npm run build打包失败

使用npm run build命令打包Angular项目时报错，错误信息如下：

WARNING in budgets, maximum exceeded for initial. Budget 2 MB was exceeded by 3.33 MB.

ERROR in budgets, maximum exceeded for initial. Budget 5 MB was exceeded by 340 kB.
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! [email protected] build: `npm run color-less && node --max_old_space_size=5048 ./node_modules/@angular/cli/bin/ng build --prod --build-optimizer`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the [email protected] build script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\zhang\AppData\Roaming\npm-cache\_logs\2020-05-09T02_27_47_586Z-debug.log

解决方法：
在angular.json文件中找到budgets数组字段，扩大maximumWarning和maximumError属性值。

"budgets": [
                {
                  "type": "initial",
                  "maximumWarning": "6mb",
                  "maximumError": "6mb"
                }
              ]

说明：
当应用的功能不断增长时，其文件大小也会同步增长。 CLI 允许你通过配置项来限制文件大小，以确保应用的各个部分都处于你定义的大小范围内。

你可以在 CLI 配置文件 angular.json 的 budgets 区段为每个所配置的环境定义这些大小范围。

{
  ...
  "configurations": {
    "production": {
      ...
      budgets: []
    }
  }
}

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