base.js

var OFF = 0;
var WARN = 1;
var ERROR = 2;

module.exports = {
    plugins: ['import'],
    rules: {
        quotes: [ERROR, 'single', {avoidEscape: true}],
        indent: [ERROR, 4, {SwitchCase: 1}],
        'quote-props': [ERROR, 'as-needed', {keywords: false}],
        'space-before-function-paren': [ERROR, 'never'],
        'max-len': [WARN, 100, 2, {ignoreUrls: true, ignoreTrailingComments: true}],
        'no-multiple-empty-lines': [ERROR, {max: 1}],
        'no-console': ERROR,
        'func-names': OFF,
        'no-param-reassign': OFF,
        'no-multi-spaces': OFF,
        'no-multi-str': OFF,
        'vars-on-top': OFF,
        'no-unused-vars': [WARN, {args: 'after-used'}],
        'no-use-before-define': [ERROR, {functions: false}],
        'comma-dangle': [ERROR, 'always-multiline'],
        'valid-jsdoc': [ERROR, {
            prefer: {
                arg: 'param', argument: 'param', class: 'constructor', return: 'returns',
                virtual: 'abstract',
            },
            preferType: {Boolean: 'boolean', Number: 'number', Object: 'object', String: 'string'},
            requireParamDescription: false,
            requireReturnDescription: false,
            requireReturn: false,
        }],
        'import/no-extraneous-dependencies': ERROR,
    },
};