env.js 13.0 KB
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const fs = require('fs')
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const path = require('path')
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const mkdirp = require('mkdirp')
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const loaderUtils = require('loader-utils')
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process.UNI_CLOUD = false
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process.UNI_CLOUD_ALIYUN = false
process.env.UNI_CLOUD_PROVIDER = JSON.stringify({})
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if (process.env.UNI_CLOUD_SPACES) {
  try {
    const spaces = JSON.parse(process.env.UNI_CLOUD_SPACES)
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    if (Array.isArray(spaces)) {
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      process.UNI_CLOUD = spaces.length > 0
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      process.UNI_CLOUD_ALIYUN = !!spaces.find(space => space.clientSecret)
      if (spaces.length === 1) {
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        const space = spaces[0]
        console.warn(`当前所用的服务空间为:${space.name}`)
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        if (space.clientSecret) {
          process.env.UNI_CLOUD_PROVIDER = JSON.stringify({
            provider: 'aliyun',
            spaceName: space.name,
            spaceId: space.id,
            clientSecret: space.clientSecret,
            endpoint: space.apiEndpoint
          })
        } else {
          process.env.UNI_CLOUD_PROVIDER = JSON.stringify({
            provider: 'tencent',
            spaceName: space.name,
            spaceId: space.id
          })
        }
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      }
    }
  } catch (e) {}
}

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// h5 暂不支持阿里云服务空间
if (
  process.UNI_CLOUD_ALIYUN &&
  process.env.UNI_PLATFORM === 'h5' &&
  process.env.NODE_ENV === 'production'
) {
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  console.warn(`当前项目使用了基于阿里云的uniCloud,为解决浏览器跨域问题,必须由阿里云配置安全域名。目前还暂无自主申请界面,请发邮件到service@dcloud.io申请,提供你的appid和计划发布的域名。DCloud同时提供了m3w.cn的二级域名供申请,如:hellounicloud.m3w.cn`)
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}

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if (process.env.UNI_PLATFORM === 'mp-360') {
  process.env.UNI_PLATFORM = 'h5'
  process.env.UNI_SUB_PLATFORM = 'mp-360'
}

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// 初始化环境变量
const defaultInputDir = '../../../../src'
const defaultOutputDir = '../../../../dist/' +
  (process.env.NODE_ENV === 'production' ? 'build' : 'dev') + '/' +
  process.env.UNI_PLATFORM

if (process.env.UNI_INPUT_DIR && process.env.UNI_INPUT_DIR.indexOf('./') === 0) {
  process.env.UNI_INPUT_DIR = path.resolve(process.cwd(), process.env.UNI_INPUT_DIR)
}
if (process.env.UNI_OUTPUT_DIR && process.env.UNI_OUTPUT_DIR.indexOf('./') === 0) {
  process.env.UNI_OUTPUT_DIR = path.resolve(process.cwd(), process.env.UNI_OUTPUT_DIR)
}

process.env.UNI_PLATFORM = process.env.UNI_PLATFORM || 'h5'
process.env.VUE_APP_PLATFORM = process.env.UNI_PLATFORM
process.env.UNI_INPUT_DIR = process.env.UNI_INPUT_DIR || path.resolve(__dirname, defaultInputDir)
process.env.UNI_OUTPUT_DIR = process.env.UNI_OUTPUT_DIR || path.resolve(__dirname, defaultOutputDir)

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if (process.env.UNI_SUB_PLATFORM === 'mp-360') {
  const outputDir = process.env.UNI_OUTPUT_DIR
  process.env.UNI_OUTPUT_DIR = path.resolve(outputDir.substr(0, outputDir.lastIndexOf('h5')), 'mp-360/dist')
}

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if (process.env.UNI_PLATFORM === 'app-plus') {
  process.env.UNI_OUTPUT_TMP_DIR = path.resolve(process.env.UNI_OUTPUT_DIR, '../.tmp/app-plus')
}

process.env.UNI_CLI_CONTEXT = path.resolve(__dirname, '../../../../')

process.UNI_LIBRARIES = process.UNI_LIBRARIES || ['@dcloudio/uni-ui']

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if (process.env.NODE_ENV === 'production') { // 发行模式,不启用 cache
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  delete process.env.UNI_USING_CACHE
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}

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const {
  isSupportSubPackages,
  runByHBuilderX,
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  // isInHBuilderXAlpha,
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  getPagesJson,
  getManifestJson
} = require('@dcloudio/uni-cli-shared')

const pagesJsonObj = getPagesJson()
// 读取分包
process.UNI_SUBPACKAGES = {}
if (Array.isArray(pagesJsonObj.subPackages)) {
  pagesJsonObj.subPackages.forEach(subPackage => {
    if (subPackage && subPackage.root) {
      const {
        name,
        root,
        independent
      } = subPackage
      process.UNI_SUBPACKAGES[root] = {
        name,
        root,
        independent
      }
    }
  })
}

const manifestJsonObj = getManifestJson()
const platformOptions = manifestJsonObj[process.env.UNI_PLATFORM] || {}

if (manifestJsonObj.debug) {
  process.env.VUE_APP_DEBUG = true
}

process.UNI_STAT_CONFIG = {
  appid: manifestJsonObj.appid
}

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// 默认启用 自定义组件模式
// if (isInHBuilderXAlpha) {
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let usingComponentsAbsent = false
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if (!platformOptions.hasOwnProperty('usingComponents')) {
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  usingComponentsAbsent = true
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}
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platformOptions.usingComponents = true
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// }
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if (process.env.UNI_PLATFORM === 'h5') {
  const optimization = platformOptions.optimization
  if (optimization) {
    // 发行模式且主动启用优化
    const treeShaking = optimization.treeShaking
    if (
      treeShaking &&
      treeShaking.enable &&
      process.env.NODE_ENV === 'production'
    ) {
      process.env.UNI_OPT_TREESHAKINGNG = true
      process.UNI_USER_APIS = new Set()
      if (Array.isArray(treeShaking.modules) && treeShaking.modules.length) {
        const {
          parseUserApis
        } = require('@dcloudio/uni-cli-shared/lib/api')
        try {
          const modules = require('@dcloudio/uni-h5/lib/modules.json')
          process.UNI_USER_APIS = parseUserApis(treeShaking.modules || [], modules)
        } catch (e) {}
      }
    }
    if (optimization.prefetch) {
      process.env.UNI_OPT_PREFETCH = true
    }
    if (optimization.preload) {
      process.env.UNI_OPT_PRELOAD = true
    }
  }
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  const buffer = fs.readFileSync(require.resolve('@dcloudio/uni-h5/dist/index.css'))
  process.env.VUE_APP_INDEX_CSS_HASH = loaderUtils.getHashDigest(buffer, 'md5', 'hex', 8)
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}

if (process.env.UNI_PLATFORM === 'mp-qq') { // QQ小程序 强制自定义组件模式
  platformOptions.usingComponents = true
}

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let isNVueCompiler = true
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if (process.env.UNI_PLATFORM === 'app-plus') {
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  if (platformOptions.nvueCompiler === 'weex') {
    isNVueCompiler = false
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  }
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init v3  
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  if (platformOptions.renderer !== 'native' && // 非 native
    (
      platformOptions.compilerVersion === '3' ||
      platformOptions.compilerVersion === 3
    )
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  ) {
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    delete process.env.UNI_USING_CACHE
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    process.env.UNI_USING_V3 = true
    platformOptions.usingComponents = true
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    process.env.UNI_OUTPUT_TMP_DIR = ''
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    isNVueCompiler = true // v3 目前仅支持 uni-app 模式
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  }
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  if (platformOptions.renderer === 'native') {
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    // 纯原生目前不提供 cache
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    delete process.env.UNI_USING_CACHE
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    process.env.UNI_USING_NATIVE = true
    process.env.UNI_USING_V8 = true
    process.env.UNI_OUTPUT_TMP_DIR = ''
  }
} else { // 其他平台,待确认配置方案
  if (
    manifestJsonObj['app-plus'] &&
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    manifestJsonObj['app-plus']['nvueCompiler'] === 'weex'
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  ) {
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    isNVueCompiler = false
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  }
}

if (isNVueCompiler) {
  process.env.UNI_USING_NVUE_COMPILER = true
}

if (platformOptions.usingComponents === true) {
  if (process.env.UNI_PLATFORM !== 'h5') {
    process.env.UNI_USING_COMPONENTS = true
  }
  if (process.env.UNI_PLATFORM === 'app-plus') {
    process.env.UNI_USING_V8 = true
  }
}

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if (
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  process.env.UNI_USING_COMPONENTS ||
  process.env.UNI_PLATFORM === 'h5'
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) { // 自定义组件模式或 h5 平台
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  const uniStatistics = Object.assign(
    manifestJsonObj.uniStatistics || {},
    platformOptions.uniStatistics || {}
  )

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  if (uniStatistics.enable !== false) {
    process.env.UNI_USING_STAT = true
    if (!process.UNI_STAT_CONFIG.appid && process.env.NODE_ENV === 'production') {
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      console.log()
      console.warn(`当前应用未配置Appid,无法使用uni统计,详情参考:https://ask.dcloud.net.cn/article/36303`)
      console.log()
    }
  }
}

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if (process.env.UNI_USING_COMPONENTS) { // 是否启用分包优化
  if (platformOptions.optimization) {
    if (
      isSupportSubPackages() &&
      platformOptions.optimization.subPackages &&
      Object.keys(process.UNI_SUBPACKAGES).length
    ) {
      process.env.UNI_OPT_SUBPACKAGES = true
    }
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  }
}
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const warningMsg =
  usingComponentsAbsent
    ? `该应用之前可能是非自定义组件模式,目前以自定义组件模式运行。非自定义组件将于2019年11月1日起停止支持。详见:https://ask.dcloud.net.cn/article/36385`
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    : `uni-app将于2019年11月1日起停止支持非自定义组件模式 [详情](https://ask.dcloud.net.cn/article/36385)`
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const needWarning = !platformOptions.usingComponents || usingComponentsAbsent
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let hasNVue = false
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// 输出编译器版本等信息
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if (process.env.UNI_USING_NATIVE) {
  console.log('当前nvue编译模式:' + (isNVueCompiler ? 'uni-app' : 'weex') +
    ' 。编译模式差异见:https://ask.dcloud.net.cn/article/36074')
} else if (process.env.UNI_PLATFORM !== 'h5') {
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  try {
    let info = ''
    if (process.env.UNI_PLATFORM === 'app-plus') {
      const pagesPkg = require('@dcloudio/webpack-uni-pages-loader/package.json')
      if (pagesPkg) {
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        const v3Tips = `(v3)详见:https://ask.dcloud.net.cn/article/36599。`
        info = '编译器版本:' + pagesPkg['uni-app']['compilerVersion'] + (process.env.UNI_USING_V3 ? v3Tips : '')
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      }
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      if (process.env.UNI_USING_V3) {
        console.log(info)
      } else {
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        const glob = require('glob')
        hasNVue = !!glob.sync('pages/**/*.nvue', {
          cwd: process.env.UNI_INPUT_DIR
        }).length
        if (hasNVue) {
          console.log(info)
          if (needWarning) {
            console.log(warningMsg)
          }
          console.log('当前nvue编译模式:' + (isNVueCompiler ? 'uni-app' : 'weex') +
            ' 。编译模式差异见:https://ask.dcloud.net.cn/article/36074')
        } else {
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          console.log(info)
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          if (needWarning) {
            console.log(warningMsg)
          }
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        }
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      }
    } else {
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      if (needWarning) {
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        console.log(warningMsg)
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      }
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    }
  } catch (e) {}
}
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if (process.env.NODE_ENV !== 'production') { // 运行模式性能提示
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  let perfMsg = `请注意运行模式下,因日志输出、sourcemap以及未压缩源码等原因,性能和包体积,均不及发行模式。`
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  if (hasNVue) { // app-nvue
    perfMsg = perfMsg + `尤其是app-nvue的sourcemap影响较大`
  } else if (process.env.UNI_PLATFORM.indexOf('mp-') === 0) { // 小程序
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    perfMsg = perfMsg + `若要正式发布,请点击发行菜单或使用cli发布命令进行发布`
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  }
  console.log(perfMsg)
}
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const moduleAlias = require('module-alias')

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// 将 template-compiler 指向修订后的版本
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moduleAlias.addAlias('vue-template-compiler', '@dcloudio/vue-cli-plugin-uni/packages/vue-template-compiler')
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moduleAlias.addAlias('@megalo/template-compiler', '@dcloudio/vue-cli-plugin-uni/packages/@megalo/template-compiler')
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moduleAlias.addAlias('mpvue-template-compiler', '@dcloudio/vue-cli-plugin-uni/packages/mpvue-template-compiler')
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// vue-loader
moduleAlias.addAlias('vue-loader', '@dcloudio/vue-cli-plugin-uni/packages/vue-loader')
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if (process.env.UNI_USING_V3 && process.env.UNI_PLATFORM === 'app-plus') {
  moduleAlias.addAlias('vue-style-loader', '@dcloudio/vue-cli-plugin-uni/packages/app-vue-style-loader')
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}
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if (process.env.UNI_PLATFORM === 'h5') {
  moduleAlias.addAlias('vue-style-loader', '@dcloudio/vue-cli-plugin-uni/packages/h5-vue-style-loader')
}
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if (process.env.UNI_PLATFORM === 'mp-toutiao') {
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  // !important 始终带有一个空格
  moduleAlias.addAlias(
    'postcss-normalize-whitespace',
    '@dcloudio/vue-cli-plugin-uni/packages/postcss-normalize-whitespace'
  )
}

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if (runByHBuilderX) {
  const oldError = console.error
  console.error = function (msg) {
    if (typeof msg === 'string' && msg.includes(
      '[BABEL] Note: The code generator has deoptimised the styling of')) {
      const filePath = msg.replace('[BABEL] Note: The code generator has deoptimised the styling of ', '').split(
        ' as ')[0]
      console.log('[警告] `' + path.relative(process.env.UNI_INPUT_DIR, filePath) +
        '` 文件体积超过 500KB,已跳过压缩以及 ES6 转 ES5 的处理,手机端使用过大的js库影响性能。')
    } else {
      oldError.apply(console, arguments)
      // TODO 如果是首次运行遇到错误直接退出
    }
  }
}
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if (
  process.env.UNI_USING_CACHE &&
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  process.env.UNI_PLATFORM !== 'h5' &&
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  !process.env.UNI_USING_V3 &&
  !process.env.UNI_USING_NATIVE
) { // 使用 cache, 拷贝 cache 的 json
  const cacheJsonDir = path.resolve(
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    process.env.UNI_CLI_CONTEXT,
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    'node_modules/.cache/uni-pages-loader/' + process.env.UNI_PLATFORM
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  )
  if (!fs.existsSync(cacheJsonDir)) { //  创建 cache 目录
    mkdirp(cacheJsonDir)
  } else {
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    require('@dcloudio/uni-cli-shared/lib/cache').restore()
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  }
}

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const {
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  initAutoImportComponents,
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  initAutoImportScanComponents
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} = require('@dcloudio/uni-cli-shared/lib/pages')

process.UNI_AUTO_SCAN_COMPONENTS = !(pagesJsonObj.easycom && pagesJsonObj.easycom.autoscan === false)
initAutoImportComponents(pagesJsonObj.easycom)
if (process.UNI_AUTO_SCAN_COMPONENTS) {
  initAutoImportScanComponents()
}
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runByHBuilderX && console.log(`正在编译中...`)
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module.exports = {
  manifestPlatformOptions: platformOptions
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}