webpack打包报错:‘mode‘ option has not been set...

阳光穿透心脏的1/2处 2022-09-07 12:13 282阅读 0赞

问题:

初学者刚开始用webpack打包的时候可能会遇到这个报错:

WARNING in configuration
The ‘mode’ option has not been set, webpack will fallback to ‘production’ for this value.
Set ‘mode’ option to ‘development’ or ‘production’ to enable defaults for each environment.
You can also set it to ‘none’ to disable any default behavior。

解决办法:

1、首先在package.json中设置:

  1. scripts": {
  2. "dev": "webpack --mode development", // 开发环境
  3. "build": "webpack --mode production", // 生产环境
  4. }

2、然后在webpack.config.js中设置:

  1. module.exports = {
  2. mode: 'development' // 设置mode development为开发环境,production为生产环境
  3. }

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