create-react-app 最新版本安装less

1.暴露webpack配置文件

npm run ejectyarn run eject复制代码

npm install less less-loaderyarn add less less-loader复制代码

{              test: lessRegex,              exclude: lessModuleRegex,              use: getStyleLoaders(                {                  importLoaders: 2,                  sourceMap: isEnvProduction && shouldUseSourceMap,                },                'less-loader'              ),              sideEffects: true,            },            {              test: lessModuleRegex,              use: getStyleLoaders(                {                  importLoaders: 2,                  sourceMap: isEnvProduction && shouldUseSourceMap,                  modules: true,                  getLocalIdent: getCSSModuleLocalIdent,                },                'less-loader'              ),        }复制代码

将这段代码添加到module中的rules数组里就OK了