[build] add lint for commit-msg (#4164)

build/lint-commit-msg.js

@@ -0,0 +1,34 @@
+const fs = require('fs');
+const signale = require('signale');
+
+const gitParams = process.env.HUSKY_GIT_PARAMS;
+const commitMsg = fs.readFileSync(gitParams, 'utf-8').trim();
+
+const commitRE = /^(revert: )?\[(fix|feat|docs|perf|test|types|build|chore|refactor|breaking change)\].{1,50}/;
+
+if (!commitRE.test(commitMsg)) {
+  signale.error(`Error: invalid commit message format.
+
+Proper commit message format is required for automated changelog generation.
+
+Examples: 
+
+[fix] Button: incorrect style
+[feat] Button: add color prop
+[dosc] Button: fix typo
+
+Allowed Types:
+
+- fix
+- feat
+- docs
+- perf
+- test
+- types
+- build
+- chore
+- refactor
+- breaking change
+`);
+  process.exit(1);
+}

package.json

@@ -28,7 +28,8 @@
   },
   "husky": {
     "hooks": {
-      "pre-commit": "lint-staged"
+      "pre-commit": "lint-staged",
+      "commit-msg": "node build/lint-commit-msg.js"
     }
   },
   "lint-staged": {