Merge branch 'master' into master

.editorconfig

@@ -0,0 +1,12 @@
+# EditorConfig is awesome: http://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+indent_style = space
+indent_size = 2
+tab_width = 2
+# trim_trailing_whitespace = true

.eslintrc.json

@@ -0,0 +1,8 @@
+{
+  "extends": "standard",
+  "rules": {
+    "one-var": "off",
+    "semi": ["error", "always"],
+    "space-before-function-paren": ["error", "never"]
+  }
+}

.gitignore

@@ -2,3 +2,4 @@
 node_modules
 *.sock
 .idea
+.vscode/

.travis.yml

@@ -1,13 +1,12 @@
 language: node_js
 sudo: false
 node_js:
-  - "0.6"
-  - "0.8"
-  - "0.10"
-  - "0.12"
-  - "io.js"
-  - "2"
-  - "3"
-  - "4"
-  - "6"
-  - "node"
+- "6"
+- "8"
+- "10"
+cache:
+  directories:
+    - "node_modules"
+script:
+- npm run lint
+- npm test

History.md → CHANGELOG.md

@@ -1,4 +1,151 @@
 
+2.20.0 / 2019-04-02
+==================
+
+  * fix: resolve symbolic links completely when hunting for subcommands (#935)
+  * Update index.d.ts (#930)
+  * Update Readme.md (#924)
+  * Remove --save option as it isn't required anymore (#918)
+  * Add link to the license file (#900)
+  * Added example of receiving args from options (#858)
+  * Added missing semicolon (#882)
+  * Add extension to .eslintrc (#876)
+
+2.19.0 / 2018-10-02
+==================
+
+  * Removed newline after Options and Commands headers (#864)
+  * Bugfix - Error output (#862)
+  * Fix to change default value to string (#856)
+
+2.18.0 / 2018-09-07
+==================
+
+  * Standardize help output (#853)
+  * chmod 644 travis.yml (#851)
+  * add support for execute typescript subcommand via ts-node (#849)
+
+2.17.1 / 2018-08-07
+==================
+
+  * Fix bug in command emit (#844)
+
+2.17.0 / 2018-08-03
+==================
+
+  * fixed newline output after help information (#833)
+  * Fix to emit the action even without command (#778)
+  * npm update (#823)
+
+2.16.0 / 2018-06-29
+==================
+
+  * Remove Makefile and `test/run` (#821)
+  * Make 'npm test' run on Windows (#820)
+  * Add badge to display install size (#807)
+  * chore: cache node_modules (#814)
+  * chore: remove Node.js 4 (EOL), add Node.js 10 (#813)
+  * fixed typo in readme (#812)
+  * Fix types (#804)
+  * Update eslint to resolve vulnerabilities in lodash (#799)
+  * updated readme with custom event listeners. (#791)
+  * fix tests (#794)
+
+2.15.0 / 2018-03-07
+==================
+
+  * Update downloads badge to point to graph of downloads over time instead of duplicating link to npm
+  * Arguments description
+
+2.14.1 / 2018-02-07
+==================
+
+  * Fix typing of help function
+
+2.14.0 / 2018-02-05
+==================
+
+  * only register the option:version event once
+  * Fixes issue #727: Passing empty string for option on command is set to undefined
+  * enable eqeqeq rule
+  * resolves #754 add linter configuration to project
+  * resolves #560 respect custom name for version option
+  * document how to override the version flag
+  * document using options per command
+
+2.13.0 / 2018-01-09
+==================
+
+  * Do not print default for --no-
+  * remove trailing spaces in command help
+  * Update CI's Node.js to LTS and latest version
+  * typedefs: Command and Option types added to commander namespace
+
+2.12.2 / 2017-11-28
+==================
+
+  * fix: typings are not shipped
+
+2.12.1 / 2017-11-23
+==================
+
+  * Move @types/node to dev dependency
+
+2.12.0 / 2017-11-22
+==================
+
+  * add attributeName() method to Option objects
+  * Documentation updated for options with --no prefix
+  * typings: `outputHelp` takes a string as the first parameter
+  * typings: use overloads
+  * feat(typings): update to match js api
+  * Print default value in option help
+  * Fix translation error
+  * Fail when using same command and alias (#491)
+  * feat(typings): add help callback
+  * fix bug when description is add after command with options (#662)
+  * Format js code
+  * Rename History.md to CHANGELOG.md (#668)
+  * feat(typings): add typings to support TypeScript (#646)
+  * use current node
+
+2.11.0 / 2017-07-03
+==================
+
+  * Fix help section order and padding (#652)
+  * feature: support for signals to subcommands (#632)
+  * Fixed #37, --help should not display first (#447)
+  * Fix translation errors. (#570)
+  * Add package-lock.json
+  * Remove engines
+  * Upgrade package version
+  * Prefix events to prevent conflicts between commands and options (#494)
+  * Removing dependency on graceful-readlink
+  * Support setting name in #name function and make it chainable
+  * Add .vscode directory to .gitignore (Visual Studio Code metadata)
+  * Updated link to ruby commander in readme files
+
+2.10.0 / 2017-06-19
+==================
+
+  * Update .travis.yml. drop support for older node.js versions.
+  * Fix require arguments in README.md
+  * On SemVer you do not start from 0.0.1
+  * Add missing semi colon in readme
+  * Add save param to npm install
+  * node v6 travis test
+  * Update Readme_zh-CN.md
+  * Allow literal '--' to be passed-through as an argument
+  * Test subcommand alias help
+  * link build badge to master branch
+  * Support the alias of Git style sub-command
+  * added keyword commander for better search result on npm
+  * Fix Sub-Subcommands
+  * test node.js stable
+  * Fixes TypeError when a command has an option called `--description`
+  * Update README.md to make it beginner friendly and elaborate on the difference between angled and square brackets.
+  * Add chinese Readme file
+
 2.9.0 / 2015-10-13
 ==================