build: Update linting config

.eslintrc.json

@@ -1,11 +1,17 @@
 {
-  "extends": "airbnb-base",
-  "plugins": ["import"],
+  "extends": ["airbnb-base", "prettier"],
+  "plugins": ["import", "prettier"],
   "rules": {
-    "arrow-parens": ["error", "as-needed"],
     "no-console": ["error", { "allow": ["warn", "error"] }],
     "no-param-reassign": "off",
     "no-shadow": "off",
-    "no-use-before-define": "off"
+    "no-use-before-define": "off",
+    "prettier/prettier": [
+      "error",
+      {
+        "singleQuote": true,
+        "trailingComma": "all"
+      }
+    ]
   }
 }

.lintstagedrc

@@ -0,0 +1,3 @@
+{
+  "*.js": "eslint"
+}

README.md

@@ -308,7 +308,6 @@ feather.toSvg('circle', { class: 'foo bar' })
 
 - [ ] Write icon design guidelines
 - [ ] Track code coverage
-- [ ] Use Prettier to enforce consistent code style
 - [ ] Improve SVG accessibility
 - [ ] Handle usage of custom icons
 - [ ] Add usage examples

commitlint.config.js

@@ -0,0 +1,6 @@
+module.exports = {
+  extends: ['@commitlint/config-angular'],
+  rules: {
+    'subject-case': 'sentence-case',
+  },
+};

package.json

@@ -11,14 +11,22 @@
     "build": "./bin/build.sh",
     "lint": "eslint .",
     "test": "jest",
-    "commitmsg": "validate-commit-msg",
     "cm": "git-cz",
+    "precommit": "lint-staged",
+    "commitmsg": "commitlint --edit",
     "semantic-release": "semantic-release pre && npm publish && semantic-release post"
   },
+  "config": {
+    "commitizen": {
+      "path": "cz-conventional-changelog"
+    }
+  },
   "dependencies": {
     "classnames": "^2.2.5"
   },
   "devDependencies": {
+    "@commitlint/cli": "^5.0.0",
+    "@commitlint/config-angular": "^5.0.0",
     "babel-cli": "^6.24.1",
     "babel-loader": "^7.1.1",
     "babel-plugin-transform-object-rest-spread": "^6.26.0",
@@ -30,25 +38,20 @@
     "cz-conventional-changelog": "^2.1.0",
     "eslint": "^4.0.0",
     "eslint-config-airbnb-base": "^11.2.0",
+    "eslint-config-prettier": "^2.7.0",
     "eslint-plugin-import": "^2.5.0",
+    "eslint-plugin-prettier": "^2.3.1",
     "html-minifier": "^3.5.6",
     "husky": "^0.13.4",
     "jest": "^21.2.1",
+    "lint-staged": "^5.0.0",
     "npm-run-all": "^4.1.2",
-    "parse5": "^3.0.2",
     "prettier": "^1.8.2",
     "rimraf": "^2.6.2",
-    "rsvp": "^3.6.0",
     "semantic-release": "^6.3.6",
     "svgo": "^0.7.2",
-    "validate-commit-msg": "^2.12.1",
     "webpack": "^3.0.0"
   },
-  "config": {
-    "commitizen": {
-      "path": "cz-conventional-changelog"
-    }
-  },
   "repository": {
     "type": "git",
     "url": "https://github.com/colebemis/feather.git"