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Rollup failed to resolve import “element-plus/es/components” from “node_modules/element-plus/es/index.js”.

今天打包的时候出现了错误

Rollup failed to resolve import "element-plus/es/components" from "node_modules/element-plus/es/index.js".
This is most likely unintended because it can break your application at runtime.
If you do want to externalize this module explicitly add it to
`build.rollupOptions.external`

暂不知道出现的原因和原理

解决方法,在vite.config中添加build

build: {
    rollupOptions: {
      external: [
        "element-plus", 
      ],
    },
  },