1 | 'use strict'
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2 |
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3 | const path = require('path')
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4 | const globby = require('globby')
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5 | const { CLIEngine } = require('eslint')
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6 | const userConfig = require('./config/user')
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7 | const formatter = CLIEngine.getFormatter()
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8 |
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9 | const FILES = [
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10 | '*.{js,ts}',
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11 | 'bin/**',
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12 | 'config/**/*.{js,ts}',
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13 | 'test/**/*.{js,ts}',
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14 | 'src/**/*.{js,ts}',
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15 | 'tasks/**/*.{js,ts}',
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16 | 'benchmarks/**/*.{js,ts}',
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17 | 'utils/**/*.{js,ts}',
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18 | '!**/node_modules/**',
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19 | '!**/*.d.ts'
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20 | ]
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21 |
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22 | function checkDependencyVersions () {
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23 | const checkVersions = (type, pkg, key) => {
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24 | const badVersions = []
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25 |
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26 | if (pkg[key]) {
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27 | Object.keys(pkg[key]).forEach(name => {
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28 | const version = pkg[key][name]
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29 |
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30 | if (/^(?!~)([<>=^]{1,2})0\.0/.test(version)) {
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31 | badVersions.push({
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32 | type,
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33 | name,
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34 | version,
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35 | message: 'early versions (e.g. < 0.1.0) should start with a ~ or have no range'
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36 | })
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37 | }
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38 |
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39 | if (/^(?![~^])([<>=]{1,2})0/.test(version)) {
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40 | badVersions.push({
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41 | type,
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42 | name,
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43 | version,
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44 | message: 'development versions (e.g. < 1.0.0) should start with a ^ or ~'
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45 | })
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46 | }
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47 |
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48 | if (/^(?!\^)([<>=~]{1,2})[1-9]/.test(version)) {
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49 | badVersions.push({
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50 | type,
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51 | name,
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52 | version,
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53 | message: 'stable versions (e.g. >= 1.0.0) should start with a ^'
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54 | })
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55 | }
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56 | })
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57 | }
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58 |
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59 | return badVersions
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60 | }
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61 |
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62 | return new Promise((resolve, reject) => {
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63 | const pkg = require(path.join(process.cwd(), 'package.json'))
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64 | const badVersions = []
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65 | .concat(checkVersions('Dependency', pkg, 'dependencies'))
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66 | .concat(checkVersions('Dev dependency', pkg, 'devDependencies'))
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67 | .concat(checkVersions('Optional dependency', pkg, 'optionalDependencies'))
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68 | .concat(checkVersions('Peer dependency', pkg, 'peerDependencies'))
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69 | .concat(checkVersions('Bundled dependency', pkg, 'bundledDependencies'))
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70 |
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71 | if (badVersions.length) {
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72 | badVersions.forEach(({ type, name, version, message }) => {
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73 | console.log(`${type} ${name} had version ${version} - ${message}`)
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74 | })
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75 |
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76 | return reject(new Error('Dependency version errors'))
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77 | }
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78 |
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79 | resolve()
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80 | })
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81 | }
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82 |
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83 | function runLinter (opts = {}) {
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84 | const cli = new CLIEngine({
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85 | useEslintrc: true,
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86 | baseConfig: opts.ts ? require('./config/eslintrc-ts.js') : require('./config/eslintrc.js'),
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87 | fix: opts.fix
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88 | })
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89 |
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90 | const config = userConfig()
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91 | const patterns = (config.lint && config.lint.files) || FILES
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92 | return globby(patterns)
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93 | .then(files => {
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94 | const report = cli.executeOnFiles(files)
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95 | if (opts.fix) {
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96 | CLIEngine.outputFixes(report)
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97 | }
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98 | if (!opts.silent) {
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99 | console.log(formatter(report.results))
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100 | }
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101 |
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102 | if (report.errorCount > 0) {
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103 | throw new Error('Lint errors')
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104 | }
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105 | return report
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106 | })
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107 | }
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108 |
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109 | function lint (opts) {
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110 | return Promise.all([
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111 | runLinter(opts),
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112 | checkDependencyVersions(opts)
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113 | ])
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114 | }
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115 |
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116 | module.exports = lint
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