prk*_*001 3 javascript minify webpack
在生产模式下,我的 webpack 缩小了 .js (正如它应该的那样)。但我还需要缩小我的 .css,为此我必须使用 OptimizeCssAssetsPlugin。当我使用它时,它会缩小我的 .css 但我的 .js 保持未缩小状态。
我的猜测是,当我使用优化(“模块”和“插件”旁边)时,js 会缺少一些东西,因为没有整个“优化”块它就无法工作。但它是什么?为什么?
const path = require('path');
const HtmlWebPackPlugin = require("html-webpack-plugin");
const MiniCssExtractPlugin = require("mini-css-extract-plugin");
const WriteFilePlugin = require("write-file-webpack-plugin");
const OptimizeCssAssetsPlugin = require('optimize-css-assets-webpack-plugin');
module.exports = {
entry: './src/index.js',
output: {
path: path.join(__dirname, '/dist'),
filename: 'bundle.js',
publicPath: '/'
},
devtool: 'source-map',
module: {
rules: [
{
test: /\.js$/,
exclude: /node_modules/,
use: {
loader: "babel-loader"
}
},
{
test: /\.(sa|sc|c)ss$/,
exclude: /node_modules/,
use: [MiniCssExtractPlugin.loader, "css-loader", "sass-loader"]
}
]
},
plugins: [
new HtmlWebPackPlugin({
template: "./demo/index.html",
filename: "index.html",
inject: false
}),
new MiniCssExtractPlugin({
filename: "style.css"
}),
new WriteFilePlugin()
],
optimization: {
minimizer: [
new OptimizeCssAssetsPlugin(),
],
},
};
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小智 5
请查看MiniCssExtractPlugin文档的生产配置:
虽然 webpack 5 可能会内置 CSS 最小化器,但对于 webpack 4,您需要自带 CSS 最小化器。要缩小输出,请使用像optimize-css-assets-webpack-plugin这样的插件。设置 optimization.minimizer 会覆盖 webpack 提供的默认值,因此请确保还指定 JS 最小化器...
问候,
const TerserJSPlugin = require('terser-webpack-plugin');
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....
optimization: {
minimizer: [
// Minify js files:
// (TerserJS is webpack default minifier but we have to specify it explicitly
// as soon as we include more minifiers)
new TerserJSPlugin({}),
// Minify css files:
new OptimizeCSSAssetsPlugin(),
],
},
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