react-smooth-slider/.eslintrc.js

// dependencies
var path = require('path');

module.exports = {
    "extends": "react-app",
    "parser": "babel-eslint",
    "env": {
        "browser": true,
        "es6": true
    },
    "plugins": [
        "react",
        "import"
    ],
    parserOptions: {
        ecmaFeatures: {
            jsx: true,
        },
    },

// View link below for react rules documentation
// https://github.com/yannickcr/eslint-plugin-react#list-of-supported-rules
    rules: {
        'consistent-return': 'off',
        'indent': ['error', 2],
        'arrow-parens': 'off',
        // Specify whether double or single quotes should be used in JSX attributes
        // http://eslint.org/docs/rules/jsx-quotes
        'jsx-quotes': ['error', 'prefer-double'],
        'import/no-named-default': 'off',
        'import/no-extraneous-dependencies': 'off',
        'class-methods-use-this': ['error', {
            exceptMethods: [
                'render',
                'getInitialState',
                'getDefaultProps',
                'getChildContext',
                'componentWillMount',
                'componentDidMount',
                'componentWillReceiveProps',
                'shouldComponentUpdate',
                'componentWillUpdate',
                'componentDidUpdate',
                'componentWillUnmount',
            ],
        }],
        // Prevent missing displayName in a React component definition
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/display-name.md
        'react/display-name': ['off', { ignoreTranspilerName: false }],

        // Forbid certain propTypes (any, array, object)
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/forbid-prop-types.md
        'react/forbid-prop-types': ['warn', { forbid: ['any', 'array', 'object'] }],

        // Enforce boolean attributes notation in JSX
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-boolean-value.md
        'react/jsx-boolean-value': ['error', 'never'],

        // Validate closing bracket location in JSX
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-closing-bracket-location.md
        'react/jsx-closing-bracket-location': ['error', 'line-aligned'],

        // Enforce or disallow spaces inside of curly braces in JSX attributes
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-curly-spacing.md
        'react/jsx-curly-spacing': ['error', 'never', { allowMultiline: true }],

        // Enforce event handler naming conventions in JSX
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-handler-names.md
        'react/jsx-handler-names': ['off', {
            eventHandlerPrefix: 'handle',
            eventHandlerPropPrefix: 'on',
        }],

        // Validate JSX has key prop when in array or iterator
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-key.md
        'react/jsx-key': 'off',

        // Limit maximum of props on a single line in JSX
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-max-props-per-line.md
        'react/jsx-max-props-per-line': ['off', { maximum: 1 }],

        // Prevent usage of .bind() in JSX props
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-no-bind.md
        'react/jsx-no-bind': ['error', {
            ignoreRefs: true,
            allowArrowFunctions: true,
            allowBind: false,
        }],

        // Prevent duplicate props in JSX
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-no-duplicate-props.md
        'react/jsx-no-duplicate-props': ['error', { ignoreCase: true }],

        // Prevent usage of unwrapped JSX strings
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-no-literals.md
        'react/jsx-no-literals': 'off',

        // Disallow undeclared variables in JSX
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-no-undef.md
        'react/jsx-no-undef': 'error',

        // Enforce PascalCase for user-defined JSX components
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-pascal-case.md
        'react/jsx-pascal-case': ['error', {
            allowAllCaps: true,
            ignore: [],
        }],

        // Enforce propTypes declarations alphabetical sorting
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/sort-prop-types.md
        'react/sort-prop-types': ['off', {
            ignoreCase: true,
            callbacksLast: false,
            requiredFirst: false,
        }],

        // Deprecated in favor of react/jsx-sort-props
        'react/jsx-sort-prop-types': 'off',

        // Enforce props alphabetical sorting
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-sort-props.md
        'react/jsx-sort-props': ['off', {
            ignoreCase: true,
            callbacksLast: false,
            shorthandFirst: false,
            shorthandLast: false,
        }],

        // Prevent React to be incorrectly marked as unused
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-uses-react.md
        'react/jsx-uses-react': ['error'],

        // Prevent variables used in JSX to be incorrectly marked as unused
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-uses-vars.md
        'react/jsx-uses-vars': 'error',

        // Prevent usage of dangerous JSX properties
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/no-danger.md
        'react/no-danger': 'warn',

        // Prevent usage of deprecated methods
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/no-deprecated.md
        'react/no-deprecated': ['error'],

        // Prevent usage of setState in componentDidMount
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/no-did-mount-set-state.md
        'react/no-did-mount-set-state': ['error'],

        // Prevent usage of setState in componentDidUpdate
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/no-did-update-set-state.md
        'react/no-did-update-set-state': ['error'],

        // Prevent direct mutation of this.state
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/no-direct-mutation-state.md
        'react/no-direct-mutation-state': 'off',

        // Prevent usage of isMounted
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/no-is-mounted.md
        'react/no-is-mounted': 'error',

        // Prevent multiple component definition per file
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/no-multi-comp.md
        'react/no-multi-comp': ['error', { ignoreStateless: true }],

        // Prevent usage of setState
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/no-set-state.md
        'react/no-set-state': 'off',

        // Prevent using string references
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/no-string-refs.md
        'react/no-string-refs': 'error',

        // Prevent usage of unknown DOM property
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/no-unknown-property.md
        'react/no-unknown-property': 'error',

        // Require ES6 class declarations over React.createClass
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/prefer-es6-class.md
        'react/prefer-es6-class': ['error', 'always'],

        // Require stateless functions when not using lifecycle methods, setState or ref
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/prefer-stateless-function.md
        'react/prefer-stateless-function': 'error',

        // Prevent missing props validation in a React component definition
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/prop-types.md
        'react/prop-types': ['warn', { ignore: [], customValidators: [] }],

        // Prevent missing React when using JSX
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/react-in-jsx-scope.md
        'react/react-in-jsx-scope': 'error',

        // Restrict file extensions that may be required
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/require-extension.md
        // deprecated in favor of import/extensions
        'react/require-extension': ['off', { extensions: ['.jsx', '.js'] }],

        // Require render() methods to return something
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/require-render-return.md
        'react/require-render-return': 'error',

        // Prevent extra closing tags for components without children
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/self-closing-comp.md
        'react/self-closing-comp': 'error',

        // Enforce spaces before the closing bracket of self-closing JSX elements
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-space-before-closing.md
        'react/jsx-space-before-closing': ['error', 'always'],

        // Enforce component methods order
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/sort-comp.md
        'react/sort-comp': ['error', {
            order: [
                'static-methods',
                'lifecycle',
                '/^on.+$/',
                '/^(get|set)(?!(InitialState$|DefaultProps$|ChildContext$)).+$/',
                'everything-else',
                '/^render.+$/',
                'render'
            ],
        }],

        // Prevent missing parentheses around multilines JSX
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-wrap-multilines.md
        'react/jsx-wrap-multilines': ['error', {
            declaration: true,
            assignment: true,
            return: true
        }],
        'react/wrap-multilines': 'off', // deprecated version

        // Require that the first prop in a JSX element be on a new line when the element is multiline
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-first-prop-new-line.md
        'react/jsx-first-prop-new-line': ['error', 'multiline'],

        // Enforce spacing around jsx equals signs
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-equals-spacing.md
        'react/jsx-equals-spacing': ['error', 'never'],

        // Disallow target="_blank" on links
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-no-target-blank.md
        'react/jsx-no-target-blank': 'error',

        // only .jsx files may have JSX
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-filename-extension.md
        // 'react/jsx-filename-extension': ['error', { extensions: ['.jsx'] }],

        // prevent accidental JS comments from being injected into JSX as text
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-no-comment-textnodes.md
        'react/jsx-no-comment-textnodes': 'error',
        'react/no-comment-textnodes': 'off', // deprecated version

        // disallow using React.render/ReactDOM.render's return value
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/no-render-return-value.md
        'react/no-render-return-value': 'error',

        // require a shouldComponentUpdate method, or PureRenderMixin
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/require-optimization.md
        'react/require-optimization': ['off', { allowDecorators: [] }],

        // warn against using findDOMNode()
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/no-find-dom-node.md
        'react/no-find-dom-node': 'error',

        // Forbid certain props on Components
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/forbid-component-props.md
        'react/forbid-component-props': ['off', { forbid: [] }],

        // Prevent problem with children and props.dangerouslySetInnerHTML
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/no-danger-with-children.md
        'react/no-danger-with-children': 'error',

        // Prevent unused propType definitions
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/no-unused-prop-types.md
        'react/no-unused-prop-types': ['warn', {
            customValidators: [],
            skipShapeProps: false,
        }],

        // Require style prop value be an object or var
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/style-prop-object.md
        'react/style-prop-object': 'error',

        // Prevent invalid characters from appearing in markup
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/no-unescaped-entities.md
        'react/no-unescaped-entities': 'error',

        // Prevent passing of children as props
        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/no-children-prop.md
        'react/no-children-prop': 'error'
    },
}