| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318 | module.exports = {    root: true,    parser: 'babel-eslint',    parserOptions: {        sourceType: 'module'    },    env: {        browser: true,        node: true    },    extends: 'eslint:recommended',    // required to lint *.vue files    plugins: [        'html'    ],    // check if imports actually resolve    'settings': {        'import/resolver': {            'webpack': {                'config': 'build/webpack.base.conf.js'            }        }    },    // add your custom rules here    'rules': {        // don't require .vue extension when importing        // 'import/extensions': ['error', 'always', {        //     'js': 'never',        //     'vue': 'never'        // }],        // allow debugger during development        'no-debugger': process.env.NODE_ENV === 'production' ? 2 : 0,        /*         * Possible Errors         */        // disallow unnecessary parentheses        'no-extra-parens': ['error', 'all', {'nestedBinaryExpressions': false}],        // disallow negating the left operand of relational operators        'no-unsafe-negation': 'error',        // enforce valid JSDoc comments        'valid-jsdoc': 'off',        /*         * Best Practices         */        // enforce return statements in callbacks of array methods        'array-callback-return': 'error',        // enforce consistent brace style for all control statements        curly: ['error', 'multi-line'],        // enforce consistent newlines before and after dots        'dot-location': ['error', 'property'],        // enforce dot notation whenever possible        'dot-notation': 'error',        // require the use of === and !==        'eqeqeq': ['error', 'smart'],        // disallow the use of arguments.caller or arguments.callee        'no-caller': 'error',        // disallow empty functions        'no-empty-function': 'error',        // disallow unnecessary calls to .bind()        'no-extra-bind': 'error',        // disallow unnecessary labels        'no-extra-label': 'error',        // disallow leading or trailing decimal points in numeric literals        'no-floating-decimal': 'error',        // disallow assignments to native objects or read-only global variables        'no-global-assign': 'error',        // disallow the use of eval()-like methods        'no-implied-eval': 'error',        // disallow the use of the __iterator__ property        'no-iterator': 'error',        // disallow unnecessary nested blocks        'no-lone-blocks': 'error',        // disallow multiple spaces        'no-multi-spaces': 'error',        // disallow new operators with the String, Number, and Boolean objects        'no-new-wrappers': 'error',        // disallow octal escape sequences in string literals        'no-octal-escape': 'error',        // disallow the use of the __proto__ property        'no-proto': 'error',        // disallow comparisons where both sides are exactly the same        'no-self-compare': 'error',        // disallow throwing literals as exceptions        'no-throw-literal': 'error',        // disallow unused expressions        'no-unused-expressions': 'error',        // disallow unnecessary calls to .call() and .apply()        'no-useless-call': 'error',        // disallow unnecessary concatenation of literals or template literals        'no-useless-concat': 'error',        // disallow unnecessary escape characters        'no-useless-escape': 'error',        // disallow void operators        'no-void': 'error',        // require parentheses around immediate function invocations        'wrap-iife': 'error',        // require or disallow “Yoda” conditions        yoda: 'error',        /*         * Variables         */        // disallow labels that share a name with a variable        'no-label-var': 'error',        // disallow initializing variables to undefined        'no-undef-init': 'error',        'no-undef': 'off',        // disallow the use of variables before they are defined        'no-use-before-define': 'error',        /*         * Node.js and CommonJS         */        // disallow new operators with calls to require        'no-new-require': 'error',        /*         * Stylistic Issues         */        // enforce consistent spacing inside array brackets        'array-bracket-spacing': 'error',        // enforce consistent spacing inside single-line blocks        'block-spacing': 'error',        // enforce consistent brace style for blocks        'brace-style': ['error', '1tbs', {'allowSingleLine': true}],        // require or disallow trailing commas        'comma-dangle': 'error',        // enforce consistent spacing before and after commas        'comma-spacing': 'error',        // enforce consistent comma style        'comma-style': 'error',        // enforce consistent spacing inside computed property brackets        'computed-property-spacing': 'error',        // require or disallow spacing between function identifiers and their invocations        'func-call-spacing': 'error',        // enforce consistent indentation        indent: ['error', 2, {SwitchCase: 1}],        // enforce the consistent use of either double or single quotes in JSX attributes        'jsx-quotes': 'error',        // enforce consistent spacing between keys and values in object literal properties        'key-spacing': 'error',        // enforce consistent spacing before and after keywords        'keyword-spacing': 'error',        // enforce consistent linebreak style        'linebreak-style': 'error',        // require or disallow newlines around directives        'lines-around-directive': 'error',        // require constructor names to begin with a capital letter        'new-cap': 'off',        // require parentheses when invoking a constructor with no arguments        'new-parens': 'error',        // disallow Array constructors        'no-array-constructor': 'error',        // disallow Object constructors        'no-new-object': 'error',        // disallow trailing whitespace at the end of lines        'no-trailing-spaces': 'error',        // disallow ternary operators when simpler alternatives exist        'no-unneeded-ternary': 'error',        // disallow whitespace before properties        'no-whitespace-before-property': 'error',        // enforce consistent spacing inside braces        'object-curly-spacing': ['error', 'always'],        // require or disallow padding within blocks        'padded-blocks': ['error', 'never'],        // require quotes around object literal property names        'quote-props': ['error', 'as-needed'],        // enforce the consistent use of either backticks, double, or single quotes        quotes: ['error', 'single'],        // enforce consistent spacing before and after semicolons        'semi-spacing': 'error',        // require or disallow semicolons instead of ASI        // semi: ['error', 'never'],        // enforce consistent spacing before blocks        'space-before-blocks': 'error',        'no-console': 'off',        // enforce consistent spacing before function definition opening parenthesis        'space-before-function-paren': ['error', 'never'],        // enforce consistent spacing inside parentheses        'space-in-parens': 'error',        // require spacing around infix operators        'space-infix-ops': 'error',        // enforce consistent spacing before or after unary operators        'space-unary-ops': 'error',        // enforce consistent spacing after the // or /* in a comment        'spaced-comment': 'error',        // require or disallow Unicode byte order mark (BOM)        'unicode-bom': 'error',        /*         * ECMAScript 6         */        // require braces around arrow function bodies        'arrow-body-style': 'error',        // require parentheses around arrow function arguments        'arrow-parens': ['error', 'as-needed'],        // enforce consistent spacing before and after the arrow in arrow functions        'arrow-spacing': 'error',        // enforce consistent spacing around * operators in generator functions        'generator-star-spacing': ['error', 'after'],        // disallow duplicate module imports        'no-duplicate-imports': 'error',        // disallow unnecessary computed property keys in object literals        'no-useless-computed-key': 'error',        // disallow unnecessary constructors        'no-useless-constructor': 'error',        // disallow renaming import, export, and destructured assignments to the same name        'no-useless-rename': 'error',        // require let or const instead of var        'no-var': 'error',        // require or disallow method and property shorthand syntax for object literals        'object-shorthand': 'error',        // require arrow functions as callbacks        'prefer-arrow-callback': 'error',        // require const declarations for variables that are never reassigned after declared        'prefer-const': 'error',        // disallow parseInt() in favor of binary, octal, and hexadecimal literals        'prefer-numeric-literals': 'error',        // require rest parameters instead of arguments        'prefer-rest-params': 'error',        // require spread operators instead of .apply()        'prefer-spread': 'error',        // enforce spacing between rest and spread operators and their expressions        'rest-spread-spacing': 'error',        // require or disallow spacing around embedded expressions of template strings        'template-curly-spacing': 'error',        // require or disallow spacing around the * in yield* expressions        'yield-star-spacing': 'error'    }}
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