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element-namespace-loader

v0.1.1

Published

A js loader to change element class prefix

Downloads

2

Readme

element-namespace-loader

A webpack loader to change element-ui className prefix 一个用来改变element-ui的组件渲染成HTML后的类名前缀的webpack loader 。即把element-ui专属的el-开头的类名改成你想要的命名空间

例如, 你设置的命名空间为ex-,那么<el-input></el-input>组件渲染成HTML后 改之前

<div class="el-input">
    <input type="text" class="qk-doc-el-input__inner">
</div>

改之后

<div class="ex-input">
    <input type="text" class="ex-input__inner">
</div>

Install

npm i element-namespace-loader -D

yarn add element-namespace-loader -D

pnpm add element-namespace-loader -D

Usage

对安装下来的element-ui源码包里的js进行使用该webpack loader。 目标就是设置webpack的rule如下:

{
    test: /\.js$/,
    loader: 'element-namespace-loader',
    include: path.resolve(__dirname, '../node_modules/element-ui/lib'),
    options: {
        replace: 'qk-doc-el-',
    }
}

具体设置情况举例:

针对vue-cli 2.x的项目 对webpack的module中的rules添加一个新的匹配规则,如下

module: {
    rules: [
        {
            test: /\.js$/,
            loader: 'element-namespace-loader',
            include: path.resolve(__dirname, '../node_modules/element-ui/lib'),
            options: {
                replace: 'ex-', // 这就是你要自定义命名空间
            }
        },
        // ... 其他规则
    ]
}

该脚手架工程默认webpack的配置在 build/webpack.base.conf.js

针对vue-cli 3.x(含)以上的项目 改动vue.config.js

module.exports = {
    chainWebpack: config => {
        config.module
            .rule('element-namespace')
            .test(/\.js$/)
            .include.add(path.resolve(__dirname, './node_modules/element-ui/lib'))
            .end()
            .use('element-namespace')
            .loader('element-namespace-loader')
            .options({
                replace: 'ex-' // 这就是你要自定义命名空间
            })
            .end()
   

注意

该loader只会改变element-ui组件渲染成HTML上的类名前缀,而element-ui自己的样式选择器的类名前缀,需要配合该 postcss-change-prefix-namespace 插件完成。