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webpack.config.js
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webpack.config.js
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const { CleanWebpackPlugin } = require('clean-webpack-plugin');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const path = require('path');
const config = {
entry: './src/index.ts', // 入口文件
externals: {
cesium: 'Cesium',
},
module: {
rules: [
// 使用 babel-loader 解析 ts, js, tsx, jsx 文件.
{
test: /\.(ts|js)x?$/,
use: 'babel-loader',
exclude: /node_modules/,
},
// 执行顺序:从右到左
{
test: /\.s[ac]ss$/i,
use: [
// 提取到单独的CSS文件
MiniCssExtractPlugin.loader,
// 转换 CSS 到 CommonJS
'css-loader',
// 给 CSS 添加前缀以适应各浏览器
'postcss-loader',
// 编译 Sass 到 CSS
'sass-loader',
],
},
// 使用 url-loader 将小于 4KB 图片 转换为 base64 URIs
{
test: /\.(png|jpe?g|gif|webp)$/i,
use: [
{
loader: 'url-loader',
options: {
name: 'images/[name].[hash:8].[ext]',
limit: 4096,
esModule: false,
},
},
],
},
],
},
resolve: {
extensions: ['.ts', '.tsx', '.js', '.jsx', '.json'], // 按顺序解析以上扩展名的文件(必须添加,否则通过import进来的文件无法解析。import时可不写扩展名 默认值为 ['.wasm', '.mjs', '.js', '.json']
},
output: {
filename: 'bundle.js',
path: path.resolve(__dirname, 'dist'),
},
plugins: [
new CleanWebpackPlugin(),
new HtmlWebpackPlugin({ template: 'public/index.html', title: 'TypeScript-Webpack-starter' }),
new MiniCssExtractPlugin({
filename: 'css/[name].css',
chunkFilename: 'css/[id].css',
}),
],
};
module.exports = (env, argv) => {
if (argv.mode === 'development') {
config.devtool = 'source-map'; // 导出SourceMap供调试
}
if (argv.mode === 'production') {
}
return config;
};