README.md

webpack multiple themes compile

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This library use to overwrite webpack config to output multiple themes in once compile.

If you used webpack version lower than 3 , please use webpack-multiple-themes-compile@1.

If you used Webpack 4, please use webpack-multiple-themes-compile@2.x.

Install

npm i webpack-multiple-themes-compile webpack-merge

Example

Origin webpack.config.js

module.exports = {
  output: {
    path: outPutPath,
    filename: '[name].js',
    chunkFilename: '[name].js',
  },
  // There is another options.
};

Change the webpack.config.js file.

+ const merge = require('webpack-merge');
+ const multipleThemesCompile = require('webpack-multiple-themes-compile');
- module.exports = {
+ const webpackConfigs = {
  output: {
    path: outPutPath,
    filename: '[name].js',
    chunkFilename: '[name].js'
  }
  // There is another options.
};

+ module.exports = merge(
+   webpackConfigs,
+   multipleThemesCompile({
+     themesConfig: {
+       green: {
+         color: '#008000'
+       },
+       yellow: {
+         import: [
+           '~thirdpartylibrary/styles/yellow.less'
+         ],
+         color: '#ffff00'
+       }
+     },
+     lessContent: 'body{color:@color}'
+   })
+ );

Output directory tree.

.
├── theme-green.css
├── theme-yellow.css
└── themes.js

API

/**
 * @param configs
 */
multipleThemesCompile(configs);

configs

Property	Type（Default）	Description
styleLoaders	Array [{ loader: 'css-loader' }, { loader: 'less-loader' }]	The loaders to compile less.Details in webpack homepage
themesConfig*	Object	Theme configuration. key for the file name of the generated css, value for the object .The object's key, the value is the name of the variable to be overwritten, and the value of the variable.
lessContent	String | (themeName:string,config:Object)=> String @import "../index";	The content of cache less.
preHeader	String // Generate by Script.	The header of generate files.
cacheDir	String ./src/less/themes	Cache Directory.
cwd	String __dirname	Relative output directory.
outputName	String theme-[name].css	Finally output pathname.Options similar to the same options in webpackOptions.output.
publicPath	String../../	publicPath configuration for mini-css-extract-plugin

Notice

If you used html-webpack-plugin,maybe you need added this config:

 new HtmlwebpackPlugin({
   filename: 'index.html',
   template: 'src/index.html',
   inject: 'body',
   // exclude themes.js
+  excludeChunks: Object.keys(themesConfig)
 })