chore(lint): introduce commitlint (carbon-design-system#2155)

Also introduces 50/72 rule.

Author: asudoh

.yarn-offline-mirror/@babel-runtime-7.0.0.tgz

@@ -162,6 +162,8 @@
     "@babel/plugin-transform-object-assign": "^7.0.0",
     "@babel/preset-env": "^7.1.0",
     "@babel/preset-react": "^7.0.0",
+    "@commitlint/cli": "^7.5.0",
+    "@commitlint/config-conventional": "^7.5.0",
     "@storybook/addon-a11y": "~4.0.12",
     "@storybook/addon-actions": "~4.0.12",
     "@storybook/addon-info": "~4.0.12",
@@ -183,10 +185,8 @@
     "carbon-icons": "^7.0.5",
     "chalk": "^2.3.0",
     "cli-table": "^0.3.0",
-    "commitizen": "^2.9.5",
     "cross-env": "^5.2.0",
     "css-loader": "^1.0.1",
-    "cz-conventional-changelog-components": "^1.0.0",
     "enzyme": "^3.9.0",
     "enzyme-adapter-react-16": "^1.11.0",
     "enzyme-to-json": "^3.3.4",
@@ -195,11 +195,11 @@
     "eslint-plugin-jsx-a11y": "^6.1.2",
     "eslint-plugin-react": "^7.11.1",
     "gzip-size": "^5.0.0",
-    "husky": "^1.1.2",
+    "husky": "^1.3.0",
     "jest": "^24.0.0",
     "jest-circus": "^24.0.0",
     "lcov2badge": "^0.1.0",
-    "lint-staged": "^7.3.0",
+    "lint-staged": "^8.0.0",
     "mini-css-extract-plugin": "^0.4.4",
     "node-sass": "4.10.0",
     "object-assign": "^4.1.1",
@@ -224,7 +224,6 @@
     "storybook-readme": "^4.0.2",
     "string-replace-loader": "^2.1.0",
     "terser-webpack-plugin": "^1.1.0",
-    "validate-commit-msg": "^2.10.1",
     "webpack": "^4.25.1",
     "whatwg-fetch": "^2.0.3"
   },
@@ -268,9 +267,18 @@
       "@babel/plugin-proposal-do-expressions"
     ]
   },
+  "commitlint": {
+    "extends": [
+      "@commitlint/config-conventional"
+    ],
+    "rules": {
+      "header-max-length": [2, "always", 50],
+      "body-max-line-length": [2, "always", 72]
+    }
+  },
   "husky": {
     "hooks": {
-      "commit-msg": "validate-commit-msg",
+      "commit-msg": "commitlint -E HUSKY_GIT_PARAMS",
       "pre-commit": "lint-staged"
     }
   },
@@ -291,28 +299,6 @@
       "git add"
     ]
   },
-  "config": {
-    "validate-commit-msg": {
-      "types": [
-        "feat",
-        "fix",
-        "docs",
-        "style",
-        "refactor",
-        "perf",
-        "test",
-        "chore",
-        "revert"
-      ],
-      "warnOnFail": false,
-      "maxSubjectLength": 100,
-      "subjectPattern": ".+",
-      "subjectPatternErrorMsg": "Subject does not match subject pattern!"
-    },
-    "commitizen": {
-      "path": "./node_modules/cz-conventional-changelog-components"
-    }
-  },
   "repository": {
     "type": "git",
     "url": "https://github.com/IBM/carbon-components-react.git"