232 lines
8.0 KiB
JavaScript
232 lines
8.0 KiB
JavaScript
module.exports = {
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extends: ['eslint:recommended', 'airbnb-base', 'plugin:import/recommended'],
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parser: '@babel/eslint-parser',
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parserOptions: { requireConfigFile: false },
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env: {
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browser: true,
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node: true,
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},
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settings: {
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'import/ignore': ['node_modules', '.(scss|css)$', '.(jpe?g|png|gif|svg)'],
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},
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rules: {
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/**
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* Possible Errors
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* http://eslint.org/docs/rus/#possible-errors
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*/
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// Allow dangling commas for multiline arrays and objects
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// http://eslint.org/docs/rules/comma-dangle
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'comma-dangle': [1, 'only-multiline'],
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// Warn against use of console for non-error logging
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// http://eslint.org/docs/rules/no-console
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'no-console': [1, { allow: ['error'] }],
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// Allow use of Object.prototypes builtins directly
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// http://eslint.org/docs/rules/no-prototype-builtins
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'no-prototype-builtins': [0],
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/**
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* Best Practices
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* http://eslint.org/docs/rules/#best-practices
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*/
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// Allow else clauses after an if with a return
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// http://eslint.org/docs/rules/no-else-return
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'no-else-return': [0],
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// Disallow reassignment of function parameters (but allow assigning to parameter's properties)
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// http://eslint.org/docs/rules/no-param-reassign.html
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'no-param-reassign': [2, { props: false }],
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/**
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* Variables
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* http://eslint.org/docs/rules/#variables
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*/
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// Disallow use of variables and classes before they are defined
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// http://eslint.org/docs/rules/no-use-before-define
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'no-use-before-define': [2, { functions: false, classes: true }],
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// Disallow declaration of variables that are not used in the code, unless they are prefixed by
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// `ignored` (useful for creating subset objects through destructuring and rest objects)
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// http://eslint.org/docs/rules/no-unused-vars
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'no-unused-vars': [
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2,
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{
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vars: 'local',
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args: 'after-used',
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varsIgnorePattern: 'ignored.+',
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},
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],
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/**
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* Stylelistic Issues
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* (http://eslint.org/docs/rules/#stylistic-issues)
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*/
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// Enforce 4-space indents, except for switch cases
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// http://eslint.org/docs/rules/indent
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'indent': [2, 4, { SwitchCase: 1, VariableDeclarator: 1 }],
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// Specify the maximum length of a code line to be 100
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// http://eslint.org/docs/rules/max-len
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'max-len': [
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2,
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{
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code: 105, // Use 105 to give some leeway for *just* slightly longer lines when convienient
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ignorePattern: '^(import|export) .* from .*$',
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ignoreComments: false,
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ignoreTrailingComments: true,
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ignoreUrls: true,
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},
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],
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// Require capitalization when using `new`, but don't require capitalized functions to be called
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// with new
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// http://eslint.org/docs/rules/new-cap
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'new-cap': [2, { newIsCap: true, capIsNew: false }],
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// Allow the continue statement
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// http://eslint.org/docs/rules/no-continue
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'no-continue': [0],
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// Disallow un-paren'd mixes of different operators if they're not of the same precendence
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// http://eslint.org/docs/rules/no-mixed-operators
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'no-mixed-operators': [
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2,
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{
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groups: [
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['+', '-', '*', '/', '%', '**'],
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['&', '|', '^', '~', '<<', '>>', '>>>'],
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['==', '!=', '===', '!==', '>', '>=', '<', '<='],
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['&&', '||'],
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['in', 'instanceof'],
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],
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allowSamePrecedence: true,
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},
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],
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// Allow use of unary increment/decrement operators
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// http://eslint.org/docs/rules/no-plusplus
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'no-plusplus': [0],
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// Always allow dangling underscores
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// http://eslint.org/docs/rules/no-underscore-dangle
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'no-underscore-dangle': [0],
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// Require unix-style line breaks
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// http://eslint.org/docs/rules/linebreak-style
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'linebreak-style': [2, 'unix'],
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// Require operators to always be at the end of a line, except for the ternary operator
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// http://eslint.org/docs/rules/operator-linebreak
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'operator-linebreak': [
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2,
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'after',
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{ overrides: { '?': 'ignore', ':': 'ignore' } },
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],
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// Require properties to be consistently quoted. Force numbers to be quoted, as they can have
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// weird behaviour during the coercion into a string)
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// http://eslint.org/docs/rules/quote-props
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'quote-props': [
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2,
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'consistent',
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{ keywords: false, unnecessary: true, numbers: true },
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],
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// Require spaces before parens for anonymous function declarations
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// http://eslint.org/docs/rules/space-before-function-paren
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'space-before-function-paren': [2, { anonymous: 'always', named: 'never' }],
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// Require a space immediately following the // or /* in a comment for most comments
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// http://eslint.org/docs/rules/spaced-comment
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'spaced-comment': [
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2,
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'always',
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{
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line: {
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exceptions: ['-', '+'],
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},
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block: {
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exceptions: ['*'],
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},
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},
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],
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// We don't like semicolons so kill them
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// http://eslint.org/docs/rules/semi
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'semi': [2, 'never'],
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/**
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* Import rules
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* https://github.com/benmosher/eslint-plugin-import#rules
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*/
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// Ensure named imports coupled with named exports
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// https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/named.md#when-not-to-use-it
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'import/named': 2,
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// Ensure default import coupled with default export
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// https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/default.md#when-not-to-use-it
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'import/default': 2,
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// Disallow namespace (wildcard) imports
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// https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/no-namespace.md
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'import/no-namespace': 2,
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// Enforce imports to not specify a trailing .js extension
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// https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/extensions.md
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'import/extensions': [2, { js: 'never' }],
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// Enforce module import order: builtin -> external -> internal
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// https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/order.md
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'import/order': [
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2,
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{
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groups: [
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'builtin',
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'external',
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['internal', 'parent', 'sibling', 'index'],
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],
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},
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],
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'import/no-extraneous-dependencies': ['error', { 'devDependencies': true }],
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/**
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* ES6-specific Issues
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* (http://eslint.org/docs/rules/#ecmascript-6)
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*/
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'arrow-body-style': [0],
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'arrow-parens': [0],
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'arrow-spacing': [0],
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'constructor-super': [0],
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'generator-star-spacing': [0],
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'no-class-assign': [0],
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'no-confusing-arrow': [0],
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'no-const-assign': [0],
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'no-dupe-class-members': [0],
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'no-duplicate-imports': [0],
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'no-new-symbol': [0],
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'no-restricted-imports': [0],
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'no-this-before-super': [0],
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'no-useless-computed-key': [0],
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'no-useless-constructor': [0],
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'no-useless-rename': [0],
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'no-var': [0],
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'object-shorthand': [0],
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'prefer-arrow-callback': [0],
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'prefer-const': [0],
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'prefer-reflect': [0],
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'prefer-rest-params': [0],
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'prefer-spread': [0],
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'prefer-template': [0],
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'require-yield': [0],
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'rest-spread-spacing': [0],
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'sort-imports': [0],
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'template-curly-spacing': [0],
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'yield-star-spacing': [0],
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},
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}
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