Chore: adds commitlint

.commitlintrc.json

@@ -0,0 +1,19 @@
+{
+    "rules": {
+		"subject-empty": [2, "never"],
+		"type-empty": [2, "never"],
+		"type-enum": [
+			2,
+			"always",
+			[
+				"Chore",
+				"Fix",
+				"New",
+				"Update",
+				"Breaking",
+				"Docs",
+				"Upgrade"
+			]
+		]
+    }
+}

.husky/.gitignore

@@ -0,0 +1 @@
+_

.husky/commit-msg

@@ -0,0 +1,4 @@
+#!/bin/sh
+. "$(dirname "$0")/_/husky.sh"
+
+npx --no-install commitlint --edit $1

package.json

@@ -5,7 +5,7 @@
   "main": "./lib",
   "scripts": {
     "build": "babel src --out-dir ./lib",
-    "prepare": "npm run build",
+    "prepare": "npm run build && husky install",
     "coveralls": "cat ./coverage/lcov.info | coveralls",
     "test:security": "npm audit",
     "test:lint": "eslint src",
@@ -36,6 +36,7 @@
     "@babel/polyfill": "^7.8.7",
     "@babel/preset-env": "^7.3.4",
     "@babel/runtime": "^7.3.4",
+    "@commitlint/cli": "^12.1.1",
     "@semantic-release/changelog": "^3.0.4",
     "@semantic-release/commit-analyzer": "^6.1.0",
     "@semantic-release/git": "^7.0.8",
@@ -56,6 +57,7 @@
     "eslint-plugin-prefer-spread": "^1.0.3",
     "eslint-plugin-react": "^7.12.4",
     "fs-extra": "^8.1.0",
+    "husky": "^6.0.0",
     "mocha": "^6.2.3",
     "nyc": "^14.1.1",
     "semantic-release": "^15.13.19",