vue-cli-service的参数配置过程

Usage: vue-cli-service serve [options]

Usage: vue-cli-service build [options] [entry|pattern]

Usage: vue-cli-service inspect [options] [...paths]

"scripts": {
    "serve": "vue-cli-service serve",
    "build": "vue-cli-service build",
    "lint": "vue-cli-service lint"
  },

const Service = require('../lib/Service')
const service = new Service(process.env.VUE_CLI_CONTEXT || process.cwd())

service.run(command, args, rawArgv).catch(err => {
  error(err)
  process.exit(1)
})

const defaults = {
  host: '0.0.0.0',
  port: 8080,
  https: false
}

const { defaults, validate } = require('./options')
options.js
export default {}

const builtInPlugins = [
      './commands/serve',
      './commands/build',
      './commands/inspect',
      './commands/help',
      // config plugins are order sensitive
      './config/base',
      './config/CSS',
      './config/prod',
      './config/app'
    ].map(idToPlugin)
    if (inlinePlugins) {
      plugins = useBuiltIn !== false
        ? builtInPlugins.concat(inlinePlugins)
        : inlinePlugins
    } else {
      const projectPlugins = Object.keys(this.pkg.devDependencies || {})
        .concat(Object.keys(this.pkg.dependencies || {}))
        .filter(isPlugin)
        .map(id => {
          if (
            this.pkg.optionalDependencies &&
            id in this.pkg.optionalDependencies
          ) {
            let apply = () => {}
            try {
              apply = require(id)
            } catch (e) {
              warn(`Optional dependency ${id} is not installed.`)
            }

            return { id, apply }
          } else {
            return idToPlugin(id)
          }
        })
      plugins = builtInPlugins.concat(projectPlugins)
    }

module.exports = (api, options) => {
  api.chainWebpack(webpackConfig => {
    if (process.env.NODE_ENV === 'production') {
 	 production 环境
      webpackConfig
        .mode('production')   //瞧这里设置了mode
        .devtool(options.productionSourceMap ? 'source-map' : false)
	
      // keep module.id stable when vendor modules does not change
      webpackConfig
        .plugin('hash-module-ids')
          .use(require('webpack/lib/HashedModuleIdsPlugin'), [{
            hashDigest: 'hex'
          }])

      // disable optimization during tests to speed things up
      if (process.env.VUE_CLI_TEST) {
        webpackConfig.optimization.minimize(false)
      }
    }
  })
}

webpackConfig
      .mode('development')
      .context(api.service.context)
      .entry('app')
        .add('./src/main.js')
        .end()
      .output
        .path(api.resolve(options.outputDir))
        .filename(isLegacyBundle ? '[name]-legacy.js' : '[name].js')
        .publicPath(options.publicPath)

alias
        .set('@', api.resolve('src'))
        .set(
          'vue$',
          options.runtimeCompiler
            ? 'vue/dist/vue.esm.js'
            : 'vue/dist/vue.runtime.esm.js'
        )