我正在尝试使用 SCSS 实现 CSS 模块。
我设法让它与 SCSS 一起工作的模块。 但是,我无法正常导入 SCSS,我尝试推送多个规则,并排除 module.scss 但它不起作用。 如果这里有人可以帮助我,那就太好了。
这是我当前的工作配置,仅适用于带有模块的 SCSS,但正常导入。
谢谢。
'use strict';
const autoprefixer = require('autoprefixer');
const ExtractTextPlugin = require('extract-text-webpack-plugin');
const path = require('path');
const scssPlugin = new ExtractTextPlugin(
'static/css/[name].[hash:8].css'
);
module.exports = {
modify: (baseConfig, { target, dev }, webpack) => {
const appConfig = Object.assign({}, baseConfig);
appConfig.resolve.modules.push('src', 'node_modules');
// Setup SCSS
if (target === 'web') {
appConfig.module.rules.push(
dev
? {
test: /\.scss$/,
use: [
'style-loader',
{
loader: 'css-loader',
options: {
modules: true,
sourceMap: true,
localIdentName: '[local]__[hash:base64:5]'
},
},
{
loader: 'postcss-loader',
options: {
ident: 'postcss', // https://webpack.js.org/guides/migrating/#complex-options
plugins: () => [
autoprefixer({
browsers: [
'>1%',
'last 4 versions',
'Firefox ESR',
'not ie < 9', // React doesn't support IE8 anyway
],
}),
],
},
},
'sass-loader',
],
}
: {
test: /\.scss$/,
use: scssPlugin.extract({
fallback: 'style-loader',
use: [
{
loader: 'css-loader',
options: {
modules: true,
minimize: true,
importLoaders: 1,
localIdentName: '[hash:base64:5]'
},
},
{
loader: 'postcss-loader',
options: {
ident: 'postcss', // https://webpack.js.org/guides/migrating/#complex-options
plugins: () => [
autoprefixer({
browsers: [
'>1%',
'last 4 versions',
'Firefox ESR',
'not ie < 9', // React doesn't support IE8 anyway
],
}),
],
},
},
'sass-loader',
],
}),
}
);
} else {
// On the server, we can just simply use css-loader to
// deal with scss imports
appConfig.module.rules.push(
dev ? {
test: /\.scss$/,
use: scssPlugin.extract({
fallback: 'style-loader',
use: [
{
loader: 'css-loader',
options: {
modules: true,
minimize: true,
importLoaders: 1,
localIdentName: '[local]__[hash:base64:5]'
},
},
{
loader: 'postcss-loader',
options: {
ident: 'postcss', // https://webpack.js.org/guides/migrating/#complex-options
plugins: () => [
autoprefixer({
browsers: [
'>1%',
'last 4 versions',
'Firefox ESR',
'not ie < 9', // React doesn't support IE8 anyway
],
}),
],
},
},
'sass-loader',
],
})
}
: {
test: /\.scss$/,
use: scssPlugin.extract({
fallback: 'style-loader',
use: [
{
loader: 'css-loader',
options: {
modules: true,
minimize: true,
importLoaders: 1,
localIdentName: '[hash:base64:5]'
},
},
{
loader: 'postcss-loader',
options: {
ident: 'postcss', // https://webpack.js.org/guides/migrating/#complex-options
plugins: () => [
autoprefixer({
browsers: [
'>1%',
'last 4 versions',
'Firefox ESR',
'not ie < 9', // React doesn't support IE8 anyway
],
}),
],
},
},
'sass-loader',
],
}
),
});
}
appConfig.plugins.push(scssPlugin);
return appConfig;
},
};
看一眼
https://github.com/natanelia/razzle-afterjs-redux-rnw-example
在该示例中,after 使用的是以前版本的 razzle(使用 webpack3),但 sass 相关设置有效。 您必须删除 ExtractTextPlugin,因为它不支持 webpack4(新的 razzle 依赖它)。
此外,如果您想在我对该示例的更新中获取战利品(对于 webpack 4),请在下面获取战利品:
const path = require('path');
const resolve=path.resolve;
const autoprefixer = require('autoprefixer');
const fs=require('fs');
//var treeify = require('treeify');
const { BundleAnalyzerPlugin } = require( "webpack-bundle-analyzer" );
const paths= require ('razzle/config/paths');
//does not yet work with webpack4
//const InlineChunkManifestHtmlWebpackPlugin = require('inline-chunk-manifest-html-webpack-plugin');
//keep it here,but could not get to work for sass...
const MiniCssExtractPlugin = require("mini-css-extract-plugin");
/* finds an index of babel rules in array of webpack rules */
/*
{
'ruleIdx':'',
'useIdx':''
}
*/
function getIdx_RulesByLoader (inRulesArr,
IS_DEV,
IS_WEB,
loaderStr,
extentionRegExTest) {
let jsRulesBabelLoaderIdx = -1;
let useIdx=-1;
jsRulesBabelLoaderIdx=inRulesArr.findIndex(
(rule) =>{
if (rule.test // rule.test is a reg expr
&& rule.test.exec
&& rule.test.exec(extentionRegExTest)
&& rule.use)
{
useIdx=rule.use.findIndex(
(useItem)=> {
if (useItem.options
&& useItem.loader.includes(loaderStr) ){
return true;
}
}
);
/*return true if useIdx is a valid index */
return (useIdx>-1);
}
}
);
const res={
'ruleIdx':jsRulesBabelLoaderIdx,
'useIdx':useIdx
};
return res;
}
module.exports = {
modify(baseConfig, secondArg, webpack) {
const {target, dev}=secondArg;
/* make a copy of config */
const config = Object.assign({}, baseConfig);
const IS_NODE = target === 'node';
const IS_WEB = target === 'web';
const IS_PROD = !dev;
const IS_DEV = dev;
const MYpostCssLoader = {
loader: 'postcss-loader',
options: {
ident: 'postcss',
sourceMap: IS_DEV,
plugins: () => [
autoprefixer({
browsers: ['>1%',
'last 4 versions',
'Firefox ESR',
'not ie < 9'],
}),
],
},
};
const MYscssLoader = {
loader: 'sass-loader',
options: {
includePaths: [path.resolve(__dirname, './node_modules')],
sourceMap: IS_DEV
}};
const MYcssLoader = IS_NODE ?
{loader:"css-loader"}
:{
loader: "css-loader",
options: {
minimize: !IS_DEV,
sourceMap: IS_DEV,
importLoaders: 1,
localIdentName:
IS_DEV?'[path]__[name]___[local]':undefined,
}
};
/*
MiniCssExtractPlugin
plugin should be used only on
production builds without style-loader
in the loaders chain, especially if you
want to have HMR in development.
*/
const newSaasRule= {
test: /\.(sass|scss)$/,
exclude:[path.resolve(__dirname, './node_modules')],
use: IS_NODE
? [MYcssLoader, MYscssLoader]
: IS_DEV
? [
'style-loader',
MYcssLoader,
MYpostCssLoader,
MYscssLoader
]
:[
//'style-loader',
MYcssLoader,
//cannot get this to work MiniCssExtractPlugin.loader,
MYpostCssLoader,
MYscssLoader
]
};//end of newSaasRule
config.module.rules.push(newSaasRule);
/* make babel to transply My symlinked directors
This is relevant to My seetup (others may not have symlinks..)
and from some directories containing react native modules
@start<strong i="10">@step</strong>:1
*/
/* match with config-override.js on the csr side */
config.resolve.alias['web_common'] = path.resolve('./src/wc.src');
config.resolve.alias['app_src'] = path.resolve('./src/app.src');
config.resolve.alias['rnjs_common'] = path.resolve('./src/js.app');
//config.resolve.alias.AppStyles$ = path.resolve('./src/app.src/styles/AppStyles')
//copied from cra config
//Probably not needed,
config.resolve.alias['babel-runtime']=path.dirname(require.resolve('babel-runtime/package.json'));
/*
* add ./src to module resolver so you can import
* modules with absolute path
* again, this might not be of use to others...
*/
config.resolve.modules.push('./src');
let resOfBabelRule=getIdx_RulesByLoader(config.module.rules,
IS_DEV,
IS_WEB,
'babel-loader', //loader name
'./testFileNm.js' //test file name for regex
);
/* noticed besides my sources, I also had to add react-native-vector-icons
this was not the only change for RN-vector-icons though, but other changes
for RN-vector icons are in babel related rules outside of this config file */
const pathsToMySourcesArr=
[
fs.realpathSync(paths.appSrc+'/js.app'),
fs.realpathSync(paths.appSrc+'/app.src'),
fs.realpathSync(paths.appSrc+'/wc.src'),
fs.realpathSync(paths.appNodeModules+'/react-native-vector-icons'),
fs.realpathSync(paths.appNodeModules+'/react-native-vector-icons/node_modules'),
];
config.module.rules[resOfBabelRule.ruleIdx]
.include
.push(...pathsToMySourcesArr);//use spread to push invidiual elements
//this is a must
config.resolve.symlinks=false;
/* react native vector icons @start<strong i="11">@step</strong>:1 */
const newRNVectorIconsRule={
test: /\.ttf$/,
loader: require.resolve("file-loader"), // or directly file-loader
include: fs.realpathSync(paths.appNodeModules+'/react-native-vector-icons')
};
config.module.rules.push(newRNVectorIconsRule);
/* react native vector icons @end<strong i="12">@step</strong>:1 */
if (IS_WEB) {
if ( !IS_DEV ) {
config.plugins.push( new BundleAnalyzerPlugin( {
analyzerMode: "static",
reportFilename: "webpack-report.html",
openAnalyzer: false,
} ) );
}
}
/*
* I share some of my react components with my
* react native part of the system
* So UsefulComponent.web.js is for web
* UsefulCompoenent.android.js is for android
* Usefulcomponent.ios.js is for IOS
*
* By the way, react's CRA allows for web.js convention
* so this should probably be a feature of razzle too
* rather than a customization
*/
config.resolve.extensions = config.resolve.extensions.concat([
'.web.js'
]);
return config;
},
};
我已经设法让它工作了,谢谢你的帮助。 我很快就会用例子做一个 PR。
你能提供一个例子@MaxGoh
有点晚了,但这对我有用:
const path = require("path");
module.exports = {
modify(config, { target, dev }, webpack) {
for (const rule of config.module.rules) {
if (rule.test && rule.test.toString() === "/\\.module\\.css$/") {
const scss = { ...rule };
scss.test = /\.scss$/;
scss.include = path.join(__dirname, "src");
scss.use.push({ loader: "sass-loader" });
config.module.rules.push(scss);
break;
}
}
return config;
}
};
最有用的评论
有点晚了,但这对我有用: