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UI Performance #544

Merged
merged 10 commits into from
Nov 6, 2018
2 changes: 2 additions & 0 deletions ui/Dockerfile
Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,8 @@ RUN npm --quiet --silent install .
COPY .npmrc /alephui/.npmrc
COPY i18n /alephui/i18n
COPY public /alephui/public
COPY scripts /alephui/scripts
COPY config /alephui/config
COPY src /alephui/src

# RUN npm run build
2 changes: 2 additions & 0 deletions ui/Dockerfile.production
Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,8 @@ RUN npm --quiet --silent install .
COPY .npmrc /alephui/.npmrc
COPY i18n /alephui/i18n
COPY public /alephui/public
COPY scripts /alephui/scripts
COPY config /alephui/config
COPY src /alephui/src
ENV REACT_APP_API_ENDPOINT /api/2/
RUN npm run build
Expand Down
93 changes: 93 additions & 0 deletions ui/config/env.js
Original file line number Diff line number Diff line change
@@ -0,0 +1,93 @@
'use strict';

const fs = require('fs');
const path = require('path');
const paths = require('./paths');

// Make sure that including paths.js after env.js will read .env variables.
delete require.cache[require.resolve('./paths')];

const NODE_ENV = process.env.NODE_ENV;
if (!NODE_ENV) {
throw new Error(
'The NODE_ENV environment variable is required but was not specified.'
);
}

// https://github.com/bkeepers/dotenv#what-other-env-files-can-i-use
var dotenvFiles = [
`${paths.dotenv}.${NODE_ENV}.local`,
`${paths.dotenv}.${NODE_ENV}`,
// Don't include `.env.local` for `test` environment
// since normally you expect tests to produce the same
// results for everyone
NODE_ENV !== 'test' && `${paths.dotenv}.local`,
paths.dotenv,
].filter(Boolean);

// Load environment variables from .env* files. Suppress warnings using silent
// if this file is missing. dotenv will never modify any environment variables
// that have already been set. Variable expansion is supported in .env files.
// https://github.com/motdotla/dotenv
// https://github.com/motdotla/dotenv-expand
dotenvFiles.forEach(dotenvFile => {
if (fs.existsSync(dotenvFile)) {
require('dotenv-expand')(
require('dotenv').config({
path: dotenvFile,
})
);
}
});

// We support resolving modules according to `NODE_PATH`.
// This lets you use absolute paths in imports inside large monorepos:
// https://github.com/facebook/create-react-app/issues/253.
// It works similar to `NODE_PATH` in Node itself:
// https://nodejs.org/api/modules.html#modules_loading_from_the_global_folders
// Note that unlike in Node, only *relative* paths from `NODE_PATH` are honored.
// Otherwise, we risk importing Node.js core modules into an app instead of Webpack shims.
// https://github.com/facebook/create-react-app/issues/1023#issuecomment-265344421
// We also resolve them to make sure all tools using them work consistently.
const appDirectory = fs.realpathSync(process.cwd());
process.env.NODE_PATH = (process.env.NODE_PATH || '')
.split(path.delimiter)
.filter(folder => folder && !path.isAbsolute(folder))
.map(folder => path.resolve(appDirectory, folder))
.join(path.delimiter);

// Grab NODE_ENV and REACT_APP_* environment variables and prepare them to be
// injected into the application via DefinePlugin in Webpack configuration.
const REACT_APP = /^REACT_APP_/i;

function getClientEnvironment(publicUrl) {
const raw = Object.keys(process.env)
.filter(key => REACT_APP.test(key))
.reduce(
(env, key) => {
env[key] = process.env[key];
return env;
},
{
// Useful for determining whether we’re running in production mode.
// Most importantly, it switches React into the correct mode.
NODE_ENV: process.env.NODE_ENV || 'development',
// Useful for resolving the correct path to static assets in `public`.
// For example, <img src={process.env.PUBLIC_URL + '/img/logo.png'} />.
// This should only be used as an escape hatch. Normally you would put
// images into the `src` and `import` them in code to get their paths.
PUBLIC_URL: publicUrl,
}
);
// Stringify all values so we can feed into Webpack DefinePlugin
const stringified = {
'process.env': Object.keys(raw).reduce((env, key) => {
env[key] = JSON.stringify(raw[key]);
return env;
}, {}),
};

return { raw, stringified };
}

module.exports = getClientEnvironment;
14 changes: 14 additions & 0 deletions ui/config/jest/cssTransform.js
Original file line number Diff line number Diff line change
@@ -0,0 +1,14 @@
'use strict';

// This is a custom Jest transformer turning style imports into empty objects.
// http://facebook.github.io/jest/docs/en/webpack.html

module.exports = {
process() {
return 'module.exports = {};';
},
getCacheKey() {
// The output is always the same.
return 'cssTransform';
},
};
30 changes: 30 additions & 0 deletions ui/config/jest/fileTransform.js
Original file line number Diff line number Diff line change
@@ -0,0 +1,30 @@
'use strict';

const path = require('path');

// This is a custom Jest transformer turning file imports into filenames.
// http://facebook.github.io/jest/docs/en/webpack.html

module.exports = {
process(src, filename) {
const assetFilename = JSON.stringify(path.basename(filename));

if (filename.match(/\.svg$/)) {
return `module.exports = {
__esModule: true,
default: ${assetFilename},
ReactComponent: (props) => ({
$$typeof: Symbol.for('react.element'),
type: 'svg',
ref: null,
key: null,
props: Object.assign({}, props, {
children: ${assetFilename}
})
}),
};`;
}

return `module.exports = ${assetFilename};`;
},
};
89 changes: 89 additions & 0 deletions ui/config/paths.js
Original file line number Diff line number Diff line change
@@ -0,0 +1,89 @@
'use strict';

const path = require('path');
const fs = require('fs');
const url = require('url');

// Make sure any symlinks in the project folder are resolved:
// https://github.com/facebook/create-react-app/issues/637
const appDirectory = fs.realpathSync(process.cwd());
const resolveApp = relativePath => path.resolve(appDirectory, relativePath);

const envPublicUrl = process.env.PUBLIC_URL;

function ensureSlash(inputPath, needsSlash) {
const hasSlash = inputPath.endsWith('/');
if (hasSlash && !needsSlash) {
return inputPath.substr(0, inputPath.length - 1);
} else if (!hasSlash && needsSlash) {
return `${inputPath}/`;
} else {
return inputPath;
}
}

const getPublicUrl = appPackageJson =>
envPublicUrl || require(appPackageJson).homepage;

// We use `PUBLIC_URL` environment variable or "homepage" field to infer
// "public path" at which the app is served.
// Webpack needs to know it to put the right <script> hrefs into HTML even in
// single-page apps that may serve index.html for nested URLs like /todos/42.
// We can't use a relative path in HTML because we don't want to load something
// like /todos/42/static/js/bundle.7289d.js. We have to know the root.
function getServedPath(appPackageJson) {
const publicUrl = getPublicUrl(appPackageJson);
const servedUrl =
envPublicUrl || (publicUrl ? url.parse(publicUrl).pathname : '/');
return ensureSlash(servedUrl, true);
}

const moduleFileExtensions = [
'web.mjs',
'mjs',
'web.js',
'js',
'web.ts',
'ts',
'web.tsx',
'tsx',
'json',
'web.jsx',
'jsx',
];

// Resolve file paths in the same order as webpack
const resolveModule = (resolveFn, filePath) => {
const extension = moduleFileExtensions.find(extension =>
fs.existsSync(resolveFn(`${filePath}.${extension}`))
);

if (extension) {
return resolveFn(`${filePath}.${extension}`);
}

return resolveFn(`${filePath}.js`);
};

// config after eject: we're in ./config/
module.exports = {
dotenv: resolveApp('.env'),
appPath: resolveApp('.'),
appBuild: resolveApp('build'),
appPublic: resolveApp('public'),
appHtml: resolveApp('public/index.html'),
appIndexJs: resolveModule(resolveApp, 'src/index'),
appPackageJson: resolveApp('package.json'),
appSrc: resolveApp('src'),
appTsConfig: resolveApp('tsconfig.json'),
yarnLockFile: resolveApp('yarn.lock'),
testsSetup: resolveModule(resolveApp, 'src/setupTests'),
proxySetup: resolveApp('src/setupProxy.js'),
appNodeModules: resolveApp('node_modules'),
publicUrl: getPublicUrl(resolveApp('package.json')),
servedPath: getServedPath(resolveApp('package.json')),
};



module.exports.moduleFileExtensions = moduleFileExtensions;