Merge pull request mui#4074 from oliviertassinari/eslint-format-js

[eslint] Use the js format instead of the yaml one

.eslintrc.js

@@ -0,0 +1,131 @@
+module.exports = {
+  // So parent files don't get applied
+  root: true,
+  env: {
+    es6: true,
+    browser: true,
+    node: true,
+  },
+  extends: 'eslint:recommended',
+  parser: 'babel-eslint',
+  parserOptions: {
+    ecmaVersion: 7,
+    sourceType: 'module',
+    ecmaFeatures: {
+      jsx: true,
+      experimentalObjectRestSpread: true,
+    }
+  },
+  plugins: [
+    'babel',
+    'react',
+    'material-ui',
+  ],
+  rules: {
+    // Errors
+    'array-bracket-spacing': ['error', 'never'],
+    'arrow-spacing': 'error',
+    'arrow-parens': 'error',
+    'block-spacing': ['error', 'always'],
+    'brace-style': 'error',
+    'comma-dangle': ['error', 'always-multiline'],
+    'comma-spacing': ['error', {before: false, after: true}],
+    'comma-style': ['error', 'last'],
+    'computed-property-spacing': ['error', 'never'],
+    'consistent-this': ['error', 'self'],
+    'consistent-return': 'off', // Wishlist, one day
+    'dot-notation': 'error',
+    'dot-location': ['error', 'property'],
+    'eqeqeq': ['error', 'smart'],
+    'eol-last': 'error',
+    'indent': ['error', 2, {SwitchCase: 1}],
+    'id-blacklist': ['error', 'e'],
+    'jsx-quotes': ['error', 'prefer-double'],
+    'keyword-spacing': 'error',
+    'key-spacing': 'error',
+    'max-len': ['error', 120, 4],
+    'new-cap': ['off', {capIsNew: true, newIsCap: true}], // Wishlist, one day
+    'no-unused-expressions': 'error',
+    'no-unused-vars': 'error',
+    'no-shadow': 'off', // Wishlist, one day
+    'no-spaced-func': 'error',
+    'no-multiple-empty-lines': 'error',
+    'no-multi-spaces': 'error',
+    'no-undef': 'error',
+    'no-empty-pattern': 'error',
+    'no-dupe-keys': 'error',
+    'no-dupe-args': 'error',
+    'no-duplicate-case': 'error',
+    'no-cond-assign': 'error',
+    'no-extra-semi': 'error',
+    'no-extra-boolean-cast': 'error',
+    'no-trailing-spaces': 'error',
+    'no-underscore-dangle': 'error',
+    'no-unneeded-ternary': 'error',
+    'no-unreachable': 'error',
+    'no-var': 'error',
+    'one-var': ['error', 'never'],
+    'operator-linebreak': ['error', 'after'],
+    'padded-blocks': ['error', 'never'],
+    'prefer-arrow-callback': 'off', // Wishlist, one day
+    'prefer-const': 'error',
+    'prefer-template': 'error',
+    'quotes': ['error', 'single', 'avoid-escape'],
+    'semi': ['error', 'always'],
+    'space-before-blocks': ['error', 'always'],
+    'space-before-function-paren': ['error', 'never'],
+    'space-infix-ops': 'error',
+    'space-unary-ops': ['error', { words: true, nonwords: false }],
+    'spaced-comment': 'error',
+    'yoda': 'error',
+
+    // Disabled
+    'strict': 'off',
+    'no-case-declarations': 'off',
+
+    // Babel
+    'babel/object-curly-spacing': ['error', 'never'],
+
+    // React
+    'react/display-name': 'error',
+    'react/jsx-boolean-value': ['error', 'always'],
+    'react/jsx-closing-bracket-location': 'error',
+    'react/jsx-curly-spacing': 'error',
+    'react/jsx-equals-spacing': 'error',
+    'react/jsx-handler-names': 'error',
+    'react/jsx-indent-props': ['error', 2],
+    'react/jsx-max-props-per-line': ['error', {maximum: 3}],
+    'react/jsx-no-duplicate-props': 'error',
+    'react/jsx-no-undef': 'error',
+    'react/jsx-pascal-case': 'error',
+    'react/jsx-space-before-closing': 'error',
+    'react/jsx-uses-react': 'error',
+    'react/jsx-uses-vars': 'error',
+    'react/no-danger': 'error',
+    'react/no-did-mount-set-state': 'error',
+    'react/no-did-update-set-state': 'error',
+    'react/no-direct-mutation-state': 'error',
+    'react/no-multi-comp': 'off', // Wishlist, one day
+    'react/no-unknown-property': 'error',
+    'react/no-is-mounted': 'error',
+    'react/prefer-arrow-callback': 'off', // Wishlist, one day
+    'react/prefer-es6-class': 'off', // Wishlist, one day
+    'react/prop-types': 'error',
+    'react/react-in-jsx-scope': 'error',
+    'react/require-extension': 'error',
+    'react/self-closing-comp': 'error',
+    'react/sort-comp': 'error',
+    'react/sort-prop-types': 'error',
+    'react/wrap-multilines': 'error',
+    'react/jsx-indent': ['error', 2],
+
+    // React Disabled
+    'react/jsx-no-bind': 'off',
+    'react/jsx-no-literals': 'off',
+    'react/jsx-sort-props': 'off',
+    'react/no-set-state': 'off',
+
+    // Material-UI
+    'material-ui/docgen-ignore-before-comment': 'error',
+  },
+};