Sample code of ESlint specification in Vue project

 = {
 root: true,
 parserOptions: {
 parser: 'babel-eslint',
 sourceType: 'module'
 },
 env: {
 browser: true,
 node: true,
 es6: true,
 },
 extends: ['plugin:vue/essential', 'eslint:recommended'],
 rules: {
 // The levels are divided into three levels: 0-not displayed; 1-show warning; 2-show error error
 ////////////////////
 ////// vue. Specification //////// ///////////////////
 "vue/max-attributes-per-line": [1, {    //Elements of multiple characteristics should be written in multiple lines, one line for each characteristic  "singleline": 10,
  "multiline": {
  "max": 1,
  "allowFirstLine": false
  }
 }],
 "vue/singleline-html-element-content-newline": 0, // Line breaks are required before and after the content of a single line element "vue/multiline-html-element-content-newline": 0, // Need a newline before and after the content of a multi-line element "vue/name-property-casing": [1, "PascalCase"], // The component name in JS/JSX should always be Pascal nomenclature "vue/no-v-html": 0,
 "vue/prop-name-casing": [1, "camelCase"],   // When declaring a prop, its naming should always be named using camel "vue/require-v-for-key": 1,      // Set key values ​​for v-for, and use them in combination with keys to efficiently update the virtual DOM "vue/no-use-v-if-with-v-for": [2, {
  "allowUsingIterationVar": false
 }],            // Don't use v-if and v-for on the same element - because v-for has a higher priority than v-if "vue/order-in-components": [0, {     // Order of options for components/instances  "order": [
  "el",
  "name",
  "parent",
  "functional",
  ["delimiters", "comments"],
  ["components", "directives", "filters"],
  "extends",
  "mixins",
  "inheritAttrs",
  "model",
  ["props", "propsData"],
  "data",
  "computed",
  "watch",
  "LIFECYCLE_HOOKS",
  "methods",
  ["template", "render"],
  "renderError"
  ]
 }],

 ////////////////////
 ////// js. Specification ////// ///////////////////
 'accessor-pairs': 2,    // Force getter/setter in object 'arrow-spacing': [2, {   // Require space before/after arrow function  'before': true,
  'after': true
 }],
 'block-spacing': [2, 'always'], // Disable or enforce spaces inside the block after opening and before closing the block 'brace-style': [1, '1tbs', {  // Brace style is required  'allowSingleLine': true
 }],
 'camelcase': [0, {    // Need to be named  'properties': 'always'
 }],
 'comma-dangle': [2, 'never'],  // Require or prohibit the use of trailing commas; the last attribute is that no commas are required 'comma-spacing': [2, {   // Force the spacing next to the comma: a space on the left and right  'before': false,
  'after': true
 }],
 'comma-style': [2, 'last'],  // Comma style 'constructor-super': 2,   // Use super method in the build method 'curly': [2, 'multi-line'],  
 'dot-location': [1, 'property'], // Force wrap before and after dot 'eol-last': 2,     // Require or prohibit line breaks at the end of the file 'eqeqeq': [0, "always", { "null": "ignore" }], // Whether to use the same 'generator-star-spacing': [2, { // Force spacing around * in generator function  'before': true,
  'after': true
 }],
 'handle-callback-err': [1, '^(err|error)$'], // Force callback error handling 'indent': [2, 2, {     // Enforce consistent indentation  'SwitchCase': 1
 }],
 'jsx-quotes': [2, 'prefer-single'], // Force single quotes to be used consistently in JSX files 'key-spacing': [2, {    // Force a consistent spacing between keys and values ​​in object properties  'beforeColon': false,
  'afterColon': true
 }],
 'keyword-spacing': [2, {   // Enforce consistent spacing before and after keywords  'before': true,
  'after': true
 }],
 'new-cap': [2, {     // Require the constructor name to start with capital letters  'newIsCap': true,
  'capIsNew': false
 }],
 'new-parens': 2,     // Parentheses are required when calling a function without parameters 'no-array-constructor': 2,   // Disable array builder 'no-caller': 2,      //Unable to use callers/callees 'no-console': 'off',    //Console is not allowed 'no-class-assign': 2,    // Disable modification of variables declared in class 'no-cond-assign': 2,    // Disable assignment operators in conditional statements 'no-const-assign': 2,    // Disable modification of variables declared using const 'no-control-regex': 0,    // Disable control characters in regular expressions 'no-delete-var': 2,     // Disable variable deletion 'no-dupe-args': 2,     // Disable duplicate parameters in function definition 'no-dupe-class-members': 2,   //Don't repeat names in class members 'no-dupe-keys': 2,     // Objects are prohibited from repeatedly declaring properties 'no-duplicate-case': 2,    // Rules prohibit duplicate case tags 'no-empty-character-class': 2,  // Use empty character classes in regular expressions are prohibited 'no-empty-pattern': 2,    // No empty deconstruction mode is allowed 'no-eval': 2,      // Use of eval() is prohibited 'no-ex-assign': 2,     // Reassign exceptions in catch clauses 'no-extend-native': 2,    // Disable expansion of native objects 'no-extra-bind': 2,     // Unnecessary function binding is prohibited 'no-extra-boolean-cast': 2,   // Disable unnecessary boolean type conversion 'no-extra-parens': [2, 'functions'], // Unnecessary brackets are prohibited 'no-fallthrough': 2,     // Too many statements and descriptions are prohibited 'no-floating-decimal': 2,   // Floating decimals is prohibited 'no-func-assign': 2,     // Reassign function declarations are prohibited 'no-implied-eval': 2,    
 'no-inner-declarations': [2, 'functions'], // Disable variables or function declarations in nested blocks 'no-invalid-regexp': 2,    // Disable the use of invalid regular expression strings in RegExp 'no-irregular-whitespace': 2,  // Irregular blanks are not allowed 'no-iterator': 2,     // Iterator is prohibited 'no-label-var': 2,     // Disable tags of variable names 'no-labels': [2, {     
  'allowLoop': false,
  'allowSwitch': false
 }],
 'no-lone-blocks': 2,     // ban unnecessary nested blocks 'no-mixed-spaces-and-tabs': 2,  // Use of mixed spaces and tabs for indentation is prohibited 'no-multi-spaces': 2,    // Multiple spaces are prohibited 'no-multi-str': 2,     // Multi-line strings are prohibited 'no-multiple-empty-lines': [2, {  // Forbid multiple empty lines  'max': 1
 }],
 'no-native-reassign': 2,    
 'no-negated-in-lhs': 2,
 'no-new-object': 2,
 'no-new-require': 2,
 'no-new-symbol': 2,
 'no-new-wrappers': 2,
 'no-obj-calls': 2,
 'no-octal': 2,
 'no-octal-escape': 2,
 'no-path-concat': 2,
 'no-proto': 2,
 'no-redeclare': 2,
 'no-regex-spaces': 2,
 'no-return-assign': [2, 'except-parens'],
 'no-self-assign': 2,
 'no-self-compare': 2,
 'no-sequences': 2,
 'no-shadow-restricted-names': 2,
 'no-spaced-func': 2,
 'no-sparse-arrays': 2,
 'no-this-before-super': 2,
 'no-throw-literal': 2,
 'no-trailing-spaces': 2,
 'no-undef': 0,
 'no-undef-init': 2,
 'no-unexpected-multiline': 2,
 'no-unmodified-loop-condition': 2, // Unmodified loop conditions are prohibited 'no-unneeded-ternary': [2, {   // ternary operators are not allowed when simpler alternatives exist  'defaultAssignment': false
 }],
 'no-unreachable': 2,     // ban inaccessible code after returning, throwing, continuing and interrupt statements 'no-unsafe-finally': 2,    // Disable control flow statements in finally blocks 'no-unused-vars': [1, {    //Undeclared variables are prohibited  'vars': 'all',
  'args': 'none'
 }],
 'no-useless-call': 2,     // Disable unnecessary call() and apply() methods 'no-useless-computed-key': 2,   // Use unnecessary computed attribute keys on objects are prohibited 'no-useless-constructor': 2,   // Unnecessary construction methods are prohibited 'no-useless-escape': 0,    // Unnecessary escaping usage is prohibited 'no-whitespace-before-property': 2, // Disable spaces before attribute 'no-with': 2,
 'one-var': [2, {
  'initialized': 'never'
 }],
 'operator-linebreak': [2, 'after', { // Enforce consistent line breaking methods to maintain  'overrides': {
  '?': 'before',
  ':': 'before'
  }
 }],
 'padded-blocks': [2, 'never'],   // Require or prohibit filling in blocks 'quotes': [2, 'single', {
  'avoidEscape': true,
  'allowTemplateLiterals': true
 }],
 'semi': [2, 'never'],
 'semi-spacing': [2, {
  'before': false,
  'after': true
 }],
 'space-before-blocks': [2, 'always'], // Don't have extra block space 'space-before-function-paren': [2, 'never'],
 'space-in-parens': [2, 'never'],
 'space-infix-ops': 2,
 'space-unary-ops': [2, {
  'words': true,
  'nonwords': false
 }],
 'spaced-comment': [2, 'always', {
  'markers': ['global', 'globals', 'eslint', 'eslint-disable', '*package', '!', ',']
 }],
 'template-curly-spacing': [2, 'never'],
 'use-isnan': 2,
 'valid-typeof': 2,
 'wrap-iife': [2, 'any'],
 'yield-star-spacing': [2, 'both'],
 'yoda': [2, 'never'],
 'prefer-const': 1,
 'no-debugger': .NODE_ENV === 'production' ? 2 : 0,
 'object-curly-spacing': [2, 'always', {
  objectsInObjects: false
 }],
 'array-bracket-spacing': [2, 'never']
 }
}