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webpack.config.js
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149 lines (143 loc) · 4.4 KB
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/**
* Welcome to the themes webpack config.
*
* This file describes, in JavaScript, how frontend code is compiled to be
* served in all WordPress environments. There are three main parts:
*
* 1. The sharedConfig, which forms a basis for the other two parts
* 2. The jsCssConfig, which builds JS from /js/src/ and outputs
* the compiled code to /dist, this will include any imported css
* 3. The LESS/CSS configuration, which builds CSS from /less and also outputs
* the compiled code to /dist
* */
const path = require("path");
const MiniCssExtractPlugin = require("mini-css-extract-plugin");
const CssMinimizerPlugin = require("css-minimizer-webpack-plugin");
const TerserPlugin = require("terser-webpack-plugin");
const AssetsVersionPlugin = require("./js/webpack-plugins/assets-version-plugin.js");
const sharedConfig = {
mode: "production",
devtool: "source-map",
stats: "errors-only",
};
const jsCssConfig = {
...sharedConfig,
entry: {
common: "./js/src/common.js",
slideshows: "./js/src/slideshows.js"
},
output: {
path: path.resolve(__dirname, "dist"),
filename: "[name].js"
},
/*
* Tell webpack that jQuery is a thing that exists already
*/
externals: {
jquery: "jQuery"
},
plugins: [
new MiniCssExtractPlugin({
filename: "[name].css"
}),
new AssetsVersionPlugin({
versionFile: "scripts.version",
useHash: true
})
],
module: {
rules: [
{
test: /\.js$/,
exclude: /node_modules/,
use: [
{
loader: "babel-loader",
options: {
presets: ["@babel/preset-env"]
}
}
]
},
{
test: /\.css$/,
use: [
MiniCssExtractPlugin.loader,
{
loader: "css-loader",
options: { sourceMap: true }
}
]
}
]
},
optimization: {
minimizer: [new CssMinimizerPlugin(), new TerserPlugin()]
}
};
const lessConfig = {
...sharedConfig,
entry: {
style: "./less/style.less",
"editor-style": "./less/editor-style.less",
print: "./less/style-print.less"
},
output: {
path: path.resolve(__dirname, ".")
},
plugins: [
new MiniCssExtractPlugin({
filename: "[name].css"
}),
new AssetsVersionPlugin({
versionFile: "styles.version",
useHash: true
}),
{
/*
* Remove the js files genereated by webpack for the pattern-matched CSS entries
* We only want the CSS files, as these are enqueued in WordPress
* The JS files are empty and not needed
*/
apply: (compiler) => {
compiler.hooks.thisCompilation.tap("RemovePatternJsFiles", (compilation) => {
compilation.hooks.processAssets.tap(
{
name: "RemovePatternJsFiles",
stage: compiler.webpack.Compilation.PROCESS_ASSETS_STAGE_ADDITIONS,
},
(assets) => {
Object.keys(assets)
.filter(asset => asset.match(/^(style|editor-style|print)\.js$/))
.forEach(asset => {
delete compilation.assets[asset];
});
}
);
});
}
},
],
module: {
rules: [
{
test: /\.(less)$/,
use: [
MiniCssExtractPlugin.loader,
{
loader: "css-loader",
options: { sourceMap: true, url: false }
},
{
loader: "less-loader",
options: { sourceMap: true }
}
]
}
]
},
optimization: {
minimizer: [new CssMinimizerPlugin()]
}
};
module.exports = [jsCssConfig, lessConfig];