网上看了许多设置,末了才发明create-react-app2.0后就不必eject就能够运用css module特征,那末less模仿css的设置即可
1.css module的运用
将CSS文件名为[filename].module.css
import styles from ‘./index.module.css’;
2.设置less
- 暴露webpack设置文件
cnpm run eject
装置lessless-loader依靠
npm install less less-loader --save-dev
- 修正webpack.config.js文件设置,一共修正三处
第一处:增添定义变量
```
const cssRegex = /\.css$/;
const cssModuleRegex = /\.module\.css$/;
const sassRegex = /\.(scss|sass)$/;
const sassModuleRegex = /\.module\.(scss|sass)$/;
const lessRegex = /\.less$/;
const lessModuleRegex = /\.module\.less$/;
```
第二处:模仿css设置less
```
{
test: cssRegex,
exclude: cssModuleRegex,
use: getStyleLoaders({
importLoaders: 1,
sourceMap: isEnvProduction && shouldUseSourceMap,
}),
// Don't consider CSS imports dead code even if the
// containing package claims to have no side effects.
// Remove this when webpack adds a warning or an error for this.
// See https://github.com/webpack/webpack/issues/6571
sideEffects: true,
},
// Adds support for CSS Modules (https://github.com/css-modules/css-modules)
// using the extension .module.css
{
test: cssModuleRegex,
use: getStyleLoaders({
importLoaders: 1,
sourceMap: isEnvProduction && shouldUseSourceMap,
modules: true,
getLocalIdent: getCSSModuleLocalIdent,
}),
},
// Opt-in support for SASS (using .scss or .sass extensions).
// By default we support SASS Modules with the
// extensions .module.scss or .module.sass
{
test: lessRegex,
exclude: lessModuleRegex,
use: getStyleLoaders({
importLoaders: 1,
sourceMap: isEnvProduction && shouldUseSourceMap,
}),
// Don't consider CSS imports dead code even if the
// containing package claims to have no side effects.
// Remove this when webpack adds a warning or an error for this.
// See https://github.com/webpack/webpack/issues/6571
sideEffects: true,
},
// Adds support for CSS Modules (https://github.com/css-modules/css-modules)
// using the extension .module.css
{
test: lessModuleRegex,
use: getStyleLoaders({
importLoaders: 1,
sourceMap: isEnvProduction && shouldUseSourceMap,
modules: true,
getLocalIdent: getCSSModuleLocalIdent,
}),
},
```
第三处:修正getCSSModuleLocalIdent函数内部,增添less
![图片形貌][2]
3测试是不是装置胜利
- 竖立以module.less为末端的less文件
经由过程module引入less到index
import styles from './my.module.less' render() { console.log(styles.text) return ( <div> <div className={styles.text}>Hello World</div> </div> ) }