1 | const path = require('path')
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2 | const fs = require('fs-extra')
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3 | const chalk = require('chalk')
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4 | const downloadGitRepo = require('download-git-repo')
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5 | const resolveFrom = require('resolve-from')
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6 | const loadConfig = require('./loadConfig')
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7 | const paths = require('./paths')
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8 | const spinner = require('./spinner')
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9 | const BaseGeneratorContext = require('./GeneratorContext')
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10 | const installPackages = require('./installPackages')
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11 | const logger = require('./logger')
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12 | const isLocalPath = require('./utils/isLocalPath')
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13 | const SAOError = require('./SAOError')
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14 | const parseGenerator = require('./parseGenerator')
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15 | const updateCheck = require('./updateCheck')
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16 | const store = require('./store')
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17 |
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18 | class SAO {
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19 | |
20 |
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21 |
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22 |
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23 | constructor(opts) {
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24 | this.opts = Object.assign({}, opts)
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25 | this.opts.outDir = path.resolve(this.opts.outDir)
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26 | this.opts.npmClient = installPackages.setNpmClient(this.opts.npmClient)
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27 | this.logger = logger
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28 | logger.setOptions({
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29 | logLevel:
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30 | typeof this.opts.logLevel === 'number'
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31 | ? this.opts.logLevel
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32 | : this.opts.debug
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33 | ? 4
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34 | : this.opts.quiet
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35 | ? 1
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36 | : 3
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37 | })
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38 |
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39 | this.parsedGenerator = parseGenerator(this.opts.generator)
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40 |
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41 | if (this.parsedGenerator.subGenerator) {
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42 | logger.debug(
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43 | `Setting out directory to process.cwd() since it's a sub generator`
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44 | )
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45 | this.opts.outDir = process.cwd()
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46 | }
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47 | }
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48 |
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49 | |
50 |
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51 |
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52 | async run(generator, parent) {
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53 | generator = generator || this.parsedGenerator
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54 |
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55 | if (generator.type === 'repo') {
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56 | await ensureRepo(generator, this.opts.update)
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57 | } else if (generator.type === 'npm') {
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58 | await ensurePackage(generator, this.opts.update)
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59 | } else if (generator.type === 'local') {
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60 | await ensureLocal(generator)
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61 | }
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62 |
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63 | const loaded = await loadConfig(generator.path)
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64 | const config = loaded.path
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65 | ? loaded.data
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66 | : require(path.join(__dirname, 'saofile.fallback.js'))
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67 |
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68 |
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69 | if (!parent) {
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70 | if (this.opts.updateCheck) {
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71 | updateCheck({
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72 | generator,
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73 | checkGenerator:
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74 | config.updateCheck !== false && generator.type === 'npm'
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75 | })
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76 | }
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77 | }
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78 |
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79 |
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80 | if (this.opts.update && generator.hash) {
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81 | store.delete(`answers.${generator.hash}`)
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82 | }
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83 |
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84 | if (generator.subGenerator) {
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85 | const subGenerator =
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86 | config.generators &&
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87 | config.generators.find(g => g.name === generator.subGenerator)
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88 | if (subGenerator) {
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89 | const generatorPath = isLocalPath(subGenerator.from)
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90 | ? path.resolve(generator.path, subGenerator.from)
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91 | : resolveFrom(generator.path, subGenerator.from)
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92 | return this.run(parseGenerator(generatorPath), generator)
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93 | }
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94 | throw new SAOError(`No such sub generator in generator ${generator.path}`)
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95 | }
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96 |
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97 | await this.runGenerator(generator, config)
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98 | }
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99 |
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100 | async runGenerator(generator, config) {
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101 | if (config.description) {
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102 | logger.status('green', 'Generator', config.description)
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103 | }
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104 |
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105 | const GeneratorContext = this.opts.getContext
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106 | ? this.opts.getContext(BaseGeneratorContext)
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107 | : BaseGeneratorContext
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108 | const generatorContext = new GeneratorContext(this, generator)
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109 | this.generatorContext = generatorContext
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110 |
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111 | if (typeof config.prepare === 'function') {
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112 | await config.prepare.call(generatorContext, generatorContext)
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113 | }
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114 |
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115 | if (config.prompts) {
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116 | await require('./runPrompts')(config, generatorContext)
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117 | }
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118 |
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119 | if (config.actions) {
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120 | await require('./runActions')(config, generatorContext)
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121 | }
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122 |
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123 | if (!this.opts.mock && config.completed) {
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124 | await config.completed.call(generatorContext, generatorContext)
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125 | }
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126 | }
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127 | }
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128 |
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129 |
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130 |
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131 |
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132 |
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133 | module.exports = opts => new SAO(opts)
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134 |
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135 | module.exports.mock = require('./mock')
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136 |
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137 | module.exports.handleError = require('./handleError')
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138 |
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139 |
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140 |
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141 |
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142 |
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143 |
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144 |
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145 | function downloadRepo(repo, target, opts) {
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146 | return fs.remove(target).then(
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147 | () =>
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148 | new Promise((resolve, reject) => {
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149 | downloadGitRepo(repo, target, opts, err => {
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150 | if (err) return reject(err)
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151 | resolve()
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152 | })
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153 | })
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154 | )
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155 | }
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156 |
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157 |
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158 |
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159 |
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160 |
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161 |
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162 |
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163 | async function ensureRepo(generator, update) {
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164 | if (!update && (await fs.pathExists(generator.path))) {
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165 | return
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166 | }
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167 |
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168 |
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169 | spinner.start('Downloading repo')
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170 | try {
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171 | await downloadRepo(generator.slug, generator.path)
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172 | spinner.stop()
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173 | logger.success('Downloaded repo')
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174 | } catch (err) {
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175 | let message = err.message
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176 | if (err.host && err.path) {
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177 | message += '\n' + err.host + err.path
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178 | }
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179 | throw new SAOError(message)
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180 | }
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181 |
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182 | const [hasConfig, hasPackageJson] = await Promise.all([
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183 | loadConfig.hasConfig(generator.path),
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184 | fs.pathExists(path.join(generator.path, 'package.json'))
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185 | ])
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186 |
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187 | if (hasConfig && hasPackageJson) {
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188 | await installPackages({
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189 | cwd: generator.path,
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190 | installArgs: ['--production']
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191 | })
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192 | }
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193 | }
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194 |
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195 | async function ensureLocal(generator) {
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196 | const exists = await fs.pathExists(generator.path)
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197 |
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198 | if (!exists) {
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199 | throw new SAOError(
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200 | `Directory ${chalk.underline(generator.path)} does not exist`
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201 | )
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202 | }
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203 | }
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204 |
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205 | async function ensurePackage(generator, update) {
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206 | const installPath = path.join(paths.packagePath, generator.hash)
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207 |
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208 | if (update || !(await fs.pathExists(generator.path))) {
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209 | await fs.ensureDir(installPath)
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210 | await fs.writeFile(
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211 | path.join(installPath, 'package.json'),
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212 | JSON.stringify({
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213 | private: true
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214 | }),
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215 | 'utf8'
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216 | )
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217 | logger.debug('Installing generator at', installPath)
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218 | await installPackages({
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219 | cwd: installPath,
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220 | packages: [`${generator.name}@${generator.version || 'latest'}`]
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221 | })
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222 | }
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223 | }
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