.eslintrc.js

module.exports = {
    extends: [
        'eslint:recommended',
        'plugin:vue/recommended'
    ],
    parser: 'vue-eslint-parser',
    parserOptions: {
        parser: 'babel-eslint',
        ecmaVersion: 2017,
        sourceType: 'module',
        allowImportExportEverywhere: true
    },
    rules: {
        'indent': ['error', 4, { 'SwitchCase': 1, 'MemberExpression': 1 }],
        'no-trailing-spaces': 'error',
        'no-console': process.env.NODE_ENV === 'production' ? [
            'error',
            { 'allow': ['warn', 'error'] },
        ] : 'off',
        'no-debugger': process.env.NODE_ENV === 'production' ? 'error' : 'off',
        'no-fallthrough': 'off',
        'no-case-declarations': 'off',
        'space-before-function-paren': 'error',
        'spaced-comment': 'error',
        'arrow-spacing': 'error',
        'keyword-spacing': 'error',
        'semi': ['error', 'always'],
        'dot-location': ['error', 'property'],
        'dot-notation': 'error',
        'no-alert': 'off',
        'eqeqeq': ['error', 'always'],
        'no-floating-decimal': 'error',
        'no-global-assign': 'error',
        'no-multi-spaces': 'error',
        'no-useless-return': 'error',
        'no-undef-init': 'warn',
        'no-use-before-define': ['error', { 'functions': false }],
        'array-bracket-newline': ['error', 'consistent'],
        'brace-style': ['error', '1tbs'],
        'comma-dangle': [ 'error', 'always-multiline' ],
        'comma-spacing': 'error',
        'comma-style': 'error',
        'eol-last': 'error',
        'func-call-spacing': 'error',
        'jsx-quotes': ['error', 'prefer-double'],
        'quotes': ['error', 'single', { 'allowTemplateLiterals': true }],
        'quote-props': ['error', 'as-needed'],
        'linebreak-style': 'warn',
        'lines-around-comment': 'warn',
        'max-depth': ['error', 3],
        'max-statements-per-line': 'error',
        'newline-per-chained-call': 'error',
        'no-lonely-if': 'error',
        'no-mixed-operators': 'warn',
        'no-multiple-empty-lines': ['error', { 'max': 1, 'maxEOF': 0, 'maxBOF': 0 }],
        'no-tabs': 'warn',
        'space-before-blocks': 'error',
        'space-infix-ops': 'error',
        'space-unary-ops': [2, {
            'words': true,
            'nonwords': true,
            'overrides': {
                '-': false,
                '++': false,
                '--': false,
            },
        }],
        'space-in-parens': 'error',
        'switch-colon-spacing': 'error',
        'arrow-body-style': 'error',
        'no-duplicate-imports': 'warn',
        'no-useless-computed-key': 'warn',
        'no-var': 'error',
        'arrow-parens': ['error', 'as-needed'],
        'curly': 'error',
        'vue/no-dupe-keys': 'error',
        'vue/no-reserved-keys': 'error',
        'vue/no-shared-component-data': 'error',
        'vue/require-valid-default-prop': 'error',
        'vue/require-default-prop': 'error',
        'vue/require-prop-types': 'error',
        'vue/this-in-template': 'error',
        'vue/return-in-computed-property': 'error',
        'vue/html-quotes': 'error',
        'vue/order-in-components': [2, {
            'order': [
                ['name', 'delimiters', 'functional', 'extends'],
                'el',
                ['components', 'directives', 'filters'],
                ['parent', 'mixins', 'provide', 'inject'],
                'template',
                'model',
                'props',
                'propsData',
                'data',
                'chill',
                'computed',
                'watch',
                'methods',
                'LIFECYCLE_HOOKS',
                'render',
                'renderError',
            ],
        }],
        'vue/max-attributes-per-line': [2, {
            'singleline': 2,
            'multiline': {
                'max': 1,
                'allowFirstLine': false,
            },
        }],
        'vue/html-self-closing': ['error', {
            'html': {
                'void': 'never',
                'normal': 'never',
                'component': 'never',
            },
        }],
        'vue/html-closing-bracket-newline': ['error', {
            'singleline': 'never',
            'multiline': 'always',
        }],
        'vue/html-indent': ['error', 4],
        'vue/no-side-effects-in-computed-properties': ['off'],
        'vue/attributes-order': ['off'],
        'vue/prop-name-casing': ['error', 'camelCase'],
        'vue/multiline-html-element-content-newline': ['off'],
        'vue/singleline-html-element-content-newline': ['off'],
        'vue/no-v-html': ['off'],
    },
};