chore(changelog): add commit message verification

package.json

@@ -36,7 +36,18 @@
     "test:types": "tsc -p types/test",
     "docs": "vuepress dev docs",
     "docs:build": "vuepress build docs",
-    "release": "bash build/release.sh"
+    "release": "bash build/release.sh",
+    "prepublishOnly": "npm run build && conventional-changelog -p angular -r 2 -i CHANGELOG.md -s"
+  },
+  "gitHooks": {
+    "pre-commit": "lint-staged",
+    "commit-msg": "node scripts/verifyCommitMsg.js"
+  },
+  "lint-staged": {
+    "*.{js,vue}": [
+      "eslint --fix",
+      "git add"
+    ]
   },
   "devDependencies": {
     "babel-core": "^6.24.1",

scripts/verifyCommitMsg.js

@@ -0,0 +1,18 @@
+const chalk = require('chalk')  // eslint-disable-line
+const msgPath = process.env.GIT_PARAMS
+const msg = require('fs').readFileSync(msgPath, 'utf-8').trim()
+
+const commitRE = /^(v\d+\.\d+\.\d+(-(alpha|beta|rc.\d+))?$)|((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)
+}