workflow: improve git hooks setup

.github/COMMIT_CONVENTION.md

@@ -2,6 +2,14 @@
 
 > This is adapted from [Angular's commit convention](https://github.com/conventional-changelog/conventional-changelog/blob/master/packages/conventional-changelog-angular/convention.md).
 
+#### TL;DR:
+
+Messages must be matched by the following regex:
+
+``` js
+/^(revert: )?(feat|fix|docs|style|refactor|perf|test|workflow|ci|chore|types)(\(.+\))?: .{1,50}/
+```
+
 #### Examples
 
 Appears under "Features" header, `compiler` subheader:

.github/CONTRIBUTING.md

@@ -40,18 +40,12 @@ You will need [Node.js](http://nodejs.org) **version 6+** and [Java Runtime Envi
 After cloning the repo, run:
 
 ``` bash
-$ npm install
-& npm run setup
+$ npm install # or yarn
 ```
 
-The `setup` script links two git hooks:
-
-- `pre-commit`: runs ESLint on staged files.
-- `commit-msg`: validates commit message format (see below).
-
 ### Committing Changes
 
-Commit messages should follow the [commit message convention](./COMMIT_CONVENTION.md) so that changelogs can be automatically generated. If git hooks have been properly linked, commit messages will be automatically validated upon commit. It is recommended to use `npm run commit` instead of `git commit`, which provides an interactive CLI for generating proper commit messages.
+Commit messages should follow the [commit message convention](./COMMIT_CONVENTION.md) so that changelogs can be automatically generated. Commit messages will be automatically validated upon commit. If you are not familiar with the commit message convention, you can use `npm run commit` instead of `git commit`, which provides an interactive CLI for generating proper commit messages.
 
 ### Commonly used NPM scripts
 

package-lock.json

@@ -310,6 +310,12 @@
       "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=",
       "dev": true
     },
+    "any-observable": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/any-observable/-/any-observable-0.2.0.tgz",
+      "integrity": "sha1-xnhwBYADV5AJCD9UrAq6+1wz0kI=",
+      "dev": true
+    },
     "anymatch": {
       "version": "1.3.2",
       "resolved": "https://registry.npmjs.org/anymatch/-/anymatch-1.3.2.tgz",
@@ -320,6 +326,12 @@
         "normalize-path": "2.1.1"
       }
     },
+    "app-root-path": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/app-root-path/-/app-root-path-2.0.1.tgz",
+      "integrity": "sha1-zWLc+OT9WkF+/GZNLlsQZTxlG0Y=",
+      "dev": true
+    },
     "archiver": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/archiver/-/archiver-1.3.0.tgz",
@@ -1643,6 +1655,12 @@
         "request": "2.83.0"
       }
     },
+    "ci-info": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/ci-info/-/ci-info-1.1.2.tgz",
+      "integrity": "sha512-uTGIPNx/nSpBdsF6xnseRXLLtfr9VLqkz8ZqHXr3Y7b6SftyRxBGjwMtJj1OhNbmlc1wZzLNAlAcvyIiE8a6ZA==",
+      "dev": true
+    },
     "cipher-base": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/cipher-base/-/cipher-base-1.0.4.tgz",
@@ -1668,6 +1686,30 @@
         "restore-cursor": "1.0.1"
       }
     },
+    "cli-spinners": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/cli-spinners/-/cli-spinners-0.1.2.tgz",
+      "integrity": "sha1-u3ZNiOGF+54eaiofGXcjGPYF4xw=",
+      "dev": true
+    },
+    "cli-truncate": {
+      "version": "0.2.1",
+      "resolved": "https://registry.npmjs.org/cli-truncate/-/cli-truncate-0.2.1.tgz",
+      "integrity": "sha1-nxXPuwcFAFNpIWxiasfQWrkN1XQ=",
+      "dev": true,
+      "requires": {
+        "slice-ansi": "0.0.4",
+        "string-width": "1.0.2"
+      },
+      "dependencies": {
+        "slice-ansi": {
+          "version": "0.0.4",
+          "resolved": "https://registry.npmjs.org/slice-ansi/-/slice-ansi-0.0.4.tgz",
+          "integrity": "sha1-7b+JA/ZvfOL46v1s7tZeJkyDGzU=",
+          "dev": true
+        }
+      }
+    },
     "cli-width": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/cli-width/-/cli-width-2.2.0.tgz",
@@ -2344,6 +2386,29 @@
       "integrity": "sha1-jtolLsqrWEDc2XXOuQ2TcMgZ/4c=",
       "dev": true
     },
+    "cosmiconfig": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/cosmiconfig/-/cosmiconfig-3.1.0.tgz",
+      "integrity": "sha512-zedsBhLSbPBms+kE7AH4vHg6JsKDz6epSv2/+5XHs8ILHlgDciSJfSWf8sX9aQ52Jb7KI7VswUTsLpR/G0cr2Q==",
+      "dev": true,
+      "requires": {
+        "is-directory": "0.3.1",
+        "js-yaml": "3.10.0",
+        "parse-json": "3.0.0",
+        "require-from-string": "2.0.1"
+      },
+      "dependencies": {
+        "parse-json": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/parse-json/-/parse-json-3.0.0.tgz",
+          "integrity": "sha1-+m9HsY4jgm6tMvJj50TQ4ehH+xM=",
+          "dev": true,
+          "requires": {
+            "error-ex": "1.3.1"
+          }
+        }
+      }
+    },
     "crc": {
       "version": "3.5.0",
       "resolved": "https://registry.npmjs.org/crc/-/crc-3.5.0.tgz",
@@ -2537,6 +2602,12 @@
       "integrity": "sha512-vKQ9DTQPN1FLYiiEEOQ6IBGFqvjCa5rSK3cWMy/Nespm5d/x3dGFT9UBZnkLxCwua/IXBi2TYnwTEpsOvhC4UQ==",
       "dev": true
     },
+    "date-fns": {
+      "version": "1.29.0",
+      "resolved": "https://registry.npmjs.org/date-fns/-/date-fns-1.29.0.tgz",
+      "integrity": "sha512-lbTXWZ6M20cWH8N9S6afb0SBm6tMk+uUg6z3MqHPKE9atmsY3kJkTm8vKe93izJ2B2+q5MV990sM2CHgtAZaOw==",
+      "dev": true
+    },
     "date-now": {
       "version": "0.1.4",
       "resolved": "https://registry.npmjs.org/date-now/-/date-now-0.1.4.tgz",
@@ -2830,6 +2901,12 @@
       "integrity": "sha1-zIcsFoiArjxxiXYv1f/ACJbJUYo=",
       "dev": true
     },
+    "elegant-spinner": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/elegant-spinner/-/elegant-spinner-1.0.1.tgz",
+      "integrity": "sha1-2wQ1IcldfjA/2PNFvtwzSc+wcp4=",
+      "dev": true
+    },
     "elliptic": {
       "version": "6.4.0",
       "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.4.0.tgz",
@@ -3737,6 +3814,12 @@
         "merge": "1.2.0"
       }
     },
+    "find-parent-dir": {
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/find-parent-dir/-/find-parent-dir-0.3.0.tgz",
+      "integrity": "sha1-M8RLQpqysvBkYpnF+fcY83b/jVQ=",
+      "dev": true
+    },
     "find-root": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/find-root/-/find-root-1.0.0.tgz",
@@ -4871,6 +4954,12 @@
       "integrity": "sha1-9wLmMSfn4jHBYKgMFVSstw1QR+U=",
       "dev": true
     },
+    "get-own-enumerable-property-symbols": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/get-own-enumerable-property-symbols/-/get-own-enumerable-property-symbols-2.0.1.tgz",
+      "integrity": "sha512-TtY/sbOemiMKPRUDDanGCSgBYe7Mf0vbRsWnBZ+9yghpZ1MvcpSpuZFjHdEeY/LZjZy0vdLjS77L6HosisFiug==",
+      "dev": true
+    },
     "get-pkg-repo": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/get-pkg-repo/-/get-pkg-repo-1.4.0.tgz",
@@ -5514,6 +5603,21 @@
         "builtin-modules": "1.1.1"
       }
     },
+    "is-ci": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/is-ci/-/is-ci-1.1.0.tgz",
+      "integrity": "sha512-c7TnwxLePuqIlxHgr7xtxzycJPegNHFuIrBkwbf8hc58//+Op1CqFkyS+xnIMkwn9UsJIwc174BIjkyBmSpjKg==",
+      "dev": true,
+      "requires": {
+        "ci-info": "1.1.2"
+      }
+    },
+    "is-directory": {
+      "version": "0.3.1",
+      "resolved": "https://registry.npmjs.org/is-directory/-/is-directory-0.3.1.tgz",
+      "integrity": "sha1-YTObbyR1/Hcv2cnYP1yFddwVSuE=",
+      "dev": true
+    },
     "is-dotfile": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/is-dotfile/-/is-dotfile-1.0.3.tgz",
@@ -5601,6 +5705,15 @@
       "integrity": "sha1-PkcprB9f3gJc19g6iW2rn09n2w8=",
       "dev": true
     },
+    "is-observable": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/is-observable/-/is-observable-0.2.0.tgz",
+      "integrity": "sha1-s2ExHYPG5dcmyr9eJQsCNxBvWuI=",
+      "dev": true,
+      "requires": {
+        "symbol-observable": "0.2.4"
+      }
+    },
     "is-path-cwd": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/is-path-cwd/-/is-path-cwd-1.0.0.tgz",
@@ -5649,6 +5762,12 @@
       "integrity": "sha1-V/4cTkhHTt1lsJkR8msc1Ald2oQ=",
       "dev": true
     },
+    "is-regexp": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/is-regexp/-/is-regexp-1.0.0.tgz",
+      "integrity": "sha1-/S2INUXEa6xaYz57mgnof6LLUGk=",
+      "dev": true
+    },
     "is-resolvable": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/is-resolvable/-/is-resolvable-1.0.0.tgz",
@@ -5844,6 +5963,24 @@
       "integrity": "sha1-vMl5rh+f0FcB5F5S5l06XWPxok4=",
       "dev": true
     },
+    "jest-get-type": {
+      "version": "21.2.0",
+      "resolved": "https://registry.npmjs.org/jest-get-type/-/jest-get-type-21.2.0.tgz",
+      "integrity": "sha512-y2fFw3C+D0yjNSDp7ab1kcd6NUYfy3waPTlD8yWkAtiocJdBRQqNoRqVfMNxgj+IjT0V5cBIHJO0z9vuSSZ43Q==",
+      "dev": true
+    },
+    "jest-validate": {
+      "version": "21.2.1",
+      "resolved": "https://registry.npmjs.org/jest-validate/-/jest-validate-21.2.1.tgz",
+      "integrity": "sha512-k4HLI1rZQjlU+EC682RlQ6oZvLrE5SCh3brseQc24vbZTxzT/k/3urar5QMCVgjadmSO7lECeGdc6YxnM3yEGg==",
+      "dev": true,
+      "requires": {
+        "chalk": "2.3.0",
+        "jest-get-type": "21.2.0",
+        "leven": "2.1.0",
+        "pretty-format": "21.2.1"
+      }
+    },
     "js-tokens": {
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-3.0.2.tgz",
@@ -6207,6 +6344,12 @@
         "invert-kv": "1.0.0"
       }
     },
+    "leven": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/leven/-/leven-2.1.0.tgz",
+      "integrity": "sha1-wuep93IJTe6dNCAq6KzORoeHVYA=",
+      "dev": true
+    },
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       "resolved": "https://registry.npmjs.org/levn/-/levn-0.3.0.tgz",
@@ -6217,6 +6360,209 @@
         "type-check": "0.3.2"
       }
     },
+    "lint-staged": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/lint-staged/-/lint-staged-6.0.0.tgz",
+      "integrity": "sha512-ZUftK94S4vedpQG1LlA2tc2AuQXXBwc+1lB+j8SEfG5+p2dqu3Ug8iYQ8jdap+uLkhDw4OaJXqE+CZ/L+vfv+Q==",
+      "dev": true,
+      "requires": {
+        "app-root-path": "2.0.1",
+        "chalk": "2.3.0",
+        "commander": "2.12.2",
+        "cosmiconfig": "3.1.0",
+        "debug": "3.1.0",
+        "dedent": "0.7.0",
+        "execa": "0.8.0",
+        "find-parent-dir": "0.3.0",
+        "is-glob": "4.0.0",
+        "jest-validate": "21.2.1",
+        "listr": "0.13.0",
+        "lodash": "4.17.4",
+        "log-symbols": "2.1.0",
+        "minimatch": "3.0.4",
+        "npm-which": "3.0.1",
+        "p-map": "1.2.0",
+        "path-is-inside": "1.0.2",
+        "pify": "3.0.0",
+        "staged-git-files": "0.0.4",
+        "stringify-object": "3.2.1"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
+          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+          "dev": true,
+          "requires": {
+            "ms": "2.0.0"
+          }
+        },
+        "dedent": {
+          "version": "0.7.0",
+          "resolved": "https://registry.npmjs.org/dedent/-/dedent-0.7.0.tgz",
+          "integrity": "sha1-JJXduvbrh0q7Dhvp3yLS5aVEMmw=",
+          "dev": true
+        },
+        "execa": {
+          "version": "0.8.0",
+          "resolved": "https://registry.npmjs.org/execa/-/execa-0.8.0.tgz",
+          "integrity": "sha1-2NdrvBtVIX7RkP1t1J08d07PyNo=",
+          "dev": true,
+          "requires": {
+            "cross-spawn": "5.1.0",
+            "get-stream": "3.0.0",
+            "is-stream": "1.1.0",
+            "npm-run-path": "2.0.2",
+            "p-finally": "1.0.0",
+            "signal-exit": "3.0.2",
+            "strip-eof": "1.0.0"
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+          "resolved": "https://registry.npmjs.org/is-extglob/-/is-extglob-2.1.1.tgz",
+          "integrity": "sha1-qIwCU1eR8C7TfHahueqXc8gz+MI=",
+          "dev": true
+        },
+        "is-glob": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/is-glob/-/is-glob-4.0.0.tgz",
+          "integrity": "sha1-lSHHaEXMJhCoUgPd8ICpWML/q8A=",
+          "dev": true,
+          "requires": {
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+          }
+        }
+      }
+    },
+    "listr": {
+      "version": "0.13.0",
+      "resolved": "https://registry.npmjs.org/listr/-/listr-0.13.0.tgz",
+      "integrity": "sha1-ILsLowuuZg7oTMBQPfS+PVYjiH0=",
+      "dev": true,
+      "requires": {
+        "chalk": "1.1.3",
+        "cli-truncate": "0.2.1",
+        "figures": "1.7.0",
+        "indent-string": "2.1.0",
+        "is-observable": "0.2.0",
+        "is-promise": "2.1.0",
+        "is-stream": "1.1.0",
+        "listr-silent-renderer": "1.1.1",
+        "listr-update-renderer": "0.4.0",
+        "listr-verbose-renderer": "0.4.1",
+        "log-symbols": "1.0.2",
+        "log-update": "1.0.2",
+        "ora": "0.2.3",
+        "p-map": "1.2.0",
+        "rxjs": "5.5.6",
+        "stream-to-observable": "0.2.0",
+        "strip-ansi": "3.0.1"
+      },
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+          "dev": true,
+          "requires": {
+            "ansi-styles": "2.2.1",
+            "escape-string-regexp": "1.0.5",
+            "has-ansi": "2.0.0",
+            "strip-ansi": "3.0.1",
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+          "integrity": "sha1-N2/3tY6jCGoPCfrMdGF+ylAeGhg=",
+          "dev": true,
+          "requires": {
+            "chalk": "1.1.3"
+          }
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+    "listr-silent-renderer": {
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+      "integrity": "sha1-kktaN1cVN3C/Go4/v3S4u/P5JC4=",
+      "dev": true
+    },
+    "listr-update-renderer": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/listr-update-renderer/-/listr-update-renderer-0.4.0.tgz",
+      "integrity": "sha1-NE2YDaLKLosUW6MFkI8yrj9MyKc=",
+      "dev": true,
+      "requires": {
+        "chalk": "1.1.3",
+        "cli-truncate": "0.2.1",
+        "elegant-spinner": "1.0.1",
+        "figures": "1.7.0",
+        "indent-string": "3.2.0",
+        "log-symbols": "1.0.2",
+        "log-update": "1.0.2",
+        "strip-ansi": "3.0.1"
+      },
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+          "dev": true,
+          "requires": {
+            "ansi-styles": "2.2.1",
+            "escape-string-regexp": "1.0.5",
+            "has-ansi": "2.0.0",
+            "strip-ansi": "3.0.1",
+            "supports-color": "2.0.0"
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+          "integrity": "sha1-Sl/W0nzDMvN+VBmlBNu4NxBckok=",
+          "dev": true
+        },
+        "log-symbols": {
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+          "resolved": "https://registry.npmjs.org/log-symbols/-/log-symbols-1.0.2.tgz",
+          "integrity": "sha1-N2/3tY6jCGoPCfrMdGF+ylAeGhg=",
+          "dev": true,
+          "requires": {
+            "chalk": "1.1.3"
+          }
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+      }
+    },
+    "listr-verbose-renderer": {
+      "version": "0.4.1",
+      "resolved": "https://registry.npmjs.org/listr-verbose-renderer/-/listr-verbose-renderer-0.4.1.tgz",
+      "integrity": "sha1-ggb0z21S3cWCfl/RSYng6WWTOjU=",
+      "dev": true,
+      "requires": {
+        "chalk": "1.1.3",
+        "cli-cursor": "1.0.2",
+        "date-fns": "1.29.0",
+        "figures": "1.7.0"
+      },
+      "dependencies": {
+        "chalk": {
+          "version": "1.1.3",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
+          "dev": true,
+          "requires": {
+            "ansi-styles": "2.2.1",
+            "escape-string-regexp": "1.0.5",
+            "has-ansi": "2.0.0",
+            "strip-ansi": "3.0.1",
+            "supports-color": "2.0.0"
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+    },
     "load-json-file": {
       "version": "1.1.0",
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@@ -6537,6 +6883,16 @@
         "chalk": "2.3.0"
       }
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+    "log-update": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/log-update/-/log-update-1.0.2.tgz",
+      "integrity": "sha1-GZKfZMQJPS0ucHWh2tivWcKWuNE=",
+      "dev": true,
+      "requires": {
+        "ansi-escapes": "1.4.0",
+        "cli-cursor": "1.0.2"
+      }
+    },
     "log4js": {
       "version": "0.6.38",
       "resolved": "https://registry.npmjs.org/log4js/-/log4js-0.6.38.tgz",
@@ -7036,6 +7392,15 @@
         "remove-trailing-separator": "1.1.0"
       }
     },
+    "npm-path": {
+      "version": "2.0.4",
+      "resolved": "https://registry.npmjs.org/npm-path/-/npm-path-2.0.4.tgz",
+      "integrity": "sha512-IFsj0R9C7ZdR5cP+ET342q77uSRdtWOlWpih5eC+lu29tIDbNEgDbzgVJ5UFvYHWhxDZ5TFkJafFioO0pPQjCw==",
+      "dev": true,
+      "requires": {
+        "which": "1.3.0"
+      }
+    },
     "npm-run-path": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/npm-run-path/-/npm-run-path-2.0.2.tgz",
@@ -7045,6 +7410,17 @@
         "path-key": "2.0.1"
       }
     },
+    "npm-which": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/npm-which/-/npm-which-3.0.1.tgz",
+      "integrity": "sha1-kiXybsOihcIJyuZ8OxGmtKtxQKo=",
+      "dev": true,
+      "requires": {
+        "commander": "2.12.2",
+        "npm-path": "2.0.4",
+        "which": "1.3.0"
+      }
+    },
     "null-check": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/null-check/-/null-check-1.0.0.tgz",
@@ -7159,6 +7535,33 @@
       "integrity": "sha1-7CLTEoBrtT5zF3Pnza788cZDEo8=",
       "dev": true
     },
+    "ora": {
+      "version": "0.2.3",
+      "resolved": "https://registry.npmjs.org/ora/-/ora-0.2.3.tgz",
+      "integrity": "sha1-N1J9Igrc1Tw5tzVx11QVbV22V6Q=",
+      "dev": true,
+      "requires": {
+        "chalk": "1.1.3",
+        "cli-cursor": "1.0.2",
+        "cli-spinners": "0.1.2",
+        "object-assign": "4.1.1"
+      },
+      "dependencies": {
+        "chalk": {
+          "version": "1.1.3",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
+          "dev": true,
+          "requires": {
+            "ansi-styles": "2.2.1",
+            "escape-string-regexp": "1.0.5",
+            "has-ansi": "2.0.0",
+            "strip-ansi": "3.0.1",
+            "supports-color": "2.0.0"
+          }
+        }
+      }
+    },
     "os-browserify": {
       "version": "0.3.0",
       "resolved": "https://registry.npmjs.org/os-browserify/-/os-browserify-0.3.0.tgz",
@@ -7525,6 +7928,33 @@
       "integrity": "sha1-gV7R9uvGWSb4ZbMQwHE7yzMVzks=",
       "dev": true
     },
+    "pretty-format": {
+      "version": "21.2.1",
+      "resolved": "https://registry.npmjs.org/pretty-format/-/pretty-format-21.2.1.tgz",
+      "integrity": "sha512-ZdWPGYAnYfcVP8yKA3zFjCn8s4/17TeYH28MXuC8vTp0o21eXjbFGcOAXZEaDaOFJjc3h2qa7HQNHNshhvoh2A==",
+      "dev": true,
+      "requires": {
+        "ansi-regex": "3.0.0",
+        "ansi-styles": "3.2.0"
+      },
+      "dependencies": {
+        "ansi-regex": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
+          "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
+          "dev": true
+        },
+        "ansi-styles": {
+          "version": "3.2.0",
+          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.0.tgz",
+          "integrity": "sha512-NnSOmMEYtVR2JVMIGTzynRkkaxtiq1xnFBcdQD/DnNCYPoEPsVJhM98BDyaoNOQIi7p4okdi3E27eN7GQbsUug==",
+          "dev": true,
+          "requires": {
+            "color-convert": "1.9.1"
+          }
+        }
+      }
+    },
     "private": {
       "version": "0.1.8",
       "resolved": "https://registry.npmjs.org/private/-/private-0.1.8.tgz",
@@ -7938,6 +8368,12 @@
       "integrity": "sha1-jGStX9MNqxyXbiNE/+f3kqam30I=",
       "dev": true
     },
+    "require-from-string": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/require-from-string/-/require-from-string-2.0.1.tgz",
+      "integrity": "sha1-xUUjPp19pmFunVmt+zn8n1iGdv8=",
+      "dev": true
+    },
     "require-main-filename": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/require-main-filename/-/require-main-filename-1.0.1.tgz",
@@ -8261,6 +8697,23 @@
         "rx-lite": "4.0.8"
       }
     },
+    "rxjs": {
+      "version": "5.5.6",
+      "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-5.5.6.tgz",
+      "integrity": "sha512-v4Q5HDC0FHAQ7zcBX7T2IL6O5ltl1a2GX4ENjPXg6SjDY69Cmx9v4113C99a4wGF16ClPv5Z8mghuYorVkg/kg==",
+      "dev": true,
+      "requires": {
+        "symbol-observable": "1.0.1"
+      },
+      "dependencies": {
+        "symbol-observable": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/symbol-observable/-/symbol-observable-1.0.1.tgz",
+          "integrity": "sha1-g0D8RwLDEi310iKI+IKD9RPT/dQ=",
+          "dev": true
+        }
+      }
+    },
     "safe-buffer": {
       "version": "5.1.1",
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.1.tgz",
@@ -8712,6 +9165,12 @@
         "tweetnacl": "0.14.5"
       }
     },
+    "staged-git-files": {
+      "version": "0.0.4",
+      "resolved": "https://registry.npmjs.org/staged-git-files/-/staged-git-files-0.0.4.tgz",
+      "integrity": "sha1-15fhtVHKemOd7AI33G60u5vhfTU=",
+      "dev": true
+    },
     "statuses": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.4.0.tgz",
@@ -8750,6 +9209,15 @@
         "xtend": "4.0.1"
       }
     },
+    "stream-to-observable": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/stream-to-observable/-/stream-to-observable-0.2.0.tgz",
+      "integrity": "sha1-WdbqOT2HwsDdrBCqDVYbxrpvDhA=",
+      "dev": true,
+      "requires": {
+        "any-observable": "0.2.0"
+      }
+    },
     "string-width": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
@@ -8770,6 +9238,17 @@
         "safe-buffer": "5.1.1"
       }
     },
+    "stringify-object": {
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/stringify-object/-/stringify-object-3.2.1.tgz",
+      "integrity": "sha512-jPcQYw/52HUPP8uOE4kkjxl5bB9LfHkKCTptIk3qw7ozP5XMIMlHMLjt00GGSwW6DJAf/njY5EU6Vpwl4LlBKQ==",
+      "dev": true,
+      "requires": {
+        "get-own-enumerable-property-symbols": "2.0.1",
+        "is-obj": "1.0.1",
+        "is-regexp": "1.0.0"
+      }
+    },
     "stringstream": {
       "version": "0.0.5",
       "resolved": "https://registry.npmjs.org/stringstream/-/stringstream-0.0.5.tgz",
@@ -8821,6 +9300,12 @@
       "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
       "dev": true
     },
+    "symbol-observable": {
+      "version": "0.2.4",
+      "resolved": "https://registry.npmjs.org/symbol-observable/-/symbol-observable-0.2.4.tgz",
+      "integrity": "sha1-lag9smGG1q9+ehjb2XYKL4bQj0A=",
+      "dev": true
+    },
     "table": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/table/-/table-4.0.2.tgz",
@@ -9943,6 +10428,47 @@
       "integrity": "sha1-AI4G2AlDIMNy28L47XagymyKxBk=",
       "dev": true
     },
+    "yorkie": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/yorkie/-/yorkie-1.0.1.tgz",
+      "integrity": "sha512-PokRVjgpjjuaIECSDH15OaYzwT04JMnCnikECXX86CthiKUExsmETLVof/XY/c+tGH4nRk8KMjW3cC3fdvnhgA==",
+      "dev": true,
+      "requires": {
+        "execa": "0.8.0",
+        "is-ci": "1.1.0",
+        "normalize-path": "1.0.0",
+        "strip-indent": "2.0.0"
+      },
+      "dependencies": {
+        "execa": {
+          "version": "0.8.0",
+          "resolved": "https://registry.npmjs.org/execa/-/execa-0.8.0.tgz",
+          "integrity": "sha1-2NdrvBtVIX7RkP1t1J08d07PyNo=",
+          "dev": true,
+          "requires": {
+            "cross-spawn": "5.1.0",
+            "get-stream": "3.0.0",
+            "is-stream": "1.1.0",
+            "npm-run-path": "2.0.2",
+            "p-finally": "1.0.0",
+            "signal-exit": "3.0.2",
+            "strip-eof": "1.0.0"
+          }
+        },
+        "normalize-path": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/normalize-path/-/normalize-path-1.0.0.tgz",
+          "integrity": "sha1-MtDkcvkf80VwHBWoMRAY07CpA3k=",
+          "dev": true
+        },
+        "strip-indent": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/strip-indent/-/strip-indent-2.0.0.tgz",
+          "integrity": "sha1-XvjbKV0B5u1sv3qrlpmNeCJSe2g=",
+          "dev": true
+        }
+      }
+    },
     "zip-stream": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/zip-stream/-/zip-stream-1.2.0.tgz",

package.json

@@ -33,7 +33,7 @@
     "test:ssr": "npm run build:ssr && jasmine JASMINE_CONFIG_PATH=test/ssr/jasmine.json",
     "test:sauce": "npm run sauce -- 0 && npm run sauce -- 1 && npm run sauce -- 2",
     "test:types": "tsc -p ./types/test/tsconfig.json",
-    "lint": "eslint src scripts test",
+    "lint": "eslint --fix src scripts test",
     "flow": "flow check",
     "sauce": "karma start test/unit/karma.sauce.config.js",
     "bench:ssr": "npm run build:ssr && node benchmarks/ssr/renderToString.js && node benchmarks/ssr/renderToStream.js",
@@ -43,6 +43,16 @@
     "setup": "node scripts/setup.js",
     "commit": "git-cz"
   },
+  "gitHooks": {
+    "pre-commit": "lint-staged",
+    "commit-msg": "node scripts/verify-commit-msg.js"
+  },
+  "lint-staged": {
+    "*.js": [
+      "eslint --fix",
+      "git add"
+    ]
+  },
   "repository": {
     "type": "git",
     "url": "git+https://github.com/vuejs/vue.git"
@@ -104,6 +114,7 @@
     "karma-sauce-launcher": "^1.1.0",
     "karma-sourcemap-loader": "^0.3.7",
     "karma-webpack": "^2.0.3",
+    "lint-staged": "^6.0.0",
     "lodash": "^4.17.4",
     "lodash.template": "^4.4.0",
     "lodash.uniq": "^4.5.0",
@@ -128,7 +139,8 @@
     "uglify-js": "^3.0.15",
     "webpack": "^3.10.0",
     "weex-js-runtime": "^0.23.5",
-    "weex-styler": "^0.3.0"
+    "weex-styler": "^0.3.0",
+    "yorkie": "^1.0.1"
   },
   "config": {
     "commitizen": {

scripts/setup.js

@@ -1,12 +0,0 @@
-const { test, ln, chmod } = require('shelljs')
-
-function installHooks () {
-  if (test('-e', '.git/hooks')) {
-    ln('-sf', '../../scripts/git-hooks/pre-commit', '.git/hooks/pre-commit')
-    chmod('+x', '.git/hooks/pre-commit')
-    ln('-sf', '../../scripts/git-hooks/commit-msg', '.git/hooks/commit-msg')
-    chmod('+x', '.git/hooks/commit-msg')
-  }
-}
-
-installHooks()

scripts/verify-commit-msg.js

@@ -0,0 +1,18 @@
+const chalk = require('chalk')
+const msgPath = process.env.GIT_PARAMS
+const msg = require('fs').readFileSync(msgPath, 'utf-8').trim()
+
+const commitRE = /^(revert: )?(feat|fix|docs|style|refactor|perf|test|workflow|ci|chore|types)(\(.+\))?: .{1,50}/
+
+if (!commitRE.test(msg)) {
+  console.log()
+  console.error(
+    `  ${chalk.bgRed.white(' ERROR ')} ${chalk.red(`invalid commit message format.`)}\n\n` +
+    chalk.red(`  Proper commit message format is required for automated changelog generation. Examples:\n\n`) +
+    `    ${chalk.green(`feat(compiler): add 'comments' option`)}\n` +
+    `    ${chalk.green(`fix(v-model): handle events on blur (close #28)`)}\n\n` +
+    chalk.red(`  See .github/COMMIT_CONVENTION.md for more details.\n`) +
+    chalk.red(`  You can also use ${chalk.cyan(`npm run commit`)} to interactively generate a commit message.\n`)
+  )
+  process.exit(1)
+}