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node_modules/vue/src/server/webpack-plugin/util.js 987 Bytes
2a09d1a4   liuqimichale   添加宜春 天水 宣化
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  const { red, yellow } = require('chalk')
  
  const prefix = `[vue-server-renderer-webpack-plugin]`
  const warn = exports.warn = msg => console.error(red(`${prefix} ${msg}\n`))
  const tip = exports.tip = msg => console.log(yellow(`${prefix} ${msg}\n`))
  
  export const validate = compiler => {
    if (compiler.options.target !== 'node') {
      warn('webpack config `target` should be "node".')
    }
  
    if (compiler.options.output && compiler.options.output.libraryTarget !== 'commonjs2') {
      warn('webpack config `output.libraryTarget` should be "commonjs2".')
    }
  
    if (!compiler.options.externals) {
      tip(
        'It is recommended to externalize dependencies in the server build for ' +
        'better build performance.'
      )
    }
  }
  
  export const onEmit = (compiler, name, hook) => {
    if (compiler.hooks) {
      // Webpack >= 4.0.0
      compiler.hooks.emit.tapAsync(name, hook)
    } else {
      // Webpack < 4.0.0
      compiler.plugin('emit', hook)
    }
  }
  
  export { isJS, isCSS } from '../util'