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小程序基础库: 2.30.3
使用框架: React

复现步骤

1. 添加外部依赖文件，提取外部依赖文件单独打包
2. 在app.js 引用该文件，地址为项目中文件对应地址

chain.merge({
      optimization: {
        splitChunks: {
          cacheGroups: {
            timWx: {
              test: /\/src\/utils\/abc\.js$/,
              name: "abc",
              chunks: "all",
              enforce: true,
            },
          },
        },
      }
})

期望结果

无相关报错

实际结果

app.js报错Cannot read property 'mount' of null

环境信息

Taro CLI 3.6.5 environment info:
    System:
      OS: macOS 13.0.1
      Shell: 5.8.1 - /bin/zsh
    Binaries:
      Node: 14.21.1 - ~/.nvm/versions/node/v14.21.1/bin/node
      npm: 6.14.17 - ~/.nvm/versions/node/v14.21.1/bin/npm
    npmPackages:
      @tarojs/cli: 3.5.12 => 3.5.12 
      @tarojs/components: 3.5.12 => 3.5.12 
      @tarojs/plugin-framework-react: 3.5.12 => 3.5.12 
      @tarojs/react: 3.5.12 => 3.5.12 
      @tarojs/runtime: 3.5.12 => 3.5.12 
      @tarojs/taro: 3.5.12 => 3.5.12 
      @tarojs/webpack5-runner: 3.5.12 => 3.5.12 
      babel-preset-taro: 3.5.12 => 3.5.12 
      eslint-config-taro: 3.5.12 => 3.5.12 
      react: ^16.10.0 => 16.14.0