将 TypeScript 与 Webpack 一起使用的高性能方式是什么?



在Typescript文档中,有一个使用ts-loader插件来消化TypeScript文件的示例,如下所示:

module.exports = {
entry: "./src/index.tsx",
output: {
filename: "bundle.js",
path: __dirname + "/dist"
},
// Enable sourcemaps for debugging webpack's output.
devtool: "source-map",
resolve: {
// Add '.ts' and '.tsx' as resolvable extensions.
extensions: [".ts", ".tsx", ".js", ".json"]
},
module: {
rules: [
// All files with a '.ts' or '.tsx' extension will be handled by 'awesome-typescript-loader'.
{ test: /.tsx?$/, loader: "awesome-typescript-loader" },
// All output '.js' files will have any sourcemaps re-processed by 'source-map-loader'.
{ enforce: "pre", test: /.js$/, loader: "source-map-loader" }
]
},
// When importing a module whose path matches one of the following, just
// assume a corresponding global variable exists and use that instead.
// This is important because it allows us to avoid bundling all of our
// dependencies, which allows browsers to cache those libraries between builds.
externals: {
"react": "React",
"react-dom": "ReactDOM"
}
};

另一种选择是使用tsc(Typescript 编译器)作为package.json script的一部分,例如

"build": "tsc && webpack"

使用带有 Webpack 的 TypeScript 哪种性能更高?

我建议使用ts-loader,因为它允许更细粒度的优化。您可以使用缓存加载器或硬源 webpack-plugin 缓存中间结果,使用 happy-pack 在多个线程中运行它。Webpack 还在其 webpack 5 里程碑中包含了一些优化

。关于awesome-typescript-loader- github页面很好地涵盖了它和ts-loader之间的所有差异。它不支持HappyPack但另一方面有缓存和更好的 babel 集成。我建议尝试这两个选项并选择工作速度更快的选项,它基本上是配置中的几行更改。

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