umi-module-rules-log.mjs

import { existsSync } from 'fs'
import { inspect } from 'util'
import { Service } from '@umijs/core'


const isDev = process.env.NODE_ENV === 'development'


const umiService = new Service({
  cwd: process.cwd(),
  presets: ['@umijs/preset-built-in'],
})

let isUmiInit = false
if (!existsSync(`src/${isDev ? '.umi' : '.umi-production'}/umi.ts`)) {
  /**
   * 当没有 .umi 文件时，调用 umi generateFiles 生成所有 umi 需要的临时文件
   * https://github.com/umijs/umi/blob/v3.5.10/packages/preset-built-in/src/plugins/commands/generate/generate.ts
   */
  await umiService.run({
    name: 'generate',
    args: {
      _: ['tmp'],
    },
  })
  isUmiInit = true
}

/**
 * 获取 umi 读取各种配置后生成的 webpack config
 * https://github.com/umijs/umi/blob/v3.5.10/packages/preset-built-in/src/plugins/commands/webpack/webpack.ts
 */
const umiWebpackConfig = await umiService[isUmiInit ? 'runCommand' : 'run']({
  name: 'webpack',
  args: {
    print: false,
  },
})

console.info(
  'umiWebpackConfig.module.rules ==>',
  inspect(
    umiWebpackConfig.module.rules.map(({ test, use, include, exclude, loader }) => {
      const simple = { test }
      if (include) simple.include = include
      if (exclude) simple.exclude = exclude
      if (loader) simple.loader = loader
      if (use?.length) {
        simple.use = use.map(use => {
          if (typeof use.loader === 'string') return use.loader
          else return use
        })
      }

      return simple
    }),
    { colors: true, compact: false, depth: null },
  ),
)

process.exit(0)