webpack 开发环境配置
webpack.config.js
const { resolve } = require(‘path‘); const HtmlWebpackPlugin = require(‘html-webpack-plugin‘); module.exports = { entry: ‘./src/js/index.js‘, output: { filename: ‘js/bundle.js‘, path: resolve(__dirname, ‘build‘) }, module: { rules: [ // loader的配置 { // 处理less资源 test: /\.less$/, use: [‘style-loader‘, ‘css-loader‘, ‘less-loader‘] }, { // 处理css资源 test: /\.css$/, use: [‘style-loader‘, ‘css-loader‘] }, { // 处理图片资源 test: /\.(jpg|png|gif)$/, loader: ‘url-loader‘, options: { limit: 8 * 1024, name: ‘[hash:10].[ext]‘, outputPath: ‘imgs‘ } }, { // 处理html中img资源 test: /\.html$/, loader: ‘html-loader‘ }, { // 处理其他资源 exclude: /\.(html|js|css|less|jpg|png|gif)/, loader: ‘file-loader‘, options: { name: ‘[hash:10].[ext]‘, outputPath: ‘media‘ } } ] }, plugins: [ // plugins的配置 new HtmlWebpackPlugin({ template: ‘./src/index.html‘ }) ], mode: ‘development‘, devServer: { contentBase: resolve(__dirname, ‘build‘), compress: true, port: 3000, open: true } };
运行指令:
npx webpack : 会将打包结果输出出去
npx webpack-dev-server 只会在内存中编译打包,没有输出
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