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react-cssmodule-loader

v1.1.1

Published

简化css模块在react中应用

Downloads

14

Readme

react-cssmodule-loader

该程序的运作方式依赖于css的模块化功能,且文件的后缀名必须是xxx.module.lessxxx.module.sassxxx.module.css中的一个。

功能:

以往要做css的模块化,需要满足两个条件:

  • 在import阶段,需要显式的指定一个导出名称:import styles from 'index.module.less'
  • 无法直接在className中指定对应的css名称,需要调用:<div className={style.youCss}></div>

这很繁琐!使用本loader可自动帮你完成这些步骤,你可仍然按照以前的习惯编码!

具备以下特点:

  • 可以完美兼容现有代码逻辑
  • 如果要添加css模块支持,仅需更改文件名(为'module.xxx')

使用:

安装:npm i react-cssmodule-loader

webpack配置:

...
{
    test: /\.js(x)?$/,
    use: [
             {
                 loader: 'babel-loader',
             },
             {
                 // 注意:该插件必须在最后一个
                 loader: 'react-cssmodule-loader'
             }
    ]
}

...
{
    test: /\.module.(less|css|sass)$/,
    loader: [
        ...
        {
            loader: 'css-loader', 
            options: {
                // 注意:module.xxx下务必打开模块化功能 
                modules: true
            }
        },
       ...
    ]
}
...

然后你可以随意使用,最后总能得到你想要的结果!另外,如果你同时引入了多个模块,则后面的模块总会覆盖前面的值。

<div className="card top-margin"><div>        
<div className={"card top-margin"}><div>      
<div className={'card top-margin'}><div>      
<div className={`card top-margin`}><div>      

<div className={youFunc(parmas)}>             
<div className={isTrue()? 'hide' : 'visibel'}>

import styles1 from 'index.module.less';
import styles2 from 'app.module.css';
import { left, right } from 'other.module.less';
import 'main.module.sass';

// 可兼容原始代码!老的无需变更!
import 'normal.less'
import 'normal.css'
import 'normal.sass'

<div className={styles1.sider + ' ' + styles2.top + 'main-css'}></div>
<div className={ `${left} ${right}` }></div>

注意:

在大多数情况下,使用本loader后无需再使用以下两种方式:

import styles from 'index.module.less';
import { style1, style2 } from 'index.module.less';

如果你必须使用,需注意以下情况(发生在同时导入多个css模块的情况下):

// 使用默认导入
// 假设:<div className={styles.top}></div>
// 期望得到:<div className="_jkasicidnjew"></div>
// 实际情况:可能得到其它的一个类名,而不是`_jkasicidnjew`
// 这种可能情况的发生,取决于你是否在任何其它css模块中定义了一个和`_jkasicidnjew`一样的类名
import styles from 'index.module.less';

如果你的className是动态注入的,你需要使用引用,而不能直接给一个类名,例如:

// import 'index.module.less'; // 应该使用下面的形式
import styles from 'index.module.less';

const props = {
    className: styles.top   // 正确
 // className: 'top'        // 错误
}

<div {...props}></div>