eslint.config.js

/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2016 GeoMoose
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
module.exports = {
    parser : 'babel-eslint',
    parserOptions : {
    	emcaVersion: 6,
    	sourceType: 'module',
    	emcaFeatures: {
    		modules : true,
    		jsx: true
    	}
    },
    rules: {
    /*
    'prefer-const' : ['error', {
        destructuring: 'any',
        ignoreReadBeforeAssign: true
    }],
    */

	'prefer-spread' : 'error',

	'array-callback-return' : 'error',

	camelcase: 'off',

	curly: ['error', 'all'],

	'default-case' : ['error'],

	'dot-notation' : ['error'],

	eqeqeq : ['error', 'smart'],

	// ban the use of eval()
	'no-eval' : 'error',

	'no-implicit-globals' : 'off',

	'no-multi-str' : 'error',

	'no-return-assign' : 'error',

	'no-script-url' : 'error',

	'no-self-assign' : 'error',

	'no-self-compare' : 'error',

	'no-sequences' : 'error',

	'block-spacing' : ['error', 'always'],

	'comma-spacing' : ['error', {before: false, after: true}],

	'eol-last' : 'error',

	'func-call-spacing' : ['error', 'never'],

	// 4-spaces for indentation
	'indent' : ['error', 4, {SwitchCase: 1, VariableDeclarator: 1, outerIIFEBody: 1}],

	'key-spacing' : ['error', {beforeColon: false, afterColon: true}],

	'line-comment-position' : ['error', {position: 'above'}],

	//'linebreak-style' : ['error', 'unix'],

	'no-array-constructor': 'error',

	'no-inline-comments': 'off',

	'no-mixed-spaces-and-tabs': 'error',

	'no-tabs' : 'error',

	 'no-underscore-dangle': ['error', { allowAfterThis: false }],

	 'no-whitespace-before-property': 'error',

     'no-trailing-spaces': 'error',

	 'space-before-function-paren': ['error', { anonymous: 'never', named: 'never' }],

	 'space-infix-ops': 'error',

	 'spaced-comment' : ['error', 'always'],

    }
};