chore: add verify commit script

.commitlintrc.js

@@ -1,17 +0,0 @@
-module.exports = {
-  extends: ['@commitlint/config-conventional'],
-  rules: {
-    'type-enum': [
-      2,
-      'always',
-      ['upd', 'feat', 'fix', 'refactor', 'docs', 'chore', 'style', 'revert'],
-    ],
-    'type-case': [0],
-    'type-empty': [0],
-    'scope-empty': [0],
-    'scope-case': [0],
-    'subject-full-stop': [0, 'never'],
-    'subject-case': [0, 'never'],
-    'header-max-length': [0, 'always', 72],
-  },
-}

package.json

@@ -42,6 +42,7 @@
     "@types/babel__core": "^7.1.9",
     "@typescript-eslint/eslint-plugin": "^4.20.0",
     "@typescript-eslint/parser": "^4.20.0",
+    "chalk": "^4.1.1",
     "eslint": "^7.23.0",
     "eslint-config-prettier": "^8.3.0",
     "eslint-plugin-prettier": "^3.4.0",
@@ -57,8 +58,8 @@
   },
   "husky": {
     "hooks": {
-      "commit-msg": "commitlint -E $HUSKY_GIT_PARAMS",
-      "pre-commit": "lint-staged"
+      "pre-commit": "lint-staged",
+      "commit-msg": "node scripts/verifyCommit.js"
     }
   },
   "lint-staged": {

scripts/verifyCommit.js

@@ -0,0 +1,27 @@
+// Invoked on the commit-msg git hook by yorkie.
+
+const fs = require('fs')
+const chalk = require('chalk')
+const msgPath = process.env.HUSKY_GIT_PARAMS
+const msg = fs.readFileSync(msgPath, 'utf-8').trim()
+
+const commitRE =
+  /^(revert: )?(feat|fix|docs|dx|style|refactor|perf|test|workflow|build|ci|chore|types|wip|release)(\(.+\))?: .{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`)
+  )
+  process.exit(1)
+}