| 1 | const fs = require('fs');
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| 2 | const config = {
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| 3 | 'env': {
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| 4 | 'browser': true,
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| 5 | 'es6': true,
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| 6 | 'mocha': true,
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| 7 | 'node': true
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| 8 | },
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| 9 | 'parserOptions': {
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| 10 | "ecmaVersion": 2017,
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| 11 | 'sourceType': 'module'
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| 12 | },
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| 13 | 'rules': {
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| 14 | 'eqeqeq': 2,
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| 15 | 'guard-for-in': 2,
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| 16 | 'new-cap': 0,
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| 17 | 'no-caller': 2,
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| 18 | 'no-console': 2,
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| 19 | 'no-extend-native': 2,
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| 20 | 'no-irregular-whitespace': 2,
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| 21 | 'no-loop-func': 2,
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| 22 | 'no-multi-spaces': 2,
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| 23 | 'no-undef': 2,
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| 24 | 'no-underscore-dangle': 0,
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| 25 | 'no-unused-vars': 2,
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| 26 | 'no-var': 2,
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| 27 | 'one-var': [2, 'never'],
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| 28 | 'quotes': [2, 'single'],
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| 29 | 'semi': [1, 'always'],
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| 30 | 'space-before-function-paren': [2, 'always'],
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| 31 | 'wrap-iife': 2
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| 32 | },
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| 33 | 'globals': {
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| 34 | 'fetch': true,
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| 35 | 'requireText': true
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| 36 | },
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| 37 | 'plugins': [],
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| 38 | 'extends': []
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| 39 | };
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| 40 |
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| 41 | const packageJson = fs.existsSync('./package.json') && require('./package.json');
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| 42 |
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| 43 | if (
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| 44 | (packageJson && packageJson.dependencies && (packageJson.dependencies.react || packageJson.dependencies.preact)) ||
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| 45 | (packageJson && packageJson.devDependencies && (packageJson.devDependencies.react || packageJson.devDependencies.preact))
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| 46 | ) {
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| 47 | config.plugins.push('react');
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| 48 | config.extends.push('plugin:react/recommended');
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| 49 |
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| 50 | Object.assign(config.rules, {
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| 51 | 'react/display-name': 0,
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| 52 | 'react/prop-types': 0,
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| 53 | 'react/no-danger': 0,
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| 54 | 'react/no-render-return-value': 0
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| 55 | });
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| 56 | }
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| 57 |
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| 58 | if (packageJson && packageJson.eslintConfig) {
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| 59 | Object.assign(config.env, packageJson.eslintConfig.env);
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| 60 | Object.assign(config.parserOptions, packageJson.eslintConfig.parserOptions);
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| 61 | Object.assign(config.rules, packageJson.eslintConfig.rules);
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| 62 | Object.assign(config.globals, packageJson.eslintConfig.globals);
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| 63 | }
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| 64 |
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| 65 | module.exports = config;
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