一、elementUI按需引入报错。Error: Cannot find module 'babel-preset-es2015' from 'XXX'
根据elementUI官方文档,按需引入组件。
第一步:安装插件
npm install babel-plugin-component -D
第二步: 将 .babelrc 修改为:
{ "presets": [["es2015", { "modules": false }]], "plugins": [ [ "component", { "libraryName": "element-ui", "styleLibraryName": "theme-chalk" } ] ] }
但是报错了。 Error: Cannot find module 'babel-preset-es2015' from '/Users/kangxiaoxiao/Documents/workspace/demo'
解决办法如下:
1、安装插件 @babel/preset-env
npm i @babel/preset-env -D
2、将 .babelrc中的 es2015 改为 @babel/preset-env
{ "presets": [["@babel/preset-env", { "modules": false }]], "plugins": [ [ "component", { "libraryName": "element-ui", "styleLibraryName": "theme-chalk" } ] ] }
二、多组件引入样式
babel-plugin-component上的文档说明如下:
{ "plugins": [xxx, ["component", { libraryName: "antd", style: true, }, "antd"], ["component", { libraryName: "test-module", style: true, }, "test-module"] ] }
但是。。实在是写得太简单了,怎么引入都报错,经摸索,可以如下:
{ "presets": [["@babel/preset-env", { "modules": false }]], "plugins": [ [ "component", { "libraryName": "element-ui", "styleLibraryName": "theme-chalk" }, "element-ui" ], [ "component", { "libraryName": "mint-ui", "styleLibraryName": "theme-chalk", "style": true }, "mint-ui" ] ] }