {
+  return wordDiff.diff(oldStr, newStr, options);
+}
+
+var lineDiff = new Diff();
+
+lineDiff.tokenize = function (value) {
+  var retLines = [],
+      linesAndNewlines = value.split(/(\n|\r\n)/); // Ignore the final empty token that occurs if the string ends with a new line
+
+  if (!linesAndNewlines[linesAndNewlines.length - 1]) {
+    linesAndNewlines.pop();
+  } // Merge the content and line separators into single tokens
+
+
+  for (var i = 0; i < linesAndNewlines.length; i++) {
+    var line = linesAndNewlines[i];
+
+    if (i % 2 && !this.options.newlineIsToken) {
+      retLines[retLines.length - 1] += line;
+    } else {
+      if (this.options.ignoreWhitespace) {
+        line = line.trim();
+      }
+
+      retLines.push(line);
+    }
+  }
+
+  return retLines;
+};
+
+function diffLines(oldStr, newStr, callback) {
+  return lineDiff.diff(oldStr, newStr, callback);
+}
+function diffTrimmedLines(oldStr, newStr, callback) {
+  var options = generateOptions(callback, {
+    ignoreWhitespace: true
+  });
+  return lineDiff.diff(oldStr, newStr, options);
+}
+
+var sentenceDiff = new Diff();
+
+sentenceDiff.tokenize = function (value) {
+  return value.split(/(\S.+?[.!?])(?=\s+|$)/);
+};
+
+function diffSentences(oldStr, newStr, callback) {
+  return sentenceDiff.diff(oldStr, newStr, callback);
+}
+
+var cssDiff = new Diff();
+
+cssDiff.tokenize = function (value) {
+  return value.split(/([{}:;,]|\s+)/);
+};
+
+function diffCss(oldStr, newStr, callback) {
+  return cssDiff.diff(oldStr, newStr, callback);
+}
+
+function _typeof(obj) {
+  "@babel/helpers - typeof";
+
+  if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
+    _typeof = function (obj) {
+      return typeof obj;
+    };
+  } else {
+    _typeof = function (obj) {
+      return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
+    };
+  }
+
+  return _typeof(obj);
+}
+
+function _toConsumableArray(arr) {
+  return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread();
+}
+
+function _arrayWithoutHoles(arr) {
+  if (Array.isArray(arr)) return _arrayLikeToArray(arr);
+}
+
+function _iterableToArray(iter) {
+  if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter);
+}
+
+function _unsupportedIterableToArray(o, minLen) {
+  if (!o) return;
+  if (typeof o === "string") return _arrayLikeToArray(o, minLen);
+  var n = Object.prototype.toString.call(o).slice(8, -1);
+  if (n === "Object" && o.constructor) n = o.constructor.name;
+  if (n === "Map" || n === "Set") return Array.from(o);
+  if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);
+}
+
+function _arrayLikeToArray(arr, len) {
+  if (len == null || len > arr.length) len = arr.length;
+
+  for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];
+
+  return arr2;
+}
+
+function _nonIterableSpread() {
+  throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
+}
+
+var objectPrototypeToString = Object.prototype.toString;
+var jsonDiff = new Diff(); // Discriminate between two lines of pretty-printed, serialized JSON where one of them has a
+// dangling comma and the other doesn't. Turns out including the dangling comma yields the nicest output:
+
+jsonDiff.useLongestToken = true;
+jsonDiff.tokenize = lineDiff.tokenize;
+
+jsonDiff.castInput = function (value) {
+  var _this$options = this.options,
+      undefinedReplacement = _this$options.undefinedReplacement,
+      _this$options$stringi = _this$options.stringifyReplacer,
+      stringifyReplacer = _this$options$stringi === void 0 ? function (k, v) {
+    return typeof v === 'undefined' ? undefinedReplacement : v;
+  } : _this$options$stringi;
+  return typeof value === 'string' ? value : JSON.stringify(canonicalize(value, null, null, stringifyReplacer), stringifyReplacer, '  ');
+};
+
+jsonDiff.equals = function (left, right) {
+  return Diff.prototype.equals.call(jsonDiff, left.replace(/,([\r\n])/g, '$1'), right.replace(/,([\r\n])/g, '$1'));
+};
+
+function diffJson(oldObj, newObj, options) {
+  return jsonDiff.diff(oldObj, newObj, options);
+} // This function handles the presence of circular references by bailing out when encountering an
+// object that is already on the "stack" of items being processed. Accepts an optional replacer
+
+function canonicalize(obj, stack, replacementStack, replacer, key) {
+  stack = stack || [];
+  replacementStack = replacementStack || [];
+
+  if (replacer) {
+    obj = replacer(key, obj);
+  }
+
+  var i;
+
+  for (i = 0; i < stack.length; i += 1) {
+    if (stack[i] === obj) {
+      return replacementStack[i];
+    }
+  }
+
+  var canonicalizedObj;
+
+  if ('[object Array]' === objectPrototypeToString.call(obj)) {
+    stack.push(obj);
+    canonicalizedObj = new Array(obj.length);
+    replacementStack.push(canonicalizedObj);
+
+    for (i = 0; i < obj.length; i += 1) {
+      canonicalizedObj[i] = canonicalize(obj[i], stack, replacementStack, replacer, key);
+    }
+
+    stack.pop();
+    replacementStack.pop();
+    return canonicalizedObj;
+  }
+
+  if (obj && obj.toJSON) {
+    obj = obj.toJSON();
+  }
+
+  if (_typeof(obj) === 'object' && obj !== null) {
+    stack.push(obj);
+    canonicalizedObj = {};
+    replacementStack.push(canonicalizedObj);
+
+    var sortedKeys = [],
+        _key;
+
+    for (_key in obj) {
+      /* istanbul ignore else */
+      if (obj.hasOwnProperty(_key)) {
+        sortedKeys.push(_key);
+      }
+    }
+
+    sortedKeys.sort();
+
+    for (i = 0; i < sortedKeys.length; i += 1) {
+      _key = sortedKeys[i];
+      canonicalizedObj[_key] = canonicalize(obj[_key], stack, replacementStack, replacer, _key);
+    }
+
+    stack.pop();
+    replacementStack.pop();
+  } else {
+    canonicalizedObj = obj;
+  }
+
+  return canonicalizedObj;
+}
+
+var arrayDiff = new Diff();
+
+arrayDiff.tokenize = function (value) {
+  return value.slice();
+};
+
+arrayDiff.join = arrayDiff.removeEmpty = function (value) {
+  return value;
+};
+
+function diffArrays(oldArr, newArr, callback) {
+  return arrayDiff.diff(oldArr, newArr, callback);
+}
+
+function parsePatch(uniDiff) {
+  var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+  var diffstr = uniDiff.split(/\r\n|[\n\v\f\r\x85]/),
+      delimiters = uniDiff.match(/\r\n|[\n\v\f\r\x85]/g) || [],
+      list = [],
+      i = 0;
+
+  function parseIndex() {
+    var index = {};
+    list.push(index); // Parse diff metadata
+
+    while (i < diffstr.length) {
+      var line = diffstr[i]; // File header found, end parsing diff metadata
+
+      if (/^(\-\-\-|\+\+\+|@@)\s/.test(line)) {
+        break;
+      } // Diff index
+
+
+      var header = /^(?:Index:|diff(?: -r \w+)+)\s+(.+?)\s*$/.exec(line);
+
+      if (header) {
+        index.index = header[1];
+      }
+
+      i++;
+    } // Parse file headers if they are defined. Unified diff requires them, but
+    // there's no technical issues to have an isolated hunk without file header
+
+
+    parseFileHeader(index);
+    parseFileHeader(index); // Parse hunks
+
+    index.hunks = [];
+
+    while (i < diffstr.length) {
+      var _line = diffstr[i];
+
+      if (/^(Index:|diff|\-\-\-|\+\+\+)\s/.test(_line)) {
+        break;
+      } else if (/^@@/.test(_line)) {
+        index.hunks.push(parseHunk());
+      } else if (_line && options.strict) {
+        // Ignore unexpected content unless in strict mode
+        throw new Error('Unknown line ' + (i + 1) + ' ' + JSON.stringify(_line));
+      } else {
+        i++;
+      }
+    }
+  } // Parses the --- and +++ headers, if none are found, no lines
+  // are consumed.
+
+
+  function parseFileHeader(index) {
+    var fileHeader = /^(---|\+\+\+)\s+(.*)$/.exec(diffstr[i]);
+
+    if (fileHeader) {
+      var keyPrefix = fileHeader[1] === '---' ? 'old' : 'new';
+      var data = fileHeader[2].split('\t', 2);
+      var fileName = data[0].replace(/\\\\/g, '\\');
+
+      if (/^".*"$/.test(fileName)) {
+        fileName = fileName.substr(1, fileName.length - 2);
+      }
+
+      index[keyPrefix + 'FileName'] = fileName;
+      index[keyPrefix + 'Header'] = (data[1] || '').trim();
+      i++;
+    }
+  } // Parses a hunk
+  // This assumes that we are at the start of a hunk.
+
+
+  function parseHunk() {
+    var chunkHeaderIndex = i,
+        chunkHeaderLine = diffstr[i++],
+        chunkHeader = chunkHeaderLine.split(/@@ -(\d+)(?:,(\d+))? \+(\d+)(?:,(\d+))? @@/);
+    var hunk = {
+      oldStart: +chunkHeader[1],
+      oldLines: typeof chunkHeader[2] === 'undefined' ? 1 : +chunkHeader[2],
+      newStart: +chunkHeader[3],
+      newLines: typeof chunkHeader[4] === 'undefined' ? 1 : +chunkHeader[4],
+      lines: [],
+      linedelimiters: []
+    }; // Unified Diff Format quirk: If the chunk size is 0,
+    // the first number is one lower than one would expect.
+    // https://www.artima.com/weblogs/viewpost.jsp?thread=164293
+
+    if (hunk.oldLines === 0) {
+      hunk.oldStart += 1;
+    }
+
+    if (hunk.newLines === 0) {
+      hunk.newStart += 1;
+    }
+
+    var addCount = 0,
+        removeCount = 0;
+
+    for (; i < diffstr.length; i++) {
+      // Lines starting with '---' could be mistaken for the "remove line" operation
+      // But they could be the header for the next file. Therefore prune such cases out.
+      if (diffstr[i].indexOf('--- ') === 0 && i + 2 < diffstr.length && diffstr[i + 1].indexOf('+++ ') === 0 && diffstr[i + 2].indexOf('@@') === 0) {
+        break;
+      }
+
+      var operation = diffstr[i].length == 0 && i != diffstr.length - 1 ? ' ' : diffstr[i][0];
+
+      if (operation === '+' || operation === '-' || operation === ' ' || operation === '\\') {
+        hunk.lines.push(diffstr[i]);
+        hunk.linedelimiters.push(delimiters[i] || '\n');
+
+        if (operation === '+') {
+          addCount++;
+        } else if (operation === '-') {
+          removeCount++;
+        } else if (operation === ' ') {
+          addCount++;
+          removeCount++;
+        }
+      } else {
+        break;
+      }
+    } // Handle the empty block count case
+
+
+    if (!addCount && hunk.newLines === 1) {
+      hunk.newLines = 0;
+    }
+
+    if (!removeCount && hunk.oldLines === 1) {
+      hunk.oldLines = 0;
+    } // Perform optional sanity checking
+
+
+    if (options.strict) {
+      if (addCount !== hunk.newLines) {
+        throw new Error('Added line count did not match for hunk at line ' + (chunkHeaderIndex + 1));
+      }
+
+      if (removeCount !== hunk.oldLines) {
+        throw new Error('Removed line count did not match for hunk at line ' + (chunkHeaderIndex + 1));
+      }
+    }
+
+    return hunk;
+  }
+
+  while (i < diffstr.length) {
+    parseIndex();
+  }
+
+  return list;
+}
+
+// Iterator that traverses in the range of [min, max], stepping
+// by distance from a given start position. I.e. for [0, 4], with
+// start of 2, this will iterate 2, 3, 1, 4, 0.
+function distanceIterator (start, minLine, maxLine) {
+  var wantForward = true,
+      backwardExhausted = false,
+      forwardExhausted = false,
+      localOffset = 1;
+  return function iterator() {
+    if (wantForward && !forwardExhausted) {
+      if (backwardExhausted) {
+        localOffset++;
+      } else {
+        wantForward = false;
+      } // Check if trying to fit beyond text length, and if not, check it fits
+      // after offset location (or desired location on first iteration)
+
+
+      if (start + localOffset <= maxLine) {
+        return localOffset;
+      }
+
+      forwardExhausted = true;
+    }
+
+    if (!backwardExhausted) {
+      if (!forwardExhausted) {
+        wantForward = true;
+      } // Check if trying to fit before text beginning, and if not, check it fits
+      // before offset location
+
+
+      if (minLine <= start - localOffset) {
+        return -localOffset++;
+      }
+
+      backwardExhausted = true;
+      return iterator();
+    } // We tried to fit hunk before text beginning and beyond text length, then
+    // hunk can't fit on the text. Return undefined
+
+  };
+}
+
+function applyPatch(source, uniDiff) {
+  var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+
+  if (typeof uniDiff === 'string') {
+    uniDiff = parsePatch(uniDiff);
+  }
+
+  if (Array.isArray(uniDiff)) {
+    if (uniDiff.length > 1) {
+      throw new Error('applyPatch only works with a single input.');
+    }
+
+    uniDiff = uniDiff[0];
+  } // Apply the diff to the input
+
+
+  var lines = source.split(/\r\n|[\n\v\f\r\x85]/),
+      delimiters = source.match(/\r\n|[\n\v\f\r\x85]/g) || [],
+      hunks = uniDiff.hunks,
+      compareLine = options.compareLine || function (lineNumber, line, operation, patchContent) {
+    return line === patchContent;
+  },
+      errorCount = 0,
+      fuzzFactor = options.fuzzFactor || 0,
+      minLine = 0,
+      offset = 0,
+      removeEOFNL,
+      addEOFNL;
+  /**
+   * Checks if the hunk exactly fits on the provided location
+   */
+
+
+  function hunkFits(hunk, toPos) {
+    for (var j = 0; j < hunk.lines.length; j++) {
+      var line = hunk.lines[j],
+          operation = line.length > 0 ? line[0] : ' ',
+          content = line.length > 0 ? line.substr(1) : line;
+
+      if (operation === ' ' || operation === '-') {
+        // Context sanity check
+        if (!compareLine(toPos + 1, lines[toPos], operation, content)) {
+          errorCount++;
+
+          if (errorCount > fuzzFactor) {
+            return false;
+          }
+        }
+
+        toPos++;
+      }
+    }
+
+    return true;
+  } // Search best fit offsets for each hunk based on the previous ones
+
+
+  for (var i = 0; i < hunks.length; i++) {
+    var hunk = hunks[i],
+        maxLine = lines.length - hunk.oldLines,
+        localOffset = 0,
+        toPos = offset + hunk.oldStart - 1;
+    var iterator = distanceIterator(toPos, minLine, maxLine);
+
+    for (; localOffset !== undefined; localOffset = iterator()) {
+      if (hunkFits(hunk, toPos + localOffset)) {
+        hunk.offset = offset += localOffset;
+        break;
+      }
+    }
+
+    if (localOffset === undefined) {
+      return false;
+    } // Set lower text limit to end of the current hunk, so next ones don't try
+    // to fit over already patched text
+
+
+    minLine = hunk.offset + hunk.oldStart + hunk.oldLines;
+  } // Apply patch hunks
+
+
+  var diffOffset = 0;
+
+  for (var _i = 0; _i < hunks.length; _i++) {
+    var _hunk = hunks[_i],
+        _toPos = _hunk.oldStart + _hunk.offset + diffOffset - 1;
+
+    diffOffset += _hunk.newLines - _hunk.oldLines;
+
+    for (var j = 0; j < _hunk.lines.length; j++) {
+      var line = _hunk.lines[j],
+          operation = line.length > 0 ? line[0] : ' ',
+          content = line.length > 0 ? line.substr(1) : line,
+          delimiter = _hunk.linedelimiters[j];
+
+      if (operation === ' ') {
+        _toPos++;
+      } else if (operation === '-') {
+        lines.splice(_toPos, 1);
+        delimiters.splice(_toPos, 1);
+        /* istanbul ignore else */
+      } else if (operation === '+') {
+        lines.splice(_toPos, 0, content);
+        delimiters.splice(_toPos, 0, delimiter);
+        _toPos++;
+      } else if (operation === '\\') {
+        var previousOperation = _hunk.lines[j - 1] ? _hunk.lines[j - 1][0] : null;
+
+        if (previousOperation === '+') {
+          removeEOFNL = true;
+        } else if (previousOperation === '-') {
+          addEOFNL = true;
+        }
+      }
+    }
+  } // Handle EOFNL insertion/removal
+
+
+  if (removeEOFNL) {
+    while (!lines[lines.length - 1]) {
+      lines.pop();
+      delimiters.pop();
+    }
+  } else if (addEOFNL) {
+    lines.push('');
+    delimiters.push('\n');
+  }
+
+  for (var _k = 0; _k < lines.length - 1; _k++) {
+    lines[_k] = lines[_k] + delimiters[_k];
+  }
+
+  return lines.join('');
+} // Wrapper that supports multiple file patches via callbacks.
+
+function applyPatches(uniDiff, options) {
+  if (typeof uniDiff === 'string') {
+    uniDiff = parsePatch(uniDiff);
+  }
+
+  var currentIndex = 0;
+
+  function processIndex() {
+    var index = uniDiff[currentIndex++];
+
+    if (!index) {
+      return options.complete();
+    }
+
+    options.loadFile(index, function (err, data) {
+      if (err) {
+        return options.complete(err);
+      }
+
+      var updatedContent = applyPatch(data, index, options);
+      options.patched(index, updatedContent, function (err) {
+        if (err) {
+          return options.complete(err);
+        }
+
+        processIndex();
+      });
+    });
+  }
+
+  processIndex();
+}
+
+function structuredPatch(oldFileName, newFileName, oldStr, newStr, oldHeader, newHeader, options) {
+  if (!options) {
+    options = {};
+  }
+
+  if (typeof options.context === 'undefined') {
+    options.context = 4;
+  }
+
+  var diff = diffLines(oldStr, newStr, options);
+  diff.push({
+    value: '',
+    lines: []
+  }); // Append an empty value to make cleanup easier
+
+  function contextLines(lines) {
+    return lines.map(function (entry) {
+      return ' ' + entry;
+    });
+  }
+
+  var hunks = [];
+  var oldRangeStart = 0,
+      newRangeStart = 0,
+      curRange = [],
+      oldLine = 1,
+      newLine = 1;
+
+  var _loop = function _loop(i) {
+    var current = diff[i],
+        lines = current.lines || current.value.replace(/\n$/, '').split('\n');
+    current.lines = lines;
+
+    if (current.added || current.removed) {
+      var _curRange;
+
+      // If we have previous context, start with that
+      if (!oldRangeStart) {
+        var prev = diff[i - 1];
+        oldRangeStart = oldLine;
+        newRangeStart = newLine;
+
+        if (prev) {
+          curRange = options.context > 0 ? contextLines(prev.lines.slice(-options.context)) : [];
+          oldRangeStart -= curRange.length;
+          newRangeStart -= curRange.length;
+        }
+      } // Output our changes
+
+
+      (_curRange = curRange).push.apply(_curRange, _toConsumableArray(lines.map(function (entry) {
+        return (current.added ? '+' : '-') + entry;
+      }))); // Track the updated file position
+
+
+      if (current.added) {
+        newLine += lines.length;
+      } else {
+        oldLine += lines.length;
+      }
+    } else {
+      // Identical context lines. Track line changes
+      if (oldRangeStart) {
+        // Close out any changes that have been output (or join overlapping)
+        if (lines.length <= options.context * 2 && i < diff.length - 2) {
+          var _curRange2;
+
+          // Overlapping
+          (_curRange2 = curRange).push.apply(_curRange2, _toConsumableArray(contextLines(lines)));
+        } else {
+          var _curRange3;
+
+          // end the range and output
+          var contextSize = Math.min(lines.length, options.context);
+
+          (_curRange3 = curRange).push.apply(_curRange3, _toConsumableArray(contextLines(lines.slice(0, contextSize))));
+
+          var hunk = {
+            oldStart: oldRangeStart,
+            oldLines: oldLine - oldRangeStart + contextSize,
+            newStart: newRangeStart,
+            newLines: newLine - newRangeStart + contextSize,
+            lines: curRange
+          };
+
+          if (i >= diff.length - 2 && lines.length <= options.context) {
+            // EOF is inside this hunk
+            var oldEOFNewline = /\n$/.test(oldStr);
+            var newEOFNewline = /\n$/.test(newStr);
+            var noNlBeforeAdds = lines.length == 0 && curRange.length > hunk.oldLines;
+
+            if (!oldEOFNewline && noNlBeforeAdds && oldStr.length > 0) {
+              // special case: old has no eol and no trailing context; no-nl can end up before adds
+              // however, if the old file is empty, do not output the no-nl line
+              curRange.splice(hunk.oldLines, 0, '\\ No newline at end of file');
+            }
+
+            if (!oldEOFNewline && !noNlBeforeAdds || !newEOFNewline) {
+              curRange.push('\\ No newline at end of file');
+            }
+          }
+
+          hunks.push(hunk);
+          oldRangeStart = 0;
+          newRangeStart = 0;
+          curRange = [];
+        }
+      }
+
+      oldLine += lines.length;
+      newLine += lines.length;
+    }
+  };
+
+  for (var i = 0; i < diff.length; i++) {
+    _loop(i);
+  }
+
+  return {
+    oldFileName: oldFileName,
+    newFileName: newFileName,
+    oldHeader: oldHeader,
+    newHeader: newHeader,
+    hunks: hunks
+  };
+}
+function formatPatch(diff) {
+  var ret = [];
+
+  if (diff.oldFileName == diff.newFileName) {
+    ret.push('Index: ' + diff.oldFileName);
+  }
+
+  ret.push('===================================================================');
+  ret.push('--- ' + diff.oldFileName + (typeof diff.oldHeader === 'undefined' ? '' : '\t' + diff.oldHeader));
+  ret.push('+++ ' + diff.newFileName + (typeof diff.newHeader === 'undefined' ? '' : '\t' + diff.newHeader));
+
+  for (var i = 0; i < diff.hunks.length; i++) {
+    var hunk = diff.hunks[i]; // Unified Diff Format quirk: If the chunk size is 0,
+    // the first number is one lower than one would expect.
+    // https://www.artima.com/weblogs/viewpost.jsp?thread=164293
+
+    if (hunk.oldLines === 0) {
+      hunk.oldStart -= 1;
+    }
+
+    if (hunk.newLines === 0) {
+      hunk.newStart -= 1;
+    }
+
+    ret.push('@@ -' + hunk.oldStart + ',' + hunk.oldLines + ' +' + hunk.newStart + ',' + hunk.newLines + ' @@');
+    ret.push.apply(ret, hunk.lines);
+  }
+
+  return ret.join('\n') + '\n';
+}
+function createTwoFilesPatch(oldFileName, newFileName, oldStr, newStr, oldHeader, newHeader, options) {
+  return formatPatch(structuredPatch(oldFileName, newFileName, oldStr, newStr, oldHeader, newHeader, options));
+}
+function createPatch(fileName, oldStr, newStr, oldHeader, newHeader, options) {
+  return createTwoFilesPatch(fileName, fileName, oldStr, newStr, oldHeader, newHeader, options);
+}
+
+function arrayEqual(a, b) {
+  if (a.length !== b.length) {
+    return false;
+  }
+
+  return arrayStartsWith(a, b);
+}
+function arrayStartsWith(array, start) {
+  if (start.length > array.length) {
+    return false;
+  }
+
+  for (var i = 0; i < start.length; i++) {
+    if (start[i] !== array[i]) {
+      return false;
+    }
+  }
+
+  return true;
+}
+
+function calcLineCount(hunk) {
+  var _calcOldNewLineCount = calcOldNewLineCount(hunk.lines),
+      oldLines = _calcOldNewLineCount.oldLines,
+      newLines = _calcOldNewLineCount.newLines;
+
+  if (oldLines !== undefined) {
+    hunk.oldLines = oldLines;
+  } else {
+    delete hunk.oldLines;
+  }
+
+  if (newLines !== undefined) {
+    hunk.newLines = newLines;
+  } else {
+    delete hunk.newLines;
+  }
+}
+function merge(mine, theirs, base) {
+  mine = loadPatch(mine, base);
+  theirs = loadPatch(theirs, base);
+  var ret = {}; // For index we just let it pass through as it doesn't have any necessary meaning.
+  // Leaving sanity checks on this to the API consumer that may know more about the
+  // meaning in their own context.
+
+  if (mine.index || theirs.index) {
+    ret.index = mine.index || theirs.index;
+  }
+
+  if (mine.newFileName || theirs.newFileName) {
+    if (!fileNameChanged(mine)) {
+      // No header or no change in ours, use theirs (and ours if theirs does not exist)
+      ret.oldFileName = theirs.oldFileName || mine.oldFileName;
+      ret.newFileName = theirs.newFileName || mine.newFileName;
+      ret.oldHeader = theirs.oldHeader || mine.oldHeader;
+      ret.newHeader = theirs.newHeader || mine.newHeader;
+    } else if (!fileNameChanged(theirs)) {
+      // No header or no change in theirs, use ours
+      ret.oldFileName = mine.oldFileName;
+      ret.newFileName = mine.newFileName;
+      ret.oldHeader = mine.oldHeader;
+      ret.newHeader = mine.newHeader;
+    } else {
+      // Both changed... figure it out
+      ret.oldFileName = selectField(ret, mine.oldFileName, theirs.oldFileName);
+      ret.newFileName = selectField(ret, mine.newFileName, theirs.newFileName);
+      ret.oldHeader = selectField(ret, mine.oldHeader, theirs.oldHeader);
+      ret.newHeader = selectField(ret, mine.newHeader, theirs.newHeader);
+    }
+  }
+
+  ret.hunks = [];
+  var mineIndex = 0,
+      theirsIndex = 0,
+      mineOffset = 0,
+      theirsOffset = 0;
+
+  while (mineIndex < mine.hunks.length || theirsIndex < theirs.hunks.length) {
+    var mineCurrent = mine.hunks[mineIndex] || {
+      oldStart: Infinity
+    },
+        theirsCurrent = theirs.hunks[theirsIndex] || {
+      oldStart: Infinity
+    };
+
+    if (hunkBefore(mineCurrent, theirsCurrent)) {
+      // This patch does not overlap with any of the others, yay.
+      ret.hunks.push(cloneHunk(mineCurrent, mineOffset));
+      mineIndex++;
+      theirsOffset += mineCurrent.newLines - mineCurrent.oldLines;
+    } else if (hunkBefore(theirsCurrent, mineCurrent)) {
+      // This patch does not overlap with any of the others, yay.
+      ret.hunks.push(cloneHunk(theirsCurrent, theirsOffset));
+      theirsIndex++;
+      mineOffset += theirsCurrent.newLines - theirsCurrent.oldLines;
+    } else {
+      // Overlap, merge as best we can
+      var mergedHunk = {
+        oldStart: Math.min(mineCurrent.oldStart, theirsCurrent.oldStart),
+        oldLines: 0,
+        newStart: Math.min(mineCurrent.newStart + mineOffset, theirsCurrent.oldStart + theirsOffset),
+        newLines: 0,
+        lines: []
+      };
+      mergeLines(mergedHunk, mineCurrent.oldStart, mineCurrent.lines, theirsCurrent.oldStart, theirsCurrent.lines);
+      theirsIndex++;
+      mineIndex++;
+      ret.hunks.push(mergedHunk);
+    }
+  }
+
+  return ret;
+}
+
+function loadPatch(param, base) {
+  if (typeof param === 'string') {
+    if (/^@@/m.test(param) || /^Index:/m.test(param)) {
+      return parsePatch(param)[0];
+    }
+
+    if (!base) {
+      throw new Error('Must provide a base reference or pass in a patch');
+    }
+
+    return structuredPatch(undefined, undefined, base, param);
+  }
+
+  return param;
+}
+
+function fileNameChanged(patch) {
+  return patch.newFileName && patch.newFileName !== patch.oldFileName;
+}
+
+function selectField(index, mine, theirs) {
+  if (mine === theirs) {
+    return mine;
+  } else {
+    index.conflict = true;
+    return {
+      mine: mine,
+      theirs: theirs
+    };
+  }
+}
+
+function hunkBefore(test, check) {
+  return test.oldStart < check.oldStart && test.oldStart + test.oldLines < check.oldStart;
+}
+
+function cloneHunk(hunk, offset) {
+  return {
+    oldStart: hunk.oldStart,
+    oldLines: hunk.oldLines,
+    newStart: hunk.newStart + offset,
+    newLines: hunk.newLines,
+    lines: hunk.lines
+  };
+}
+
+function mergeLines(hunk, mineOffset, mineLines, theirOffset, theirLines) {
+  // This will generally result in a conflicted hunk, but there are cases where the context
+  // is the only overlap where we can successfully merge the content here.
+  var mine = {
+    offset: mineOffset,
+    lines: mineLines,
+    index: 0
+  },
+      their = {
+    offset: theirOffset,
+    lines: theirLines,
+    index: 0
+  }; // Handle any leading content
+
+  insertLeading(hunk, mine, their);
+  insertLeading(hunk, their, mine); // Now in the overlap content. Scan through and select the best changes from each.
+
+  while (mine.index < mine.lines.length && their.index < their.lines.length) {
+    var mineCurrent = mine.lines[mine.index],
+        theirCurrent = their.lines[their.index];
+
+    if ((mineCurrent[0] === '-' || mineCurrent[0] === '+') && (theirCurrent[0] === '-' || theirCurrent[0] === '+')) {
+      // Both modified ...
+      mutualChange(hunk, mine, their);
+    } else if (mineCurrent[0] === '+' && theirCurrent[0] === ' ') {
+      var _hunk$lines;
+
+      // Mine inserted
+      (_hunk$lines = hunk.lines).push.apply(_hunk$lines, _toConsumableArray(collectChange(mine)));
+    } else if (theirCurrent[0] === '+' && mineCurrent[0] === ' ') {
+      var _hunk$lines2;
+
+      // Theirs inserted
+      (_hunk$lines2 = hunk.lines).push.apply(_hunk$lines2, _toConsumableArray(collectChange(their)));
+    } else if (mineCurrent[0] === '-' && theirCurrent[0] === ' ') {
+      // Mine removed or edited
+      removal(hunk, mine, their);
+    } else if (theirCurrent[0] === '-' && mineCurrent[0] === ' ') {
+      // Their removed or edited
+      removal(hunk, their, mine, true);
+    } else if (mineCurrent === theirCurrent) {
+      // Context identity
+      hunk.lines.push(mineCurrent);
+      mine.index++;
+      their.index++;
+    } else {
+      // Context mismatch
+      conflict(hunk, collectChange(mine), collectChange(their));
+    }
+  } // Now push anything that may be remaining
+
+
+  insertTrailing(hunk, mine);
+  insertTrailing(hunk, their);
+  calcLineCount(hunk);
+}
+
+function mutualChange(hunk, mine, their) {
+  var myChanges = collectChange(mine),
+      theirChanges = collectChange(their);
+
+  if (allRemoves(myChanges) && allRemoves(theirChanges)) {
+    // Special case for remove changes that are supersets of one another
+    if (arrayStartsWith(myChanges, theirChanges) && skipRemoveSuperset(their, myChanges, myChanges.length - theirChanges.length)) {
+      var _hunk$lines3;
+
+      (_hunk$lines3 = hunk.lines).push.apply(_hunk$lines3, _toConsumableArray(myChanges));
+
+      return;
+    } else if (arrayStartsWith(theirChanges, myChanges) && skipRemoveSuperset(mine, theirChanges, theirChanges.length - myChanges.length)) {
+      var _hunk$lines4;
+
+      (_hunk$lines4 = hunk.lines).push.apply(_hunk$lines4, _toConsumableArray(theirChanges));
+
+      return;
+    }
+  } else if (arrayEqual(myChanges, theirChanges)) {
+    var _hunk$lines5;
+
+    (_hunk$lines5 = hunk.lines).push.apply(_hunk$lines5, _toConsumableArray(myChanges));
+
+    return;
+  }
+
+  conflict(hunk, myChanges, theirChanges);
+}
+
+function removal(hunk, mine, their, swap) {
+  var myChanges = collectChange(mine),
+      theirChanges = collectContext(their, myChanges);
+
+  if (theirChanges.merged) {
+    var _hunk$lines6;
+
+    (_hunk$lines6 = hunk.lines).push.apply(_hunk$lines6, _toConsumableArray(theirChanges.merged));
+  } else {
+    conflict(hunk, swap ? theirChanges : myChanges, swap ? myChanges : theirChanges);
+  }
+}
+
+function conflict(hunk, mine, their) {
+  hunk.conflict = true;
+  hunk.lines.push({
+    conflict: true,
+    mine: mine,
+    theirs: their
+  });
+}
+
+function insertLeading(hunk, insert, their) {
+  while (insert.offset < their.offset && insert.index < insert.lines.length) {
+    var line = insert.lines[insert.index++];
+    hunk.lines.push(line);
+    insert.offset++;
+  }
+}
+
+function insertTrailing(hunk, insert) {
+  while (insert.index < insert.lines.length) {
+    var line = insert.lines[insert.index++];
+    hunk.lines.push(line);
+  }
+}
+
+function collectChange(state) {
+  var ret = [],
+      operation = state.lines[state.index][0];
+
+  while (state.index < state.lines.length) {
+    var line = state.lines[state.index]; // Group additions that are immediately after subtractions and treat them as one "atomic" modify change.
+
+    if (operation === '-' && line[0] === '+') {
+      operation = '+';
+    }
+
+    if (operation === line[0]) {
+      ret.push(line);
+      state.index++;
+    } else {
+      break;
+    }
+  }
+
+  return ret;
+}
+
+function collectContext(state, matchChanges) {
+  var changes = [],
+      merged = [],
+      matchIndex = 0,
+      contextChanges = false,
+      conflicted = false;
+
+  while (matchIndex < matchChanges.length && state.index < state.lines.length) {
+    var change = state.lines[state.index],
+        match = matchChanges[matchIndex]; // Once we've hit our add, then we are done
+
+    if (match[0] === '+') {
+      break;
+    }
+
+    contextChanges = contextChanges || change[0] !== ' ';
+    merged.push(match);
+    matchIndex++; // Consume any additions in the other block as a conflict to attempt
+    // to pull in the remaining context after this
+
+    if (change[0] === '+') {
+      conflicted = true;
+
+      while (change[0] === '+') {
+        changes.push(change);
+        change = state.lines[++state.index];
+      }
+    }
+
+    if (match.substr(1) === change.substr(1)) {
+      changes.push(change);
+      state.index++;
+    } else {
+      conflicted = true;
+    }
+  }
+
+  if ((matchChanges[matchIndex] || '')[0] === '+' && contextChanges) {
+    conflicted = true;
+  }
+
+  if (conflicted) {
+    return changes;
+  }
+
+  while (matchIndex < matchChanges.length) {
+    merged.push(matchChanges[matchIndex++]);
+  }
+
+  return {
+    merged: merged,
+    changes: changes
+  };
+}
+
+function allRemoves(changes) {
+  return changes.reduce(function (prev, change) {
+    return prev && change[0] === '-';
+  }, true);
+}
+
+function skipRemoveSuperset(state, removeChanges, delta) {
+  for (var i = 0; i < delta; i++) {
+    var changeContent = removeChanges[removeChanges.length - delta + i].substr(1);
+
+    if (state.lines[state.index + i] !== ' ' + changeContent) {
+      return false;
+    }
+  }
+
+  state.index += delta;
+  return true;
+}
+
+function calcOldNewLineCount(lines) {
+  var oldLines = 0;
+  var newLines = 0;
+  lines.forEach(function (line) {
+    if (typeof line !== 'string') {
+      var myCount = calcOldNewLineCount(line.mine);
+      var theirCount = calcOldNewLineCount(line.theirs);
+
+      if (oldLines !== undefined) {
+        if (myCount.oldLines === theirCount.oldLines) {
+          oldLines += myCount.oldLines;
+        } else {
+          oldLines = undefined;
+        }
+      }
+
+      if (newLines !== undefined) {
+        if (myCount.newLines === theirCount.newLines) {
+          newLines += myCount.newLines;
+        } else {
+          newLines = undefined;
+        }
+      }
+    } else {
+      if (newLines !== undefined && (line[0] === '+' || line[0] === ' ')) {
+        newLines++;
+      }
+
+      if (oldLines !== undefined && (line[0] === '-' || line[0] === ' ')) {
+        oldLines++;
+      }
+    }
+  });
+  return {
+    oldLines: oldLines,
+    newLines: newLines
+  };
+}
+
+// See: http://code.google.com/p/google-diff-match-patch/wiki/API
+function convertChangesToDMP(changes) {
+  var ret = [],
+      change,
+      operation;
+
+  for (var i = 0; i < changes.length; i++) {
+    change = changes[i];
+
+    if (change.added) {
+      operation = 1;
+    } else if (change.removed) {
+      operation = -1;
+    } else {
+      operation = 0;
+    }
+
+    ret.push([operation, change.value]);
+  }
+
+  return ret;
+}
+
+function convertChangesToXML(changes) {
+  var ret = [];
+
+  for (var i = 0; i < changes.length; i++) {
+    var change = changes[i];
+
+    if (change.added) {
+      ret.push('');
+    } else if (change.removed) {
+      ret.push('');
+    }
+
+    ret.push(escapeHTML(change.value));
+
+    if (change.added) {
+      ret.push('');
+    } else if (change.removed) {
+      ret.push('');
+    }
+  }
+
+  return ret.join('');
+}
+
+function escapeHTML(s) {
+  var n = s;
+  n = n.replace(/&/g, '&');
+  n = n.replace(//g, '>');
+  n = n.replace(/"/g, '"');
+  return n;
+}
+
+export { Diff, applyPatch, applyPatches, canonicalize, convertChangesToDMP, convertChangesToXML, createPatch, createTwoFilesPatch, diffArrays, diffChars, diffCss, diffJson, diffLines, diffSentences, diffTrimmedLines, diffWords, diffWordsWithSpace, merge, parsePatch, structuredPatch };
diff --git a/node_modules/libnpmdiff/node_modules/diff/lib/index.js b/node_modules/libnpmdiff/node_modules/diff/lib/index.js
new file mode 100644
index 0000000000000..920f0feeb0caf
--- /dev/null
+++ b/node_modules/libnpmdiff/node_modules/diff/lib/index.js
@@ -0,0 +1,216 @@
+/*istanbul ignore start*/
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+Object.defineProperty(exports, "Diff", {
+  enumerable: true,
+  get: function get() {
+    return _base["default"];
+  }
+});
+Object.defineProperty(exports, "diffChars", {
+  enumerable: true,
+  get: function get() {
+    return _character.diffChars;
+  }
+});
+Object.defineProperty(exports, "diffWords", {
+  enumerable: true,
+  get: function get() {
+    return _word.diffWords;
+  }
+});
+Object.defineProperty(exports, "diffWordsWithSpace", {
+  enumerable: true,
+  get: function get() {
+    return _word.diffWordsWithSpace;
+  }
+});
+Object.defineProperty(exports, "diffLines", {
+  enumerable: true,
+  get: function get() {
+    return _line.diffLines;
+  }
+});
+Object.defineProperty(exports, "diffTrimmedLines", {
+  enumerable: true,
+  get: function get() {
+    return _line.diffTrimmedLines;
+  }
+});
+Object.defineProperty(exports, "diffSentences", {
+  enumerable: true,
+  get: function get() {
+    return _sentence.diffSentences;
+  }
+});
+Object.defineProperty(exports, "diffCss", {
+  enumerable: true,
+  get: function get() {
+    return _css.diffCss;
+  }
+});
+Object.defineProperty(exports, "diffJson", {
+  enumerable: true,
+  get: function get() {
+    return _json.diffJson;
+  }
+});
+Object.defineProperty(exports, "canonicalize", {
+  enumerable: true,
+  get: function get() {
+    return _json.canonicalize;
+  }
+});
+Object.defineProperty(exports, "diffArrays", {
+  enumerable: true,
+  get: function get() {
+    return _array.diffArrays;
+  }
+});
+Object.defineProperty(exports, "applyPatch", {
+  enumerable: true,
+  get: function get() {
+    return _apply.applyPatch;
+  }
+});
+Object.defineProperty(exports, "applyPatches", {
+  enumerable: true,
+  get: function get() {
+    return _apply.applyPatches;
+  }
+});
+Object.defineProperty(exports, "parsePatch", {
+  enumerable: true,
+  get: function get() {
+    return _parse.parsePatch;
+  }
+});
+Object.defineProperty(exports, "merge", {
+  enumerable: true,
+  get: function get() {
+    return _merge.merge;
+  }
+});
+Object.defineProperty(exports, "structuredPatch", {
+  enumerable: true,
+  get: function get() {
+    return _create.structuredPatch;
+  }
+});
+Object.defineProperty(exports, "createTwoFilesPatch", {
+  enumerable: true,
+  get: function get() {
+    return _create.createTwoFilesPatch;
+  }
+});
+Object.defineProperty(exports, "createPatch", {
+  enumerable: true,
+  get: function get() {
+    return _create.createPatch;
+  }
+});
+Object.defineProperty(exports, "convertChangesToDMP", {
+  enumerable: true,
+  get: function get() {
+    return _dmp.convertChangesToDMP;
+  }
+});
+Object.defineProperty(exports, "convertChangesToXML", {
+  enumerable: true,
+  get: function get() {
+    return _xml.convertChangesToXML;
+  }
+});
+
+/*istanbul ignore end*/
+var
+/*istanbul ignore start*/
+_base = _interopRequireDefault(require("./diff/base"))
+/*istanbul ignore end*/
+;
+
+var
+/*istanbul ignore start*/
+_character = require("./diff/character")
+/*istanbul ignore end*/
+;
+
+var
+/*istanbul ignore start*/
+_word = require("./diff/word")
+/*istanbul ignore end*/
+;
+
+var
+/*istanbul ignore start*/
+_line = require("./diff/line")
+/*istanbul ignore end*/
+;
+
+var
+/*istanbul ignore start*/
+_sentence = require("./diff/sentence")
+/*istanbul ignore end*/
+;
+
+var
+/*istanbul ignore start*/
+_css = require("./diff/css")
+/*istanbul ignore end*/
+;
+
+var
+/*istanbul ignore start*/
+_json = require("./diff/json")
+/*istanbul ignore end*/
+;
+
+var
+/*istanbul ignore start*/
+_array = require("./diff/array")
+/*istanbul ignore end*/
+;
+
+var
+/*istanbul ignore start*/
+_apply = require("./patch/apply")
+/*istanbul ignore end*/
+;
+
+var
+/*istanbul ignore start*/
+_parse = require("./patch/parse")
+/*istanbul ignore end*/
+;
+
+var
+/*istanbul ignore start*/
+_merge = require("./patch/merge")
+/*istanbul ignore end*/
+;
+
+var
+/*istanbul ignore start*/
+_create = require("./patch/create")
+/*istanbul ignore end*/
+;
+
+var
+/*istanbul ignore start*/
+_dmp = require("./convert/dmp")
+/*istanbul ignore end*/
+;
+
+var
+/*istanbul ignore start*/
+_xml = require("./convert/xml")
+/*istanbul ignore end*/
+;
+
+/*istanbul ignore start*/ function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+/*istanbul ignore end*/
+//# sourceMappingURL=data:application/json;charset=utf-8;base64,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
diff --git a/node_modules/libnpmdiff/node_modules/diff/lib/index.mjs b/node_modules/libnpmdiff/node_modules/diff/lib/index.mjs
new file mode 100644
index 0000000000000..ca0e5917c44a4
--- /dev/null
+++ b/node_modules/libnpmdiff/node_modules/diff/lib/index.mjs
@@ -0,0 +1,1553 @@
+function Diff() {}
+Diff.prototype = {
+  diff: function diff(oldString, newString) {
+    var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+    var callback = options.callback;
+
+    if (typeof options === 'function') {
+      callback = options;
+      options = {};
+    }
+
+    this.options = options;
+    var self = this;
+
+    function done(value) {
+      if (callback) {
+        setTimeout(function () {
+          callback(undefined, value);
+        }, 0);
+        return true;
+      } else {
+        return value;
+      }
+    } // Allow subclasses to massage the input prior to running
+
+
+    oldString = this.castInput(oldString);
+    newString = this.castInput(newString);
+    oldString = this.removeEmpty(this.tokenize(oldString));
+    newString = this.removeEmpty(this.tokenize(newString));
+    var newLen = newString.length,
+        oldLen = oldString.length;
+    var editLength = 1;
+    var maxEditLength = newLen + oldLen;
+    var bestPath = [{
+      newPos: -1,
+      components: []
+    }]; // Seed editLength = 0, i.e. the content starts with the same values
+
+    var oldPos = this.extractCommon(bestPath[0], newString, oldString, 0);
+
+    if (bestPath[0].newPos + 1 >= newLen && oldPos + 1 >= oldLen) {
+      // Identity per the equality and tokenizer
+      return done([{
+        value: this.join(newString),
+        count: newString.length
+      }]);
+    } // Main worker method. checks all permutations of a given edit length for acceptance.
+
+
+    function execEditLength() {
+      for (var diagonalPath = -1 * editLength; diagonalPath <= editLength; diagonalPath += 2) {
+        var basePath = void 0;
+
+        var addPath = bestPath[diagonalPath - 1],
+            removePath = bestPath[diagonalPath + 1],
+            _oldPos = (removePath ? removePath.newPos : 0) - diagonalPath;
+
+        if (addPath) {
+          // No one else is going to attempt to use this value, clear it
+          bestPath[diagonalPath - 1] = undefined;
+        }
+
+        var canAdd = addPath && addPath.newPos + 1 < newLen,
+            canRemove = removePath && 0 <= _oldPos && _oldPos < oldLen;
+
+        if (!canAdd && !canRemove) {
+          // If this path is a terminal then prune
+          bestPath[diagonalPath] = undefined;
+          continue;
+        } // Select the diagonal that we want to branch from. We select the prior
+        // path whose position in the new string is the farthest from the origin
+        // and does not pass the bounds of the diff graph
+
+
+        if (!canAdd || canRemove && addPath.newPos < removePath.newPos) {
+          basePath = clonePath(removePath);
+          self.pushComponent(basePath.components, undefined, true);
+        } else {
+          basePath = addPath; // No need to clone, we've pulled it from the list
+
+          basePath.newPos++;
+          self.pushComponent(basePath.components, true, undefined);
+        }
+
+        _oldPos = self.extractCommon(basePath, newString, oldString, diagonalPath); // If we have hit the end of both strings, then we are done
+
+        if (basePath.newPos + 1 >= newLen && _oldPos + 1 >= oldLen) {
+          return done(buildValues(self, basePath.components, newString, oldString, self.useLongestToken));
+        } else {
+          // Otherwise track this path as a potential candidate and continue.
+          bestPath[diagonalPath] = basePath;
+        }
+      }
+
+      editLength++;
+    } // Performs the length of edit iteration. Is a bit fugly as this has to support the
+    // sync and async mode which is never fun. Loops over execEditLength until a value
+    // is produced.
+
+
+    if (callback) {
+      (function exec() {
+        setTimeout(function () {
+          // This should not happen, but we want to be safe.
+
+          /* istanbul ignore next */
+          if (editLength > maxEditLength) {
+            return callback();
+          }
+
+          if (!execEditLength()) {
+            exec();
+          }
+        }, 0);
+      })();
+    } else {
+      while (editLength <= maxEditLength) {
+        var ret = execEditLength();
+
+        if (ret) {
+          return ret;
+        }
+      }
+    }
+  },
+  pushComponent: function pushComponent(components, added, removed) {
+    var last = components[components.length - 1];
+
+    if (last && last.added === added && last.removed === removed) {
+      // We need to clone here as the component clone operation is just
+      // as shallow array clone
+      components[components.length - 1] = {
+        count: last.count + 1,
+        added: added,
+        removed: removed
+      };
+    } else {
+      components.push({
+        count: 1,
+        added: added,
+        removed: removed
+      });
+    }
+  },
+  extractCommon: function extractCommon(basePath, newString, oldString, diagonalPath) {
+    var newLen = newString.length,
+        oldLen = oldString.length,
+        newPos = basePath.newPos,
+        oldPos = newPos - diagonalPath,
+        commonCount = 0;
+
+    while (newPos + 1 < newLen && oldPos + 1 < oldLen && this.equals(newString[newPos + 1], oldString[oldPos + 1])) {
+      newPos++;
+      oldPos++;
+      commonCount++;
+    }
+
+    if (commonCount) {
+      basePath.components.push({
+        count: commonCount
+      });
+    }
+
+    basePath.newPos = newPos;
+    return oldPos;
+  },
+  equals: function equals(left, right) {
+    if (this.options.comparator) {
+      return this.options.comparator(left, right);
+    } else {
+      return left === right || this.options.ignoreCase && left.toLowerCase() === right.toLowerCase();
+    }
+  },
+  removeEmpty: function removeEmpty(array) {
+    var ret = [];
+
+    for (var i = 0; i < array.length; i++) {
+      if (array[i]) {
+        ret.push(array[i]);
+      }
+    }
+
+    return ret;
+  },
+  castInput: function castInput(value) {
+    return value;
+  },
+  tokenize: function tokenize(value) {
+    return value.split('');
+  },
+  join: function join(chars) {
+    return chars.join('');
+  }
+};
+
+function buildValues(diff, components, newString, oldString, useLongestToken) {
+  var componentPos = 0,
+      componentLen = components.length,
+      newPos = 0,
+      oldPos = 0;
+
+  for (; componentPos < componentLen; componentPos++) {
+    var component = components[componentPos];
+
+    if (!component.removed) {
+      if (!component.added && useLongestToken) {
+        var value = newString.slice(newPos, newPos + component.count);
+        value = value.map(function (value, i) {
+          var oldValue = oldString[oldPos + i];
+          return oldValue.length > value.length ? oldValue : value;
+        });
+        component.value = diff.join(value);
+      } else {
+        component.value = diff.join(newString.slice(newPos, newPos + component.count));
+      }
+
+      newPos += component.count; // Common case
+
+      if (!component.added) {
+        oldPos += component.count;
+      }
+    } else {
+      component.value = diff.join(oldString.slice(oldPos, oldPos + component.count));
+      oldPos += component.count; // Reverse add and remove so removes are output first to match common convention
+      // The diffing algorithm is tied to add then remove output and this is the simplest
+      // route to get the desired output with minimal overhead.
+
+      if (componentPos && components[componentPos - 1].added) {
+        var tmp = components[componentPos - 1];
+        components[componentPos - 1] = components[componentPos];
+        components[componentPos] = tmp;
+      }
+    }
+  } // Special case handle for when one terminal is ignored (i.e. whitespace).
+  // For this case we merge the terminal into the prior string and drop the change.
+  // This is only available for string mode.
+
+
+  var lastComponent = components[componentLen - 1];
+
+  if (componentLen > 1 && typeof lastComponent.value === 'string' && (lastComponent.added || lastComponent.removed) && diff.equals('', lastComponent.value)) {
+    components[componentLen - 2].value += lastComponent.value;
+    components.pop();
+  }
+
+  return components;
+}
+
+function clonePath(path) {
+  return {
+    newPos: path.newPos,
+    components: path.components.slice(0)
+  };
+}
+
+var characterDiff = new Diff();
+function diffChars(oldStr, newStr, options) {
+  return characterDiff.diff(oldStr, newStr, options);
+}
+
+function generateOptions(options, defaults) {
+  if (typeof options === 'function') {
+    defaults.callback = options;
+  } else if (options) {
+    for (var name in options) {
+      /* istanbul ignore else */
+      if (options.hasOwnProperty(name)) {
+        defaults[name] = options[name];
+      }
+    }
+  }
+
+  return defaults;
+}
+
+//
+// Ranges and exceptions:
+// Latin-1 Supplement, 0080–00FF
+//  - U+00D7  × Multiplication sign
+//  - U+00F7  ÷ Division sign
+// Latin Extended-A, 0100–017F
+// Latin Extended-B, 0180–024F
+// IPA Extensions, 0250–02AF
+// Spacing Modifier Letters, 02B0–02FF
+//  - U+02C7  ˇ ˇ  Caron
+//  - U+02D8  ˘ ˘  Breve
+//  - U+02D9  ˙ ˙  Dot Above
+//  - U+02DA  ˚ ˚  Ring Above
+//  - U+02DB  ˛ ˛  Ogonek
+//  - U+02DC  ˜ ˜  Small Tilde
+//  - U+02DD  ˝ ˝  Double Acute Accent
+// Latin Extended Additional, 1E00–1EFF
+
+var extendedWordChars = /^[A-Za-z\xC0-\u02C6\u02C8-\u02D7\u02DE-\u02FF\u1E00-\u1EFF]+$/;
+var reWhitespace = /\S/;
+var wordDiff = new Diff();
+
+wordDiff.equals = function (left, right) {
+  if (this.options.ignoreCase) {
+    left = left.toLowerCase();
+    right = right.toLowerCase();
+  }
+
+  return left === right || this.options.ignoreWhitespace && !reWhitespace.test(left) && !reWhitespace.test(right);
+};
+
+wordDiff.tokenize = function (value) {
+  // All whitespace symbols except newline group into one token, each newline - in separate token
+  var tokens = value.split(/([^\S\r\n]+|[()[\]{}'"\r\n]|\b)/); // Join the boundary splits that we do not consider to be boundaries. This is primarily the extended Latin character set.
+
+  for (var i = 0; i < tokens.length - 1; i++) {
+    // If we have an empty string in the next field and we have only word chars before and after, merge
+    if (!tokens[i + 1] && tokens[i + 2] && extendedWordChars.test(tokens[i]) && extendedWordChars.test(tokens[i + 2])) {
+      tokens[i] += tokens[i + 2];
+      tokens.splice(i + 1, 2);
+      i--;
+    }
+  }
+
+  return tokens;
+};
+
+function diffWords(oldStr, newStr, options) {
+  options = generateOptions(options, {
+    ignoreWhitespace: true
+  });
+  return wordDiff.diff(oldStr, newStr, options);
+}
+function diffWordsWithSpace(oldStr, newStr, options) {
+  return wordDiff.diff(oldStr, newStr, options);
+}
+
+var lineDiff = new Diff();
+
+lineDiff.tokenize = function (value) {
+  var retLines = [],
+      linesAndNewlines = value.split(/(\n|\r\n)/); // Ignore the final empty token that occurs if the string ends with a new line
+
+  if (!linesAndNewlines[linesAndNewlines.length - 1]) {
+    linesAndNewlines.pop();
+  } // Merge the content and line separators into single tokens
+
+
+  for (var i = 0; i < linesAndNewlines.length; i++) {
+    var line = linesAndNewlines[i];
+
+    if (i % 2 && !this.options.newlineIsToken) {
+      retLines[retLines.length - 1] += line;
+    } else {
+      if (this.options.ignoreWhitespace) {
+        line = line.trim();
+      }
+
+      retLines.push(line);
+    }
+  }
+
+  return retLines;
+};
+
+function diffLines(oldStr, newStr, callback) {
+  return lineDiff.diff(oldStr, newStr, callback);
+}
+function diffTrimmedLines(oldStr, newStr, callback) {
+  var options = generateOptions(callback, {
+    ignoreWhitespace: true
+  });
+  return lineDiff.diff(oldStr, newStr, options);
+}
+
+var sentenceDiff = new Diff();
+
+sentenceDiff.tokenize = function (value) {
+  return value.split(/(\S.+?[.!?])(?=\s+|$)/);
+};
+
+function diffSentences(oldStr, newStr, callback) {
+  return sentenceDiff.diff(oldStr, newStr, callback);
+}
+
+var cssDiff = new Diff();
+
+cssDiff.tokenize = function (value) {
+  return value.split(/([{}:;,]|\s+)/);
+};
+
+function diffCss(oldStr, newStr, callback) {
+  return cssDiff.diff(oldStr, newStr, callback);
+}
+
+function _typeof(obj) {
+  "@babel/helpers - typeof";
+
+  if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
+    _typeof = function (obj) {
+      return typeof obj;
+    };
+  } else {
+    _typeof = function (obj) {
+      return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
+    };
+  }
+
+  return _typeof(obj);
+}
+
+function _toConsumableArray(arr) {
+  return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread();
+}
+
+function _arrayWithoutHoles(arr) {
+  if (Array.isArray(arr)) return _arrayLikeToArray(arr);
+}
+
+function _iterableToArray(iter) {
+  if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter);
+}
+
+function _unsupportedIterableToArray(o, minLen) {
+  if (!o) return;
+  if (typeof o === "string") return _arrayLikeToArray(o, minLen);
+  var n = Object.prototype.toString.call(o).slice(8, -1);
+  if (n === "Object" && o.constructor) n = o.constructor.name;
+  if (n === "Map" || n === "Set") return Array.from(o);
+  if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);
+}
+
+function _arrayLikeToArray(arr, len) {
+  if (len == null || len > arr.length) len = arr.length;
+
+  for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];
+
+  return arr2;
+}
+
+function _nonIterableSpread() {
+  throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
+}
+
+var objectPrototypeToString = Object.prototype.toString;
+var jsonDiff = new Diff(); // Discriminate between two lines of pretty-printed, serialized JSON where one of them has a
+// dangling comma and the other doesn't. Turns out including the dangling comma yields the nicest output:
+
+jsonDiff.useLongestToken = true;
+jsonDiff.tokenize = lineDiff.tokenize;
+
+jsonDiff.castInput = function (value) {
+  var _this$options = this.options,
+      undefinedReplacement = _this$options.undefinedReplacement,
+      _this$options$stringi = _this$options.stringifyReplacer,
+      stringifyReplacer = _this$options$stringi === void 0 ? function (k, v) {
+    return typeof v === 'undefined' ? undefinedReplacement : v;
+  } : _this$options$stringi;
+  return typeof value === 'string' ? value : JSON.stringify(canonicalize(value, null, null, stringifyReplacer), stringifyReplacer, '  ');
+};
+
+jsonDiff.equals = function (left, right) {
+  return Diff.prototype.equals.call(jsonDiff, left.replace(/,([\r\n])/g, '$1'), right.replace(/,([\r\n])/g, '$1'));
+};
+
+function diffJson(oldObj, newObj, options) {
+  return jsonDiff.diff(oldObj, newObj, options);
+} // This function handles the presence of circular references by bailing out when encountering an
+// object that is already on the "stack" of items being processed. Accepts an optional replacer
+
+function canonicalize(obj, stack, replacementStack, replacer, key) {
+  stack = stack || [];
+  replacementStack = replacementStack || [];
+
+  if (replacer) {
+    obj = replacer(key, obj);
+  }
+
+  var i;
+
+  for (i = 0; i < stack.length; i += 1) {
+    if (stack[i] === obj) {
+      return replacementStack[i];
+    }
+  }
+
+  var canonicalizedObj;
+
+  if ('[object Array]' === objectPrototypeToString.call(obj)) {
+    stack.push(obj);
+    canonicalizedObj = new Array(obj.length);
+    replacementStack.push(canonicalizedObj);
+
+    for (i = 0; i < obj.length; i += 1) {
+      canonicalizedObj[i] = canonicalize(obj[i], stack, replacementStack, replacer, key);
+    }
+
+    stack.pop();
+    replacementStack.pop();
+    return canonicalizedObj;
+  }
+
+  if (obj && obj.toJSON) {
+    obj = obj.toJSON();
+  }
+
+  if (_typeof(obj) === 'object' && obj !== null) {
+    stack.push(obj);
+    canonicalizedObj = {};
+    replacementStack.push(canonicalizedObj);
+
+    var sortedKeys = [],
+        _key;
+
+    for (_key in obj) {
+      /* istanbul ignore else */
+      if (obj.hasOwnProperty(_key)) {
+        sortedKeys.push(_key);
+      }
+    }
+
+    sortedKeys.sort();
+
+    for (i = 0; i < sortedKeys.length; i += 1) {
+      _key = sortedKeys[i];
+      canonicalizedObj[_key] = canonicalize(obj[_key], stack, replacementStack, replacer, _key);
+    }
+
+    stack.pop();
+    replacementStack.pop();
+  } else {
+    canonicalizedObj = obj;
+  }
+
+  return canonicalizedObj;
+}
+
+var arrayDiff = new Diff();
+
+arrayDiff.tokenize = function (value) {
+  return value.slice();
+};
+
+arrayDiff.join = arrayDiff.removeEmpty = function (value) {
+  return value;
+};
+
+function diffArrays(oldArr, newArr, callback) {
+  return arrayDiff.diff(oldArr, newArr, callback);
+}
+
+function parsePatch(uniDiff) {
+  var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+  var diffstr = uniDiff.split(/\r\n|[\n\v\f\r\x85]/),
+      delimiters = uniDiff.match(/\r\n|[\n\v\f\r\x85]/g) || [],
+      list = [],
+      i = 0;
+
+  function parseIndex() {
+    var index = {};
+    list.push(index); // Parse diff metadata
+
+    while (i < diffstr.length) {
+      var line = diffstr[i]; // File header found, end parsing diff metadata
+
+      if (/^(\-\-\-|\+\+\+|@@)\s/.test(line)) {
+        break;
+      } // Diff index
+
+
+      var header = /^(?:Index:|diff(?: -r \w+)+)\s+(.+?)\s*$/.exec(line);
+
+      if (header) {
+        index.index = header[1];
+      }
+
+      i++;
+    } // Parse file headers if they are defined. Unified diff requires them, but
+    // there's no technical issues to have an isolated hunk without file header
+
+
+    parseFileHeader(index);
+    parseFileHeader(index); // Parse hunks
+
+    index.hunks = [];
+
+    while (i < diffstr.length) {
+      var _line = diffstr[i];
+
+      if (/^(Index:|diff|\-\-\-|\+\+\+)\s/.test(_line)) {
+        break;
+      } else if (/^@@/.test(_line)) {
+        index.hunks.push(parseHunk());
+      } else if (_line && options.strict) {
+        // Ignore unexpected content unless in strict mode
+        throw new Error('Unknown line ' + (i + 1) + ' ' + JSON.stringify(_line));
+      } else {
+        i++;
+      }
+    }
+  } // Parses the --- and +++ headers, if none are found, no lines
+  // are consumed.
+
+
+  function parseFileHeader(index) {
+    var fileHeader = /^(---|\+\+\+)\s+(.*)$/.exec(diffstr[i]);
+
+    if (fileHeader) {
+      var keyPrefix = fileHeader[1] === '---' ? 'old' : 'new';
+      var data = fileHeader[2].split('\t', 2);
+      var fileName = data[0].replace(/\\\\/g, '\\');
+
+      if (/^".*"$/.test(fileName)) {
+        fileName = fileName.substr(1, fileName.length - 2);
+      }
+
+      index[keyPrefix + 'FileName'] = fileName;
+      index[keyPrefix + 'Header'] = (data[1] || '').trim();
+      i++;
+    }
+  } // Parses a hunk
+  // This assumes that we are at the start of a hunk.
+
+
+  function parseHunk() {
+    var chunkHeaderIndex = i,
+        chunkHeaderLine = diffstr[i++],
+        chunkHeader = chunkHeaderLine.split(/@@ -(\d+)(?:,(\d+))? \+(\d+)(?:,(\d+))? @@/);
+    var hunk = {
+      oldStart: +chunkHeader[1],
+      oldLines: typeof chunkHeader[2] === 'undefined' ? 1 : +chunkHeader[2],
+      newStart: +chunkHeader[3],
+      newLines: typeof chunkHeader[4] === 'undefined' ? 1 : +chunkHeader[4],
+      lines: [],
+      linedelimiters: []
+    }; // Unified Diff Format quirk: If the chunk size is 0,
+    // the first number is one lower than one would expect.
+    // https://www.artima.com/weblogs/viewpost.jsp?thread=164293
+
+    if (hunk.oldLines === 0) {
+      hunk.oldStart += 1;
+    }
+
+    if (hunk.newLines === 0) {
+      hunk.newStart += 1;
+    }
+
+    var addCount = 0,
+        removeCount = 0;
+
+    for (; i < diffstr.length; i++) {
+      // Lines starting with '---' could be mistaken for the "remove line" operation
+      // But they could be the header for the next file. Therefore prune such cases out.
+      if (diffstr[i].indexOf('--- ') === 0 && i + 2 < diffstr.length && diffstr[i + 1].indexOf('+++ ') === 0 && diffstr[i + 2].indexOf('@@') === 0) {
+        break;
+      }
+
+      var operation = diffstr[i].length == 0 && i != diffstr.length - 1 ? ' ' : diffstr[i][0];
+
+      if (operation === '+' || operation === '-' || operation === ' ' || operation === '\\') {
+        hunk.lines.push(diffstr[i]);
+        hunk.linedelimiters.push(delimiters[i] || '\n');
+
+        if (operation === '+') {
+          addCount++;
+        } else if (operation === '-') {
+          removeCount++;
+        } else if (operation === ' ') {
+          addCount++;
+          removeCount++;
+        }
+      } else {
+        break;
+      }
+    } // Handle the empty block count case
+
+
+    if (!addCount && hunk.newLines === 1) {
+      hunk.newLines = 0;
+    }
+
+    if (!removeCount && hunk.oldLines === 1) {
+      hunk.oldLines = 0;
+    } // Perform optional sanity checking
+
+
+    if (options.strict) {
+      if (addCount !== hunk.newLines) {
+        throw new Error('Added line count did not match for hunk at line ' + (chunkHeaderIndex + 1));
+      }
+
+      if (removeCount !== hunk.oldLines) {
+        throw new Error('Removed line count did not match for hunk at line ' + (chunkHeaderIndex + 1));
+      }
+    }
+
+    return hunk;
+  }
+
+  while (i < diffstr.length) {
+    parseIndex();
+  }
+
+  return list;
+}
+
+// Iterator that traverses in the range of [min, max], stepping
+// by distance from a given start position. I.e. for [0, 4], with
+// start of 2, this will iterate 2, 3, 1, 4, 0.
+function distanceIterator (start, minLine, maxLine) {
+  var wantForward = true,
+      backwardExhausted = false,
+      forwardExhausted = false,
+      localOffset = 1;
+  return function iterator() {
+    if (wantForward && !forwardExhausted) {
+      if (backwardExhausted) {
+        localOffset++;
+      } else {
+        wantForward = false;
+      } // Check if trying to fit beyond text length, and if not, check it fits
+      // after offset location (or desired location on first iteration)
+
+
+      if (start + localOffset <= maxLine) {
+        return localOffset;
+      }
+
+      forwardExhausted = true;
+    }
+
+    if (!backwardExhausted) {
+      if (!forwardExhausted) {
+        wantForward = true;
+      } // Check if trying to fit before text beginning, and if not, check it fits
+      // before offset location
+
+
+      if (minLine <= start - localOffset) {
+        return -localOffset++;
+      }
+
+      backwardExhausted = true;
+      return iterator();
+    } // We tried to fit hunk before text beginning and beyond text length, then
+    // hunk can't fit on the text. Return undefined
+
+  };
+}
+
+function applyPatch(source, uniDiff) {
+  var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+
+  if (typeof uniDiff === 'string') {
+    uniDiff = parsePatch(uniDiff);
+  }
+
+  if (Array.isArray(uniDiff)) {
+    if (uniDiff.length > 1) {
+      throw new Error('applyPatch only works with a single input.');
+    }
+
+    uniDiff = uniDiff[0];
+  } // Apply the diff to the input
+
+
+  var lines = source.split(/\r\n|[\n\v\f\r\x85]/),
+      delimiters = source.match(/\r\n|[\n\v\f\r\x85]/g) || [],
+      hunks = uniDiff.hunks,
+      compareLine = options.compareLine || function (lineNumber, line, operation, patchContent) {
+    return line === patchContent;
+  },
+      errorCount = 0,
+      fuzzFactor = options.fuzzFactor || 0,
+      minLine = 0,
+      offset = 0,
+      removeEOFNL,
+      addEOFNL;
+  /**
+   * Checks if the hunk exactly fits on the provided location
+   */
+
+
+  function hunkFits(hunk, toPos) {
+    for (var j = 0; j < hunk.lines.length; j++) {
+      var line = hunk.lines[j],
+          operation = line.length > 0 ? line[0] : ' ',
+          content = line.length > 0 ? line.substr(1) : line;
+
+      if (operation === ' ' || operation === '-') {
+        // Context sanity check
+        if (!compareLine(toPos + 1, lines[toPos], operation, content)) {
+          errorCount++;
+
+          if (errorCount > fuzzFactor) {
+            return false;
+          }
+        }
+
+        toPos++;
+      }
+    }
+
+    return true;
+  } // Search best fit offsets for each hunk based on the previous ones
+
+
+  for (var i = 0; i < hunks.length; i++) {
+    var hunk = hunks[i],
+        maxLine = lines.length - hunk.oldLines,
+        localOffset = 0,
+        toPos = offset + hunk.oldStart - 1;
+    var iterator = distanceIterator(toPos, minLine, maxLine);
+
+    for (; localOffset !== undefined; localOffset = iterator()) {
+      if (hunkFits(hunk, toPos + localOffset)) {
+        hunk.offset = offset += localOffset;
+        break;
+      }
+    }
+
+    if (localOffset === undefined) {
+      return false;
+    } // Set lower text limit to end of the current hunk, so next ones don't try
+    // to fit over already patched text
+
+
+    minLine = hunk.offset + hunk.oldStart + hunk.oldLines;
+  } // Apply patch hunks
+
+
+  var diffOffset = 0;
+
+  for (var _i = 0; _i < hunks.length; _i++) {
+    var _hunk = hunks[_i],
+        _toPos = _hunk.oldStart + _hunk.offset + diffOffset - 1;
+
+    diffOffset += _hunk.newLines - _hunk.oldLines;
+
+    for (var j = 0; j < _hunk.lines.length; j++) {
+      var line = _hunk.lines[j],
+          operation = line.length > 0 ? line[0] : ' ',
+          content = line.length > 0 ? line.substr(1) : line,
+          delimiter = _hunk.linedelimiters[j];
+
+      if (operation === ' ') {
+        _toPos++;
+      } else if (operation === '-') {
+        lines.splice(_toPos, 1);
+        delimiters.splice(_toPos, 1);
+        /* istanbul ignore else */
+      } else if (operation === '+') {
+        lines.splice(_toPos, 0, content);
+        delimiters.splice(_toPos, 0, delimiter);
+        _toPos++;
+      } else if (operation === '\\') {
+        var previousOperation = _hunk.lines[j - 1] ? _hunk.lines[j - 1][0] : null;
+
+        if (previousOperation === '+') {
+          removeEOFNL = true;
+        } else if (previousOperation === '-') {
+          addEOFNL = true;
+        }
+      }
+    }
+  } // Handle EOFNL insertion/removal
+
+
+  if (removeEOFNL) {
+    while (!lines[lines.length - 1]) {
+      lines.pop();
+      delimiters.pop();
+    }
+  } else if (addEOFNL) {
+    lines.push('');
+    delimiters.push('\n');
+  }
+
+  for (var _k = 0; _k < lines.length - 1; _k++) {
+    lines[_k] = lines[_k] + delimiters[_k];
+  }
+
+  return lines.join('');
+} // Wrapper that supports multiple file patches via callbacks.
+
+function applyPatches(uniDiff, options) {
+  if (typeof uniDiff === 'string') {
+    uniDiff = parsePatch(uniDiff);
+  }
+
+  var currentIndex = 0;
+
+  function processIndex() {
+    var index = uniDiff[currentIndex++];
+
+    if (!index) {
+      return options.complete();
+    }
+
+    options.loadFile(index, function (err, data) {
+      if (err) {
+        return options.complete(err);
+      }
+
+      var updatedContent = applyPatch(data, index, options);
+      options.patched(index, updatedContent, function (err) {
+        if (err) {
+          return options.complete(err);
+        }
+
+        processIndex();
+      });
+    });
+  }
+
+  processIndex();
+}
+
+function structuredPatch(oldFileName, newFileName, oldStr, newStr, oldHeader, newHeader, options) {
+  if (!options) {
+    options = {};
+  }
+
+  if (typeof options.context === 'undefined') {
+    options.context = 4;
+  }
+
+  var diff = diffLines(oldStr, newStr, options);
+  diff.push({
+    value: '',
+    lines: []
+  }); // Append an empty value to make cleanup easier
+
+  function contextLines(lines) {
+    return lines.map(function (entry) {
+      return ' ' + entry;
+    });
+  }
+
+  var hunks = [];
+  var oldRangeStart = 0,
+      newRangeStart = 0,
+      curRange = [],
+      oldLine = 1,
+      newLine = 1;
+
+  var _loop = function _loop(i) {
+    var current = diff[i],
+        lines = current.lines || current.value.replace(/\n$/, '').split('\n');
+    current.lines = lines;
+
+    if (current.added || current.removed) {
+      var _curRange;
+
+      // If we have previous context, start with that
+      if (!oldRangeStart) {
+        var prev = diff[i - 1];
+        oldRangeStart = oldLine;
+        newRangeStart = newLine;
+
+        if (prev) {
+          curRange = options.context > 0 ? contextLines(prev.lines.slice(-options.context)) : [];
+          oldRangeStart -= curRange.length;
+          newRangeStart -= curRange.length;
+        }
+      } // Output our changes
+
+
+      (_curRange = curRange).push.apply(_curRange, _toConsumableArray(lines.map(function (entry) {
+        return (current.added ? '+' : '-') + entry;
+      }))); // Track the updated file position
+
+
+      if (current.added) {
+        newLine += lines.length;
+      } else {
+        oldLine += lines.length;
+      }
+    } else {
+      // Identical context lines. Track line changes
+      if (oldRangeStart) {
+        // Close out any changes that have been output (or join overlapping)
+        if (lines.length <= options.context * 2 && i < diff.length - 2) {
+          var _curRange2;
+
+          // Overlapping
+          (_curRange2 = curRange).push.apply(_curRange2, _toConsumableArray(contextLines(lines)));
+        } else {
+          var _curRange3;
+
+          // end the range and output
+          var contextSize = Math.min(lines.length, options.context);
+
+          (_curRange3 = curRange).push.apply(_curRange3, _toConsumableArray(contextLines(lines.slice(0, contextSize))));
+
+          var hunk = {
+            oldStart: oldRangeStart,
+            oldLines: oldLine - oldRangeStart + contextSize,
+            newStart: newRangeStart,
+            newLines: newLine - newRangeStart + contextSize,
+            lines: curRange
+          };
+
+          if (i >= diff.length - 2 && lines.length <= options.context) {
+            // EOF is inside this hunk
+            var oldEOFNewline = /\n$/.test(oldStr);
+            var newEOFNewline = /\n$/.test(newStr);
+            var noNlBeforeAdds = lines.length == 0 && curRange.length > hunk.oldLines;
+
+            if (!oldEOFNewline && noNlBeforeAdds && oldStr.length > 0) {
+              // special case: old has no eol and no trailing context; no-nl can end up before adds
+              // however, if the old file is empty, do not output the no-nl line
+              curRange.splice(hunk.oldLines, 0, '\\ No newline at end of file');
+            }
+
+            if (!oldEOFNewline && !noNlBeforeAdds || !newEOFNewline) {
+              curRange.push('\\ No newline at end of file');
+            }
+          }
+
+          hunks.push(hunk);
+          oldRangeStart = 0;
+          newRangeStart = 0;
+          curRange = [];
+        }
+      }
+
+      oldLine += lines.length;
+      newLine += lines.length;
+    }
+  };
+
+  for (var i = 0; i < diff.length; i++) {
+    _loop(i);
+  }
+
+  return {
+    oldFileName: oldFileName,
+    newFileName: newFileName,
+    oldHeader: oldHeader,
+    newHeader: newHeader,
+    hunks: hunks
+  };
+}
+function formatPatch(diff) {
+  var ret = [];
+
+  if (diff.oldFileName == diff.newFileName) {
+    ret.push('Index: ' + diff.oldFileName);
+  }
+
+  ret.push('===================================================================');
+  ret.push('--- ' + diff.oldFileName + (typeof diff.oldHeader === 'undefined' ? '' : '\t' + diff.oldHeader));
+  ret.push('+++ ' + diff.newFileName + (typeof diff.newHeader === 'undefined' ? '' : '\t' + diff.newHeader));
+
+  for (var i = 0; i < diff.hunks.length; i++) {
+    var hunk = diff.hunks[i]; // Unified Diff Format quirk: If the chunk size is 0,
+    // the first number is one lower than one would expect.
+    // https://www.artima.com/weblogs/viewpost.jsp?thread=164293
+
+    if (hunk.oldLines === 0) {
+      hunk.oldStart -= 1;
+    }
+
+    if (hunk.newLines === 0) {
+      hunk.newStart -= 1;
+    }
+
+    ret.push('@@ -' + hunk.oldStart + ',' + hunk.oldLines + ' +' + hunk.newStart + ',' + hunk.newLines + ' @@');
+    ret.push.apply(ret, hunk.lines);
+  }
+
+  return ret.join('\n') + '\n';
+}
+function createTwoFilesPatch(oldFileName, newFileName, oldStr, newStr, oldHeader, newHeader, options) {
+  return formatPatch(structuredPatch(oldFileName, newFileName, oldStr, newStr, oldHeader, newHeader, options));
+}
+function createPatch(fileName, oldStr, newStr, oldHeader, newHeader, options) {
+  return createTwoFilesPatch(fileName, fileName, oldStr, newStr, oldHeader, newHeader, options);
+}
+
+function arrayEqual(a, b) {
+  if (a.length !== b.length) {
+    return false;
+  }
+
+  return arrayStartsWith(a, b);
+}
+function arrayStartsWith(array, start) {
+  if (start.length > array.length) {
+    return false;
+  }
+
+  for (var i = 0; i < start.length; i++) {
+    if (start[i] !== array[i]) {
+      return false;
+    }
+  }
+
+  return true;
+}
+
+function calcLineCount(hunk) {
+  var _calcOldNewLineCount = calcOldNewLineCount(hunk.lines),
+      oldLines = _calcOldNewLineCount.oldLines,
+      newLines = _calcOldNewLineCount.newLines;
+
+  if (oldLines !== undefined) {
+    hunk.oldLines = oldLines;
+  } else {
+    delete hunk.oldLines;
+  }
+
+  if (newLines !== undefined) {
+    hunk.newLines = newLines;
+  } else {
+    delete hunk.newLines;
+  }
+}
+function merge(mine, theirs, base) {
+  mine = loadPatch(mine, base);
+  theirs = loadPatch(theirs, base);
+  var ret = {}; // For index we just let it pass through as it doesn't have any necessary meaning.
+  // Leaving sanity checks on this to the API consumer that may know more about the
+  // meaning in their own context.
+
+  if (mine.index || theirs.index) {
+    ret.index = mine.index || theirs.index;
+  }
+
+  if (mine.newFileName || theirs.newFileName) {
+    if (!fileNameChanged(mine)) {
+      // No header or no change in ours, use theirs (and ours if theirs does not exist)
+      ret.oldFileName = theirs.oldFileName || mine.oldFileName;
+      ret.newFileName = theirs.newFileName || mine.newFileName;
+      ret.oldHeader = theirs.oldHeader || mine.oldHeader;
+      ret.newHeader = theirs.newHeader || mine.newHeader;
+    } else if (!fileNameChanged(theirs)) {
+      // No header or no change in theirs, use ours
+      ret.oldFileName = mine.oldFileName;
+      ret.newFileName = mine.newFileName;
+      ret.oldHeader = mine.oldHeader;
+      ret.newHeader = mine.newHeader;
+    } else {
+      // Both changed... figure it out
+      ret.oldFileName = selectField(ret, mine.oldFileName, theirs.oldFileName);
+      ret.newFileName = selectField(ret, mine.newFileName, theirs.newFileName);
+      ret.oldHeader = selectField(ret, mine.oldHeader, theirs.oldHeader);
+      ret.newHeader = selectField(ret, mine.newHeader, theirs.newHeader);
+    }
+  }
+
+  ret.hunks = [];
+  var mineIndex = 0,
+      theirsIndex = 0,
+      mineOffset = 0,
+      theirsOffset = 0;
+
+  while (mineIndex < mine.hunks.length || theirsIndex < theirs.hunks.length) {
+    var mineCurrent = mine.hunks[mineIndex] || {
+      oldStart: Infinity
+    },
+        theirsCurrent = theirs.hunks[theirsIndex] || {
+      oldStart: Infinity
+    };
+
+    if (hunkBefore(mineCurrent, theirsCurrent)) {
+      // This patch does not overlap with any of the others, yay.
+      ret.hunks.push(cloneHunk(mineCurrent, mineOffset));
+      mineIndex++;
+      theirsOffset += mineCurrent.newLines - mineCurrent.oldLines;
+    } else if (hunkBefore(theirsCurrent, mineCurrent)) {
+      // This patch does not overlap with any of the others, yay.
+      ret.hunks.push(cloneHunk(theirsCurrent, theirsOffset));
+      theirsIndex++;
+      mineOffset += theirsCurrent.newLines - theirsCurrent.oldLines;
+    } else {
+      // Overlap, merge as best we can
+      var mergedHunk = {
+        oldStart: Math.min(mineCurrent.oldStart, theirsCurrent.oldStart),
+        oldLines: 0,
+        newStart: Math.min(mineCurrent.newStart + mineOffset, theirsCurrent.oldStart + theirsOffset),
+        newLines: 0,
+        lines: []
+      };
+      mergeLines(mergedHunk, mineCurrent.oldStart, mineCurrent.lines, theirsCurrent.oldStart, theirsCurrent.lines);
+      theirsIndex++;
+      mineIndex++;
+      ret.hunks.push(mergedHunk);
+    }
+  }
+
+  return ret;
+}
+
+function loadPatch(param, base) {
+  if (typeof param === 'string') {
+    if (/^@@/m.test(param) || /^Index:/m.test(param)) {
+      return parsePatch(param)[0];
+    }
+
+    if (!base) {
+      throw new Error('Must provide a base reference or pass in a patch');
+    }
+
+    return structuredPatch(undefined, undefined, base, param);
+  }
+
+  return param;
+}
+
+function fileNameChanged(patch) {
+  return patch.newFileName && patch.newFileName !== patch.oldFileName;
+}
+
+function selectField(index, mine, theirs) {
+  if (mine === theirs) {
+    return mine;
+  } else {
+    index.conflict = true;
+    return {
+      mine: mine,
+      theirs: theirs
+    };
+  }
+}
+
+function hunkBefore(test, check) {
+  return test.oldStart < check.oldStart && test.oldStart + test.oldLines < check.oldStart;
+}
+
+function cloneHunk(hunk, offset) {
+  return {
+    oldStart: hunk.oldStart,
+    oldLines: hunk.oldLines,
+    newStart: hunk.newStart + offset,
+    newLines: hunk.newLines,
+    lines: hunk.lines
+  };
+}
+
+function mergeLines(hunk, mineOffset, mineLines, theirOffset, theirLines) {
+  // This will generally result in a conflicted hunk, but there are cases where the context
+  // is the only overlap where we can successfully merge the content here.
+  var mine = {
+    offset: mineOffset,
+    lines: mineLines,
+    index: 0
+  },
+      their = {
+    offset: theirOffset,
+    lines: theirLines,
+    index: 0
+  }; // Handle any leading content
+
+  insertLeading(hunk, mine, their);
+  insertLeading(hunk, their, mine); // Now in the overlap content. Scan through and select the best changes from each.
+
+  while (mine.index < mine.lines.length && their.index < their.lines.length) {
+    var mineCurrent = mine.lines[mine.index],
+        theirCurrent = their.lines[their.index];
+
+    if ((mineCurrent[0] === '-' || mineCurrent[0] === '+') && (theirCurrent[0] === '-' || theirCurrent[0] === '+')) {
+      // Both modified ...
+      mutualChange(hunk, mine, their);
+    } else if (mineCurrent[0] === '+' && theirCurrent[0] === ' ') {
+      var _hunk$lines;
+
+      // Mine inserted
+      (_hunk$lines = hunk.lines).push.apply(_hunk$lines, _toConsumableArray(collectChange(mine)));
+    } else if (theirCurrent[0] === '+' && mineCurrent[0] === ' ') {
+      var _hunk$lines2;
+
+      // Theirs inserted
+      (_hunk$lines2 = hunk.lines).push.apply(_hunk$lines2, _toConsumableArray(collectChange(their)));
+    } else if (mineCurrent[0] === '-' && theirCurrent[0] === ' ') {
+      // Mine removed or edited
+      removal(hunk, mine, their);
+    } else if (theirCurrent[0] === '-' && mineCurrent[0] === ' ') {
+      // Their removed or edited
+      removal(hunk, their, mine, true);
+    } else if (mineCurrent === theirCurrent) {
+      // Context identity
+      hunk.lines.push(mineCurrent);
+      mine.index++;
+      their.index++;
+    } else {
+      // Context mismatch
+      conflict(hunk, collectChange(mine), collectChange(their));
+    }
+  } // Now push anything that may be remaining
+
+
+  insertTrailing(hunk, mine);
+  insertTrailing(hunk, their);
+  calcLineCount(hunk);
+}
+
+function mutualChange(hunk, mine, their) {
+  var myChanges = collectChange(mine),
+      theirChanges = collectChange(their);
+
+  if (allRemoves(myChanges) && allRemoves(theirChanges)) {
+    // Special case for remove changes that are supersets of one another
+    if (arrayStartsWith(myChanges, theirChanges) && skipRemoveSuperset(their, myChanges, myChanges.length - theirChanges.length)) {
+      var _hunk$lines3;
+
+      (_hunk$lines3 = hunk.lines).push.apply(_hunk$lines3, _toConsumableArray(myChanges));
+
+      return;
+    } else if (arrayStartsWith(theirChanges, myChanges) && skipRemoveSuperset(mine, theirChanges, theirChanges.length - myChanges.length)) {
+      var _hunk$lines4;
+
+      (_hunk$lines4 = hunk.lines).push.apply(_hunk$lines4, _toConsumableArray(theirChanges));
+
+      return;
+    }
+  } else if (arrayEqual(myChanges, theirChanges)) {
+    var _hunk$lines5;
+
+    (_hunk$lines5 = hunk.lines).push.apply(_hunk$lines5, _toConsumableArray(myChanges));
+
+    return;
+  }
+
+  conflict(hunk, myChanges, theirChanges);
+}
+
+function removal(hunk, mine, their, swap) {
+  var myChanges = collectChange(mine),
+      theirChanges = collectContext(their, myChanges);
+
+  if (theirChanges.merged) {
+    var _hunk$lines6;
+
+    (_hunk$lines6 = hunk.lines).push.apply(_hunk$lines6, _toConsumableArray(theirChanges.merged));
+  } else {
+    conflict(hunk, swap ? theirChanges : myChanges, swap ? myChanges : theirChanges);
+  }
+}
+
+function conflict(hunk, mine, their) {
+  hunk.conflict = true;
+  hunk.lines.push({
+    conflict: true,
+    mine: mine,
+    theirs: their
+  });
+}
+
+function insertLeading(hunk, insert, their) {
+  while (insert.offset < their.offset && insert.index < insert.lines.length) {
+    var line = insert.lines[insert.index++];
+    hunk.lines.push(line);
+    insert.offset++;
+  }
+}
+
+function insertTrailing(hunk, insert) {
+  while (insert.index < insert.lines.length) {
+    var line = insert.lines[insert.index++];
+    hunk.lines.push(line);
+  }
+}
+
+function collectChange(state) {
+  var ret = [],
+      operation = state.lines[state.index][0];
+
+  while (state.index < state.lines.length) {
+    var line = state.lines[state.index]; // Group additions that are immediately after subtractions and treat them as one "atomic" modify change.
+
+    if (operation === '-' && line[0] === '+') {
+      operation = '+';
+    }
+
+    if (operation === line[0]) {
+      ret.push(line);
+      state.index++;
+    } else {
+      break;
+    }
+  }
+
+  return ret;
+}
+
+function collectContext(state, matchChanges) {
+  var changes = [],
+      merged = [],
+      matchIndex = 0,
+      contextChanges = false,
+      conflicted = false;
+
+  while (matchIndex < matchChanges.length && state.index < state.lines.length) {
+    var change = state.lines[state.index],
+        match = matchChanges[matchIndex]; // Once we've hit our add, then we are done
+
+    if (match[0] === '+') {
+      break;
+    }
+
+    contextChanges = contextChanges || change[0] !== ' ';
+    merged.push(match);
+    matchIndex++; // Consume any additions in the other block as a conflict to attempt
+    // to pull in the remaining context after this
+
+    if (change[0] === '+') {
+      conflicted = true;
+
+      while (change[0] === '+') {
+        changes.push(change);
+        change = state.lines[++state.index];
+      }
+    }
+
+    if (match.substr(1) === change.substr(1)) {
+      changes.push(change);
+      state.index++;
+    } else {
+      conflicted = true;
+    }
+  }
+
+  if ((matchChanges[matchIndex] || '')[0] === '+' && contextChanges) {
+    conflicted = true;
+  }
+
+  if (conflicted) {
+    return changes;
+  }
+
+  while (matchIndex < matchChanges.length) {
+    merged.push(matchChanges[matchIndex++]);
+  }
+
+  return {
+    merged: merged,
+    changes: changes
+  };
+}
+
+function allRemoves(changes) {
+  return changes.reduce(function (prev, change) {
+    return prev && change[0] === '-';
+  }, true);
+}
+
+function skipRemoveSuperset(state, removeChanges, delta) {
+  for (var i = 0; i < delta; i++) {
+    var changeContent = removeChanges[removeChanges.length - delta + i].substr(1);
+
+    if (state.lines[state.index + i] !== ' ' + changeContent) {
+      return false;
+    }
+  }
+
+  state.index += delta;
+  return true;
+}
+
+function calcOldNewLineCount(lines) {
+  var oldLines = 0;
+  var newLines = 0;
+  lines.forEach(function (line) {
+    if (typeof line !== 'string') {
+      var myCount = calcOldNewLineCount(line.mine);
+      var theirCount = calcOldNewLineCount(line.theirs);
+
+      if (oldLines !== undefined) {
+        if (myCount.oldLines === theirCount.oldLines) {
+          oldLines += myCount.oldLines;
+        } else {
+          oldLines = undefined;
+        }
+      }
+
+      if (newLines !== undefined) {
+        if (myCount.newLines === theirCount.newLines) {
+          newLines += myCount.newLines;
+        } else {
+          newLines = undefined;
+        }
+      }
+    } else {
+      if (newLines !== undefined && (line[0] === '+' || line[0] === ' ')) {
+        newLines++;
+      }
+
+      if (oldLines !== undefined && (line[0] === '-' || line[0] === ' ')) {
+        oldLines++;
+      }
+    }
+  });
+  return {
+    oldLines: oldLines,
+    newLines: newLines
+  };
+}
+
+// See: http://code.google.com/p/google-diff-match-patch/wiki/API
+function convertChangesToDMP(changes) {
+  var ret = [],
+      change,
+      operation;
+
+  for (var i = 0; i < changes.length; i++) {
+    change = changes[i];
+
+    if (change.added) {
+      operation = 1;
+    } else if (change.removed) {
+      operation = -1;
+    } else {
+      operation = 0;
+    }
+
+    ret.push([operation, change.value]);
+  }
+
+  return ret;
+}
+
+function convertChangesToXML(changes) {
+  var ret = [];
+
+  for (var i = 0; i < changes.length; i++) {
+    var change = changes[i];
+
+    if (change.added) {
+      ret.push('');
+    } else if (change.removed) {
+      ret.push('');
+    }
+
+    ret.push(escapeHTML(change.value));
+
+    if (change.added) {
+      ret.push('');
+    } else if (change.removed) {
+      ret.push('');
+    }
+  }
+
+  return ret.join('');
+}
+
+function escapeHTML(s) {
+  var n = s;
+  n = n.replace(/&/g, '&');
+  n = n.replace(//g, '>');
+  n = n.replace(/"/g, '"');
+  return n;
+}
+
+export { Diff, applyPatch, applyPatches, canonicalize, convertChangesToDMP, convertChangesToXML, createPatch, createTwoFilesPatch, diffArrays, diffChars, diffCss, diffJson, diffLines, diffSentences, diffTrimmedLines, diffWords, diffWordsWithSpace, merge, parsePatch, structuredPatch };
diff --git a/node_modules/libnpmdiff/node_modules/diff/lib/patch/apply.js b/node_modules/libnpmdiff/node_modules/diff/lib/patch/apply.js
new file mode 100644
index 0000000000000..21c76ddb76ba7
--- /dev/null
+++ b/node_modules/libnpmdiff/node_modules/diff/lib/patch/apply.js
@@ -0,0 +1,238 @@
+/*istanbul ignore start*/
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.applyPatch = applyPatch;
+exports.applyPatches = applyPatches;
+
+/*istanbul ignore end*/
+var
+/*istanbul ignore start*/
+_parse = require("./parse")
+/*istanbul ignore end*/
+;
+
+var
+/*istanbul ignore start*/
+_distanceIterator = _interopRequireDefault(require("../util/distance-iterator"))
+/*istanbul ignore end*/
+;
+
+/*istanbul ignore start*/ function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+/*istanbul ignore end*/
+function applyPatch(source, uniDiff) {
+  /*istanbul ignore start*/
+  var
+  /*istanbul ignore end*/
+  options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+
+  if (typeof uniDiff === 'string') {
+    uniDiff =
+    /*istanbul ignore start*/
+    (0,
+    /*istanbul ignore end*/
+
+    /*istanbul ignore start*/
+    _parse
+    /*istanbul ignore end*/
+    .
+    /*istanbul ignore start*/
+    parsePatch)
+    /*istanbul ignore end*/
+    (uniDiff);
+  }
+
+  if (Array.isArray(uniDiff)) {
+    if (uniDiff.length > 1) {
+      throw new Error('applyPatch only works with a single input.');
+    }
+
+    uniDiff = uniDiff[0];
+  } // Apply the diff to the input
+
+
+  var lines = source.split(/\r\n|[\n\v\f\r\x85]/),
+      delimiters = source.match(/\r\n|[\n\v\f\r\x85]/g) || [],
+      hunks = uniDiff.hunks,
+      compareLine = options.compareLine || function (lineNumber, line, operation, patchContent)
+  /*istanbul ignore start*/
+  {
+    return (
+      /*istanbul ignore end*/
+      line === patchContent
+    );
+  },
+      errorCount = 0,
+      fuzzFactor = options.fuzzFactor || 0,
+      minLine = 0,
+      offset = 0,
+      removeEOFNL,
+      addEOFNL;
+  /**
+   * Checks if the hunk exactly fits on the provided location
+   */
+
+
+  function hunkFits(hunk, toPos) {
+    for (var j = 0; j < hunk.lines.length; j++) {
+      var line = hunk.lines[j],
+          operation = line.length > 0 ? line[0] : ' ',
+          content = line.length > 0 ? line.substr(1) : line;
+
+      if (operation === ' ' || operation === '-') {
+        // Context sanity check
+        if (!compareLine(toPos + 1, lines[toPos], operation, content)) {
+          errorCount++;
+
+          if (errorCount > fuzzFactor) {
+            return false;
+          }
+        }
+
+        toPos++;
+      }
+    }
+
+    return true;
+  } // Search best fit offsets for each hunk based on the previous ones
+
+
+  for (var i = 0; i < hunks.length; i++) {
+    var hunk = hunks[i],
+        maxLine = lines.length - hunk.oldLines,
+        localOffset = 0,
+        toPos = offset + hunk.oldStart - 1;
+    var iterator =
+    /*istanbul ignore start*/
+    (0,
+    /*istanbul ignore end*/
+
+    /*istanbul ignore start*/
+    _distanceIterator
+    /*istanbul ignore end*/
+    [
+    /*istanbul ignore start*/
+    "default"
+    /*istanbul ignore end*/
+    ])(toPos, minLine, maxLine);
+
+    for (; localOffset !== undefined; localOffset = iterator()) {
+      if (hunkFits(hunk, toPos + localOffset)) {
+        hunk.offset = offset += localOffset;
+        break;
+      }
+    }
+
+    if (localOffset === undefined) {
+      return false;
+    } // Set lower text limit to end of the current hunk, so next ones don't try
+    // to fit over already patched text
+
+
+    minLine = hunk.offset + hunk.oldStart + hunk.oldLines;
+  } // Apply patch hunks
+
+
+  var diffOffset = 0;
+
+  for (var _i = 0; _i < hunks.length; _i++) {
+    var _hunk = hunks[_i],
+        _toPos = _hunk.oldStart + _hunk.offset + diffOffset - 1;
+
+    diffOffset += _hunk.newLines - _hunk.oldLines;
+
+    for (var j = 0; j < _hunk.lines.length; j++) {
+      var line = _hunk.lines[j],
+          operation = line.length > 0 ? line[0] : ' ',
+          content = line.length > 0 ? line.substr(1) : line,
+          delimiter = _hunk.linedelimiters[j];
+
+      if (operation === ' ') {
+        _toPos++;
+      } else if (operation === '-') {
+        lines.splice(_toPos, 1);
+        delimiters.splice(_toPos, 1);
+        /* istanbul ignore else */
+      } else if (operation === '+') {
+        lines.splice(_toPos, 0, content);
+        delimiters.splice(_toPos, 0, delimiter);
+        _toPos++;
+      } else if (operation === '\\') {
+        var previousOperation = _hunk.lines[j - 1] ? _hunk.lines[j - 1][0] : null;
+
+        if (previousOperation === '+') {
+          removeEOFNL = true;
+        } else if (previousOperation === '-') {
+          addEOFNL = true;
+        }
+      }
+    }
+  } // Handle EOFNL insertion/removal
+
+
+  if (removeEOFNL) {
+    while (!lines[lines.length - 1]) {
+      lines.pop();
+      delimiters.pop();
+    }
+  } else if (addEOFNL) {
+    lines.push('');
+    delimiters.push('\n');
+  }
+
+  for (var _k = 0; _k < lines.length - 1; _k++) {
+    lines[_k] = lines[_k] + delimiters[_k];
+  }
+
+  return lines.join('');
+} // Wrapper that supports multiple file patches via callbacks.
+
+
+function applyPatches(uniDiff, options) {
+  if (typeof uniDiff === 'string') {
+    uniDiff =
+    /*istanbul ignore start*/
+    (0,
+    /*istanbul ignore end*/
+
+    /*istanbul ignore start*/
+    _parse
+    /*istanbul ignore end*/
+    .
+    /*istanbul ignore start*/
+    parsePatch)
+    /*istanbul ignore end*/
+    (uniDiff);
+  }
+
+  var currentIndex = 0;
+
+  function processIndex() {
+    var index = uniDiff[currentIndex++];
+
+    if (!index) {
+      return options.complete();
+    }
+
+    options.loadFile(index, function (err, data) {
+      if (err) {
+        return options.complete(err);
+      }
+
+      var updatedContent = applyPatch(data, index, options);
+      options.patched(index, updatedContent, function (err) {
+        if (err) {
+          return options.complete(err);
+        }
+
+        processIndex();
+      });
+    });
+  }
+
+  processIndex();
+}
+//# sourceMappingURL=data:application/json;charset=utf-8;base64,{"version":3,"sources":["../../src/patch/apply.js"],"names":["applyPatch","source","uniDiff","options","parsePatch","Array","isArray","length","Error","lines","split","delimiters","match","hunks","compareLine","lineNumber","line","operation","patchContent","errorCount","fuzzFactor","minLine","offset","removeEOFNL","addEOFNL","hunkFits","hunk","toPos","j","content","substr","i","maxLine","oldLines","localOffset","oldStart","iterator","distanceIterator","undefined","diffOffset","newLines","delimiter","linedelimiters","splice","previousOperation","pop","push","_k","join","applyPatches","currentIndex","processIndex","index","complete","loadFile","err","data","updatedContent","patched"],"mappings":";;;;;;;;;;AAAA;AAAA;AAAA;AAAA;AAAA;;AACA;AAAA;AAAA;AAAA;AAAA;;;;;AAEO,SAASA,UAAT,CAAoBC,MAApB,EAA4BC,OAA5B,EAAmD;AAAA;AAAA;AAAA;AAAdC,EAAAA,OAAc,uEAAJ,EAAI;;AACxD,MAAI,OAAOD,OAAP,KAAmB,QAAvB,EAAiC;AAC/BA,IAAAA,OAAO;AAAG;AAAA;AAAA;;AAAAE;AAAAA;AAAAA;AAAAA;AAAAA;AAAAA;AAAA;AAAA,KAAWF,OAAX,CAAV;AACD;;AAED,MAAIG,KAAK,CAACC,OAAN,CAAcJ,OAAd,CAAJ,EAA4B;AAC1B,QAAIA,OAAO,CAACK,MAAR,GAAiB,CAArB,EAAwB;AACtB,YAAM,IAAIC,KAAJ,CAAU,4CAAV,CAAN;AACD;;AAEDN,IAAAA,OAAO,GAAGA,OAAO,CAAC,CAAD,CAAjB;AACD,GAXuD,CAaxD;;;AACA,MAAIO,KAAK,GAAGR,MAAM,CAACS,KAAP,CAAa,qBAAb,CAAZ;AAAA,MACIC,UAAU,GAAGV,MAAM,CAACW,KAAP,CAAa,sBAAb,KAAwC,EADzD;AAAA,MAEIC,KAAK,GAAGX,OAAO,CAACW,KAFpB;AAAA,MAIIC,WAAW,GAAGX,OAAO,CAACW,WAAR,IAAwB,UAACC,UAAD,EAAaC,IAAb,EAAmBC,SAAnB,EAA8BC,YAA9B;AAAA;AAAA;AAAA;AAAA;AAA+CF,MAAAA,IAAI,KAAKE;AAAxD;AAAA,GAJ1C;AAAA,MAKIC,UAAU,GAAG,CALjB;AAAA,MAMIC,UAAU,GAAGjB,OAAO,CAACiB,UAAR,IAAsB,CANvC;AAAA,MAOIC,OAAO,GAAG,CAPd;AAAA,MAQIC,MAAM,GAAG,CARb;AAAA,MAUIC,WAVJ;AAAA,MAWIC,QAXJ;AAaA;;;;;AAGA,WAASC,QAAT,CAAkBC,IAAlB,EAAwBC,KAAxB,EAA+B;AAC7B,SAAK,IAAIC,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGF,IAAI,CAACjB,KAAL,CAAWF,MAA/B,EAAuCqB,CAAC,EAAxC,EAA4C;AAC1C,UAAIZ,IAAI,GAAGU,IAAI,CAACjB,KAAL,CAAWmB,CAAX,CAAX;AAAA,UACIX,SAAS,GAAID,IAAI,CAACT,MAAL,GAAc,CAAd,GAAkBS,IAAI,CAAC,CAAD,CAAtB,GAA4B,GAD7C;AAAA,UAEIa,OAAO,GAAIb,IAAI,CAACT,MAAL,GAAc,CAAd,GAAkBS,IAAI,CAACc,MAAL,CAAY,CAAZ,CAAlB,GAAmCd,IAFlD;;AAIA,UAAIC,SAAS,KAAK,GAAd,IAAqBA,SAAS,KAAK,GAAvC,EAA4C;AAC1C;AACA,YAAI,CAACH,WAAW,CAACa,KAAK,GAAG,CAAT,EAAYlB,KAAK,CAACkB,KAAD,CAAjB,EAA0BV,SAA1B,EAAqCY,OAArC,CAAhB,EAA+D;AAC7DV,UAAAA,UAAU;;AAEV,cAAIA,UAAU,GAAGC,UAAjB,EAA6B;AAC3B,mBAAO,KAAP;AACD;AACF;;AACDO,QAAAA,KAAK;AACN;AACF;;AAED,WAAO,IAAP;AACD,GAlDuD,CAoDxD;;;AACA,OAAK,IAAII,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGlB,KAAK,CAACN,MAA1B,EAAkCwB,CAAC,EAAnC,EAAuC;AACrC,QAAIL,IAAI,GAAGb,KAAK,CAACkB,CAAD,CAAhB;AAAA,QACIC,OAAO,GAAGvB,KAAK,CAACF,MAAN,GAAemB,IAAI,CAACO,QADlC;AAAA,QAEIC,WAAW,GAAG,CAFlB;AAAA,QAGIP,KAAK,GAAGL,MAAM,GAAGI,IAAI,CAACS,QAAd,GAAyB,CAHrC;AAKA,QAAIC,QAAQ;AAAG;AAAA;AAAA;;AAAAC;AAAAA;AAAAA;AAAAA;AAAAA;AAAAA;AAAAA;AAAAA,OAAiBV,KAAjB,EAAwBN,OAAxB,EAAiCW,OAAjC,CAAf;;AAEA,WAAOE,WAAW,KAAKI,SAAvB,EAAkCJ,WAAW,GAAGE,QAAQ,EAAxD,EAA4D;AAC1D,UAAIX,QAAQ,CAACC,IAAD,EAAOC,KAAK,GAAGO,WAAf,CAAZ,EAAyC;AACvCR,QAAAA,IAAI,CAACJ,MAAL,GAAcA,MAAM,IAAIY,WAAxB;AACA;AACD;AACF;;AAED,QAAIA,WAAW,KAAKI,SAApB,EAA+B;AAC7B,aAAO,KAAP;AACD,KAjBoC,CAmBrC;AACA;;;AACAjB,IAAAA,OAAO,GAAGK,IAAI,CAACJ,MAAL,GAAcI,IAAI,CAACS,QAAnB,GAA8BT,IAAI,CAACO,QAA7C;AACD,GA3EuD,CA6ExD;;;AACA,MAAIM,UAAU,GAAG,CAAjB;;AACA,OAAK,IAAIR,EAAC,GAAG,CAAb,EAAgBA,EAAC,GAAGlB,KAAK,CAACN,MAA1B,EAAkCwB,EAAC,EAAnC,EAAuC;AACrC,QAAIL,KAAI,GAAGb,KAAK,CAACkB,EAAD,CAAhB;AAAA,QACIJ,MAAK,GAAGD,KAAI,CAACS,QAAL,GAAgBT,KAAI,CAACJ,MAArB,GAA8BiB,UAA9B,GAA2C,CADvD;;AAEAA,IAAAA,UAAU,IAAIb,KAAI,CAACc,QAAL,GAAgBd,KAAI,CAACO,QAAnC;;AAEA,SAAK,IAAIL,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGF,KAAI,CAACjB,KAAL,CAAWF,MAA/B,EAAuCqB,CAAC,EAAxC,EAA4C;AAC1C,UAAIZ,IAAI,GAAGU,KAAI,CAACjB,KAAL,CAAWmB,CAAX,CAAX;AAAA,UACIX,SAAS,GAAID,IAAI,CAACT,MAAL,GAAc,CAAd,GAAkBS,IAAI,CAAC,CAAD,CAAtB,GAA4B,GAD7C;AAAA,UAEIa,OAAO,GAAIb,IAAI,CAACT,MAAL,GAAc,CAAd,GAAkBS,IAAI,CAACc,MAAL,CAAY,CAAZ,CAAlB,GAAmCd,IAFlD;AAAA,UAGIyB,SAAS,GAAGf,KAAI,CAACgB,cAAL,CAAoBd,CAApB,CAHhB;;AAKA,UAAIX,SAAS,KAAK,GAAlB,EAAuB;AACrBU,QAAAA,MAAK;AACN,OAFD,MAEO,IAAIV,SAAS,KAAK,GAAlB,EAAuB;AAC5BR,QAAAA,KAAK,CAACkC,MAAN,CAAahB,MAAb,EAAoB,CAApB;AACAhB,QAAAA,UAAU,CAACgC,MAAX,CAAkBhB,MAAlB,EAAyB,CAAzB;AACF;AACC,OAJM,MAIA,IAAIV,SAAS,KAAK,GAAlB,EAAuB;AAC5BR,QAAAA,KAAK,CAACkC,MAAN,CAAahB,MAAb,EAAoB,CAApB,EAAuBE,OAAvB;AACAlB,QAAAA,UAAU,CAACgC,MAAX,CAAkBhB,MAAlB,EAAyB,CAAzB,EAA4Bc,SAA5B;AACAd,QAAAA,MAAK;AACN,OAJM,MAIA,IAAIV,SAAS,KAAK,IAAlB,EAAwB;AAC7B,YAAI2B,iBAAiB,GAAGlB,KAAI,CAACjB,KAAL,CAAWmB,CAAC,GAAG,CAAf,IAAoBF,KAAI,CAACjB,KAAL,CAAWmB,CAAC,GAAG,CAAf,EAAkB,CAAlB,CAApB,GAA2C,IAAnE;;AACA,YAAIgB,iBAAiB,KAAK,GAA1B,EAA+B;AAC7BrB,UAAAA,WAAW,GAAG,IAAd;AACD,SAFD,MAEO,IAAIqB,iBAAiB,KAAK,GAA1B,EAA+B;AACpCpB,UAAAA,QAAQ,GAAG,IAAX;AACD;AACF;AACF;AACF,GA7GuD,CA+GxD;;;AACA,MAAID,WAAJ,EAAiB;AACf,WAAO,CAACd,KAAK,CAACA,KAAK,CAACF,MAAN,GAAe,CAAhB,CAAb,EAAiC;AAC/BE,MAAAA,KAAK,CAACoC,GAAN;AACAlC,MAAAA,UAAU,CAACkC,GAAX;AACD;AACF,GALD,MAKO,IAAIrB,QAAJ,EAAc;AACnBf,IAAAA,KAAK,CAACqC,IAAN,CAAW,EAAX;AACAnC,IAAAA,UAAU,CAACmC,IAAX,CAAgB,IAAhB;AACD;;AACD,OAAK,IAAIC,EAAE,GAAG,CAAd,EAAiBA,EAAE,GAAGtC,KAAK,CAACF,MAAN,GAAe,CAArC,EAAwCwC,EAAE,EAA1C,EAA8C;AAC5CtC,IAAAA,KAAK,CAACsC,EAAD,CAAL,GAAYtC,KAAK,CAACsC,EAAD,CAAL,GAAYpC,UAAU,CAACoC,EAAD,CAAlC;AACD;;AACD,SAAOtC,KAAK,CAACuC,IAAN,CAAW,EAAX,CAAP;AACD,C,CAED;;;AACO,SAASC,YAAT,CAAsB/C,OAAtB,EAA+BC,OAA/B,EAAwC;AAC7C,MAAI,OAAOD,OAAP,KAAmB,QAAvB,EAAiC;AAC/BA,IAAAA,OAAO;AAAG;AAAA;AAAA;;AAAAE;AAAAA;AAAAA;AAAAA;AAAAA;AAAAA;AAAA;AAAA,KAAWF,OAAX,CAAV;AACD;;AAED,MAAIgD,YAAY,GAAG,CAAnB;;AACA,WAASC,YAAT,GAAwB;AACtB,QAAIC,KAAK,GAAGlD,OAAO,CAACgD,YAAY,EAAb,CAAnB;;AACA,QAAI,CAACE,KAAL,EAAY;AACV,aAAOjD,OAAO,CAACkD,QAAR,EAAP;AACD;;AAEDlD,IAAAA,OAAO,CAACmD,QAAR,CAAiBF,KAAjB,EAAwB,UAASG,GAAT,EAAcC,IAAd,EAAoB;AAC1C,UAAID,GAAJ,EAAS;AACP,eAAOpD,OAAO,CAACkD,QAAR,CAAiBE,GAAjB,CAAP;AACD;;AAED,UAAIE,cAAc,GAAGzD,UAAU,CAACwD,IAAD,EAAOJ,KAAP,EAAcjD,OAAd,CAA/B;AACAA,MAAAA,OAAO,CAACuD,OAAR,CAAgBN,KAAhB,EAAuBK,cAAvB,EAAuC,UAASF,GAAT,EAAc;AACnD,YAAIA,GAAJ,EAAS;AACP,iBAAOpD,OAAO,CAACkD,QAAR,CAAiBE,GAAjB,CAAP;AACD;;AAEDJ,QAAAA,YAAY;AACb,OAND;AAOD,KAbD;AAcD;;AACDA,EAAAA,YAAY;AACb","sourcesContent":["import {parsePatch} from './parse';\nimport distanceIterator from '../util/distance-iterator';\n\nexport function applyPatch(source, uniDiff, options = {}) {\n  if (typeof uniDiff === 'string') {\n    uniDiff = parsePatch(uniDiff);\n  }\n\n  if (Array.isArray(uniDiff)) {\n    if (uniDiff.length > 1) {\n      throw new Error('applyPatch only works with a single input.');\n    }\n\n    uniDiff = uniDiff[0];\n  }\n\n  // Apply the diff to the input\n  let lines = source.split(/\\r\\n|[\\n\\v\\f\\r\\x85]/),\n      delimiters = source.match(/\\r\\n|[\\n\\v\\f\\r\\x85]/g) || [],\n      hunks = uniDiff.hunks,\n\n      compareLine = options.compareLine || ((lineNumber, line, operation, patchContent) => line === patchContent),\n      errorCount = 0,\n      fuzzFactor = options.fuzzFactor || 0,\n      minLine = 0,\n      offset = 0,\n\n      removeEOFNL,\n      addEOFNL;\n\n  /**\n   * Checks if the hunk exactly fits on the provided location\n   */\n  function hunkFits(hunk, toPos) {\n    for (let j = 0; j < hunk.lines.length; j++) {\n      let line = hunk.lines[j],\n          operation = (line.length > 0 ? line[0] : ' '),\n          content = (line.length > 0 ? line.substr(1) : line);\n\n      if (operation === ' ' || operation === '-') {\n        // Context sanity check\n        if (!compareLine(toPos + 1, lines[toPos], operation, content)) {\n          errorCount++;\n\n          if (errorCount > fuzzFactor) {\n            return false;\n          }\n        }\n        toPos++;\n      }\n    }\n\n    return true;\n  }\n\n  // Search best fit offsets for each hunk based on the previous ones\n  for (let i = 0; i < hunks.length; i++) {\n    let hunk = hunks[i],\n        maxLine = lines.length - hunk.oldLines,\n        localOffset = 0,\n        toPos = offset + hunk.oldStart - 1;\n\n    let iterator = distanceIterator(toPos, minLine, maxLine);\n\n    for (; localOffset !== undefined; localOffset = iterator()) {\n      if (hunkFits(hunk, toPos + localOffset)) {\n        hunk.offset = offset += localOffset;\n        break;\n      }\n    }\n\n    if (localOffset === undefined) {\n      return false;\n    }\n\n    // Set lower text limit to end of the current hunk, so next ones don't try\n    // to fit over already patched text\n    minLine = hunk.offset + hunk.oldStart + hunk.oldLines;\n  }\n\n  // Apply patch hunks\n  let diffOffset = 0;\n  for (let i = 0; i < hunks.length; i++) {\n    let hunk = hunks[i],\n        toPos = hunk.oldStart + hunk.offset + diffOffset - 1;\n    diffOffset += hunk.newLines - hunk.oldLines;\n\n    for (let j = 0; j < hunk.lines.length; j++) {\n      let line = hunk.lines[j],\n          operation = (line.length > 0 ? line[0] : ' '),\n          content = (line.length > 0 ? line.substr(1) : line),\n          delimiter = hunk.linedelimiters[j];\n\n      if (operation === ' ') {\n        toPos++;\n      } else if (operation === '-') {\n        lines.splice(toPos, 1);\n        delimiters.splice(toPos, 1);\n      /* istanbul ignore else */\n      } else if (operation === '+') {\n        lines.splice(toPos, 0, content);\n        delimiters.splice(toPos, 0, delimiter);\n        toPos++;\n      } else if (operation === '\\\\') {\n        let previousOperation = hunk.lines[j - 1] ? hunk.lines[j - 1][0] : null;\n        if (previousOperation === '+') {\n          removeEOFNL = true;\n        } else if (previousOperation === '-') {\n          addEOFNL = true;\n        }\n      }\n    }\n  }\n\n  // Handle EOFNL insertion/removal\n  if (removeEOFNL) {\n    while (!lines[lines.length - 1]) {\n      lines.pop();\n      delimiters.pop();\n    }\n  } else if (addEOFNL) {\n    lines.push('');\n    delimiters.push('\\n');\n  }\n  for (let _k = 0; _k < lines.length - 1; _k++) {\n    lines[_k] = lines[_k] + delimiters[_k];\n  }\n  return lines.join('');\n}\n\n// Wrapper that supports multiple file patches via callbacks.\nexport function applyPatches(uniDiff, options) {\n  if (typeof uniDiff === 'string') {\n    uniDiff = parsePatch(uniDiff);\n  }\n\n  let currentIndex = 0;\n  function processIndex() {\n    let index = uniDiff[currentIndex++];\n    if (!index) {\n      return options.complete();\n    }\n\n    options.loadFile(index, function(err, data) {\n      if (err) {\n        return options.complete(err);\n      }\n\n      let updatedContent = applyPatch(data, index, options);\n      options.patched(index, updatedContent, function(err) {\n        if (err) {\n          return options.complete(err);\n        }\n\n        processIndex();\n      });\n    });\n  }\n  processIndex();\n}\n"]}
diff --git a/node_modules/libnpmdiff/node_modules/diff/lib/patch/create.js b/node_modules/libnpmdiff/node_modules/diff/lib/patch/create.js
new file mode 100644
index 0000000000000..48bb4668442a9
--- /dev/null
+++ b/node_modules/libnpmdiff/node_modules/diff/lib/patch/create.js
@@ -0,0 +1,267 @@
+/*istanbul ignore start*/
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.structuredPatch = structuredPatch;
+exports.formatPatch = formatPatch;
+exports.createTwoFilesPatch = createTwoFilesPatch;
+exports.createPatch = createPatch;
+
+/*istanbul ignore end*/
+var
+/*istanbul ignore start*/
+_line = require("../diff/line")
+/*istanbul ignore end*/
+;
+
+/*istanbul ignore start*/ function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }
+
+function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
+
+function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
+
+function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter); }
+
+function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }
+
+function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
+
+/*istanbul ignore end*/
+function structuredPatch(oldFileName, newFileName, oldStr, newStr, oldHeader, newHeader, options) {
+  if (!options) {
+    options = {};
+  }
+
+  if (typeof options.context === 'undefined') {
+    options.context = 4;
+  }
+
+  var diff =
+  /*istanbul ignore start*/
+  (0,
+  /*istanbul ignore end*/
+
+  /*istanbul ignore start*/
+  _line
+  /*istanbul ignore end*/
+  .
+  /*istanbul ignore start*/
+  diffLines)
+  /*istanbul ignore end*/
+  (oldStr, newStr, options);
+  diff.push({
+    value: '',
+    lines: []
+  }); // Append an empty value to make cleanup easier
+
+  function contextLines(lines) {
+    return lines.map(function (entry) {
+      return ' ' + entry;
+    });
+  }
+
+  var hunks = [];
+  var oldRangeStart = 0,
+      newRangeStart = 0,
+      curRange = [],
+      oldLine = 1,
+      newLine = 1;
+
+  /*istanbul ignore start*/
+  var _loop = function _loop(
+  /*istanbul ignore end*/
+  i) {
+    var current = diff[i],
+        lines = current.lines || current.value.replace(/\n$/, '').split('\n');
+    current.lines = lines;
+
+    if (current.added || current.removed) {
+      /*istanbul ignore start*/
+      var _curRange;
+
+      /*istanbul ignore end*/
+      // If we have previous context, start with that
+      if (!oldRangeStart) {
+        var prev = diff[i - 1];
+        oldRangeStart = oldLine;
+        newRangeStart = newLine;
+
+        if (prev) {
+          curRange = options.context > 0 ? contextLines(prev.lines.slice(-options.context)) : [];
+          oldRangeStart -= curRange.length;
+          newRangeStart -= curRange.length;
+        }
+      } // Output our changes
+
+
+      /*istanbul ignore start*/
+
+      /*istanbul ignore end*/
+
+      /*istanbul ignore start*/
+      (_curRange =
+      /*istanbul ignore end*/
+      curRange).push.apply(
+      /*istanbul ignore start*/
+      _curRange
+      /*istanbul ignore end*/
+      ,
+      /*istanbul ignore start*/
+      _toConsumableArray(
+      /*istanbul ignore end*/
+      lines.map(function (entry) {
+        return (current.added ? '+' : '-') + entry;
+      }))); // Track the updated file position
+
+
+      if (current.added) {
+        newLine += lines.length;
+      } else {
+        oldLine += lines.length;
+      }
+    } else {
+      // Identical context lines. Track line changes
+      if (oldRangeStart) {
+        // Close out any changes that have been output (or join overlapping)
+        if (lines.length <= options.context * 2 && i < diff.length - 2) {
+          /*istanbul ignore start*/
+          var _curRange2;
+
+          /*istanbul ignore end*/
+          // Overlapping
+
+          /*istanbul ignore start*/
+
+          /*istanbul ignore end*/
+
+          /*istanbul ignore start*/
+          (_curRange2 =
+          /*istanbul ignore end*/
+          curRange).push.apply(
+          /*istanbul ignore start*/
+          _curRange2
+          /*istanbul ignore end*/
+          ,
+          /*istanbul ignore start*/
+          _toConsumableArray(
+          /*istanbul ignore end*/
+          contextLines(lines)));
+        } else {
+          /*istanbul ignore start*/
+          var _curRange3;
+
+          /*istanbul ignore end*/
+          // end the range and output
+          var contextSize = Math.min(lines.length, options.context);
+
+          /*istanbul ignore start*/
+
+          /*istanbul ignore end*/
+
+          /*istanbul ignore start*/
+          (_curRange3 =
+          /*istanbul ignore end*/
+          curRange).push.apply(
+          /*istanbul ignore start*/
+          _curRange3
+          /*istanbul ignore end*/
+          ,
+          /*istanbul ignore start*/
+          _toConsumableArray(
+          /*istanbul ignore end*/
+          contextLines(lines.slice(0, contextSize))));
+
+          var hunk = {
+            oldStart: oldRangeStart,
+            oldLines: oldLine - oldRangeStart + contextSize,
+            newStart: newRangeStart,
+            newLines: newLine - newRangeStart + contextSize,
+            lines: curRange
+          };
+
+          if (i >= diff.length - 2 && lines.length <= options.context) {
+            // EOF is inside this hunk
+            var oldEOFNewline = /\n$/.test(oldStr);
+            var newEOFNewline = /\n$/.test(newStr);
+            var noNlBeforeAdds = lines.length == 0 && curRange.length > hunk.oldLines;
+
+            if (!oldEOFNewline && noNlBeforeAdds && oldStr.length > 0) {
+              // special case: old has no eol and no trailing context; no-nl can end up before adds
+              // however, if the old file is empty, do not output the no-nl line
+              curRange.splice(hunk.oldLines, 0, '\\ No newline at end of file');
+            }
+
+            if (!oldEOFNewline && !noNlBeforeAdds || !newEOFNewline) {
+              curRange.push('\\ No newline at end of file');
+            }
+          }
+
+          hunks.push(hunk);
+          oldRangeStart = 0;
+          newRangeStart = 0;
+          curRange = [];
+        }
+      }
+
+      oldLine += lines.length;
+      newLine += lines.length;
+    }
+  };
+
+  for (var i = 0; i < diff.length; i++) {
+    /*istanbul ignore start*/
+    _loop(
+    /*istanbul ignore end*/
+    i);
+  }
+
+  return {
+    oldFileName: oldFileName,
+    newFileName: newFileName,
+    oldHeader: oldHeader,
+    newHeader: newHeader,
+    hunks: hunks
+  };
+}
+
+function formatPatch(diff) {
+  var ret = [];
+
+  if (diff.oldFileName == diff.newFileName) {
+    ret.push('Index: ' + diff.oldFileName);
+  }
+
+  ret.push('===================================================================');
+  ret.push('--- ' + diff.oldFileName + (typeof diff.oldHeader === 'undefined' ? '' : '\t' + diff.oldHeader));
+  ret.push('+++ ' + diff.newFileName + (typeof diff.newHeader === 'undefined' ? '' : '\t' + diff.newHeader));
+
+  for (var i = 0; i < diff.hunks.length; i++) {
+    var hunk = diff.hunks[i]; // Unified Diff Format quirk: If the chunk size is 0,
+    // the first number is one lower than one would expect.
+    // https://www.artima.com/weblogs/viewpost.jsp?thread=164293
+
+    if (hunk.oldLines === 0) {
+      hunk.oldStart -= 1;
+    }
+
+    if (hunk.newLines === 0) {
+      hunk.newStart -= 1;
+    }
+
+    ret.push('@@ -' + hunk.oldStart + ',' + hunk.oldLines + ' +' + hunk.newStart + ',' + hunk.newLines + ' @@');
+    ret.push.apply(ret, hunk.lines);
+  }
+
+  return ret.join('\n') + '\n';
+}
+
+function createTwoFilesPatch(oldFileName, newFileName, oldStr, newStr, oldHeader, newHeader, options) {
+  return formatPatch(structuredPatch(oldFileName, newFileName, oldStr, newStr, oldHeader, newHeader, options));
+}
+
+function createPatch(fileName, oldStr, newStr, oldHeader, newHeader, options) {
+  return createTwoFilesPatch(fileName, fileName, oldStr, newStr, oldHeader, newHeader, options);
+}
+//# sourceMappingURL=data:application/json;charset=utf-8;base64,{"version":3,"sources":["../../src/patch/create.js"],"names":["structuredPatch","oldFileName","newFileName","oldStr","newStr","oldHeader","newHeader","options","context","diff","diffLines","push","value","lines","contextLines","map","entry","hunks","oldRangeStart","newRangeStart","curRange","oldLine","newLine","i","current","replace","split","added","removed","prev","slice","length","contextSize","Math","min","hunk","oldStart","oldLines","newStart","newLines","oldEOFNewline","test","newEOFNewline","noNlBeforeAdds","splice","formatPatch","ret","apply","join","createTwoFilesPatch","createPatch","fileName"],"mappings":";;;;;;;;;;;;AAAA;AAAA;AAAA;AAAA;AAAA;;;;;;;;;;;;;;;AAEO,SAASA,eAAT,CAAyBC,WAAzB,EAAsCC,WAAtC,EAAmDC,MAAnD,EAA2DC,MAA3D,EAAmEC,SAAnE,EAA8EC,SAA9E,EAAyFC,OAAzF,EAAkG;AACvG,MAAI,CAACA,OAAL,EAAc;AACZA,IAAAA,OAAO,GAAG,EAAV;AACD;;AACD,MAAI,OAAOA,OAAO,CAACC,OAAf,KAA2B,WAA/B,EAA4C;AAC1CD,IAAAA,OAAO,CAACC,OAAR,GAAkB,CAAlB;AACD;;AAED,MAAMC,IAAI;AAAG;AAAA;AAAA;;AAAAC;AAAAA;AAAAA;AAAAA;AAAAA;AAAAA;AAAA;AAAA,GAAUP,MAAV,EAAkBC,MAAlB,EAA0BG,OAA1B,CAAb;AACAE,EAAAA,IAAI,CAACE,IAAL,CAAU;AAACC,IAAAA,KAAK,EAAE,EAAR;AAAYC,IAAAA,KAAK,EAAE;AAAnB,GAAV,EATuG,CASpE;;AAEnC,WAASC,YAAT,CAAsBD,KAAtB,EAA6B;AAC3B,WAAOA,KAAK,CAACE,GAAN,CAAU,UAASC,KAAT,EAAgB;AAAE,aAAO,MAAMA,KAAb;AAAqB,KAAjD,CAAP;AACD;;AAED,MAAIC,KAAK,GAAG,EAAZ;AACA,MAAIC,aAAa,GAAG,CAApB;AAAA,MAAuBC,aAAa,GAAG,CAAvC;AAAA,MAA0CC,QAAQ,GAAG,EAArD;AAAA,MACIC,OAAO,GAAG,CADd;AAAA,MACiBC,OAAO,GAAG,CAD3B;;AAhBuG;AAAA;AAAA;AAkB9FC,EAAAA,CAlB8F;AAmBrG,QAAMC,OAAO,GAAGf,IAAI,CAACc,CAAD,CAApB;AAAA,QACMV,KAAK,GAAGW,OAAO,CAACX,KAAR,IAAiBW,OAAO,CAACZ,KAAR,CAAca,OAAd,CAAsB,KAAtB,EAA6B,EAA7B,EAAiCC,KAAjC,CAAuC,IAAvC,CAD/B;AAEAF,IAAAA,OAAO,CAACX,KAAR,GAAgBA,KAAhB;;AAEA,QAAIW,OAAO,CAACG,KAAR,IAAiBH,OAAO,CAACI,OAA7B,EAAsC;AAAA;AAAA;;AAAA;AACpC;AACA,UAAI,CAACV,aAAL,EAAoB;AAClB,YAAMW,IAAI,GAAGpB,IAAI,CAACc,CAAC,GAAG,CAAL,CAAjB;AACAL,QAAAA,aAAa,GAAGG,OAAhB;AACAF,QAAAA,aAAa,GAAGG,OAAhB;;AAEA,YAAIO,IAAJ,EAAU;AACRT,UAAAA,QAAQ,GAAGb,OAAO,CAACC,OAAR,GAAkB,CAAlB,GAAsBM,YAAY,CAACe,IAAI,CAAChB,KAAL,CAAWiB,KAAX,CAAiB,CAACvB,OAAO,CAACC,OAA1B,CAAD,CAAlC,GAAyE,EAApF;AACAU,UAAAA,aAAa,IAAIE,QAAQ,CAACW,MAA1B;AACAZ,UAAAA,aAAa,IAAIC,QAAQ,CAACW,MAA1B;AACD;AACF,OAZmC,CAcpC;;;AACA;;AAAA;;AAAA;AAAA;AAAA;AAAAX,MAAAA,QAAQ,EAACT,IAAT;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAkBE,MAAAA,KAAK,CAACE,GAAN,CAAU,UAASC,KAAT,EAAgB;AAC1C,eAAO,CAACQ,OAAO,CAACG,KAAR,GAAgB,GAAhB,GAAsB,GAAvB,IAA8BX,KAArC;AACD,OAFiB,CAAlB,GAfoC,CAmBpC;;;AACA,UAAIQ,OAAO,CAACG,KAAZ,EAAmB;AACjBL,QAAAA,OAAO,IAAIT,KAAK,CAACkB,MAAjB;AACD,OAFD,MAEO;AACLV,QAAAA,OAAO,IAAIR,KAAK,CAACkB,MAAjB;AACD;AACF,KAzBD,MAyBO;AACL;AACA,UAAIb,aAAJ,EAAmB;AACjB;AACA,YAAIL,KAAK,CAACkB,MAAN,IAAgBxB,OAAO,CAACC,OAAR,GAAkB,CAAlC,IAAuCe,CAAC,GAAGd,IAAI,CAACsB,MAAL,GAAc,CAA7D,EAAgE;AAAA;AAAA;;AAAA;AAC9D;;AACA;;AAAA;;AAAA;AAAA;AAAA;AAAAX,UAAAA,QAAQ,EAACT,IAAT;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAkBG,UAAAA,YAAY,CAACD,KAAD,CAA9B;AACD,SAHD,MAGO;AAAA;AAAA;;AAAA;AACL;AACA,cAAImB,WAAW,GAAGC,IAAI,CAACC,GAAL,CAASrB,KAAK,CAACkB,MAAf,EAAuBxB,OAAO,CAACC,OAA/B,CAAlB;;AACA;;AAAA;;AAAA;AAAA;AAAA;AAAAY,UAAAA,QAAQ,EAACT,IAAT;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAkBG,UAAAA,YAAY,CAACD,KAAK,CAACiB,KAAN,CAAY,CAAZ,EAAeE,WAAf,CAAD,CAA9B;;AAEA,cAAIG,IAAI,GAAG;AACTC,YAAAA,QAAQ,EAAElB,aADD;AAETmB,YAAAA,QAAQ,EAAGhB,OAAO,GAAGH,aAAV,GAA0Bc,WAF5B;AAGTM,YAAAA,QAAQ,EAAEnB,aAHD;AAIToB,YAAAA,QAAQ,EAAGjB,OAAO,GAAGH,aAAV,GAA0Ba,WAJ5B;AAKTnB,YAAAA,KAAK,EAAEO;AALE,WAAX;;AAOA,cAAIG,CAAC,IAAId,IAAI,CAACsB,MAAL,GAAc,CAAnB,IAAwBlB,KAAK,CAACkB,MAAN,IAAgBxB,OAAO,CAACC,OAApD,EAA6D;AAC3D;AACA,gBAAIgC,aAAa,GAAK,KAAD,CAAQC,IAAR,CAAatC,MAAb,CAArB;AACA,gBAAIuC,aAAa,GAAK,KAAD,CAAQD,IAAR,CAAarC,MAAb,CAArB;AACA,gBAAIuC,cAAc,GAAG9B,KAAK,CAACkB,MAAN,IAAgB,CAAhB,IAAqBX,QAAQ,CAACW,MAAT,GAAkBI,IAAI,CAACE,QAAjE;;AACA,gBAAI,CAACG,aAAD,IAAkBG,cAAlB,IAAoCxC,MAAM,CAAC4B,MAAP,GAAgB,CAAxD,EAA2D;AACzD;AACA;AACAX,cAAAA,QAAQ,CAACwB,MAAT,CAAgBT,IAAI,CAACE,QAArB,EAA+B,CAA/B,EAAkC,8BAAlC;AACD;;AACD,gBAAK,CAACG,aAAD,IAAkB,CAACG,cAApB,IAAuC,CAACD,aAA5C,EAA2D;AACzDtB,cAAAA,QAAQ,CAACT,IAAT,CAAc,8BAAd;AACD;AACF;;AACDM,UAAAA,KAAK,CAACN,IAAN,CAAWwB,IAAX;AAEAjB,UAAAA,aAAa,GAAG,CAAhB;AACAC,UAAAA,aAAa,GAAG,CAAhB;AACAC,UAAAA,QAAQ,GAAG,EAAX;AACD;AACF;;AACDC,MAAAA,OAAO,IAAIR,KAAK,CAACkB,MAAjB;AACAT,MAAAA,OAAO,IAAIT,KAAK,CAACkB,MAAjB;AACD;AA1FoG;;AAkBvG,OAAK,IAAIR,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGd,IAAI,CAACsB,MAAzB,EAAiCR,CAAC,EAAlC,EAAsC;AAAA;AAAA;AAAA;AAA7BA,IAAAA,CAA6B;AAyErC;;AAED,SAAO;AACLtB,IAAAA,WAAW,EAAEA,WADR;AACqBC,IAAAA,WAAW,EAAEA,WADlC;AAELG,IAAAA,SAAS,EAAEA,SAFN;AAEiBC,IAAAA,SAAS,EAAEA,SAF5B;AAGLW,IAAAA,KAAK,EAAEA;AAHF,GAAP;AAKD;;AAEM,SAAS4B,WAAT,CAAqBpC,IAArB,EAA2B;AAChC,MAAMqC,GAAG,GAAG,EAAZ;;AACA,MAAIrC,IAAI,CAACR,WAAL,IAAoBQ,IAAI,CAACP,WAA7B,EAA0C;AACxC4C,IAAAA,GAAG,CAACnC,IAAJ,CAAS,YAAYF,IAAI,CAACR,WAA1B;AACD;;AACD6C,EAAAA,GAAG,CAACnC,IAAJ,CAAS,qEAAT;AACAmC,EAAAA,GAAG,CAACnC,IAAJ,CAAS,SAASF,IAAI,CAACR,WAAd,IAA6B,OAAOQ,IAAI,CAACJ,SAAZ,KAA0B,WAA1B,GAAwC,EAAxC,GAA6C,OAAOI,IAAI,CAACJ,SAAtF,CAAT;AACAyC,EAAAA,GAAG,CAACnC,IAAJ,CAAS,SAASF,IAAI,CAACP,WAAd,IAA6B,OAAOO,IAAI,CAACH,SAAZ,KAA0B,WAA1B,GAAwC,EAAxC,GAA6C,OAAOG,IAAI,CAACH,SAAtF,CAAT;;AAEA,OAAK,IAAIiB,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGd,IAAI,CAACQ,KAAL,CAAWc,MAA/B,EAAuCR,CAAC,EAAxC,EAA4C;AAC1C,QAAMY,IAAI,GAAG1B,IAAI,CAACQ,KAAL,CAAWM,CAAX,CAAb,CAD0C,CAE1C;AACA;AACA;;AACA,QAAIY,IAAI,CAACE,QAAL,KAAkB,CAAtB,EAAyB;AACvBF,MAAAA,IAAI,CAACC,QAAL,IAAiB,CAAjB;AACD;;AACD,QAAID,IAAI,CAACI,QAAL,KAAkB,CAAtB,EAAyB;AACvBJ,MAAAA,IAAI,CAACG,QAAL,IAAiB,CAAjB;AACD;;AACDQ,IAAAA,GAAG,CAACnC,IAAJ,CACE,SAASwB,IAAI,CAACC,QAAd,GAAyB,GAAzB,GAA+BD,IAAI,CAACE,QAApC,GACE,IADF,GACSF,IAAI,CAACG,QADd,GACyB,GADzB,GAC+BH,IAAI,CAACI,QADpC,GAEE,KAHJ;AAKAO,IAAAA,GAAG,CAACnC,IAAJ,CAASoC,KAAT,CAAeD,GAAf,EAAoBX,IAAI,CAACtB,KAAzB;AACD;;AAED,SAAOiC,GAAG,CAACE,IAAJ,CAAS,IAAT,IAAiB,IAAxB;AACD;;AAEM,SAASC,mBAAT,CAA6BhD,WAA7B,EAA0CC,WAA1C,EAAuDC,MAAvD,EAA+DC,MAA/D,EAAuEC,SAAvE,EAAkFC,SAAlF,EAA6FC,OAA7F,EAAsG;AAC3G,SAAOsC,WAAW,CAAC7C,eAAe,CAACC,WAAD,EAAcC,WAAd,EAA2BC,MAA3B,EAAmCC,MAAnC,EAA2CC,SAA3C,EAAsDC,SAAtD,EAAiEC,OAAjE,CAAhB,CAAlB;AACD;;AAEM,SAAS2C,WAAT,CAAqBC,QAArB,EAA+BhD,MAA/B,EAAuCC,MAAvC,EAA+CC,SAA/C,EAA0DC,SAA1D,EAAqEC,OAArE,EAA8E;AACnF,SAAO0C,mBAAmB,CAACE,QAAD,EAAWA,QAAX,EAAqBhD,MAArB,EAA6BC,MAA7B,EAAqCC,SAArC,EAAgDC,SAAhD,EAA2DC,OAA3D,CAA1B;AACD","sourcesContent":["import {diffLines} from '../diff/line';\n\nexport function structuredPatch(oldFileName, newFileName, oldStr, newStr, oldHeader, newHeader, options) {\n  if (!options) {\n    options = {};\n  }\n  if (typeof options.context === 'undefined') {\n    options.context = 4;\n  }\n\n  const diff = diffLines(oldStr, newStr, options);\n  diff.push({value: '', lines: []}); // Append an empty value to make cleanup easier\n\n  function contextLines(lines) {\n    return lines.map(function(entry) { return ' ' + entry; });\n  }\n\n  let hunks = [];\n  let oldRangeStart = 0, newRangeStart = 0, curRange = [],\n      oldLine = 1, newLine = 1;\n  for (let i = 0; i < diff.length; i++) {\n    const current = diff[i],\n          lines = current.lines || current.value.replace(/\\n$/, '').split('\\n');\n    current.lines = lines;\n\n    if (current.added || current.removed) {\n      // If we have previous context, start with that\n      if (!oldRangeStart) {\n        const prev = diff[i - 1];\n        oldRangeStart = oldLine;\n        newRangeStart = newLine;\n\n        if (prev) {\n          curRange = options.context > 0 ? contextLines(prev.lines.slice(-options.context)) : [];\n          oldRangeStart -= curRange.length;\n          newRangeStart -= curRange.length;\n        }\n      }\n\n      // Output our changes\n      curRange.push(... lines.map(function(entry) {\n        return (current.added ? '+' : '-') + entry;\n      }));\n\n      // Track the updated file position\n      if (current.added) {\n        newLine += lines.length;\n      } else {\n        oldLine += lines.length;\n      }\n    } else {\n      // Identical context lines. Track line changes\n      if (oldRangeStart) {\n        // Close out any changes that have been output (or join overlapping)\n        if (lines.length <= options.context * 2 && i < diff.length - 2) {\n          // Overlapping\n          curRange.push(... contextLines(lines));\n        } else {\n          // end the range and output\n          let contextSize = Math.min(lines.length, options.context);\n          curRange.push(... contextLines(lines.slice(0, contextSize)));\n\n          let hunk = {\n            oldStart: oldRangeStart,\n            oldLines: (oldLine - oldRangeStart + contextSize),\n            newStart: newRangeStart,\n            newLines: (newLine - newRangeStart + contextSize),\n            lines: curRange\n          };\n          if (i >= diff.length - 2 && lines.length <= options.context) {\n            // EOF is inside this hunk\n            let oldEOFNewline = ((/\\n$/).test(oldStr));\n            let newEOFNewline = ((/\\n$/).test(newStr));\n            let noNlBeforeAdds = lines.length == 0 && curRange.length > hunk.oldLines;\n            if (!oldEOFNewline && noNlBeforeAdds && oldStr.length > 0) {\n              // special case: old has no eol and no trailing context; no-nl can end up before adds\n              // however, if the old file is empty, do not output the no-nl line\n              curRange.splice(hunk.oldLines, 0, '\\\\ No newline at end of file');\n            }\n            if ((!oldEOFNewline && !noNlBeforeAdds) || !newEOFNewline) {\n              curRange.push('\\\\ No newline at end of file');\n            }\n          }\n          hunks.push(hunk);\n\n          oldRangeStart = 0;\n          newRangeStart = 0;\n          curRange = [];\n        }\n      }\n      oldLine += lines.length;\n      newLine += lines.length;\n    }\n  }\n\n  return {\n    oldFileName: oldFileName, newFileName: newFileName,\n    oldHeader: oldHeader, newHeader: newHeader,\n    hunks: hunks\n  };\n}\n\nexport function formatPatch(diff) {\n  const ret = [];\n  if (diff.oldFileName == diff.newFileName) {\n    ret.push('Index: ' + diff.oldFileName);\n  }\n  ret.push('===================================================================');\n  ret.push('--- ' + diff.oldFileName + (typeof diff.oldHeader === 'undefined' ? '' : '\\t' + diff.oldHeader));\n  ret.push('+++ ' + diff.newFileName + (typeof diff.newHeader === 'undefined' ? '' : '\\t' + diff.newHeader));\n\n  for (let i = 0; i < diff.hunks.length; i++) {\n    const hunk = diff.hunks[i];\n    // Unified Diff Format quirk: If the chunk size is 0,\n    // the first number is one lower than one would expect.\n    // https://www.artima.com/weblogs/viewpost.jsp?thread=164293\n    if (hunk.oldLines === 0) {\n      hunk.oldStart -= 1;\n    }\n    if (hunk.newLines === 0) {\n      hunk.newStart -= 1;\n    }\n    ret.push(\n      '@@ -' + hunk.oldStart + ',' + hunk.oldLines\n      + ' +' + hunk.newStart + ',' + hunk.newLines\n      + ' @@'\n    );\n    ret.push.apply(ret, hunk.lines);\n  }\n\n  return ret.join('\\n') + '\\n';\n}\n\nexport function createTwoFilesPatch(oldFileName, newFileName, oldStr, newStr, oldHeader, newHeader, options) {\n  return formatPatch(structuredPatch(oldFileName, newFileName, oldStr, newStr, oldHeader, newHeader, options));\n}\n\nexport function createPatch(fileName, oldStr, newStr, oldHeader, newHeader, options) {\n  return createTwoFilesPatch(fileName, fileName, oldStr, newStr, oldHeader, newHeader, options);\n}\n"]}
diff --git a/node_modules/libnpmdiff/node_modules/diff/lib/patch/merge.js b/node_modules/libnpmdiff/node_modules/diff/lib/patch/merge.js
new file mode 100644
index 0000000000000..b46faaaba8e8b
--- /dev/null
+++ b/node_modules/libnpmdiff/node_modules/diff/lib/patch/merge.js
@@ -0,0 +1,613 @@
+/*istanbul ignore start*/
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.calcLineCount = calcLineCount;
+exports.merge = merge;
+
+/*istanbul ignore end*/
+var
+/*istanbul ignore start*/
+_create = require("./create")
+/*istanbul ignore end*/
+;
+
+var
+/*istanbul ignore start*/
+_parse = require("./parse")
+/*istanbul ignore end*/
+;
+
+var
+/*istanbul ignore start*/
+_array = require("../util/array")
+/*istanbul ignore end*/
+;
+
+/*istanbul ignore start*/ function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }
+
+function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
+
+function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
+
+function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter); }
+
+function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }
+
+function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
+
+/*istanbul ignore end*/
+function calcLineCount(hunk) {
+  /*istanbul ignore start*/
+  var _calcOldNewLineCount =
+  /*istanbul ignore end*/
+  calcOldNewLineCount(hunk.lines),
+      oldLines = _calcOldNewLineCount.oldLines,
+      newLines = _calcOldNewLineCount.newLines;
+
+  if (oldLines !== undefined) {
+    hunk.oldLines = oldLines;
+  } else {
+    delete hunk.oldLines;
+  }
+
+  if (newLines !== undefined) {
+    hunk.newLines = newLines;
+  } else {
+    delete hunk.newLines;
+  }
+}
+
+function merge(mine, theirs, base) {
+  mine = loadPatch(mine, base);
+  theirs = loadPatch(theirs, base);
+  var ret = {}; // For index we just let it pass through as it doesn't have any necessary meaning.
+  // Leaving sanity checks on this to the API consumer that may know more about the
+  // meaning in their own context.
+
+  if (mine.index || theirs.index) {
+    ret.index = mine.index || theirs.index;
+  }
+
+  if (mine.newFileName || theirs.newFileName) {
+    if (!fileNameChanged(mine)) {
+      // No header or no change in ours, use theirs (and ours if theirs does not exist)
+      ret.oldFileName = theirs.oldFileName || mine.oldFileName;
+      ret.newFileName = theirs.newFileName || mine.newFileName;
+      ret.oldHeader = theirs.oldHeader || mine.oldHeader;
+      ret.newHeader = theirs.newHeader || mine.newHeader;
+    } else if (!fileNameChanged(theirs)) {
+      // No header or no change in theirs, use ours
+      ret.oldFileName = mine.oldFileName;
+      ret.newFileName = mine.newFileName;
+      ret.oldHeader = mine.oldHeader;
+      ret.newHeader = mine.newHeader;
+    } else {
+      // Both changed... figure it out
+      ret.oldFileName = selectField(ret, mine.oldFileName, theirs.oldFileName);
+      ret.newFileName = selectField(ret, mine.newFileName, theirs.newFileName);
+      ret.oldHeader = selectField(ret, mine.oldHeader, theirs.oldHeader);
+      ret.newHeader = selectField(ret, mine.newHeader, theirs.newHeader);
+    }
+  }
+
+  ret.hunks = [];
+  var mineIndex = 0,
+      theirsIndex = 0,
+      mineOffset = 0,
+      theirsOffset = 0;
+
+  while (mineIndex < mine.hunks.length || theirsIndex < theirs.hunks.length) {
+    var mineCurrent = mine.hunks[mineIndex] || {
+      oldStart: Infinity
+    },
+        theirsCurrent = theirs.hunks[theirsIndex] || {
+      oldStart: Infinity
+    };
+
+    if (hunkBefore(mineCurrent, theirsCurrent)) {
+      // This patch does not overlap with any of the others, yay.
+      ret.hunks.push(cloneHunk(mineCurrent, mineOffset));
+      mineIndex++;
+      theirsOffset += mineCurrent.newLines - mineCurrent.oldLines;
+    } else if (hunkBefore(theirsCurrent, mineCurrent)) {
+      // This patch does not overlap with any of the others, yay.
+      ret.hunks.push(cloneHunk(theirsCurrent, theirsOffset));
+      theirsIndex++;
+      mineOffset += theirsCurrent.newLines - theirsCurrent.oldLines;
+    } else {
+      // Overlap, merge as best we can
+      var mergedHunk = {
+        oldStart: Math.min(mineCurrent.oldStart, theirsCurrent.oldStart),
+        oldLines: 0,
+        newStart: Math.min(mineCurrent.newStart + mineOffset, theirsCurrent.oldStart + theirsOffset),
+        newLines: 0,
+        lines: []
+      };
+      mergeLines(mergedHunk, mineCurrent.oldStart, mineCurrent.lines, theirsCurrent.oldStart, theirsCurrent.lines);
+      theirsIndex++;
+      mineIndex++;
+      ret.hunks.push(mergedHunk);
+    }
+  }
+
+  return ret;
+}
+
+function loadPatch(param, base) {
+  if (typeof param === 'string') {
+    if (/^@@/m.test(param) || /^Index:/m.test(param)) {
+      return (
+        /*istanbul ignore start*/
+        (0,
+        /*istanbul ignore end*/
+
+        /*istanbul ignore start*/
+        _parse
+        /*istanbul ignore end*/
+        .
+        /*istanbul ignore start*/
+        parsePatch)
+        /*istanbul ignore end*/
+        (param)[0]
+      );
+    }
+
+    if (!base) {
+      throw new Error('Must provide a base reference or pass in a patch');
+    }
+
+    return (
+      /*istanbul ignore start*/
+      (0,
+      /*istanbul ignore end*/
+
+      /*istanbul ignore start*/
+      _create
+      /*istanbul ignore end*/
+      .
+      /*istanbul ignore start*/
+      structuredPatch)
+      /*istanbul ignore end*/
+      (undefined, undefined, base, param)
+    );
+  }
+
+  return param;
+}
+
+function fileNameChanged(patch) {
+  return patch.newFileName && patch.newFileName !== patch.oldFileName;
+}
+
+function selectField(index, mine, theirs) {
+  if (mine === theirs) {
+    return mine;
+  } else {
+    index.conflict = true;
+    return {
+      mine: mine,
+      theirs: theirs
+    };
+  }
+}
+
+function hunkBefore(test, check) {
+  return test.oldStart < check.oldStart && test.oldStart + test.oldLines < check.oldStart;
+}
+
+function cloneHunk(hunk, offset) {
+  return {
+    oldStart: hunk.oldStart,
+    oldLines: hunk.oldLines,
+    newStart: hunk.newStart + offset,
+    newLines: hunk.newLines,
+    lines: hunk.lines
+  };
+}
+
+function mergeLines(hunk, mineOffset, mineLines, theirOffset, theirLines) {
+  // This will generally result in a conflicted hunk, but there are cases where the context
+  // is the only overlap where we can successfully merge the content here.
+  var mine = {
+    offset: mineOffset,
+    lines: mineLines,
+    index: 0
+  },
+      their = {
+    offset: theirOffset,
+    lines: theirLines,
+    index: 0
+  }; // Handle any leading content
+
+  insertLeading(hunk, mine, their);
+  insertLeading(hunk, their, mine); // Now in the overlap content. Scan through and select the best changes from each.
+
+  while (mine.index < mine.lines.length && their.index < their.lines.length) {
+    var mineCurrent = mine.lines[mine.index],
+        theirCurrent = their.lines[their.index];
+
+    if ((mineCurrent[0] === '-' || mineCurrent[0] === '+') && (theirCurrent[0] === '-' || theirCurrent[0] === '+')) {
+      // Both modified ...
+      mutualChange(hunk, mine, their);
+    } else if (mineCurrent[0] === '+' && theirCurrent[0] === ' ') {
+      /*istanbul ignore start*/
+      var _hunk$lines;
+
+      /*istanbul ignore end*/
+      // Mine inserted
+
+      /*istanbul ignore start*/
+
+      /*istanbul ignore end*/
+
+      /*istanbul ignore start*/
+      (_hunk$lines =
+      /*istanbul ignore end*/
+      hunk.lines).push.apply(
+      /*istanbul ignore start*/
+      _hunk$lines
+      /*istanbul ignore end*/
+      ,
+      /*istanbul ignore start*/
+      _toConsumableArray(
+      /*istanbul ignore end*/
+      collectChange(mine)));
+    } else if (theirCurrent[0] === '+' && mineCurrent[0] === ' ') {
+      /*istanbul ignore start*/
+      var _hunk$lines2;
+
+      /*istanbul ignore end*/
+      // Theirs inserted
+
+      /*istanbul ignore start*/
+
+      /*istanbul ignore end*/
+
+      /*istanbul ignore start*/
+      (_hunk$lines2 =
+      /*istanbul ignore end*/
+      hunk.lines).push.apply(
+      /*istanbul ignore start*/
+      _hunk$lines2
+      /*istanbul ignore end*/
+      ,
+      /*istanbul ignore start*/
+      _toConsumableArray(
+      /*istanbul ignore end*/
+      collectChange(their)));
+    } else if (mineCurrent[0] === '-' && theirCurrent[0] === ' ') {
+      // Mine removed or edited
+      removal(hunk, mine, their);
+    } else if (theirCurrent[0] === '-' && mineCurrent[0] === ' ') {
+      // Their removed or edited
+      removal(hunk, their, mine, true);
+    } else if (mineCurrent === theirCurrent) {
+      // Context identity
+      hunk.lines.push(mineCurrent);
+      mine.index++;
+      their.index++;
+    } else {
+      // Context mismatch
+      conflict(hunk, collectChange(mine), collectChange(their));
+    }
+  } // Now push anything that may be remaining
+
+
+  insertTrailing(hunk, mine);
+  insertTrailing(hunk, their);
+  calcLineCount(hunk);
+}
+
+function mutualChange(hunk, mine, their) {
+  var myChanges = collectChange(mine),
+      theirChanges = collectChange(their);
+
+  if (allRemoves(myChanges) && allRemoves(theirChanges)) {
+    // Special case for remove changes that are supersets of one another
+    if (
+    /*istanbul ignore start*/
+    (0,
+    /*istanbul ignore end*/
+
+    /*istanbul ignore start*/
+    _array
+    /*istanbul ignore end*/
+    .
+    /*istanbul ignore start*/
+    arrayStartsWith)
+    /*istanbul ignore end*/
+    (myChanges, theirChanges) && skipRemoveSuperset(their, myChanges, myChanges.length - theirChanges.length)) {
+      /*istanbul ignore start*/
+      var _hunk$lines3;
+
+      /*istanbul ignore end*/
+
+      /*istanbul ignore start*/
+
+      /*istanbul ignore end*/
+
+      /*istanbul ignore start*/
+      (_hunk$lines3 =
+      /*istanbul ignore end*/
+      hunk.lines).push.apply(
+      /*istanbul ignore start*/
+      _hunk$lines3
+      /*istanbul ignore end*/
+      ,
+      /*istanbul ignore start*/
+      _toConsumableArray(
+      /*istanbul ignore end*/
+      myChanges));
+
+      return;
+    } else if (
+    /*istanbul ignore start*/
+    (0,
+    /*istanbul ignore end*/
+
+    /*istanbul ignore start*/
+    _array
+    /*istanbul ignore end*/
+    .
+    /*istanbul ignore start*/
+    arrayStartsWith)
+    /*istanbul ignore end*/
+    (theirChanges, myChanges) && skipRemoveSuperset(mine, theirChanges, theirChanges.length - myChanges.length)) {
+      /*istanbul ignore start*/
+      var _hunk$lines4;
+
+      /*istanbul ignore end*/
+
+      /*istanbul ignore start*/
+
+      /*istanbul ignore end*/
+
+      /*istanbul ignore start*/
+      (_hunk$lines4 =
+      /*istanbul ignore end*/
+      hunk.lines).push.apply(
+      /*istanbul ignore start*/
+      _hunk$lines4
+      /*istanbul ignore end*/
+      ,
+      /*istanbul ignore start*/
+      _toConsumableArray(
+      /*istanbul ignore end*/
+      theirChanges));
+
+      return;
+    }
+  } else if (
+  /*istanbul ignore start*/
+  (0,
+  /*istanbul ignore end*/
+
+  /*istanbul ignore start*/
+  _array
+  /*istanbul ignore end*/
+  .
+  /*istanbul ignore start*/
+  arrayEqual)
+  /*istanbul ignore end*/
+  (myChanges, theirChanges)) {
+    /*istanbul ignore start*/
+    var _hunk$lines5;
+
+    /*istanbul ignore end*/
+
+    /*istanbul ignore start*/
+
+    /*istanbul ignore end*/
+
+    /*istanbul ignore start*/
+    (_hunk$lines5 =
+    /*istanbul ignore end*/
+    hunk.lines).push.apply(
+    /*istanbul ignore start*/
+    _hunk$lines5
+    /*istanbul ignore end*/
+    ,
+    /*istanbul ignore start*/
+    _toConsumableArray(
+    /*istanbul ignore end*/
+    myChanges));
+
+    return;
+  }
+
+  conflict(hunk, myChanges, theirChanges);
+}
+
+function removal(hunk, mine, their, swap) {
+  var myChanges = collectChange(mine),
+      theirChanges = collectContext(their, myChanges);
+
+  if (theirChanges.merged) {
+    /*istanbul ignore start*/
+    var _hunk$lines6;
+
+    /*istanbul ignore end*/
+
+    /*istanbul ignore start*/
+
+    /*istanbul ignore end*/
+
+    /*istanbul ignore start*/
+    (_hunk$lines6 =
+    /*istanbul ignore end*/
+    hunk.lines).push.apply(
+    /*istanbul ignore start*/
+    _hunk$lines6
+    /*istanbul ignore end*/
+    ,
+    /*istanbul ignore start*/
+    _toConsumableArray(
+    /*istanbul ignore end*/
+    theirChanges.merged));
+  } else {
+    conflict(hunk, swap ? theirChanges : myChanges, swap ? myChanges : theirChanges);
+  }
+}
+
+function conflict(hunk, mine, their) {
+  hunk.conflict = true;
+  hunk.lines.push({
+    conflict: true,
+    mine: mine,
+    theirs: their
+  });
+}
+
+function insertLeading(hunk, insert, their) {
+  while (insert.offset < their.offset && insert.index < insert.lines.length) {
+    var line = insert.lines[insert.index++];
+    hunk.lines.push(line);
+    insert.offset++;
+  }
+}
+
+function insertTrailing(hunk, insert) {
+  while (insert.index < insert.lines.length) {
+    var line = insert.lines[insert.index++];
+    hunk.lines.push(line);
+  }
+}
+
+function collectChange(state) {
+  var ret = [],
+      operation = state.lines[state.index][0];
+
+  while (state.index < state.lines.length) {
+    var line = state.lines[state.index]; // Group additions that are immediately after subtractions and treat them as one "atomic" modify change.
+
+    if (operation === '-' && line[0] === '+') {
+      operation = '+';
+    }
+
+    if (operation === line[0]) {
+      ret.push(line);
+      state.index++;
+    } else {
+      break;
+    }
+  }
+
+  return ret;
+}
+
+function collectContext(state, matchChanges) {
+  var changes = [],
+      merged = [],
+      matchIndex = 0,
+      contextChanges = false,
+      conflicted = false;
+
+  while (matchIndex < matchChanges.length && state.index < state.lines.length) {
+    var change = state.lines[state.index],
+        match = matchChanges[matchIndex]; // Once we've hit our add, then we are done
+
+    if (match[0] === '+') {
+      break;
+    }
+
+    contextChanges = contextChanges || change[0] !== ' ';
+    merged.push(match);
+    matchIndex++; // Consume any additions in the other block as a conflict to attempt
+    // to pull in the remaining context after this
+
+    if (change[0] === '+') {
+      conflicted = true;
+
+      while (change[0] === '+') {
+        changes.push(change);
+        change = state.lines[++state.index];
+      }
+    }
+
+    if (match.substr(1) === change.substr(1)) {
+      changes.push(change);
+      state.index++;
+    } else {
+      conflicted = true;
+    }
+  }
+
+  if ((matchChanges[matchIndex] || '')[0] === '+' && contextChanges) {
+    conflicted = true;
+  }
+
+  if (conflicted) {
+    return changes;
+  }
+
+  while (matchIndex < matchChanges.length) {
+    merged.push(matchChanges[matchIndex++]);
+  }
+
+  return {
+    merged: merged,
+    changes: changes
+  };
+}
+
+function allRemoves(changes) {
+  return changes.reduce(function (prev, change) {
+    return prev && change[0] === '-';
+  }, true);
+}
+
+function skipRemoveSuperset(state, removeChanges, delta) {
+  for (var i = 0; i < delta; i++) {
+    var changeContent = removeChanges[removeChanges.length - delta + i].substr(1);
+
+    if (state.lines[state.index + i] !== ' ' + changeContent) {
+      return false;
+    }
+  }
+
+  state.index += delta;
+  return true;
+}
+
+function calcOldNewLineCount(lines) {
+  var oldLines = 0;
+  var newLines = 0;
+  lines.forEach(function (line) {
+    if (typeof line !== 'string') {
+      var myCount = calcOldNewLineCount(line.mine);
+      var theirCount = calcOldNewLineCount(line.theirs);
+
+      if (oldLines !== undefined) {
+        if (myCount.oldLines === theirCount.oldLines) {
+          oldLines += myCount.oldLines;
+        } else {
+          oldLines = undefined;
+        }
+      }
+
+      if (newLines !== undefined) {
+        if (myCount.newLines === theirCount.newLines) {
+          newLines += myCount.newLines;
+        } else {
+          newLines = undefined;
+        }
+      }
+    } else {
+      if (newLines !== undefined && (line[0] === '+' || line[0] === ' ')) {
+        newLines++;
+      }
+
+      if (oldLines !== undefined && (line[0] === '-' || line[0] === ' ')) {
+        oldLines++;
+      }
+    }
+  });
+  return {
+    oldLines: oldLines,
+    newLines: newLines
+  };
+}
+//# sourceMappingURL=data:application/json;charset=utf-8;base64,{"version":3,"sources":["../../src/patch/merge.js"],"names":["calcLineCount","hunk","calcOldNewLineCount","lines","oldLines","newLines","undefined","merge","mine","theirs","base","loadPatch","ret","index","newFileName","fileNameChanged","oldFileName","oldHeader","newHeader","selectField","hunks","mineIndex","theirsIndex","mineOffset","theirsOffset","length","mineCurrent","oldStart","Infinity","theirsCurrent","hunkBefore","push","cloneHunk","mergedHunk","Math","min","newStart","mergeLines","param","test","parsePatch","Error","structuredPatch","patch","conflict","check","offset","mineLines","theirOffset","theirLines","their","insertLeading","theirCurrent","mutualChange","collectChange","removal","insertTrailing","myChanges","theirChanges","allRemoves","arrayStartsWith","skipRemoveSuperset","arrayEqual","swap","collectContext","merged","insert","line","state","operation","matchChanges","changes","matchIndex","contextChanges","conflicted","change","match","substr","reduce","prev","removeChanges","delta","i","changeContent","forEach","myCount","theirCount"],"mappings":";;;;;;;;;;AAAA;AAAA;AAAA;AAAA;AAAA;;AACA;AAAA;AAAA;AAAA;AAAA;;AAEA;AAAA;AAAA;AAAA;AAAA;;;;;;;;;;;;;;;AAEO,SAASA,aAAT,CAAuBC,IAAvB,EAA6B;AAAA;AAAA;AAAA;AACLC,EAAAA,mBAAmB,CAACD,IAAI,CAACE,KAAN,CADd;AAAA,MAC3BC,QAD2B,wBAC3BA,QAD2B;AAAA,MACjBC,QADiB,wBACjBA,QADiB;;AAGlC,MAAID,QAAQ,KAAKE,SAAjB,EAA4B;AAC1BL,IAAAA,IAAI,CAACG,QAAL,GAAgBA,QAAhB;AACD,GAFD,MAEO;AACL,WAAOH,IAAI,CAACG,QAAZ;AACD;;AAED,MAAIC,QAAQ,KAAKC,SAAjB,EAA4B;AAC1BL,IAAAA,IAAI,CAACI,QAAL,GAAgBA,QAAhB;AACD,GAFD,MAEO;AACL,WAAOJ,IAAI,CAACI,QAAZ;AACD;AACF;;AAEM,SAASE,KAAT,CAAeC,IAAf,EAAqBC,MAArB,EAA6BC,IAA7B,EAAmC;AACxCF,EAAAA,IAAI,GAAGG,SAAS,CAACH,IAAD,EAAOE,IAAP,CAAhB;AACAD,EAAAA,MAAM,GAAGE,SAAS,CAACF,MAAD,EAASC,IAAT,CAAlB;AAEA,MAAIE,GAAG,GAAG,EAAV,CAJwC,CAMxC;AACA;AACA;;AACA,MAAIJ,IAAI,CAACK,KAAL,IAAcJ,MAAM,CAACI,KAAzB,EAAgC;AAC9BD,IAAAA,GAAG,CAACC,KAAJ,GAAYL,IAAI,CAACK,KAAL,IAAcJ,MAAM,CAACI,KAAjC;AACD;;AAED,MAAIL,IAAI,CAACM,WAAL,IAAoBL,MAAM,CAACK,WAA/B,EAA4C;AAC1C,QAAI,CAACC,eAAe,CAACP,IAAD,CAApB,EAA4B;AAC1B;AACAI,MAAAA,GAAG,CAACI,WAAJ,GAAkBP,MAAM,CAACO,WAAP,IAAsBR,IAAI,CAACQ,WAA7C;AACAJ,MAAAA,GAAG,CAACE,WAAJ,GAAkBL,MAAM,CAACK,WAAP,IAAsBN,IAAI,CAACM,WAA7C;AACAF,MAAAA,GAAG,CAACK,SAAJ,GAAgBR,MAAM,CAACQ,SAAP,IAAoBT,IAAI,CAACS,SAAzC;AACAL,MAAAA,GAAG,CAACM,SAAJ,GAAgBT,MAAM,CAACS,SAAP,IAAoBV,IAAI,CAACU,SAAzC;AACD,KAND,MAMO,IAAI,CAACH,eAAe,CAACN,MAAD,CAApB,EAA8B;AACnC;AACAG,MAAAA,GAAG,CAACI,WAAJ,GAAkBR,IAAI,CAACQ,WAAvB;AACAJ,MAAAA,GAAG,CAACE,WAAJ,GAAkBN,IAAI,CAACM,WAAvB;AACAF,MAAAA,GAAG,CAACK,SAAJ,GAAgBT,IAAI,CAACS,SAArB;AACAL,MAAAA,GAAG,CAACM,SAAJ,GAAgBV,IAAI,CAACU,SAArB;AACD,KANM,MAMA;AACL;AACAN,MAAAA,GAAG,CAACI,WAAJ,GAAkBG,WAAW,CAACP,GAAD,EAAMJ,IAAI,CAACQ,WAAX,EAAwBP,MAAM,CAACO,WAA/B,CAA7B;AACAJ,MAAAA,GAAG,CAACE,WAAJ,GAAkBK,WAAW,CAACP,GAAD,EAAMJ,IAAI,CAACM,WAAX,EAAwBL,MAAM,CAACK,WAA/B,CAA7B;AACAF,MAAAA,GAAG,CAACK,SAAJ,GAAgBE,WAAW,CAACP,GAAD,EAAMJ,IAAI,CAACS,SAAX,EAAsBR,MAAM,CAACQ,SAA7B,CAA3B;AACAL,MAAAA,GAAG,CAACM,SAAJ,GAAgBC,WAAW,CAACP,GAAD,EAAMJ,IAAI,CAACU,SAAX,EAAsBT,MAAM,CAACS,SAA7B,CAA3B;AACD;AACF;;AAEDN,EAAAA,GAAG,CAACQ,KAAJ,GAAY,EAAZ;AAEA,MAAIC,SAAS,GAAG,CAAhB;AAAA,MACIC,WAAW,GAAG,CADlB;AAAA,MAEIC,UAAU,GAAG,CAFjB;AAAA,MAGIC,YAAY,GAAG,CAHnB;;AAKA,SAAOH,SAAS,GAAGb,IAAI,CAACY,KAAL,CAAWK,MAAvB,IAAiCH,WAAW,GAAGb,MAAM,CAACW,KAAP,CAAaK,MAAnE,EAA2E;AACzE,QAAIC,WAAW,GAAGlB,IAAI,CAACY,KAAL,CAAWC,SAAX,KAAyB;AAACM,MAAAA,QAAQ,EAAEC;AAAX,KAA3C;AAAA,QACIC,aAAa,GAAGpB,MAAM,CAACW,KAAP,CAAaE,WAAb,KAA6B;AAACK,MAAAA,QAAQ,EAAEC;AAAX,KADjD;;AAGA,QAAIE,UAAU,CAACJ,WAAD,EAAcG,aAAd,CAAd,EAA4C;AAC1C;AACAjB,MAAAA,GAAG,CAACQ,KAAJ,CAAUW,IAAV,CAAeC,SAAS,CAACN,WAAD,EAAcH,UAAd,CAAxB;AACAF,MAAAA,SAAS;AACTG,MAAAA,YAAY,IAAIE,WAAW,CAACrB,QAAZ,GAAuBqB,WAAW,CAACtB,QAAnD;AACD,KALD,MAKO,IAAI0B,UAAU,CAACD,aAAD,EAAgBH,WAAhB,CAAd,EAA4C;AACjD;AACAd,MAAAA,GAAG,CAACQ,KAAJ,CAAUW,IAAV,CAAeC,SAAS,CAACH,aAAD,EAAgBL,YAAhB,CAAxB;AACAF,MAAAA,WAAW;AACXC,MAAAA,UAAU,IAAIM,aAAa,CAACxB,QAAd,GAAyBwB,aAAa,CAACzB,QAArD;AACD,KALM,MAKA;AACL;AACA,UAAI6B,UAAU,GAAG;AACfN,QAAAA,QAAQ,EAAEO,IAAI,CAACC,GAAL,CAAST,WAAW,CAACC,QAArB,EAA+BE,aAAa,CAACF,QAA7C,CADK;AAEfvB,QAAAA,QAAQ,EAAE,CAFK;AAGfgC,QAAAA,QAAQ,EAAEF,IAAI,CAACC,GAAL,CAAST,WAAW,CAACU,QAAZ,GAAuBb,UAAhC,EAA4CM,aAAa,CAACF,QAAd,GAAyBH,YAArE,CAHK;AAIfnB,QAAAA,QAAQ,EAAE,CAJK;AAKfF,QAAAA,KAAK,EAAE;AALQ,OAAjB;AAOAkC,MAAAA,UAAU,CAACJ,UAAD,EAAaP,WAAW,CAACC,QAAzB,EAAmCD,WAAW,CAACvB,KAA/C,EAAsD0B,aAAa,CAACF,QAApE,EAA8EE,aAAa,CAAC1B,KAA5F,CAAV;AACAmB,MAAAA,WAAW;AACXD,MAAAA,SAAS;AAETT,MAAAA,GAAG,CAACQ,KAAJ,CAAUW,IAAV,CAAeE,UAAf;AACD;AACF;;AAED,SAAOrB,GAAP;AACD;;AAED,SAASD,SAAT,CAAmB2B,KAAnB,EAA0B5B,IAA1B,EAAgC;AAC9B,MAAI,OAAO4B,KAAP,KAAiB,QAArB,EAA+B;AAC7B,QAAK,MAAD,CAASC,IAAT,CAAcD,KAAd,KAA0B,UAAD,CAAaC,IAAb,CAAkBD,KAAlB,CAA7B,EAAwD;AACtD,aAAO;AAAA;AAAA;AAAA;;AAAAE;AAAAA;AAAAA;AAAAA;AAAAA;AAAAA;AAAA;AAAA,SAAWF,KAAX,EAAkB,CAAlB;AAAP;AACD;;AAED,QAAI,CAAC5B,IAAL,EAAW;AACT,YAAM,IAAI+B,KAAJ,CAAU,kDAAV,CAAN;AACD;;AACD,WAAO;AAAA;AAAA;AAAA;;AAAAC;AAAAA;AAAAA;AAAAA;AAAAA;AAAAA;AAAA;AAAA,OAAgBpC,SAAhB,EAA2BA,SAA3B,EAAsCI,IAAtC,EAA4C4B,KAA5C;AAAP;AACD;;AAED,SAAOA,KAAP;AACD;;AAED,SAASvB,eAAT,CAAyB4B,KAAzB,EAAgC;AAC9B,SAAOA,KAAK,CAAC7B,WAAN,IAAqB6B,KAAK,CAAC7B,WAAN,KAAsB6B,KAAK,CAAC3B,WAAxD;AACD;;AAED,SAASG,WAAT,CAAqBN,KAArB,EAA4BL,IAA5B,EAAkCC,MAAlC,EAA0C;AACxC,MAAID,IAAI,KAAKC,MAAb,EAAqB;AACnB,WAAOD,IAAP;AACD,GAFD,MAEO;AACLK,IAAAA,KAAK,CAAC+B,QAAN,GAAiB,IAAjB;AACA,WAAO;AAACpC,MAAAA,IAAI,EAAJA,IAAD;AAAOC,MAAAA,MAAM,EAANA;AAAP,KAAP;AACD;AACF;;AAED,SAASqB,UAAT,CAAoBS,IAApB,EAA0BM,KAA1B,EAAiC;AAC/B,SAAON,IAAI,CAACZ,QAAL,GAAgBkB,KAAK,CAAClB,QAAtB,IACDY,IAAI,CAACZ,QAAL,GAAgBY,IAAI,CAACnC,QAAtB,GAAkCyC,KAAK,CAAClB,QAD7C;AAED;;AAED,SAASK,SAAT,CAAmB/B,IAAnB,EAAyB6C,MAAzB,EAAiC;AAC/B,SAAO;AACLnB,IAAAA,QAAQ,EAAE1B,IAAI,CAAC0B,QADV;AACoBvB,IAAAA,QAAQ,EAAEH,IAAI,CAACG,QADnC;AAELgC,IAAAA,QAAQ,EAAEnC,IAAI,CAACmC,QAAL,GAAgBU,MAFrB;AAE6BzC,IAAAA,QAAQ,EAAEJ,IAAI,CAACI,QAF5C;AAGLF,IAAAA,KAAK,EAAEF,IAAI,CAACE;AAHP,GAAP;AAKD;;AAED,SAASkC,UAAT,CAAoBpC,IAApB,EAA0BsB,UAA1B,EAAsCwB,SAAtC,EAAiDC,WAAjD,EAA8DC,UAA9D,EAA0E;AACxE;AACA;AACA,MAAIzC,IAAI,GAAG;AAACsC,IAAAA,MAAM,EAAEvB,UAAT;AAAqBpB,IAAAA,KAAK,EAAE4C,SAA5B;AAAuClC,IAAAA,KAAK,EAAE;AAA9C,GAAX;AAAA,MACIqC,KAAK,GAAG;AAACJ,IAAAA,MAAM,EAAEE,WAAT;AAAsB7C,IAAAA,KAAK,EAAE8C,UAA7B;AAAyCpC,IAAAA,KAAK,EAAE;AAAhD,GADZ,CAHwE,CAMxE;;AACAsC,EAAAA,aAAa,CAAClD,IAAD,EAAOO,IAAP,EAAa0C,KAAb,CAAb;AACAC,EAAAA,aAAa,CAAClD,IAAD,EAAOiD,KAAP,EAAc1C,IAAd,CAAb,CARwE,CAUxE;;AACA,SAAOA,IAAI,CAACK,KAAL,GAAaL,IAAI,CAACL,KAAL,CAAWsB,MAAxB,IAAkCyB,KAAK,CAACrC,KAAN,GAAcqC,KAAK,CAAC/C,KAAN,CAAYsB,MAAnE,EAA2E;AACzE,QAAIC,WAAW,GAAGlB,IAAI,CAACL,KAAL,CAAWK,IAAI,CAACK,KAAhB,CAAlB;AAAA,QACIuC,YAAY,GAAGF,KAAK,CAAC/C,KAAN,CAAY+C,KAAK,CAACrC,KAAlB,CADnB;;AAGA,QAAI,CAACa,WAAW,CAAC,CAAD,CAAX,KAAmB,GAAnB,IAA0BA,WAAW,CAAC,CAAD,CAAX,KAAmB,GAA9C,MACI0B,YAAY,CAAC,CAAD,CAAZ,KAAoB,GAApB,IAA2BA,YAAY,CAAC,CAAD,CAAZ,KAAoB,GADnD,CAAJ,EAC6D;AAC3D;AACAC,MAAAA,YAAY,CAACpD,IAAD,EAAOO,IAAP,EAAa0C,KAAb,CAAZ;AACD,KAJD,MAIO,IAAIxB,WAAW,CAAC,CAAD,CAAX,KAAmB,GAAnB,IAA0B0B,YAAY,CAAC,CAAD,CAAZ,KAAoB,GAAlD,EAAuD;AAAA;AAAA;;AAAA;AAC5D;;AACA;;AAAA;;AAAA;AAAA;AAAA;AAAAnD,MAAAA,IAAI,CAACE,KAAL,EAAW4B,IAAX;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAoBuB,MAAAA,aAAa,CAAC9C,IAAD,CAAjC;AACD,KAHM,MAGA,IAAI4C,YAAY,CAAC,CAAD,CAAZ,KAAoB,GAApB,IAA2B1B,WAAW,CAAC,CAAD,CAAX,KAAmB,GAAlD,EAAuD;AAAA;AAAA;;AAAA;AAC5D;;AACA;;AAAA;;AAAA;AAAA;AAAA;AAAAzB,MAAAA,IAAI,CAACE,KAAL,EAAW4B,IAAX;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAoBuB,MAAAA,aAAa,CAACJ,KAAD,CAAjC;AACD,KAHM,MAGA,IAAIxB,WAAW,CAAC,CAAD,CAAX,KAAmB,GAAnB,IAA0B0B,YAAY,CAAC,CAAD,CAAZ,KAAoB,GAAlD,EAAuD;AAC5D;AACAG,MAAAA,OAAO,CAACtD,IAAD,EAAOO,IAAP,EAAa0C,KAAb,CAAP;AACD,KAHM,MAGA,IAAIE,YAAY,CAAC,CAAD,CAAZ,KAAoB,GAApB,IAA2B1B,WAAW,CAAC,CAAD,CAAX,KAAmB,GAAlD,EAAuD;AAC5D;AACA6B,MAAAA,OAAO,CAACtD,IAAD,EAAOiD,KAAP,EAAc1C,IAAd,EAAoB,IAApB,CAAP;AACD,KAHM,MAGA,IAAIkB,WAAW,KAAK0B,YAApB,EAAkC;AACvC;AACAnD,MAAAA,IAAI,CAACE,KAAL,CAAW4B,IAAX,CAAgBL,WAAhB;AACAlB,MAAAA,IAAI,CAACK,KAAL;AACAqC,MAAAA,KAAK,CAACrC,KAAN;AACD,KALM,MAKA;AACL;AACA+B,MAAAA,QAAQ,CAAC3C,IAAD,EAAOqD,aAAa,CAAC9C,IAAD,CAApB,EAA4B8C,aAAa,CAACJ,KAAD,CAAzC,CAAR;AACD;AACF,GAxCuE,CA0CxE;;;AACAM,EAAAA,cAAc,CAACvD,IAAD,EAAOO,IAAP,CAAd;AACAgD,EAAAA,cAAc,CAACvD,IAAD,EAAOiD,KAAP,CAAd;AAEAlD,EAAAA,aAAa,CAACC,IAAD,CAAb;AACD;;AAED,SAASoD,YAAT,CAAsBpD,IAAtB,EAA4BO,IAA5B,EAAkC0C,KAAlC,EAAyC;AACvC,MAAIO,SAAS,GAAGH,aAAa,CAAC9C,IAAD,CAA7B;AAAA,MACIkD,YAAY,GAAGJ,aAAa,CAACJ,KAAD,CADhC;;AAGA,MAAIS,UAAU,CAACF,SAAD,CAAV,IAAyBE,UAAU,CAACD,YAAD,CAAvC,EAAuD;AACrD;AACA;AAAI;AAAA;AAAA;;AAAAE;AAAAA;AAAAA;AAAAA;AAAAA;AAAAA;AAAA;AAAA,KAAgBH,SAAhB,EAA2BC,YAA3B,KACGG,kBAAkB,CAACX,KAAD,EAAQO,SAAR,EAAmBA,SAAS,CAAChC,MAAV,GAAmBiC,YAAY,CAACjC,MAAnD,CADzB,EACqF;AAAA;AAAA;;AAAA;;AACnF;;AAAA;;AAAA;AAAA;AAAA;AAAAxB,MAAAA,IAAI,CAACE,KAAL,EAAW4B,IAAX;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAoB0B,MAAAA,SAApB;;AACA;AACD,KAJD,MAIO;AAAI;AAAA;AAAA;;AAAAG;AAAAA;AAAAA;AAAAA;AAAAA;AAAAA;AAAA;AAAA,KAAgBF,YAAhB,EAA8BD,SAA9B,KACJI,kBAAkB,CAACrD,IAAD,EAAOkD,YAAP,EAAqBA,YAAY,CAACjC,MAAb,GAAsBgC,SAAS,CAAChC,MAArD,CADlB,EACgF;AAAA;AAAA;;AAAA;;AACrF;;AAAA;;AAAA;AAAA;AAAA;AAAAxB,MAAAA,IAAI,CAACE,KAAL,EAAW4B,IAAX;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAoB2B,MAAAA,YAApB;;AACA;AACD;AACF,GAXD,MAWO;AAAI;AAAA;AAAA;;AAAAI;AAAAA;AAAAA;AAAAA;AAAAA;AAAAA;AAAA;AAAA,GAAWL,SAAX,EAAsBC,YAAtB,CAAJ,EAAyC;AAAA;AAAA;;AAAA;;AAC9C;;AAAA;;AAAA;AAAA;AAAA;AAAAzD,IAAAA,IAAI,CAACE,KAAL,EAAW4B,IAAX;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAoB0B,IAAAA,SAApB;;AACA;AACD;;AAEDb,EAAAA,QAAQ,CAAC3C,IAAD,EAAOwD,SAAP,EAAkBC,YAAlB,CAAR;AACD;;AAED,SAASH,OAAT,CAAiBtD,IAAjB,EAAuBO,IAAvB,EAA6B0C,KAA7B,EAAoCa,IAApC,EAA0C;AACxC,MAAIN,SAAS,GAAGH,aAAa,CAAC9C,IAAD,CAA7B;AAAA,MACIkD,YAAY,GAAGM,cAAc,CAACd,KAAD,EAAQO,SAAR,CADjC;;AAEA,MAAIC,YAAY,CAACO,MAAjB,EAAyB;AAAA;AAAA;;AAAA;;AACvB;;AAAA;;AAAA;AAAA;AAAA;AAAAhE,IAAAA,IAAI,CAACE,KAAL,EAAW4B,IAAX;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAoB2B,IAAAA,YAAY,CAACO,MAAjC;AACD,GAFD,MAEO;AACLrB,IAAAA,QAAQ,CAAC3C,IAAD,EAAO8D,IAAI,GAAGL,YAAH,GAAkBD,SAA7B,EAAwCM,IAAI,GAAGN,SAAH,GAAeC,YAA3D,CAAR;AACD;AACF;;AAED,SAASd,QAAT,CAAkB3C,IAAlB,EAAwBO,IAAxB,EAA8B0C,KAA9B,EAAqC;AACnCjD,EAAAA,IAAI,CAAC2C,QAAL,GAAgB,IAAhB;AACA3C,EAAAA,IAAI,CAACE,KAAL,CAAW4B,IAAX,CAAgB;AACda,IAAAA,QAAQ,EAAE,IADI;AAEdpC,IAAAA,IAAI,EAAEA,IAFQ;AAGdC,IAAAA,MAAM,EAAEyC;AAHM,GAAhB;AAKD;;AAED,SAASC,aAAT,CAAuBlD,IAAvB,EAA6BiE,MAA7B,EAAqChB,KAArC,EAA4C;AAC1C,SAAOgB,MAAM,CAACpB,MAAP,GAAgBI,KAAK,CAACJ,MAAtB,IAAgCoB,MAAM,CAACrD,KAAP,GAAeqD,MAAM,CAAC/D,KAAP,CAAasB,MAAnE,EAA2E;AACzE,QAAI0C,IAAI,GAAGD,MAAM,CAAC/D,KAAP,CAAa+D,MAAM,CAACrD,KAAP,EAAb,CAAX;AACAZ,IAAAA,IAAI,CAACE,KAAL,CAAW4B,IAAX,CAAgBoC,IAAhB;AACAD,IAAAA,MAAM,CAACpB,MAAP;AACD;AACF;;AACD,SAASU,cAAT,CAAwBvD,IAAxB,EAA8BiE,MAA9B,EAAsC;AACpC,SAAOA,MAAM,CAACrD,KAAP,GAAeqD,MAAM,CAAC/D,KAAP,CAAasB,MAAnC,EAA2C;AACzC,QAAI0C,IAAI,GAAGD,MAAM,CAAC/D,KAAP,CAAa+D,MAAM,CAACrD,KAAP,EAAb,CAAX;AACAZ,IAAAA,IAAI,CAACE,KAAL,CAAW4B,IAAX,CAAgBoC,IAAhB;AACD;AACF;;AAED,SAASb,aAAT,CAAuBc,KAAvB,EAA8B;AAC5B,MAAIxD,GAAG,GAAG,EAAV;AAAA,MACIyD,SAAS,GAAGD,KAAK,CAACjE,KAAN,CAAYiE,KAAK,CAACvD,KAAlB,EAAyB,CAAzB,CADhB;;AAEA,SAAOuD,KAAK,CAACvD,KAAN,GAAcuD,KAAK,CAACjE,KAAN,CAAYsB,MAAjC,EAAyC;AACvC,QAAI0C,IAAI,GAAGC,KAAK,CAACjE,KAAN,CAAYiE,KAAK,CAACvD,KAAlB,CAAX,CADuC,CAGvC;;AACA,QAAIwD,SAAS,KAAK,GAAd,IAAqBF,IAAI,CAAC,CAAD,CAAJ,KAAY,GAArC,EAA0C;AACxCE,MAAAA,SAAS,GAAG,GAAZ;AACD;;AAED,QAAIA,SAAS,KAAKF,IAAI,CAAC,CAAD,CAAtB,EAA2B;AACzBvD,MAAAA,GAAG,CAACmB,IAAJ,CAASoC,IAAT;AACAC,MAAAA,KAAK,CAACvD,KAAN;AACD,KAHD,MAGO;AACL;AACD;AACF;;AAED,SAAOD,GAAP;AACD;;AACD,SAASoD,cAAT,CAAwBI,KAAxB,EAA+BE,YAA/B,EAA6C;AAC3C,MAAIC,OAAO,GAAG,EAAd;AAAA,MACIN,MAAM,GAAG,EADb;AAAA,MAEIO,UAAU,GAAG,CAFjB;AAAA,MAGIC,cAAc,GAAG,KAHrB;AAAA,MAIIC,UAAU,GAAG,KAJjB;;AAKA,SAAOF,UAAU,GAAGF,YAAY,CAAC7C,MAA1B,IACE2C,KAAK,CAACvD,KAAN,GAAcuD,KAAK,CAACjE,KAAN,CAAYsB,MADnC,EAC2C;AACzC,QAAIkD,MAAM,GAAGP,KAAK,CAACjE,KAAN,CAAYiE,KAAK,CAACvD,KAAlB,CAAb;AAAA,QACI+D,KAAK,GAAGN,YAAY,CAACE,UAAD,CADxB,CADyC,CAIzC;;AACA,QAAII,KAAK,CAAC,CAAD,CAAL,KAAa,GAAjB,EAAsB;AACpB;AACD;;AAEDH,IAAAA,cAAc,GAAGA,cAAc,IAAIE,MAAM,CAAC,CAAD,CAAN,KAAc,GAAjD;AAEAV,IAAAA,MAAM,CAAClC,IAAP,CAAY6C,KAAZ;AACAJ,IAAAA,UAAU,GAZ+B,CAczC;AACA;;AACA,QAAIG,MAAM,CAAC,CAAD,CAAN,KAAc,GAAlB,EAAuB;AACrBD,MAAAA,UAAU,GAAG,IAAb;;AAEA,aAAOC,MAAM,CAAC,CAAD,CAAN,KAAc,GAArB,EAA0B;AACxBJ,QAAAA,OAAO,CAACxC,IAAR,CAAa4C,MAAb;AACAA,QAAAA,MAAM,GAAGP,KAAK,CAACjE,KAAN,CAAY,EAAEiE,KAAK,CAACvD,KAApB,CAAT;AACD;AACF;;AAED,QAAI+D,KAAK,CAACC,MAAN,CAAa,CAAb,MAAoBF,MAAM,CAACE,MAAP,CAAc,CAAd,CAAxB,EAA0C;AACxCN,MAAAA,OAAO,CAACxC,IAAR,CAAa4C,MAAb;AACAP,MAAAA,KAAK,CAACvD,KAAN;AACD,KAHD,MAGO;AACL6D,MAAAA,UAAU,GAAG,IAAb;AACD;AACF;;AAED,MAAI,CAACJ,YAAY,CAACE,UAAD,CAAZ,IAA4B,EAA7B,EAAiC,CAAjC,MAAwC,GAAxC,IACGC,cADP,EACuB;AACrBC,IAAAA,UAAU,GAAG,IAAb;AACD;;AAED,MAAIA,UAAJ,EAAgB;AACd,WAAOH,OAAP;AACD;;AAED,SAAOC,UAAU,GAAGF,YAAY,CAAC7C,MAAjC,EAAyC;AACvCwC,IAAAA,MAAM,CAAClC,IAAP,CAAYuC,YAAY,CAACE,UAAU,EAAX,CAAxB;AACD;;AAED,SAAO;AACLP,IAAAA,MAAM,EAANA,MADK;AAELM,IAAAA,OAAO,EAAPA;AAFK,GAAP;AAID;;AAED,SAASZ,UAAT,CAAoBY,OAApB,EAA6B;AAC3B,SAAOA,OAAO,CAACO,MAAR,CAAe,UAASC,IAAT,EAAeJ,MAAf,EAAuB;AAC3C,WAAOI,IAAI,IAAIJ,MAAM,CAAC,CAAD,CAAN,KAAc,GAA7B;AACD,GAFM,EAEJ,IAFI,CAAP;AAGD;;AACD,SAASd,kBAAT,CAA4BO,KAA5B,EAAmCY,aAAnC,EAAkDC,KAAlD,EAAyD;AACvD,OAAK,IAAIC,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGD,KAApB,EAA2BC,CAAC,EAA5B,EAAgC;AAC9B,QAAIC,aAAa,GAAGH,aAAa,CAACA,aAAa,CAACvD,MAAd,GAAuBwD,KAAvB,GAA+BC,CAAhC,CAAb,CAAgDL,MAAhD,CAAuD,CAAvD,CAApB;;AACA,QAAIT,KAAK,CAACjE,KAAN,CAAYiE,KAAK,CAACvD,KAAN,GAAcqE,CAA1B,MAAiC,MAAMC,aAA3C,EAA0D;AACxD,aAAO,KAAP;AACD;AACF;;AAEDf,EAAAA,KAAK,CAACvD,KAAN,IAAeoE,KAAf;AACA,SAAO,IAAP;AACD;;AAED,SAAS/E,mBAAT,CAA6BC,KAA7B,EAAoC;AAClC,MAAIC,QAAQ,GAAG,CAAf;AACA,MAAIC,QAAQ,GAAG,CAAf;AAEAF,EAAAA,KAAK,CAACiF,OAAN,CAAc,UAASjB,IAAT,EAAe;AAC3B,QAAI,OAAOA,IAAP,KAAgB,QAApB,EAA8B;AAC5B,UAAIkB,OAAO,GAAGnF,mBAAmB,CAACiE,IAAI,CAAC3D,IAAN,CAAjC;AACA,UAAI8E,UAAU,GAAGpF,mBAAmB,CAACiE,IAAI,CAAC1D,MAAN,CAApC;;AAEA,UAAIL,QAAQ,KAAKE,SAAjB,EAA4B;AAC1B,YAAI+E,OAAO,CAACjF,QAAR,KAAqBkF,UAAU,CAAClF,QAApC,EAA8C;AAC5CA,UAAAA,QAAQ,IAAIiF,OAAO,CAACjF,QAApB;AACD,SAFD,MAEO;AACLA,UAAAA,QAAQ,GAAGE,SAAX;AACD;AACF;;AAED,UAAID,QAAQ,KAAKC,SAAjB,EAA4B;AAC1B,YAAI+E,OAAO,CAAChF,QAAR,KAAqBiF,UAAU,CAACjF,QAApC,EAA8C;AAC5CA,UAAAA,QAAQ,IAAIgF,OAAO,CAAChF,QAApB;AACD,SAFD,MAEO;AACLA,UAAAA,QAAQ,GAAGC,SAAX;AACD;AACF;AACF,KAnBD,MAmBO;AACL,UAAID,QAAQ,KAAKC,SAAb,KAA2B6D,IAAI,CAAC,CAAD,CAAJ,KAAY,GAAZ,IAAmBA,IAAI,CAAC,CAAD,CAAJ,KAAY,GAA1D,CAAJ,EAAoE;AAClE9D,QAAAA,QAAQ;AACT;;AACD,UAAID,QAAQ,KAAKE,SAAb,KAA2B6D,IAAI,CAAC,CAAD,CAAJ,KAAY,GAAZ,IAAmBA,IAAI,CAAC,CAAD,CAAJ,KAAY,GAA1D,CAAJ,EAAoE;AAClE/D,QAAAA,QAAQ;AACT;AACF;AACF,GA5BD;AA8BA,SAAO;AAACA,IAAAA,QAAQ,EAARA,QAAD;AAAWC,IAAAA,QAAQ,EAARA;AAAX,GAAP;AACD","sourcesContent":["import {structuredPatch} from './create';\nimport {parsePatch} from './parse';\n\nimport {arrayEqual, arrayStartsWith} from '../util/array';\n\nexport function calcLineCount(hunk) {\n  const {oldLines, newLines} = calcOldNewLineCount(hunk.lines);\n\n  if (oldLines !== undefined) {\n    hunk.oldLines = oldLines;\n  } else {\n    delete hunk.oldLines;\n  }\n\n  if (newLines !== undefined) {\n    hunk.newLines = newLines;\n  } else {\n    delete hunk.newLines;\n  }\n}\n\nexport function merge(mine, theirs, base) {\n  mine = loadPatch(mine, base);\n  theirs = loadPatch(theirs, base);\n\n  let ret = {};\n\n  // For index we just let it pass through as it doesn't have any necessary meaning.\n  // Leaving sanity checks on this to the API consumer that may know more about the\n  // meaning in their own context.\n  if (mine.index || theirs.index) {\n    ret.index = mine.index || theirs.index;\n  }\n\n  if (mine.newFileName || theirs.newFileName) {\n    if (!fileNameChanged(mine)) {\n      // No header or no change in ours, use theirs (and ours if theirs does not exist)\n      ret.oldFileName = theirs.oldFileName || mine.oldFileName;\n      ret.newFileName = theirs.newFileName || mine.newFileName;\n      ret.oldHeader = theirs.oldHeader || mine.oldHeader;\n      ret.newHeader = theirs.newHeader || mine.newHeader;\n    } else if (!fileNameChanged(theirs)) {\n      // No header or no change in theirs, use ours\n      ret.oldFileName = mine.oldFileName;\n      ret.newFileName = mine.newFileName;\n      ret.oldHeader = mine.oldHeader;\n      ret.newHeader = mine.newHeader;\n    } else {\n      // Both changed... figure it out\n      ret.oldFileName = selectField(ret, mine.oldFileName, theirs.oldFileName);\n      ret.newFileName = selectField(ret, mine.newFileName, theirs.newFileName);\n      ret.oldHeader = selectField(ret, mine.oldHeader, theirs.oldHeader);\n      ret.newHeader = selectField(ret, mine.newHeader, theirs.newHeader);\n    }\n  }\n\n  ret.hunks = [];\n\n  let mineIndex = 0,\n      theirsIndex = 0,\n      mineOffset = 0,\n      theirsOffset = 0;\n\n  while (mineIndex < mine.hunks.length || theirsIndex < theirs.hunks.length) {\n    let mineCurrent = mine.hunks[mineIndex] || {oldStart: Infinity},\n        theirsCurrent = theirs.hunks[theirsIndex] || {oldStart: Infinity};\n\n    if (hunkBefore(mineCurrent, theirsCurrent)) {\n      // This patch does not overlap with any of the others, yay.\n      ret.hunks.push(cloneHunk(mineCurrent, mineOffset));\n      mineIndex++;\n      theirsOffset += mineCurrent.newLines - mineCurrent.oldLines;\n    } else if (hunkBefore(theirsCurrent, mineCurrent)) {\n      // This patch does not overlap with any of the others, yay.\n      ret.hunks.push(cloneHunk(theirsCurrent, theirsOffset));\n      theirsIndex++;\n      mineOffset += theirsCurrent.newLines - theirsCurrent.oldLines;\n    } else {\n      // Overlap, merge as best we can\n      let mergedHunk = {\n        oldStart: Math.min(mineCurrent.oldStart, theirsCurrent.oldStart),\n        oldLines: 0,\n        newStart: Math.min(mineCurrent.newStart + mineOffset, theirsCurrent.oldStart + theirsOffset),\n        newLines: 0,\n        lines: []\n      };\n      mergeLines(mergedHunk, mineCurrent.oldStart, mineCurrent.lines, theirsCurrent.oldStart, theirsCurrent.lines);\n      theirsIndex++;\n      mineIndex++;\n\n      ret.hunks.push(mergedHunk);\n    }\n  }\n\n  return ret;\n}\n\nfunction loadPatch(param, base) {\n  if (typeof param === 'string') {\n    if ((/^@@/m).test(param) || ((/^Index:/m).test(param))) {\n      return parsePatch(param)[0];\n    }\n\n    if (!base) {\n      throw new Error('Must provide a base reference or pass in a patch');\n    }\n    return structuredPatch(undefined, undefined, base, param);\n  }\n\n  return param;\n}\n\nfunction fileNameChanged(patch) {\n  return patch.newFileName && patch.newFileName !== patch.oldFileName;\n}\n\nfunction selectField(index, mine, theirs) {\n  if (mine === theirs) {\n    return mine;\n  } else {\n    index.conflict = true;\n    return {mine, theirs};\n  }\n}\n\nfunction hunkBefore(test, check) {\n  return test.oldStart < check.oldStart\n    && (test.oldStart + test.oldLines) < check.oldStart;\n}\n\nfunction cloneHunk(hunk, offset) {\n  return {\n    oldStart: hunk.oldStart, oldLines: hunk.oldLines,\n    newStart: hunk.newStart + offset, newLines: hunk.newLines,\n    lines: hunk.lines\n  };\n}\n\nfunction mergeLines(hunk, mineOffset, mineLines, theirOffset, theirLines) {\n  // This will generally result in a conflicted hunk, but there are cases where the context\n  // is the only overlap where we can successfully merge the content here.\n  let mine = {offset: mineOffset, lines: mineLines, index: 0},\n      their = {offset: theirOffset, lines: theirLines, index: 0};\n\n  // Handle any leading content\n  insertLeading(hunk, mine, their);\n  insertLeading(hunk, their, mine);\n\n  // Now in the overlap content. Scan through and select the best changes from each.\n  while (mine.index < mine.lines.length && their.index < their.lines.length) {\n    let mineCurrent = mine.lines[mine.index],\n        theirCurrent = their.lines[their.index];\n\n    if ((mineCurrent[0] === '-' || mineCurrent[0] === '+')\n        && (theirCurrent[0] === '-' || theirCurrent[0] === '+')) {\n      // Both modified ...\n      mutualChange(hunk, mine, their);\n    } else if (mineCurrent[0] === '+' && theirCurrent[0] === ' ') {\n      // Mine inserted\n      hunk.lines.push(... collectChange(mine));\n    } else if (theirCurrent[0] === '+' && mineCurrent[0] === ' ') {\n      // Theirs inserted\n      hunk.lines.push(... collectChange(their));\n    } else if (mineCurrent[0] === '-' && theirCurrent[0] === ' ') {\n      // Mine removed or edited\n      removal(hunk, mine, their);\n    } else if (theirCurrent[0] === '-' && mineCurrent[0] === ' ') {\n      // Their removed or edited\n      removal(hunk, their, mine, true);\n    } else if (mineCurrent === theirCurrent) {\n      // Context identity\n      hunk.lines.push(mineCurrent);\n      mine.index++;\n      their.index++;\n    } else {\n      // Context mismatch\n      conflict(hunk, collectChange(mine), collectChange(their));\n    }\n  }\n\n  // Now push anything that may be remaining\n  insertTrailing(hunk, mine);\n  insertTrailing(hunk, their);\n\n  calcLineCount(hunk);\n}\n\nfunction mutualChange(hunk, mine, their) {\n  let myChanges = collectChange(mine),\n      theirChanges = collectChange(their);\n\n  if (allRemoves(myChanges) && allRemoves(theirChanges)) {\n    // Special case for remove changes that are supersets of one another\n    if (arrayStartsWith(myChanges, theirChanges)\n        && skipRemoveSuperset(their, myChanges, myChanges.length - theirChanges.length)) {\n      hunk.lines.push(... myChanges);\n      return;\n    } else if (arrayStartsWith(theirChanges, myChanges)\n        && skipRemoveSuperset(mine, theirChanges, theirChanges.length - myChanges.length)) {\n      hunk.lines.push(... theirChanges);\n      return;\n    }\n  } else if (arrayEqual(myChanges, theirChanges)) {\n    hunk.lines.push(... myChanges);\n    return;\n  }\n\n  conflict(hunk, myChanges, theirChanges);\n}\n\nfunction removal(hunk, mine, their, swap) {\n  let myChanges = collectChange(mine),\n      theirChanges = collectContext(their, myChanges);\n  if (theirChanges.merged) {\n    hunk.lines.push(... theirChanges.merged);\n  } else {\n    conflict(hunk, swap ? theirChanges : myChanges, swap ? myChanges : theirChanges);\n  }\n}\n\nfunction conflict(hunk, mine, their) {\n  hunk.conflict = true;\n  hunk.lines.push({\n    conflict: true,\n    mine: mine,\n    theirs: their\n  });\n}\n\nfunction insertLeading(hunk, insert, their) {\n  while (insert.offset < their.offset && insert.index < insert.lines.length) {\n    let line = insert.lines[insert.index++];\n    hunk.lines.push(line);\n    insert.offset++;\n  }\n}\nfunction insertTrailing(hunk, insert) {\n  while (insert.index < insert.lines.length) {\n    let line = insert.lines[insert.index++];\n    hunk.lines.push(line);\n  }\n}\n\nfunction collectChange(state) {\n  let ret = [],\n      operation = state.lines[state.index][0];\n  while (state.index < state.lines.length) {\n    let line = state.lines[state.index];\n\n    // Group additions that are immediately after subtractions and treat them as one \"atomic\" modify change.\n    if (operation === '-' && line[0] === '+') {\n      operation = '+';\n    }\n\n    if (operation === line[0]) {\n      ret.push(line);\n      state.index++;\n    } else {\n      break;\n    }\n  }\n\n  return ret;\n}\nfunction collectContext(state, matchChanges) {\n  let changes = [],\n      merged = [],\n      matchIndex = 0,\n      contextChanges = false,\n      conflicted = false;\n  while (matchIndex < matchChanges.length\n        && state.index < state.lines.length) {\n    let change = state.lines[state.index],\n        match = matchChanges[matchIndex];\n\n    // Once we've hit our add, then we are done\n    if (match[0] === '+') {\n      break;\n    }\n\n    contextChanges = contextChanges || change[0] !== ' ';\n\n    merged.push(match);\n    matchIndex++;\n\n    // Consume any additions in the other block as a conflict to attempt\n    // to pull in the remaining context after this\n    if (change[0] === '+') {\n      conflicted = true;\n\n      while (change[0] === '+') {\n        changes.push(change);\n        change = state.lines[++state.index];\n      }\n    }\n\n    if (match.substr(1) === change.substr(1)) {\n      changes.push(change);\n      state.index++;\n    } else {\n      conflicted = true;\n    }\n  }\n\n  if ((matchChanges[matchIndex] || '')[0] === '+'\n      && contextChanges) {\n    conflicted = true;\n  }\n\n  if (conflicted) {\n    return changes;\n  }\n\n  while (matchIndex < matchChanges.length) {\n    merged.push(matchChanges[matchIndex++]);\n  }\n\n  return {\n    merged,\n    changes\n  };\n}\n\nfunction allRemoves(changes) {\n  return changes.reduce(function(prev, change) {\n    return prev && change[0] === '-';\n  }, true);\n}\nfunction skipRemoveSuperset(state, removeChanges, delta) {\n  for (let i = 0; i < delta; i++) {\n    let changeContent = removeChanges[removeChanges.length - delta + i].substr(1);\n    if (state.lines[state.index + i] !== ' ' + changeContent) {\n      return false;\n    }\n  }\n\n  state.index += delta;\n  return true;\n}\n\nfunction calcOldNewLineCount(lines) {\n  let oldLines = 0;\n  let newLines = 0;\n\n  lines.forEach(function(line) {\n    if (typeof line !== 'string') {\n      let myCount = calcOldNewLineCount(line.mine);\n      let theirCount = calcOldNewLineCount(line.theirs);\n\n      if (oldLines !== undefined) {\n        if (myCount.oldLines === theirCount.oldLines) {\n          oldLines += myCount.oldLines;\n        } else {\n          oldLines = undefined;\n        }\n      }\n\n      if (newLines !== undefined) {\n        if (myCount.newLines === theirCount.newLines) {\n          newLines += myCount.newLines;\n        } else {\n          newLines = undefined;\n        }\n      }\n    } else {\n      if (newLines !== undefined && (line[0] === '+' || line[0] === ' ')) {\n        newLines++;\n      }\n      if (oldLines !== undefined && (line[0] === '-' || line[0] === ' ')) {\n        oldLines++;\n      }\n    }\n  });\n\n  return {oldLines, newLines};\n}\n"]}
diff --git a/node_modules/libnpmdiff/node_modules/diff/lib/patch/parse.js b/node_modules/libnpmdiff/node_modules/diff/lib/patch/parse.js
new file mode 100644
index 0000000000000..f1501048014f1
--- /dev/null
+++ b/node_modules/libnpmdiff/node_modules/diff/lib/patch/parse.js
@@ -0,0 +1,167 @@
+/*istanbul ignore start*/
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.parsePatch = parsePatch;
+
+/*istanbul ignore end*/
+function parsePatch(uniDiff) {
+  /*istanbul ignore start*/
+  var
+  /*istanbul ignore end*/
+  options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+  var diffstr = uniDiff.split(/\r\n|[\n\v\f\r\x85]/),
+      delimiters = uniDiff.match(/\r\n|[\n\v\f\r\x85]/g) || [],
+      list = [],
+      i = 0;
+
+  function parseIndex() {
+    var index = {};
+    list.push(index); // Parse diff metadata
+
+    while (i < diffstr.length) {
+      var line = diffstr[i]; // File header found, end parsing diff metadata
+
+      if (/^(\-\-\-|\+\+\+|@@)\s/.test(line)) {
+        break;
+      } // Diff index
+
+
+      var header = /^(?:Index:|diff(?: -r \w+)+)\s+(.+?)\s*$/.exec(line);
+
+      if (header) {
+        index.index = header[1];
+      }
+
+      i++;
+    } // Parse file headers if they are defined. Unified diff requires them, but
+    // there's no technical issues to have an isolated hunk without file header
+
+
+    parseFileHeader(index);
+    parseFileHeader(index); // Parse hunks
+
+    index.hunks = [];
+
+    while (i < diffstr.length) {
+      var _line = diffstr[i];
+
+      if (/^(Index:|diff|\-\-\-|\+\+\+)\s/.test(_line)) {
+        break;
+      } else if (/^@@/.test(_line)) {
+        index.hunks.push(parseHunk());
+      } else if (_line && options.strict) {
+        // Ignore unexpected content unless in strict mode
+        throw new Error('Unknown line ' + (i + 1) + ' ' + JSON.stringify(_line));
+      } else {
+        i++;
+      }
+    }
+  } // Parses the --- and +++ headers, if none are found, no lines
+  // are consumed.
+
+
+  function parseFileHeader(index) {
+    var fileHeader = /^(---|\+\+\+)\s+(.*)$/.exec(diffstr[i]);
+
+    if (fileHeader) {
+      var keyPrefix = fileHeader[1] === '---' ? 'old' : 'new';
+      var data = fileHeader[2].split('\t', 2);
+      var fileName = data[0].replace(/\\\\/g, '\\');
+
+      if (/^".*"$/.test(fileName)) {
+        fileName = fileName.substr(1, fileName.length - 2);
+      }
+
+      index[keyPrefix + 'FileName'] = fileName;
+      index[keyPrefix + 'Header'] = (data[1] || '').trim();
+      i++;
+    }
+  } // Parses a hunk
+  // This assumes that we are at the start of a hunk.
+
+
+  function parseHunk() {
+    var chunkHeaderIndex = i,
+        chunkHeaderLine = diffstr[i++],
+        chunkHeader = chunkHeaderLine.split(/@@ -(\d+)(?:,(\d+))? \+(\d+)(?:,(\d+))? @@/);
+    var hunk = {
+      oldStart: +chunkHeader[1],
+      oldLines: typeof chunkHeader[2] === 'undefined' ? 1 : +chunkHeader[2],
+      newStart: +chunkHeader[3],
+      newLines: typeof chunkHeader[4] === 'undefined' ? 1 : +chunkHeader[4],
+      lines: [],
+      linedelimiters: []
+    }; // Unified Diff Format quirk: If the chunk size is 0,
+    // the first number is one lower than one would expect.
+    // https://www.artima.com/weblogs/viewpost.jsp?thread=164293
+
+    if (hunk.oldLines === 0) {
+      hunk.oldStart += 1;
+    }
+
+    if (hunk.newLines === 0) {
+      hunk.newStart += 1;
+    }
+
+    var addCount = 0,
+        removeCount = 0;
+
+    for (; i < diffstr.length; i++) {
+      // Lines starting with '---' could be mistaken for the "remove line" operation
+      // But they could be the header for the next file. Therefore prune such cases out.
+      if (diffstr[i].indexOf('--- ') === 0 && i + 2 < diffstr.length && diffstr[i + 1].indexOf('+++ ') === 0 && diffstr[i + 2].indexOf('@@') === 0) {
+        break;
+      }
+
+      var operation = diffstr[i].length == 0 && i != diffstr.length - 1 ? ' ' : diffstr[i][0];
+
+      if (operation === '+' || operation === '-' || operation === ' ' || operation === '\\') {
+        hunk.lines.push(diffstr[i]);
+        hunk.linedelimiters.push(delimiters[i] || '\n');
+
+        if (operation === '+') {
+          addCount++;
+        } else if (operation === '-') {
+          removeCount++;
+        } else if (operation === ' ') {
+          addCount++;
+          removeCount++;
+        }
+      } else {
+        break;
+      }
+    } // Handle the empty block count case
+
+
+    if (!addCount && hunk.newLines === 1) {
+      hunk.newLines = 0;
+    }
+
+    if (!removeCount && hunk.oldLines === 1) {
+      hunk.oldLines = 0;
+    } // Perform optional sanity checking
+
+
+    if (options.strict) {
+      if (addCount !== hunk.newLines) {
+        throw new Error('Added line count did not match for hunk at line ' + (chunkHeaderIndex + 1));
+      }
+
+      if (removeCount !== hunk.oldLines) {
+        throw new Error('Removed line count did not match for hunk at line ' + (chunkHeaderIndex + 1));
+      }
+    }
+
+    return hunk;
+  }
+
+  while (i < diffstr.length) {
+    parseIndex();
+  }
+
+  return list;
+}
+//# sourceMappingURL=data:application/json;charset=utf-8;base64,{"version":3,"sources":["../../src/patch/parse.js"],"names":["parsePatch","uniDiff","options","diffstr","split","delimiters","match","list","i","parseIndex","index","push","length","line","test","header","exec","parseFileHeader","hunks","parseHunk","strict","Error","JSON","stringify","fileHeader","keyPrefix","data","fileName","replace","substr","trim","chunkHeaderIndex","chunkHeaderLine","chunkHeader","hunk","oldStart","oldLines","newStart","newLines","lines","linedelimiters","addCount","removeCount","indexOf","operation"],"mappings":";;;;;;;;;AAAO,SAASA,UAAT,CAAoBC,OAApB,EAA2C;AAAA;AAAA;AAAA;AAAdC,EAAAA,OAAc,uEAAJ,EAAI;AAChD,MAAIC,OAAO,GAAGF,OAAO,CAACG,KAAR,CAAc,qBAAd,CAAd;AAAA,MACIC,UAAU,GAAGJ,OAAO,CAACK,KAAR,CAAc,sBAAd,KAAyC,EAD1D;AAAA,MAEIC,IAAI,GAAG,EAFX;AAAA,MAGIC,CAAC,GAAG,CAHR;;AAKA,WAASC,UAAT,GAAsB;AACpB,QAAIC,KAAK,GAAG,EAAZ;AACAH,IAAAA,IAAI,CAACI,IAAL,CAAUD,KAAV,EAFoB,CAIpB;;AACA,WAAOF,CAAC,GAAGL,OAAO,CAACS,MAAnB,EAA2B;AACzB,UAAIC,IAAI,GAAGV,OAAO,CAACK,CAAD,CAAlB,CADyB,CAGzB;;AACA,UAAK,uBAAD,CAA0BM,IAA1B,CAA+BD,IAA/B,CAAJ,EAA0C;AACxC;AACD,OANwB,CAQzB;;;AACA,UAAIE,MAAM,GAAI,0CAAD,CAA6CC,IAA7C,CAAkDH,IAAlD,CAAb;;AACA,UAAIE,MAAJ,EAAY;AACVL,QAAAA,KAAK,CAACA,KAAN,GAAcK,MAAM,CAAC,CAAD,CAApB;AACD;;AAEDP,MAAAA,CAAC;AACF,KApBmB,CAsBpB;AACA;;;AACAS,IAAAA,eAAe,CAACP,KAAD,CAAf;AACAO,IAAAA,eAAe,CAACP,KAAD,CAAf,CAzBoB,CA2BpB;;AACAA,IAAAA,KAAK,CAACQ,KAAN,GAAc,EAAd;;AAEA,WAAOV,CAAC,GAAGL,OAAO,CAACS,MAAnB,EAA2B;AACzB,UAAIC,KAAI,GAAGV,OAAO,CAACK,CAAD,CAAlB;;AAEA,UAAK,gCAAD,CAAmCM,IAAnC,CAAwCD,KAAxC,CAAJ,EAAmD;AACjD;AACD,OAFD,MAEO,IAAK,KAAD,CAAQC,IAAR,CAAaD,KAAb,CAAJ,EAAwB;AAC7BH,QAAAA,KAAK,CAACQ,KAAN,CAAYP,IAAZ,CAAiBQ,SAAS,EAA1B;AACD,OAFM,MAEA,IAAIN,KAAI,IAAIX,OAAO,CAACkB,MAApB,EAA4B;AACjC;AACA,cAAM,IAAIC,KAAJ,CAAU,mBAAmBb,CAAC,GAAG,CAAvB,IAA4B,GAA5B,GAAkCc,IAAI,CAACC,SAAL,CAAeV,KAAf,CAA5C,CAAN;AACD,OAHM,MAGA;AACLL,QAAAA,CAAC;AACF;AACF;AACF,GAlD+C,CAoDhD;AACA;;;AACA,WAASS,eAAT,CAAyBP,KAAzB,EAAgC;AAC9B,QAAMc,UAAU,GAAI,uBAAD,CAA0BR,IAA1B,CAA+Bb,OAAO,CAACK,CAAD,CAAtC,CAAnB;;AACA,QAAIgB,UAAJ,EAAgB;AACd,UAAIC,SAAS,GAAGD,UAAU,CAAC,CAAD,CAAV,KAAkB,KAAlB,GAA0B,KAA1B,GAAkC,KAAlD;AACA,UAAME,IAAI,GAAGF,UAAU,CAAC,CAAD,CAAV,CAAcpB,KAAd,CAAoB,IAApB,EAA0B,CAA1B,CAAb;AACA,UAAIuB,QAAQ,GAAGD,IAAI,CAAC,CAAD,CAAJ,CAAQE,OAAR,CAAgB,OAAhB,EAAyB,IAAzB,CAAf;;AACA,UAAK,QAAD,CAAWd,IAAX,CAAgBa,QAAhB,CAAJ,EAA+B;AAC7BA,QAAAA,QAAQ,GAAGA,QAAQ,CAACE,MAAT,CAAgB,CAAhB,EAAmBF,QAAQ,CAACf,MAAT,GAAkB,CAArC,CAAX;AACD;;AACDF,MAAAA,KAAK,CAACe,SAAS,GAAG,UAAb,CAAL,GAAgCE,QAAhC;AACAjB,MAAAA,KAAK,CAACe,SAAS,GAAG,QAAb,CAAL,GAA8B,CAACC,IAAI,CAAC,CAAD,CAAJ,IAAW,EAAZ,EAAgBI,IAAhB,EAA9B;AAEAtB,MAAAA,CAAC;AACF;AACF,GApE+C,CAsEhD;AACA;;;AACA,WAASW,SAAT,GAAqB;AACnB,QAAIY,gBAAgB,GAAGvB,CAAvB;AAAA,QACIwB,eAAe,GAAG7B,OAAO,CAACK,CAAC,EAAF,CAD7B;AAAA,QAEIyB,WAAW,GAAGD,eAAe,CAAC5B,KAAhB,CAAsB,4CAAtB,CAFlB;AAIA,QAAI8B,IAAI,GAAG;AACTC,MAAAA,QAAQ,EAAE,CAACF,WAAW,CAAC,CAAD,CADb;AAETG,MAAAA,QAAQ,EAAE,OAAOH,WAAW,CAAC,CAAD,CAAlB,KAA0B,WAA1B,GAAwC,CAAxC,GAA4C,CAACA,WAAW,CAAC,CAAD,CAFzD;AAGTI,MAAAA,QAAQ,EAAE,CAACJ,WAAW,CAAC,CAAD,CAHb;AAITK,MAAAA,QAAQ,EAAE,OAAOL,WAAW,CAAC,CAAD,CAAlB,KAA0B,WAA1B,GAAwC,CAAxC,GAA4C,CAACA,WAAW,CAAC,CAAD,CAJzD;AAKTM,MAAAA,KAAK,EAAE,EALE;AAMTC,MAAAA,cAAc,EAAE;AANP,KAAX,CALmB,CAcnB;AACA;AACA;;AACA,QAAIN,IAAI,CAACE,QAAL,KAAkB,CAAtB,EAAyB;AACvBF,MAAAA,IAAI,CAACC,QAAL,IAAiB,CAAjB;AACD;;AACD,QAAID,IAAI,CAACI,QAAL,KAAkB,CAAtB,EAAyB;AACvBJ,MAAAA,IAAI,CAACG,QAAL,IAAiB,CAAjB;AACD;;AAED,QAAII,QAAQ,GAAG,CAAf;AAAA,QACIC,WAAW,GAAG,CADlB;;AAEA,WAAOlC,CAAC,GAAGL,OAAO,CAACS,MAAnB,EAA2BJ,CAAC,EAA5B,EAAgC;AAC9B;AACA;AACA,UAAIL,OAAO,CAACK,CAAD,CAAP,CAAWmC,OAAX,CAAmB,MAAnB,MAA+B,CAA/B,IACMnC,CAAC,GAAG,CAAJ,GAAQL,OAAO,CAACS,MADtB,IAEKT,OAAO,CAACK,CAAC,GAAG,CAAL,CAAP,CAAemC,OAAf,CAAuB,MAAvB,MAAmC,CAFxC,IAGKxC,OAAO,CAACK,CAAC,GAAG,CAAL,CAAP,CAAemC,OAAf,CAAuB,IAAvB,MAAiC,CAH1C,EAG6C;AACzC;AACH;;AACD,UAAIC,SAAS,GAAIzC,OAAO,CAACK,CAAD,CAAP,CAAWI,MAAX,IAAqB,CAArB,IAA0BJ,CAAC,IAAKL,OAAO,CAACS,MAAR,GAAiB,CAAlD,GAAwD,GAAxD,GAA8DT,OAAO,CAACK,CAAD,CAAP,CAAW,CAAX,CAA9E;;AAEA,UAAIoC,SAAS,KAAK,GAAd,IAAqBA,SAAS,KAAK,GAAnC,IAA0CA,SAAS,KAAK,GAAxD,IAA+DA,SAAS,KAAK,IAAjF,EAAuF;AACrFV,QAAAA,IAAI,CAACK,KAAL,CAAW5B,IAAX,CAAgBR,OAAO,CAACK,CAAD,CAAvB;AACA0B,QAAAA,IAAI,CAACM,cAAL,CAAoB7B,IAApB,CAAyBN,UAAU,CAACG,CAAD,CAAV,IAAiB,IAA1C;;AAEA,YAAIoC,SAAS,KAAK,GAAlB,EAAuB;AACrBH,UAAAA,QAAQ;AACT,SAFD,MAEO,IAAIG,SAAS,KAAK,GAAlB,EAAuB;AAC5BF,UAAAA,WAAW;AACZ,SAFM,MAEA,IAAIE,SAAS,KAAK,GAAlB,EAAuB;AAC5BH,UAAAA,QAAQ;AACRC,UAAAA,WAAW;AACZ;AACF,OAZD,MAYO;AACL;AACD;AACF,KApDkB,CAsDnB;;;AACA,QAAI,CAACD,QAAD,IAAaP,IAAI,CAACI,QAAL,KAAkB,CAAnC,EAAsC;AACpCJ,MAAAA,IAAI,CAACI,QAAL,GAAgB,CAAhB;AACD;;AACD,QAAI,CAACI,WAAD,IAAgBR,IAAI,CAACE,QAAL,KAAkB,CAAtC,EAAyC;AACvCF,MAAAA,IAAI,CAACE,QAAL,GAAgB,CAAhB;AACD,KA5DkB,CA8DnB;;;AACA,QAAIlC,OAAO,CAACkB,MAAZ,EAAoB;AAClB,UAAIqB,QAAQ,KAAKP,IAAI,CAACI,QAAtB,EAAgC;AAC9B,cAAM,IAAIjB,KAAJ,CAAU,sDAAsDU,gBAAgB,GAAG,CAAzE,CAAV,CAAN;AACD;;AACD,UAAIW,WAAW,KAAKR,IAAI,CAACE,QAAzB,EAAmC;AACjC,cAAM,IAAIf,KAAJ,CAAU,wDAAwDU,gBAAgB,GAAG,CAA3E,CAAV,CAAN;AACD;AACF;;AAED,WAAOG,IAAP;AACD;;AAED,SAAO1B,CAAC,GAAGL,OAAO,CAACS,MAAnB,EAA2B;AACzBH,IAAAA,UAAU;AACX;;AAED,SAAOF,IAAP;AACD","sourcesContent":["export function parsePatch(uniDiff, options = {}) {\n  let diffstr = uniDiff.split(/\\r\\n|[\\n\\v\\f\\r\\x85]/),\n      delimiters = uniDiff.match(/\\r\\n|[\\n\\v\\f\\r\\x85]/g) || [],\n      list = [],\n      i = 0;\n\n  function parseIndex() {\n    let index = {};\n    list.push(index);\n\n    // Parse diff metadata\n    while (i < diffstr.length) {\n      let line = diffstr[i];\n\n      // File header found, end parsing diff metadata\n      if ((/^(\\-\\-\\-|\\+\\+\\+|@@)\\s/).test(line)) {\n        break;\n      }\n\n      // Diff index\n      let header = (/^(?:Index:|diff(?: -r \\w+)+)\\s+(.+?)\\s*$/).exec(line);\n      if (header) {\n        index.index = header[1];\n      }\n\n      i++;\n    }\n\n    // Parse file headers if they are defined. Unified diff requires them, but\n    // there's no technical issues to have an isolated hunk without file header\n    parseFileHeader(index);\n    parseFileHeader(index);\n\n    // Parse hunks\n    index.hunks = [];\n\n    while (i < diffstr.length) {\n      let line = diffstr[i];\n\n      if ((/^(Index:|diff|\\-\\-\\-|\\+\\+\\+)\\s/).test(line)) {\n        break;\n      } else if ((/^@@/).test(line)) {\n        index.hunks.push(parseHunk());\n      } else if (line && options.strict) {\n        // Ignore unexpected content unless in strict mode\n        throw new Error('Unknown line ' + (i + 1) + ' ' + JSON.stringify(line));\n      } else {\n        i++;\n      }\n    }\n  }\n\n  // Parses the --- and +++ headers, if none are found, no lines\n  // are consumed.\n  function parseFileHeader(index) {\n    const fileHeader = (/^(---|\\+\\+\\+)\\s+(.*)$/).exec(diffstr[i]);\n    if (fileHeader) {\n      let keyPrefix = fileHeader[1] === '---' ? 'old' : 'new';\n      const data = fileHeader[2].split('\\t', 2);\n      let fileName = data[0].replace(/\\\\\\\\/g, '\\\\');\n      if ((/^\".*\"$/).test(fileName)) {\n        fileName = fileName.substr(1, fileName.length - 2);\n      }\n      index[keyPrefix + 'FileName'] = fileName;\n      index[keyPrefix + 'Header'] = (data[1] || '').trim();\n\n      i++;\n    }\n  }\n\n  // Parses a hunk\n  // This assumes that we are at the start of a hunk.\n  function parseHunk() {\n    let chunkHeaderIndex = i,\n        chunkHeaderLine = diffstr[i++],\n        chunkHeader = chunkHeaderLine.split(/@@ -(\\d+)(?:,(\\d+))? \\+(\\d+)(?:,(\\d+))? @@/);\n\n    let hunk = {\n      oldStart: +chunkHeader[1],\n      oldLines: typeof chunkHeader[2] === 'undefined' ? 1 : +chunkHeader[2],\n      newStart: +chunkHeader[3],\n      newLines: typeof chunkHeader[4] === 'undefined' ? 1 : +chunkHeader[4],\n      lines: [],\n      linedelimiters: []\n    };\n\n    // Unified Diff Format quirk: If the chunk size is 0,\n    // the first number is one lower than one would expect.\n    // https://www.artima.com/weblogs/viewpost.jsp?thread=164293\n    if (hunk.oldLines === 0) {\n      hunk.oldStart += 1;\n    }\n    if (hunk.newLines === 0) {\n      hunk.newStart += 1;\n    }\n\n    let addCount = 0,\n        removeCount = 0;\n    for (; i < diffstr.length; i++) {\n      // Lines starting with '---' could be mistaken for the \"remove line\" operation\n      // But they could be the header for the next file. Therefore prune such cases out.\n      if (diffstr[i].indexOf('--- ') === 0\n            && (i + 2 < diffstr.length)\n            && diffstr[i + 1].indexOf('+++ ') === 0\n            && diffstr[i + 2].indexOf('@@') === 0) {\n          break;\n      }\n      let operation = (diffstr[i].length == 0 && i != (diffstr.length - 1)) ? ' ' : diffstr[i][0];\n\n      if (operation === '+' || operation === '-' || operation === ' ' || operation === '\\\\') {\n        hunk.lines.push(diffstr[i]);\n        hunk.linedelimiters.push(delimiters[i] || '\\n');\n\n        if (operation === '+') {\n          addCount++;\n        } else if (operation === '-') {\n          removeCount++;\n        } else if (operation === ' ') {\n          addCount++;\n          removeCount++;\n        }\n      } else {\n        break;\n      }\n    }\n\n    // Handle the empty block count case\n    if (!addCount && hunk.newLines === 1) {\n      hunk.newLines = 0;\n    }\n    if (!removeCount && hunk.oldLines === 1) {\n      hunk.oldLines = 0;\n    }\n\n    // Perform optional sanity checking\n    if (options.strict) {\n      if (addCount !== hunk.newLines) {\n        throw new Error('Added line count did not match for hunk at line ' + (chunkHeaderIndex + 1));\n      }\n      if (removeCount !== hunk.oldLines) {\n        throw new Error('Removed line count did not match for hunk at line ' + (chunkHeaderIndex + 1));\n      }\n    }\n\n    return hunk;\n  }\n\n  while (i < diffstr.length) {\n    parseIndex();\n  }\n\n  return list;\n}\n"]}
diff --git a/node_modules/libnpmdiff/node_modules/diff/lib/util/array.js b/node_modules/libnpmdiff/node_modules/diff/lib/util/array.js
new file mode 100644
index 0000000000000..aecf67ac817c1
--- /dev/null
+++ b/node_modules/libnpmdiff/node_modules/diff/lib/util/array.js
@@ -0,0 +1,32 @@
+/*istanbul ignore start*/
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.arrayEqual = arrayEqual;
+exports.arrayStartsWith = arrayStartsWith;
+
+/*istanbul ignore end*/
+function arrayEqual(a, b) {
+  if (a.length !== b.length) {
+    return false;
+  }
+
+  return arrayStartsWith(a, b);
+}
+
+function arrayStartsWith(array, start) {
+  if (start.length > array.length) {
+    return false;
+  }
+
+  for (var i = 0; i < start.length; i++) {
+    if (start[i] !== array[i]) {
+      return false;
+    }
+  }
+
+  return true;
+}
+//# sourceMappingURL=data:application/json;charset=utf-8;base64,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
diff --git a/node_modules/libnpmdiff/node_modules/diff/lib/util/distance-iterator.js b/node_modules/libnpmdiff/node_modules/diff/lib/util/distance-iterator.js
new file mode 100644
index 0000000000000..57c06a3f9cf1c
--- /dev/null
+++ b/node_modules/libnpmdiff/node_modules/diff/lib/util/distance-iterator.js
@@ -0,0 +1,57 @@
+/*istanbul ignore start*/
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports["default"] = _default;
+
+/*istanbul ignore end*/
+// Iterator that traverses in the range of [min, max], stepping
+// by distance from a given start position. I.e. for [0, 4], with
+// start of 2, this will iterate 2, 3, 1, 4, 0.
+function
+/*istanbul ignore start*/
+_default
+/*istanbul ignore end*/
+(start, minLine, maxLine) {
+  var wantForward = true,
+      backwardExhausted = false,
+      forwardExhausted = false,
+      localOffset = 1;
+  return function iterator() {
+    if (wantForward && !forwardExhausted) {
+      if (backwardExhausted) {
+        localOffset++;
+      } else {
+        wantForward = false;
+      } // Check if trying to fit beyond text length, and if not, check it fits
+      // after offset location (or desired location on first iteration)
+
+
+      if (start + localOffset <= maxLine) {
+        return localOffset;
+      }
+
+      forwardExhausted = true;
+    }
+
+    if (!backwardExhausted) {
+      if (!forwardExhausted) {
+        wantForward = true;
+      } // Check if trying to fit before text beginning, and if not, check it fits
+      // before offset location
+
+
+      if (minLine <= start - localOffset) {
+        return -localOffset++;
+      }
+
+      backwardExhausted = true;
+      return iterator();
+    } // We tried to fit hunk before text beginning and beyond text length, then
+    // hunk can't fit on the text. Return undefined
+
+  };
+}
+//# sourceMappingURL=data:application/json;charset=utf-8;base64,eyJ2ZXJzaW9uIjozLCJzb3VyY2VzIjpbIi4uLy4uL3NyYy91dGlsL2Rpc3RhbmNlLWl0ZXJhdG9yLmpzIl0sIm5hbWVzIjpbInN0YXJ0IiwibWluTGluZSIsIm1heExpbmUiLCJ3YW50Rm9yd2FyZCIsImJhY2t3YXJkRXhoYXVzdGVkIiwiZm9yd2FyZEV4aGF1c3RlZCIsImxvY2FsT2Zmc2V0IiwiaXRlcmF0b3IiXSwibWFwcGluZ3MiOiI7Ozs7Ozs7OztBQUFBO0FBQ0E7QUFDQTtBQUNlO0FBQUE7QUFBQTtBQUFBO0FBQUEsQ0FBU0EsS0FBVCxFQUFnQkMsT0FBaEIsRUFBeUJDLE9BQXpCLEVBQWtDO0FBQy9DLE1BQUlDLFdBQVcsR0FBRyxJQUFsQjtBQUFBLE1BQ0lDLGlCQUFpQixHQUFHLEtBRHhCO0FBQUEsTUFFSUMsZ0JBQWdCLEdBQUcsS0FGdkI7QUFBQSxNQUdJQyxXQUFXLEdBQUcsQ0FIbEI7QUFLQSxTQUFPLFNBQVNDLFFBQVQsR0FBb0I7QUFDekIsUUFBSUosV0FBVyxJQUFJLENBQUNFLGdCQUFwQixFQUFzQztBQUNwQyxVQUFJRCxpQkFBSixFQUF1QjtBQUNyQkUsUUFBQUEsV0FBVztBQUNaLE9BRkQsTUFFTztBQUNMSCxRQUFBQSxXQUFXLEdBQUcsS0FBZDtBQUNELE9BTG1DLENBT3BDO0FBQ0E7OztBQUNBLFVBQUlILEtBQUssR0FBR00sV0FBUixJQUF1QkosT0FBM0IsRUFBb0M7QUFDbEMsZUFBT0ksV0FBUDtBQUNEOztBQUVERCxNQUFBQSxnQkFBZ0IsR0FBRyxJQUFuQjtBQUNEOztBQUVELFFBQUksQ0FBQ0QsaUJBQUwsRUFBd0I7QUFDdEIsVUFBSSxDQUFDQyxnQkFBTCxFQUF1QjtBQUNyQkYsUUFBQUEsV0FBVyxHQUFHLElBQWQ7QUFDRCxPQUhxQixDQUt0QjtBQUNBOzs7QUFDQSxVQUFJRixPQUFPLElBQUlELEtBQUssR0FBR00sV0FBdkIsRUFBb0M7QUFDbEMsZUFBTyxDQUFDQSxXQUFXLEVBQW5CO0FBQ0Q7O0FBRURGLE1BQUFBLGlCQUFpQixHQUFHLElBQXBCO0FBQ0EsYUFBT0csUUFBUSxFQUFmO0FBQ0QsS0E5QndCLENBZ0N6QjtBQUNBOztBQUNELEdBbENEO0FBbUNEIiwic291cmNlc0NvbnRlbnQiOlsiLy8gSXRlcmF0b3IgdGhhdCB0cmF2ZXJzZXMgaW4gdGhlIHJhbmdlIG9mIFttaW4sIG1heF0sIHN0ZXBwaW5nXG4vLyBieSBkaXN0YW5jZSBmcm9tIGEgZ2l2ZW4gc3RhcnQgcG9zaXRpb24uIEkuZS4gZm9yIFswLCA0XSwgd2l0aFxuLy8gc3RhcnQgb2YgMiwgdGhpcyB3aWxsIGl0ZXJhdGUgMiwgMywgMSwgNCwgMC5cbmV4cG9ydCBkZWZhdWx0IGZ1bmN0aW9uKHN0YXJ0LCBtaW5MaW5lLCBtYXhMaW5lKSB7XG4gIGxldCB3YW50Rm9yd2FyZCA9IHRydWUsXG4gICAgICBiYWNrd2FyZEV4aGF1c3RlZCA9IGZhbHNlLFxuICAgICAgZm9yd2FyZEV4aGF1c3RlZCA9IGZhbHNlLFxuICAgICAgbG9jYWxPZmZzZXQgPSAxO1xuXG4gIHJldHVybiBmdW5jdGlvbiBpdGVyYXRvcigpIHtcbiAgICBpZiAod2FudEZvcndhcmQgJiYgIWZvcndhcmRFeGhhdXN0ZWQpIHtcbiAgICAgIGlmIChiYWNrd2FyZEV4aGF1c3RlZCkge1xuICAgICAgICBsb2NhbE9mZnNldCsrO1xuICAgICAgfSBlbHNlIHtcbiAgICAgICAgd2FudEZvcndhcmQgPSBmYWxzZTtcbiAgICAgIH1cblxuICAgICAgLy8gQ2hlY2sgaWYgdHJ5aW5nIHRvIGZpdCBiZXlvbmQgdGV4dCBsZW5ndGgsIGFuZCBpZiBub3QsIGNoZWNrIGl0IGZpdHNcbiAgICAgIC8vIGFmdGVyIG9mZnNldCBsb2NhdGlvbiAob3IgZGVzaXJlZCBsb2NhdGlvbiBvbiBmaXJzdCBpdGVyYXRpb24pXG4gICAgICBpZiAoc3RhcnQgKyBsb2NhbE9mZnNldCA8PSBtYXhMaW5lKSB7XG4gICAgICAgIHJldHVybiBsb2NhbE9mZnNldDtcbiAgICAgIH1cblxuICAgICAgZm9yd2FyZEV4aGF1c3RlZCA9IHRydWU7XG4gICAgfVxuXG4gICAgaWYgKCFiYWNrd2FyZEV4aGF1c3RlZCkge1xuICAgICAgaWYgKCFmb3J3YXJkRXhoYXVzdGVkKSB7XG4gICAgICAgIHdhbnRGb3J3YXJkID0gdHJ1ZTtcbiAgICAgIH1cblxuICAgICAgLy8gQ2hlY2sgaWYgdHJ5aW5nIHRvIGZpdCBiZWZvcmUgdGV4dCBiZWdpbm5pbmcsIGFuZCBpZiBub3QsIGNoZWNrIGl0IGZpdHNcbiAgICAgIC8vIGJlZm9yZSBvZmZzZXQgbG9jYXRpb25cbiAgICAgIGlmIChtaW5MaW5lIDw9IHN0YXJ0IC0gbG9jYWxPZmZzZXQpIHtcbiAgICAgICAgcmV0dXJuIC1sb2NhbE9mZnNldCsrO1xuICAgICAgfVxuXG4gICAgICBiYWNrd2FyZEV4aGF1c3RlZCA9IHRydWU7XG4gICAgICByZXR1cm4gaXRlcmF0b3IoKTtcbiAgICB9XG5cbiAgICAvLyBXZSB0cmllZCB0byBmaXQgaHVuayBiZWZvcmUgdGV4dCBiZWdpbm5pbmcgYW5kIGJleW9uZCB0ZXh0IGxlbmd0aCwgdGhlblxuICAgIC8vIGh1bmsgY2FuJ3QgZml0IG9uIHRoZSB0ZXh0LiBSZXR1cm4gdW5kZWZpbmVkXG4gIH07XG59XG4iXX0=
diff --git a/node_modules/libnpmdiff/node_modules/diff/lib/util/params.js b/node_modules/libnpmdiff/node_modules/diff/lib/util/params.js
new file mode 100644
index 0000000000000..e838eb2f42d15
--- /dev/null
+++ b/node_modules/libnpmdiff/node_modules/diff/lib/util/params.js
@@ -0,0 +1,24 @@
+/*istanbul ignore start*/
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.generateOptions = generateOptions;
+
+/*istanbul ignore end*/
+function generateOptions(options, defaults) {
+  if (typeof options === 'function') {
+    defaults.callback = options;
+  } else if (options) {
+    for (var name in options) {
+      /* istanbul ignore else */
+      if (options.hasOwnProperty(name)) {
+        defaults[name] = options[name];
+      }
+    }
+  }
+
+  return defaults;
+}
+//# sourceMappingURL=data:application/json;charset=utf-8;base64,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
diff --git a/node_modules/libnpmdiff/node_modules/diff/package.json b/node_modules/libnpmdiff/node_modules/diff/package.json
new file mode 100644
index 0000000000000..2b6eea7f1cbff
--- /dev/null
+++ b/node_modules/libnpmdiff/node_modules/diff/package.json
@@ -0,0 +1,87 @@
+{
+  "name": "diff",
+  "version": "5.0.0",
+  "description": "A javascript text diff implementation.",
+  "keywords": [
+    "diff",
+    "jsdiff",
+    "compare",
+    "patch",
+    "text",
+    "json",
+    "css",
+    "javascript"
+  ],
+  "maintainers": [
+    "Kevin Decker  (http://incaseofstairs.com)"
+  ],
+  "bugs": {
+    "email": "kpdecker@gmail.com",
+    "url": "http://github.com/kpdecker/jsdiff/issues"
+  },
+  "license": "BSD-3-Clause",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/kpdecker/jsdiff.git"
+  },
+  "engines": {
+    "node": ">=0.3.1"
+  },
+  "main": "./lib/index.js",
+  "module": "./lib/index.es6.js",
+  "browser": "./dist/diff.js",
+  "unpkg": "./dist/diff.js",
+  "exports": {
+    ".": {
+      "import": "./lib/index.mjs",
+      "require": "./lib/index.js"
+    },
+    "./package.json": "./package.json",
+    "./": "./"
+  },
+  "scripts": {
+    "clean": "rm -rf lib/ dist/",
+    "build:node": "yarn babel --out-dir lib  --source-maps=inline src",
+    "test": "grunt"
+  },
+  "devDependencies": {
+    "@babel/cli": "^7.2.3",
+    "@babel/core": "^7.2.2",
+    "@babel/plugin-transform-modules-commonjs": "^7.2.0",
+    "@babel/preset-env": "^7.2.3",
+    "@babel/register": "^7.0.0",
+    "babel-eslint": "^10.0.1",
+    "babel-loader": "^8.0.5",
+    "chai": "^4.2.0",
+    "colors": "^1.3.3",
+    "eslint": "^5.12.0",
+    "grunt": "^1.0.3",
+    "grunt-babel": "^8.0.0",
+    "grunt-cli": "^1.3.2",
+    "grunt-contrib-clean": "^2.0.0",
+    "grunt-contrib-copy": "^1.0.0",
+    "grunt-contrib-uglify": "^5.0.0",
+    "grunt-contrib-watch": "^1.1.0",
+    "grunt-eslint": "^23.0.0",
+    "grunt-exec": "^3.0.0",
+    "grunt-karma": "^4.0.0",
+    "grunt-mocha-istanbul": "^5.0.2",
+    "grunt-mocha-test": "^0.13.3",
+    "grunt-webpack": "^3.1.3",
+    "istanbul": "github:kpdecker/istanbul",
+    "karma": "^5.1.1",
+    "karma-chrome-launcher": "^3.1.0",
+    "karma-mocha": "^2.0.1",
+    "karma-mocha-reporter": "^2.0.0",
+    "karma-sauce-launcher": "^4.1.5",
+    "karma-sourcemap-loader": "^0.3.6",
+    "karma-webpack": "^4.0.2",
+    "mocha": "^6.0.0",
+    "rollup": "^1.0.2",
+    "rollup-plugin-babel": "^4.2.0",
+    "semver": "^7.3.2",
+    "webpack": "^4.28.3",
+    "webpack-dev-server": "^3.1.14"
+  },
+  "optionalDependencies": {}
+}
diff --git a/node_modules/libnpmdiff/node_modules/diff/release-notes.md b/node_modules/libnpmdiff/node_modules/diff/release-notes.md
new file mode 100644
index 0000000000000..acc75aa83d88e
--- /dev/null
+++ b/node_modules/libnpmdiff/node_modules/diff/release-notes.md
@@ -0,0 +1,303 @@
+# Release Notes
+
+## Development
+
+[Commits](https://github.com/kpdecker/jsdiff/compare/v5.0.0...master)
+
+## v5.0.0
+
+- Breaking: UMD export renamed from `JsDiff` to `Diff`.
+- Breaking: Newlines separated into separate tokens for word diff.
+- Breaking: Unified diffs now match ["quirks"](https://www.artima.com/weblogs/viewpost.jsp?thread=164293)
+
+[Commits](https://github.com/kpdecker/jsdiff/compare/v4.0.1...v5.0.0)
+
+## v4.0.1 - January 6th, 2019
+
+- Fix main reference path - b826104
+
+[Commits](https://github.com/kpdecker/jsdiff/compare/v4.0.0...v4.0.1)
+
+## v4.0.0 - January 5th, 2019
+
+- [#94](https://github.com/kpdecker/jsdiff/issues/94) - Missing "No newline at end of file" when comparing two texts that do not end in newlines ([@federicotdn](https://api.github.com/users/federicotdn))
+- [#227](https://github.com/kpdecker/jsdiff/issues/227) - Licence
+- [#199](https://github.com/kpdecker/jsdiff/issues/199) - Import statement for jsdiff
+- [#159](https://github.com/kpdecker/jsdiff/issues/159) - applyPatch affecting wrong line number with with new lines
+- [#8](https://github.com/kpdecker/jsdiff/issues/8) - A new state "replace"
+- Drop ie9 from karma targets - 79c31bd
+- Upgrade deps. Convert from webpack to rollup - 2c1a29c
+- Make ()[]"' as word boundaries between each other - f27b899
+- jsdiff: Replaced phantomJS by chrome - ec3114e
+- Add yarn.lock to .npmignore - 29466d8
+
+Compatibility notes:
+
+- Bower and Component packages no longer supported
+
+[Commits](https://github.com/kpdecker/jsdiff/compare/v3.5.0...v4.0.0)
+
+## v3.5.0 - March 4th, 2018
+
+- Omit redundant slice in join method of diffArrays - 1023590
+- Support patches with empty lines - fb0f208
+- Accept a custom JSON replacer function for JSON diffing - 69c7f0a
+- Optimize parch header parser - 2aec429
+- Fix typos - e89c832
+
+[Commits](https://github.com/kpdecker/jsdiff/compare/v3.4.0...v3.5.0)
+
+## v3.4.0 - October 7th, 2017
+
+- [#183](https://github.com/kpdecker/jsdiff/issues/183) - Feature request: ability to specify a custom equality checker for `diffArrays`
+- [#173](https://github.com/kpdecker/jsdiff/issues/173) - Bug: diffArrays gives wrong result on array of booleans
+- [#158](https://github.com/kpdecker/jsdiff/issues/158) - diffArrays will not compare the empty string in array?
+- comparator for custom equality checks - 30e141e
+- count oldLines and newLines when there are conflicts - 53bf384
+- Fix: diffArrays can compare falsey items - 9e24284
+- Docs: Replace grunt with npm test - 00e2f94
+
+[Commits](https://github.com/kpdecker/jsdiff/compare/v3.3.1...v3.4.0)
+
+## v3.3.1 - September 3rd, 2017
+
+- [#141](https://github.com/kpdecker/jsdiff/issues/141) - Cannot apply patch because my file delimiter is "/r/n" instead of "/n"
+- [#192](https://github.com/kpdecker/jsdiff/pull/192) - Fix: Bad merge when adding new files (#189)
+- correct spelling mistake - 21fa478
+
+[Commits](https://github.com/kpdecker/jsdiff/compare/v3.3.0...v3.3.1)
+
+## v3.3.0 - July 5th, 2017
+
+- [#114](https://github.com/kpdecker/jsdiff/issues/114) - /patch/merge not exported
+- Gracefully accept invalid newStart in hunks, same as patch(1) does. - d8a3635
+- Use regex rather than starts/ends with for parsePatch - 6cab62c
+- Add browser flag - e64f674
+- refactor: simplified code a bit more - 8f8e0f2
+- refactor: simplified code a bit - b094a6f
+- fix: some corrections re ignoreCase option - 3c78fd0
+- ignoreCase option - 3cbfbb5
+- Sanitize filename while parsing patches - 2fe8129
+- Added better installation methods - aced50b
+- Simple export of functionality - 8690f31
+
+[Commits](https://github.com/kpdecker/jsdiff/compare/v3.2.0...v3.3.0)
+
+## v3.2.0 - December 26th, 2016
+
+- [#156](https://github.com/kpdecker/jsdiff/pull/156) - Add `undefinedReplacement` option to `diffJson` ([@ewnd9](https://api.github.com/users/ewnd9))
+- [#154](https://github.com/kpdecker/jsdiff/pull/154) - Add `examples` and `images` to `.npmignore`. ([@wtgtybhertgeghgtwtg](https://api.github.com/users/wtgtybhertgeghgtwtg))
+- [#153](https://github.com/kpdecker/jsdiff/pull/153) - feat(structuredPatch): Pass options to diffLines ([@Kiougar](https://api.github.com/users/Kiougar))
+
+[Commits](https://github.com/kpdecker/jsdiff/compare/v3.1.0...v3.2.0)
+
+## v3.1.0 - November 27th, 2016
+
+- [#146](https://github.com/kpdecker/jsdiff/pull/146) - JsDiff.diffArrays to compare arrays ([@wvanderdeijl](https://api.github.com/users/wvanderdeijl))
+- [#144](https://github.com/kpdecker/jsdiff/pull/144) - Split file using all possible line delimiter instead of hard-coded "/n" and join lines back using the original delimiters ([@soulbeing](https://api.github.com/users/soulbeing))
+
+[Commits](https://github.com/kpdecker/jsdiff/compare/v3.0.1...v3.1.0)
+
+## v3.0.1 - October 9th, 2016
+
+- [#139](https://github.com/kpdecker/jsdiff/pull/139) - Make README.md look nicer in npmjs.com ([@takenspc](https://api.github.com/users/takenspc))
+- [#135](https://github.com/kpdecker/jsdiff/issues/135) - parsePatch combines patches from multiple files into a single IUniDiff when there is no "Index" line ([@ramya-rao-a](https://api.github.com/users/ramya-rao-a))
+- [#124](https://github.com/kpdecker/jsdiff/issues/124) - IE7/IE8 failure since 2.0.0 ([@boneskull](https://api.github.com/users/boneskull))
+
+[Commits](https://github.com/kpdecker/jsdiff/compare/v3.0.0...v3.0.1)
+
+## v3.0.0 - August 23rd, 2016
+
+- [#130](https://github.com/kpdecker/jsdiff/pull/130) - Add callback argument to applyPatches `patched` option ([@piranna](https://api.github.com/users/piranna))
+- [#120](https://github.com/kpdecker/jsdiff/pull/120) - Correctly handle file names containing spaces ([@adius](https://api.github.com/users/adius))
+- [#119](https://github.com/kpdecker/jsdiff/pull/119) - Do single reflow ([@wifiextender](https://api.github.com/users/wifiextender))
+- [#117](https://github.com/kpdecker/jsdiff/pull/117) - Make more usable with long strings. ([@abnbgist](https://api.github.com/users/abnbgist))
+
+Compatibility notes:
+
+- applyPatches patch callback now is async and requires the callback be called to continue operation
+
+[Commits](https://github.com/kpdecker/jsdiff/compare/v2.2.3...v3.0.0)
+
+## v2.2.3 - May 31st, 2016
+
+- [#118](https://github.com/kpdecker/jsdiff/pull/118) - Add a fix for applying 0-length destination patches ([@chaaz](https://api.github.com/users/chaaz))
+- [#115](https://github.com/kpdecker/jsdiff/pull/115) - Fixed grammar in README ([@krizalys](https://api.github.com/users/krizalys))
+- [#113](https://github.com/kpdecker/jsdiff/pull/113) - fix typo ([@vmazare](https://api.github.com/users/vmazare))
+
+[Commits](https://github.com/kpdecker/jsdiff/compare/v2.2.2...v2.2.3)
+
+## v2.2.2 - March 13th, 2016
+
+- [#102](https://github.com/kpdecker/jsdiff/issues/102) - diffJson with dates, returns empty curly braces ([@dr-dimitru](https://api.github.com/users/dr-dimitru))
+- [#97](https://github.com/kpdecker/jsdiff/issues/97) - Whitespaces & diffWords ([@faiwer](https://api.github.com/users/faiwer))
+- [#92](https://github.com/kpdecker/jsdiff/pull/92) - Fixes typo in the readme ([@bg451](https://api.github.com/users/bg451))
+
+[Commits](https://github.com/kpdecker/jsdiff/compare/v2.2.1...v2.2.2)
+
+## v2.2.1 - November 12th, 2015
+
+- [#89](https://github.com/kpdecker/jsdiff/pull/89) - add in display selector to readme ([@FranDias](https://api.github.com/users/FranDias))
+- [#88](https://github.com/kpdecker/jsdiff/pull/88) - Split diffs based on file headers instead of 'Index:' metadata ([@piranna](https://api.github.com/users/piranna))
+
+[Commits](https://github.com/kpdecker/jsdiff/compare/v2.2.0...v2.2.1)
+
+## v2.2.0 - October 29th, 2015
+
+- [#80](https://github.com/kpdecker/jsdiff/pull/80) - Fix a typo: applyPath -> applyPatch ([@fluxxu](https://api.github.com/users/fluxxu))
+- [#83](https://github.com/kpdecker/jsdiff/pull/83) - Add basic fuzzy matching to applyPatch ([@piranna](https://github.com/piranna))
+  [Commits](https://github.com/kpdecker/jsdiff/compare/v2.2.0...v2.2.0)
+
+## v2.2.0 - October 29th, 2015
+
+- [#80](https://github.com/kpdecker/jsdiff/pull/80) - Fix a typo: applyPath -> applyPatch ([@fluxxu](https://api.github.com/users/fluxxu))
+- [#83](https://github.com/kpdecker/jsdiff/pull/83) - Add basic fuzzy matching to applyPatch ([@piranna](https://github.com/piranna))
+  [Commits](https://github.com/kpdecker/jsdiff/compare/v2.1.3...v2.2.0)
+
+## v2.1.3 - September 30th, 2015
+
+- [#78](https://github.com/kpdecker/jsdiff/pull/78) - fix: error throwing when apply patch to empty string ([@21paradox](https://api.github.com/users/21paradox))
+
+[Commits](https://github.com/kpdecker/jsdiff/compare/v2.1.2...v2.1.3)
+
+## v2.1.2 - September 23rd, 2015
+
+- [#76](https://github.com/kpdecker/jsdiff/issues/76) - diff headers give error ([@piranna](https://api.github.com/users/piranna))
+
+[Commits](https://github.com/kpdecker/jsdiff/compare/v2.1.1...v2.1.2)
+
+## v2.1.1 - September 9th, 2015
+
+- [#73](https://github.com/kpdecker/jsdiff/issues/73) - Is applyPatches() exposed in the API? ([@davidparsson](https://api.github.com/users/davidparsson))
+
+[Commits](https://github.com/kpdecker/jsdiff/compare/v2.1.0...v2.1.1)
+
+## v2.1.0 - August 27th, 2015
+
+- [#72](https://github.com/kpdecker/jsdiff/issues/72) - Consider using options object API for flag permutations ([@kpdecker](https://api.github.com/users/kpdecker))
+- [#70](https://github.com/kpdecker/jsdiff/issues/70) - diffWords treats \n at the end as significant whitespace ([@nesQuick](https://api.github.com/users/nesQuick))
+- [#69](https://github.com/kpdecker/jsdiff/issues/69) - Missing count ([@wfalkwallace](https://api.github.com/users/wfalkwallace))
+- [#68](https://github.com/kpdecker/jsdiff/issues/68) - diffLines seems broken ([@wfalkwallace](https://api.github.com/users/wfalkwallace))
+- [#60](https://github.com/kpdecker/jsdiff/issues/60) - Support multiple diff hunks ([@piranna](https://api.github.com/users/piranna))
+- [#54](https://github.com/kpdecker/jsdiff/issues/54) - Feature Request: 3-way merge ([@mog422](https://api.github.com/users/mog422))
+- [#42](https://github.com/kpdecker/jsdiff/issues/42) - Fuzz factor for applyPatch ([@stuartpb](https://api.github.com/users/stuartpb))
+- Move whitespace ignore out of equals method - 542063c
+- Include source maps in babel output - 7f7ab21
+- Merge diff/line and diff/patch implementations - 1597705
+- Drop map utility method - 1ddc939
+- Documentation for parsePatch and applyPatches - 27c4b77
+
+Compatibility notes:
+
+- The undocumented ignoreWhitespace flag has been removed from the Diff equality check directly. This implementation may be copied to diff utilities if dependencies existed on this functionality.
+
+[Commits](https://github.com/kpdecker/jsdiff/compare/v2.0.2...v2.1.0)
+
+## v2.0.2 - August 8th, 2015
+
+- [#67](https://github.com/kpdecker/jsdiff/issues/67) - cannot require from npm module in node ([@commenthol](https://api.github.com/users/commenthol))
+- Convert to chai since we don’t support IE8 - a96bbad
+
+[Commits](https://github.com/kpdecker/jsdiff/compare/v2.0.1...v2.0.2)
+
+## v2.0.1 - August 7th, 2015
+
+- Add release build at proper step - 57542fd
+
+[Commits](https://github.com/kpdecker/jsdiff/compare/v2.0.0...v2.0.1)
+
+## v2.0.0 - August 7th, 2015
+
+- [#66](https://github.com/kpdecker/jsdiff/issues/66) - Add karma and sauce tests ([@kpdecker](https://api.github.com/users/kpdecker))
+- [#65](https://github.com/kpdecker/jsdiff/issues/65) - Create component repository for bower ([@kpdecker](https://api.github.com/users/kpdecker))
+- [#64](https://github.com/kpdecker/jsdiff/issues/64) - Automatically call removeEmpty for all tokenizer calls ([@kpdecker](https://api.github.com/users/kpdecker))
+- [#62](https://github.com/kpdecker/jsdiff/pull/62) - Allow access to structured object representation of patch data ([@bittrance](https://api.github.com/users/bittrance))
+- [#61](https://github.com/kpdecker/jsdiff/pull/61) - Use svg instead of png to get better image quality ([@PeterDaveHello](https://api.github.com/users/PeterDaveHello))
+- [#29](https://github.com/kpdecker/jsdiff/issues/29) - word tokenizer works only for 7 bit ascii ([@plasmagunman](https://api.github.com/users/plasmagunman))
+
+Compatibility notes:
+
+- `this.removeEmpty` is now called automatically for all instances. If this is not desired, this may be overridden on a per instance basis.
+- The library has been refactored to use some ES6 features. The external APIs should remain the same, but bower projects that directly referenced the repository will now have to point to the [components/jsdiff](https://github.com/components/jsdiff) repository.
+
+[Commits](https://github.com/kpdecker/jsdiff/compare/v1.4.0...v2.0.0)
+
+## v1.4.0 - May 6th, 2015
+
+- [#57](https://github.com/kpdecker/jsdiff/issues/57) - createPatch -> applyPatch failed. ([@mog422](https://api.github.com/users/mog422))
+- [#56](https://github.com/kpdecker/jsdiff/pull/56) - Two files patch ([@rgeissert](https://api.github.com/users/rgeissert))
+- [#14](https://github.com/kpdecker/jsdiff/issues/14) - Flip added and removed order? ([@jakesandlund](https://api.github.com/users/jakesandlund))
+
+[Commits](https://github.com/kpdecker/jsdiff/compare/v1.3.2...v1.4.0)
+
+## v1.3.2 - March 30th, 2015
+
+- [#53](https://github.com/kpdecker/jsdiff/pull/53) - Updated README.MD with Bower installation instructions ([@ofbriggs](https://api.github.com/users/ofbriggs))
+- [#49](https://github.com/kpdecker/jsdiff/issues/49) - Cannot read property 'oldlines' of undefined ([@nwtn](https://api.github.com/users/nwtn))
+- [#44](https://github.com/kpdecker/jsdiff/issues/44) - invalid-meta jsdiff is missing "main" entry in bower.json
+
+[Commits](https://github.com/kpdecker/jsdiff/compare/v1.3.1...v1.3.2)
+
+## v1.3.1 - March 13th, 2015
+
+- [#52](https://github.com/kpdecker/jsdiff/pull/52) - Fix for #51 Wrong result of JsDiff.diffLines ([@felicienfrancois](https://api.github.com/users/felicienfrancois))
+
+[Commits](https://github.com/kpdecker/jsdiff/compare/v1.3.0...v1.3.1)
+
+## v1.3.0 - March 2nd, 2015
+
+- [#47](https://github.com/kpdecker/jsdiff/pull/47) - Adding Diff Trimmed Lines ([@JamesGould123](https://api.github.com/users/JamesGould123))
+
+[Commits](https://github.com/kpdecker/jsdiff/compare/v1.2.2...v1.3.0)
+
+## v1.2.2 - January 26th, 2015
+
+- [#45](https://github.com/kpdecker/jsdiff/pull/45) - Fix AMD module loading ([@pedrocarrico](https://api.github.com/users/pedrocarrico))
+- [#43](https://github.com/kpdecker/jsdiff/pull/43) - added a bower file ([@nbrustein](https://api.github.com/users/nbrustein))
+
+[Commits](https://github.com/kpdecker/jsdiff/compare/v1.2.1...v1.2.2)
+
+## v1.2.1 - December 26th, 2014
+
+- [#41](https://github.com/kpdecker/jsdiff/pull/41) - change condition of using node export system. ([@ironhee](https://api.github.com/users/ironhee))
+
+[Commits](https://github.com/kpdecker/jsdiff/compare/v1.2.0...v1.2.1)
+
+## v1.2.0 - November 29th, 2014
+
+- [#37](https://github.com/kpdecker/jsdiff/pull/37) - Add support for sentences. ([@vmariano](https://api.github.com/users/vmariano))
+- [#28](https://github.com/kpdecker/jsdiff/pull/28) - Implemented diffJson ([@papandreou](https://api.github.com/users/papandreou))
+- [#27](https://github.com/kpdecker/jsdiff/issues/27) - Slow to execute over diffs with a large number of changes ([@termi](https://api.github.com/users/termi))
+- Allow for optional async diffing - 19385b9
+- Fix diffChars implementation - eaa44ed
+
+[Commits](https://github.com/kpdecker/jsdiff/compare/v1.1.0...v1.2.0)
+
+## v1.1.0 - November 25th, 2014
+
+- [#33](https://github.com/kpdecker/jsdiff/pull/33) - AMD and global exports ([@ovcharik](https://api.github.com/users/ovcharik))
+- [#32](https://github.com/kpdecker/jsdiff/pull/32) - Add support for component ([@vmariano](https://api.github.com/users/vmariano))
+- [#31](https://github.com/kpdecker/jsdiff/pull/31) - Don't rely on Array.prototype.map ([@papandreou](https://api.github.com/users/papandreou))
+
+[Commits](https://github.com/kpdecker/jsdiff/compare/v1.0.8...v1.1.0)
+
+## v1.0.8 - December 22nd, 2013
+
+- [#24](https://github.com/kpdecker/jsdiff/pull/24) - Handle windows newlines on non windows machines. ([@benogle](https://api.github.com/users/benogle))
+- [#23](https://github.com/kpdecker/jsdiff/pull/23) - Prettied up the API formatting a little, and added basic node and web examples ([@airportyh](https://api.github.com/users/airportyh))
+
+[Commits](https://github.com/kpdecker/jsdiff/compare/v1.0.7...v1.0.8)
+
+## v1.0.7 - September 11th, 2013
+
+- [#22](https://github.com/kpdecker/jsdiff/pull/22) - Added variant of WordDiff that doesn't ignore whitespace differences ([@papandreou](https://api.github.com/users/papandreou)
+
+- Add 0.10 to travis tests - 243a526
+
+[Commits](https://github.com/kpdecker/jsdiff/compare/v1.0.6...v1.0.7)
+
+## v1.0.6 - August 30th, 2013
+
+- [#19](https://github.com/kpdecker/jsdiff/pull/19) - Explicitly define contents of npm package ([@sindresorhus](https://api.github.com/users/sindresorhus)
+
+[Commits](https://github.com/kpdecker/jsdiff/compare/v1.0.5...v1.0.6)
diff --git a/node_modules/libnpmdiff/node_modules/diff/runtime.js b/node_modules/libnpmdiff/node_modules/diff/runtime.js
new file mode 100644
index 0000000000000..82ea7e696aa01
--- /dev/null
+++ b/node_modules/libnpmdiff/node_modules/diff/runtime.js
@@ -0,0 +1,3 @@
+require('@babel/register')({
+  ignore: ['lib', 'node_modules']
+});
diff --git a/node_modules/libnpmdiff/package.json b/node_modules/libnpmdiff/package.json
new file mode 100644
index 0000000000000..5924605a913d4
--- /dev/null
+++ b/node_modules/libnpmdiff/package.json
@@ -0,0 +1,64 @@
+{
+  "name": "libnpmdiff",
+  "version": "1.0.1",
+  "description": "The registry diff",
+  "repository": "https://github.com/npm/libnpmdiff",
+  "files": [
+    "index.js",
+    "lib"
+  ],
+  "engines": {
+    "node": ">=10"
+  },
+  "keywords": [
+    "npm",
+    "npmcli",
+    "libnpm",
+    "cli",
+    "diff"
+  ],
+  "author": "GitHub Inc.",
+  "contributors": [
+    {
+      "name": "Ruy Adorno",
+      "url": "https://ruyadorno.com",
+      "twitter": "ruyadorno"
+    }
+  ],
+  "license": "ISC",
+  "scripts": {
+    "eslint": "eslint",
+    "lint": "npm run eslint -- index.js \"lib/**/*.js\" \"test/*.js\"",
+    "lintfix": "npm run lint -- --fix",
+    "test": "tap test/*.js",
+    "posttest": "npm run lint",
+    "snap": "tap test/*.js",
+    "preversion": "npm test",
+    "postversion": "npm publish",
+    "prepublishOnly": "git push origin --follow-tags"
+  },
+  "tap": {
+    "check-coverage": true
+  },
+  "standard": {
+    "ignore": [
+      "/tap-snapshots/"
+    ]
+  },
+  "devDependencies": {
+    "eslint": "^7.18.0",
+    "eslint-plugin-import": "^2.22.1",
+    "eslint-plugin-node": "^11.1.0",
+    "eslint-plugin-promise": "^4.2.1",
+    "eslint-plugin-standard": "^5.0.0",
+    "tap": "^14.11.0"
+  },
+  "dependencies": {
+    "@npmcli/disparity-colors": "^1.0.1",
+    "binary-extensions": "^2.2.0",
+    "diff": "^5.0.0",
+    "minimatch": "^3.0.4",
+    "pacote": "^11.1.14",
+    "tar": "^6.1.0"
+  }
+}
diff --git a/package-lock.json b/package-lock.json
index dec2683b34664..a1437ab8da82f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -33,6 +33,7 @@
         "json-parse-even-better-errors",
         "leven",
         "libnpmaccess",
+        "libnpmdiff",
         "libnpmfund",
         "libnpmhook",
         "libnpmorg",
@@ -378,6 +379,7 @@
         "is-cidr": "^4.0.2",
         "leven": "^3.1.0",
         "libnpmaccess": "^4.0.1",
+        "libnpmdiff": "^1.0.1",
         "libnpmfund": "^1.0.2",
         "libnpmhook": "^6.0.1",
         "libnpmorg": "^2.0.1",
@@ -738,6 +740,18 @@
         "node": ">=10"
       }
     },
+    "node_modules/@npmcli/disparity-colors": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/@npmcli/disparity-colors/-/disparity-colors-1.0.1.tgz",
+      "integrity": "sha512-kQ1aCTTU45mPXN+pdAaRxlxr3OunkyztjbbxDY/aIcPS5CnCUrx+1+NvA6pTcYR7wmLZe37+Mi5v3nfbwPxq3A==",
+      "inBundle": true,
+      "dependencies": {
+        "ansi-styles": "^4.3.0"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
     "node_modules/@npmcli/git": {
       "version": "2.0.4",
       "resolved": "https://registry.npmjs.org/@npmcli/git/-/git-2.0.4.tgz",
@@ -1248,10 +1262,10 @@
       }
     },
     "node_modules/binary-extensions": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-2.1.0.tgz",
-      "integrity": "sha512-1Yj8h9Q+QDF5FzhMs/c9+6UntbD5MkRfRwac8DoEm9ZfUBZ7tZ55YcGVAzEe4bXsdQHEk+s9S5wsOKVdZrw0tQ==",
-      "dev": true,
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-2.2.0.tgz",
+      "integrity": "sha512-jDctJ/IVQbZoJykoeHbhXpOlNBqGNcwXJKJog42E5HDPUwQTSdjCHdihjj0DlnheQ7blbT6dHOafNAiS8ooQKA==",
+      "inBundle": true,
       "engines": {
         "node": ">=8"
       }
@@ -4271,6 +4285,32 @@
         "node": ">=10"
       }
     },
+    "node_modules/libnpmdiff": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/libnpmdiff/-/libnpmdiff-1.0.1.tgz",
+      "integrity": "sha512-+4YORSANf7hyPviOnKV4C6+do3DNw1rmnWa2cUSIh/JR3KKxTrMnM1Ck4lApohuBQ7cQs2mXK22034npQp52tA==",
+      "inBundle": true,
+      "dependencies": {
+        "@npmcli/disparity-colors": "^1.0.1",
+        "binary-extensions": "^2.2.0",
+        "diff": "^5.0.0",
+        "minimatch": "^3.0.4",
+        "pacote": "^11.1.14",
+        "tar": "^6.1.0"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
+    "node_modules/libnpmdiff/node_modules/diff": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/diff/-/diff-5.0.0.tgz",
+      "integrity": "sha512-/VTCrvm5Z0JGty/BWHljh+BAiw3IK+2j87NGMu8Nwc/f48WoDAC395uomO9ZD117ZOBaHmkX1oyLvkVM/aIT3w==",
+      "inBundle": true,
+      "engines": {
+        "node": ">=0.3.1"
+      }
+    },
     "node_modules/libnpmfund": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/libnpmfund/-/libnpmfund-1.0.2.tgz",
@@ -9920,6 +9960,14 @@
         "walk-up-path": "^1.0.0"
       }
     },
+    "@npmcli/disparity-colors": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/@npmcli/disparity-colors/-/disparity-colors-1.0.1.tgz",
+      "integrity": "sha512-kQ1aCTTU45mPXN+pdAaRxlxr3OunkyztjbbxDY/aIcPS5CnCUrx+1+NvA6pTcYR7wmLZe37+Mi5v3nfbwPxq3A==",
+      "requires": {
+        "ansi-styles": "^4.3.0"
+      }
+    },
     "@npmcli/git": {
       "version": "2.0.4",
       "resolved": "https://registry.npmjs.org/@npmcli/git/-/git-2.0.4.tgz",
@@ -10294,10 +10342,9 @@
       }
     },
     "binary-extensions": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-2.1.0.tgz",
-      "integrity": "sha512-1Yj8h9Q+QDF5FzhMs/c9+6UntbD5MkRfRwac8DoEm9ZfUBZ7tZ55YcGVAzEe4bXsdQHEk+s9S5wsOKVdZrw0tQ==",
-      "dev": true
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-2.2.0.tgz",
+      "integrity": "sha512-jDctJ/IVQbZoJykoeHbhXpOlNBqGNcwXJKJog42E5HDPUwQTSdjCHdihjj0DlnheQ7blbT6dHOafNAiS8ooQKA=="
     },
     "bind-obj-methods": {
       "version": "2.0.0",
@@ -12510,6 +12557,26 @@
         "npm-registry-fetch": "^9.0.0"
       }
     },
+    "libnpmdiff": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/libnpmdiff/-/libnpmdiff-1.0.1.tgz",
+      "integrity": "sha512-+4YORSANf7hyPviOnKV4C6+do3DNw1rmnWa2cUSIh/JR3KKxTrMnM1Ck4lApohuBQ7cQs2mXK22034npQp52tA==",
+      "requires": {
+        "@npmcli/disparity-colors": "^1.0.1",
+        "binary-extensions": "^2.2.0",
+        "diff": "^5.0.0",
+        "minimatch": "^3.0.4",
+        "pacote": "^11.1.14",
+        "tar": "^6.1.0"
+      },
+      "dependencies": {
+        "diff": {
+          "version": "5.0.0",
+          "resolved": "https://registry.npmjs.org/diff/-/diff-5.0.0.tgz",
+          "integrity": "sha512-/VTCrvm5Z0JGty/BWHljh+BAiw3IK+2j87NGMu8Nwc/f48WoDAC395uomO9ZD117ZOBaHmkX1oyLvkVM/aIT3w=="
+        }
+      }
+    },
     "libnpmfund": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/libnpmfund/-/libnpmfund-1.0.2.tgz",
diff --git a/package.json b/package.json
index d2bbe02cae695..202bc5337135b 100644
--- a/package.json
+++ b/package.json
@@ -66,6 +66,7 @@
     "is-cidr": "^4.0.2",
     "leven": "^3.1.0",
     "libnpmaccess": "^4.0.1",
+    "libnpmdiff": "^1.0.1",
     "libnpmfund": "^1.0.2",
     "libnpmhook": "^6.0.1",
     "libnpmorg": "^2.0.1",
@@ -135,6 +136,7 @@
     "json-parse-even-better-errors",
     "leven",
     "libnpmaccess",
+    "libnpmdiff",
     "libnpmfund",
     "libnpmhook",
     "libnpmorg",
diff --git a/test/lib/diff.js b/test/lib/diff.js
new file mode 100644
index 0000000000000..d0f02f158d44b
--- /dev/null
+++ b/test/lib/diff.js
@@ -0,0 +1,562 @@
+const t = require('tap')
+const requireInject = require('require-inject')
+
+const noop = () => null
+const defaultConfigs = () => {
+  const conf = new Map([
+    ['name-only', false],
+  ])
+  conf.parsedArgv = { cooked: [] }
+  return conf
+}
+const npm = {
+  config: defaultConfigs(),
+  flatOptions: {
+    defaultTag: 'latest',
+    prefix: '',
+    savePrefix: '^',
+  },
+}
+const mocks = {
+  npmlog: { info: noop },
+  libnpmdiff: noop,
+  '../../lib/npm.js': npm,
+  '../../lib/utils/output.js': noop,
+  '../../lib/utils/read-local-package.js': async () => 'foo',
+  '../../lib/utils/usage.js': () => 'usage instructions',
+}
+
+const defaultOpts = {
+  diffOpts: {
+    files: [],
+    nameOnly: false,
+  },
+}
+
+t.afterEach(cb => {
+  npm.config = defaultConfigs()
+  npm.flatOptions.prefix = ''
+  cb()
+})
+
+t.test('no args', t => {
+  t.plan(4)
+
+  const diff = requireInject('../../lib/diff.js', {
+    ...mocks,
+    libnpmdiff: async ({ a, b }, opts) => {
+      t.equal(a, 'foo@latest', 'should have default spec comparison')
+      t.equal(b, undefined, 'should have no b comparison arg')
+      t.match(opts, npm.flatOptions, 'should forward flat options')
+      t.match(opts, defaultOpts, 'should forward default options')
+    },
+  })
+
+  diff([], err => {
+    if (err)
+      throw err
+  })
+})
+
+t.test('no args, missing package.json in cwd', t => {
+  const diff = requireInject('../../lib/diff.js', {
+    ...mocks,
+    '../../lib/utils/read-local-package.js': async () => undefined,
+  })
+
+  diff([], err => {
+    t.match(
+      err,
+      /Needs multiple arguments to compare or run from a project dir./,
+      'should throw EDIFF error msg'
+    )
+    t.end()
+  })
+})
+
+t.test('single spec', t => {
+  t.plan(4)
+
+  const args = ['foo@1.0.0']
+  npm.config.parsedArgv.cooked = args
+
+  const diff = requireInject('../../lib/diff.js', {
+    ...mocks,
+    libnpmdiff: async ({ a, b }, opts) => {
+      t.equal(a, 'foo@1.0.0', 'should forward single spec')
+      t.equal(b, undefined, 'should have no b comparison arg')
+      t.match(opts, npm.flatOptions, 'should forward flat options')
+      t.match(opts, defaultOpts, 'should forward default options')
+    },
+  })
+
+  diff(args, err => {
+    if (err)
+      throw err
+  })
+})
+
+t.test('both specs', t => {
+  t.plan(4)
+
+  const args = ['file:/home/dev/project', 'foo@2.0.0']
+  npm.config.parsedArgv.cooked = args
+
+  const diff = requireInject('../../lib/diff.js', {
+    ...mocks,
+    libnpmdiff: async ({ a, b }, opts) => {
+      t.equal(a, 'file:/home/dev/project', 'should set expected first spec')
+      t.equal(b, 'foo@2.0.0', 'should set expected second spec')
+      t.match(opts, npm.flatOptions, 'should forward flat options')
+      t.match(opts, defaultOpts, 'should forward default options')
+    },
+  })
+
+  diff(args, err => {
+    if (err)
+      throw err
+  })
+})
+
+t.test('single version', t => {
+  t.plan(4)
+
+  const args = ['2.1.4']
+  npm.config.parsedArgv.cooked = args
+
+  const diff = requireInject('../../lib/diff.js', {
+    ...mocks,
+    libnpmdiff: async ({ a, b }, opts) => {
+      t.equal(a, 'foo@2.1.4', 'should convert to expected first spec')
+      t.equal(b, undefined, 'should have no b comparison arg')
+      t.match(opts, npm.flatOptions, 'should forward flat options')
+      t.match(opts, defaultOpts, 'should forward default options')
+    },
+  })
+
+  diff(args, err => {
+    if (err)
+      throw err
+  })
+})
+
+t.test('single version, no package.json', t => {
+  const args = ['2.1.4']
+  npm.config.parsedArgv.cooked = args
+
+  const diff = requireInject('../../lib/diff.js', {
+    ...mocks,
+    '../../lib/utils/read-local-package.js': () => {
+      throw new Error('ERR')
+    },
+  })
+
+  diff(args, err => {
+    t.match(
+      err,
+      /Needs to be run from a project dir in order to use versions./,
+      'should throw an error message explaining usage'
+    )
+    t.end()
+  })
+})
+
+t.test('multiple versions', t => {
+  t.plan(4)
+
+  const args = ['2.1.4', '3.0.0']
+  npm.config.parsedArgv.cooked = args
+
+  const diff = requireInject('../../lib/diff.js', {
+    ...mocks,
+    libnpmdiff: async ({ a, b }, opts) => {
+      t.equal(a, 'foo@2.1.4', 'should convert to expected first spec')
+      t.equal(b, 'foo@3.0.0', 'should convert to expected second spec')
+      t.match(opts, npm.flatOptions, 'should forward flat options')
+      t.match(opts, defaultOpts, 'should forward default options')
+    },
+  })
+
+  diff(args, err => {
+    if (err)
+      throw err
+  })
+})
+
+t.test('using --name-only option', t => {
+  t.plan(2)
+
+  npm.config.set('name-only', true)
+
+  const diff = requireInject('../../lib/diff.js', {
+    ...mocks,
+    libnpmdiff: async ({ a, b }, opts) => {
+      t.match(opts, npm.flatOptions, 'should forward flat options')
+      t.match(opts, {
+        diffOpts: {
+          ...defaultOpts.diffOpts,
+          nameOnly: true,
+        },
+      }, 'should forward nameOnly=true option')
+    },
+  })
+
+  diff([], err => {
+    if (err)
+      throw err
+  })
+})
+
+t.test('set files after both versions', t => {
+  t.plan(4)
+
+  const args = ['2.1.4', '3.0.0', './foo.js', './bar.js']
+  npm.config.parsedArgv.cooked = args
+
+  const diff = requireInject('../../lib/diff.js', {
+    ...mocks,
+    libnpmdiff: async ({ a, b }, opts) => {
+      t.equal(a, 'foo@2.1.4', 'should use expected spec')
+      t.equal(b, 'foo@3.0.0', 'should use expected spec')
+      t.match(opts, npm.flatOptions, 'should forward flat options')
+      t.match(opts, {
+        diffOpts: {
+          ...defaultOpts.diffOpts,
+          files: [
+            './foo.js',
+            './bar.js',
+          ],
+        },
+      }, 'should forward all remaining items as filenames')
+    },
+  })
+
+  diff(args, err => {
+    if (err)
+      throw err
+  })
+})
+
+t.test('set files after single version', t => {
+  t.plan(4)
+
+  npm.config.parsedArgv.cooked = ['2.1.4', '--', './foo.js', './bar.js']
+
+  const diff = requireInject('../../lib/diff.js', {
+    ...mocks,
+    libnpmdiff: async ({ a, b }, opts) => {
+      t.equal(a, 'foo@2.1.4', 'should use expected spec')
+      t.equal(b, undefined, 'should have no b spec')
+      t.match(opts, npm.flatOptions, 'should forward flat options')
+      t.match(opts, {
+        diffOpts: {
+          ...defaultOpts.diffOpts,
+          files: [
+            './foo.js',
+            './bar.js',
+          ],
+        },
+      }, 'should forward all remaining items as filenames')
+    },
+  })
+
+  diff(['2.1.4', './foo.js', './bar.js'], err => {
+    if (err)
+      throw err
+  })
+})
+
+t.test('set files no args', t => {
+  t.plan(4)
+
+  npm.config.parsedArgv.cooked = ['--', './foo.js', './bar.js']
+
+  const diff = requireInject('../../lib/diff.js', {
+    ...mocks,
+    libnpmdiff: async ({ a, b }, opts) => {
+      t.equal(a, 'foo@latest', 'should have default spec')
+      t.equal(b, undefined, 'should have no b spec')
+      t.match(opts, npm.flatOptions, 'should forward flat options')
+      t.match(opts, {
+        diffOpts: {
+          ...defaultOpts.diffOpts,
+          files: [
+            './foo.js',
+            './bar.js',
+          ],
+        },
+      }, 'should forward all remaining items as filenames')
+    },
+  })
+
+  diff(['./foo.js', './bar.js'], err => {
+    if (err)
+      throw err
+  })
+})
+
+t.test('using diff option', t => {
+  t.plan(2)
+
+  npm.config.set('unified', 5)
+  npm.config.set('ignore-all-space', true)
+  npm.config.set('no-prefix', false)
+  npm.config.set('src-prefix', 'foo/')
+  npm.config.set('dst-prefix', 'bar/')
+  npm.config.set('text', true)
+
+  const diff = requireInject('../../lib/diff.js', {
+    ...mocks,
+    libnpmdiff: async ({ a, b }, opts) => {
+      t.match(opts, npm.flatOptions, 'should forward flat options')
+      t.match(opts, {
+        diffOpts: {
+          ...defaultOpts.diffOpts,
+          context: 5,
+          ignoreWhitespace: true,
+          noPrefix: false,
+          srcPrefix: 'foo/',
+          dstPrefix: 'bar/',
+          text: true,
+        },
+      }, 'should forward diff options')
+    },
+  })
+
+  diff([], err => {
+    if (err)
+      throw err
+  })
+})
+
+t.only('transform single direct dep name into spec comparison', t => {
+  t.plan(4)
+
+  const path = t.testdir({
+    node_modules: {
+      bar: {
+        'package.json': JSON.stringify({
+          name: 'bar',
+          version: '1.0.0',
+        }),
+      },
+    },
+    'package.json': JSON.stringify({
+      name: 'my-project',
+      dependencies: {
+        bar: '^1.0.0',
+      },
+    }),
+  })
+
+  const diff = requireInject('../../lib/diff.js', {
+    ...mocks,
+    pacote: {
+      packument: (spec) => {
+        t.equal(spec.name, 'bar', 'should have expected spec name')
+      },
+    },
+    'npm-pick-manifest': (packument, target) => {
+      t.equal(target, '^1.0.0', 'should use expected target')
+      return { version: '1.8.10' }
+    },
+    libnpmdiff: async ({ a, b }, opts) => {
+      t.equal(a, 'bar@1.0.0', 'should have current spec')
+      t.equal(b, 'bar@1.8.10', 'should have possible semver range spec')
+    },
+  })
+
+  npm.flatOptions.prefix = path
+
+  diff(['bar'], err => {
+    if (err)
+      throw err
+  })
+})
+
+t.test('single dep name, no package.json', t => {
+  const args = ['bar']
+  npm.config.parsedArgv.cooked = args
+
+  const diff = requireInject('../../lib/diff.js', {
+    ...mocks,
+    '../../lib/utils/read-local-package.js': () => {
+      throw new Error('ERR')
+    },
+  })
+
+  diff(args, err => {
+    t.match(
+      err,
+      /Needs to be run from a project dir in order to use a single package name./,
+      'should throw an error message explaining usage'
+    )
+    t.end()
+  })
+})
+
+t.test('transform single spec into spec comparison', t => {
+  t.plan(2)
+
+  const path = t.testdir({
+    node_modules: {
+      bar: {
+        'package.json': JSON.stringify({
+          name: 'bar',
+          version: '1.0.0',
+        }),
+      },
+    },
+    'package.json': JSON.stringify({
+      name: 'my-project',
+      dependencies: {
+        bar: '^1.0.0',
+      },
+    }),
+  })
+
+  const diff = requireInject('../../lib/diff.js', {
+    ...mocks,
+    libnpmdiff: async ({ a, b }, opts) => {
+      t.equal(a, 'bar@1.0.0', 'should have current spec')
+      t.equal(b, 'bar@2.0.0', 'should have expected comparison spec')
+    },
+  })
+
+  npm.flatOptions.prefix = path
+
+  diff(['bar@2.0.0'], err => {
+    if (err)
+      throw err
+  })
+})
+
+t.test('transform single spec from transitive deps', t => {
+  t.plan(4)
+
+  const path = t.testdir({
+    node_modules: {
+      bar: {
+        'package.json': JSON.stringify({
+          name: 'bar',
+          version: '1.0.0',
+          dependencies: {
+            lorem: '^2.0.0',
+          },
+        }),
+      },
+      lorem: {
+        'package.json': JSON.stringify({
+          name: 'lorem',
+          version: '2.0.0',
+        }),
+      },
+    },
+    'package.json': JSON.stringify({
+      name: 'my-project',
+      dependencies: {
+        bar: '^1.0.0',
+      },
+    }),
+  })
+
+  const diff = requireInject('../../lib/diff.js', {
+    ...mocks,
+    pacote: {
+      packument: (spec) => {
+        t.equal(spec.name, 'lorem', 'should have expected spec name')
+      },
+    },
+    'npm-pick-manifest': (packument, target) => {
+      t.equal(target, '^2.0.0', 'should target first semver-range spec found')
+      return { version: '2.2.2' }
+    },
+    libnpmdiff: async ({ a, b }, opts) => {
+      t.equal(a, 'lorem@2.0.0', 'should have current spec')
+      t.equal(b, 'lorem@2.2.2', 'should have expected target spec')
+    },
+  })
+
+  npm.flatOptions.prefix = path
+
+  diff(['lorem'], err => {
+    if (err)
+      throw err
+  })
+})
+
+t.test('missing info in local installed pkg', t => {
+  const path = t.testdir({
+    node_modules: {
+      bar: {
+        'package.json': JSON.stringify({
+          name: 'bar',
+        }),
+      },
+    },
+    'package.json': JSON.stringify({
+      name: 'my-project',
+      dependencies: {
+        bar: '^1.0.0',
+      },
+    }),
+  })
+
+  const diff = requireInject('../../lib/diff.js', {
+    ...mocks,
+    libnpmdiff: async ({ a, b }, opts) => {
+      t.equal(a, 'bar@1.0.0', 'should have current spec')
+      t.equal(b, 'bar@2.0.0', 'should have expected comparison spec')
+    },
+  })
+
+  npm.flatOptions.prefix = path
+
+  diff(['bar'], err => {
+    t.match(
+      err,
+      /Package bar not found in the current installed tree./,
+      'should throw usage message'
+    )
+    t.end()
+  })
+})
+
+t.test('missing any reference spec to compare to', t => {
+  t.plan(4)
+
+  const path = t.testdir({
+    node_modules: {
+      bar: {
+        'package.json': JSON.stringify({
+          name: 'bar',
+          version: '2.0.0',
+        }),
+      },
+    },
+  })
+
+  const diff = requireInject('../../lib/diff.js', {
+    ...mocks,
+    pacote: {
+      packument: (spec) => {
+        t.equal(spec.name, 'bar', 'should have expected spec name')
+      },
+    },
+    'npm-pick-manifest': (packument, target) => {
+      t.equal(target, '^2.0.0', 'should use expected target')
+      return { version: '2.5.10' }
+    },
+    libnpmdiff: async ({ a, b }, opts) => {
+      t.equal(a, 'bar@2.0.0', 'should have current spec')
+      t.equal(b, 'bar@2.5.10', 'should have expected target spec')
+    },
+  })
+
+  npm.flatOptions.prefix = path
+
+  diff(['bar'], err => {
+    if (err)
+      throw err
+  })
+})