index.js

module.exports = {
	parser: require.resolve('babel-eslint'),
	extends: [
		'eslint:recommended',
		'plugin:jest/recommended'
	],
	plugins: [
		'compat',
		'react',
		'jest',
		'mocha'
	],
	env: {
		browser: true,
		es6: true,
		mocha: true,
		'jest/globals': true,
		node: true
	},
	parserOptions: {
		ecmaVersion: 7,
		sourceType: 'module',
		ecmaFeatures: {
			modules: true,
			impliedStrict: true,
			experimentalObjectRestSpread: true,
			experimentalDecorators: true,
			jsx: true
		}
	},
	globals: {
		sinon: true,
		expect: true,
		browser: true,
		global: true
	},
	settings: {
		targets: ['last 2 versions'],
		polyfills: ['fetch', 'Promise'],
		react: {
			version: 'latest'
		}
	},
	rules: {
		// react-related rules
		'react/jsx-boolean-value': [2, 'never'],
		'react/jsx-closing-bracket-location': 2,
		'react/jsx-curly-spacing': 2,
		'react/display-name': [1, { ignoreTranspilerName: false }],
		'react/jsx-equals-spacing': 2,
		'react/jsx-indent-props': [2, 'tab'],
		'react/jsx-max-props-per-line': [2, { maximum: 6 }],
		'react/jsx-no-bind': [1, { ignoreRefs: true }],
		'react/jsx-no-comment-textnodes': 2,
		'react/jsx-no-duplicate-props': 2,
		'react/jsx-no-target-blank': 2,
		'react/jsx-no-undef': 2,
		'react/jsx-pascal-case': 2,
		'react/jsx-tag-spacing': [2, { beforeSelfClosing: 'always' }],
		'react/jsx-uses-react': 2,
		'react/jsx-uses-vars': 2,
		'react/jsx-wrap-multilines': 2,
		'react/no-danger': 2,
		'react/no-did-mount-set-state': 2,
		'react/no-did-update-set-state': 2,
		'react/no-find-dom-node': 2,
		'react/no-is-mounted': 2,
		'react/no-string-refs': 0,
		'react/prefer-es6-class': 2,
		'react/prefer-stateless-function': 1,
		'react/require-render-return': 2,
		'react/self-closing-comp': 2,
		'react/sort-comp': [1, {
			order: [
				'properties',
				'static-methods',
				'everything-else',
				'lifecycle',
				'rendering'
			],
			groups: {
				properties: [
					'state'
				],
				rendering: [
					'/^render.+$/',
					'render'
				]
			}

		}],

		// stylistic rules
		'arrow-body-style': [2, 'as-needed'],
		'arrow-parens': [0, 'always'],
		'arrow-spacing': 2,
		'brace-style': [2, 'stroustrup', { allowSingleLine: true }],
		camelcase: [1, { properties: 'never' }],
		'comma-dangle': [2, 'never'],
		'comma-style': [2, 'last'],
		'constructor-super': 2,
		curly: [0, 'multi-line'],
		'dot-notation': [2, { allowPattern: '^[a-z]+(_[a-z]+)+$' }],
		eqeqeq: 0,
		'func-style': [2, 'declaration', { allowArrowFunctions: true }],
		'guard-for-in': 0,
		'handle-callback-err': 0,
		indent: [2, 'tab', { SwitchCase: 1 }],
		'jsx-quotes': [2, 'prefer-double'],
		'key-spacing': 2,
		'keyword-spacing': 2,
		'lines-around-comment': 1,
		'new-cap': 1,
		'new-parens': 2,
		'no-alert': 1,
		'no-array-constructor': 2,
		'no-caller': 2,
		'no-cond-assign': 1,
		'no-console': [1, { allow: ['warn', 'error'] }],
		'no-const-assign': 2,
		'no-delete-var': 2,
		'no-dupe-class-members': 2,
		'no-dupe-keys': 2,
		'no-duplicate-imports': 2,
		'no-else-return': 2,
		'no-empty-pattern': 0,
		'no-empty': 0,
		'no-extra-parens': 0,
		'no-iterator': 2,
		'no-lonely-if': 2,
		'no-mixed-spaces-and-tabs': [2, 'smart-tabs'],
		'no-multi-str': 2,
		'no-multiple-empty-lines': [2, { max: 2 }],
		'no-new-wrappers': 2,
		'no-proto': 2,
		'no-redeclare': 2,
		'no-shadow-restricted-names': 2,
		'no-shadow': 0,
		'no-spaced-func': 2,
		'no-this-before-super': 2,
		'no-trailing-spaces': [2, { skipBlankLines: true }],
		'no-undef-init': 2,
		'no-unneeded-ternary': 2,
		'no-unused-vars': [2, { args: 'none', varsIgnorePattern: '^h$' }],
		'no-useless-call': 2,
		'no-useless-computed-key': 2,
		'no-useless-concat': 2,
		'no-useless-constructor': 2,
		'no-useless-escape': 2,
		'no-useless-rename': 2,
		'no-var': 2,
		'no-with': 2,
		'object-curly-spacing': [2, 'always'],
		'object-shorthand': 2,
		'prefer-arrow-callback': 2,
		'prefer-rest-params': 1,
		'prefer-spread': 1,
		'prefer-template': 0,
		'quote-props': [2, 'as-needed'],
		quotes: [2, 'single', { avoidEscape: true, allowTemplateLiterals: true }],
		radix: 2,
		'rest-spread-spacing': 2,
		semi: 2,
		'space-before-function-paren': [0, 'always'],
		'space-in-parens': [0, 'never'],
		strict: [2, 'never'],
		'unicode-bom': 2,
		'valid-jsdoc': [0, { requireReturn: false }]
	}
};