使用webpack建立React+TS项目

守护砂之国泰裤辣

2024-04-25 帮助1人

之前写过类似的文章，这次看到一本新书里也介绍了这个知识点，故尝试之。

Refer: 《Learn React With TypeScript - A Beginner's Guide To Reactive Web Development With React 18 and TypeScript》chapter3 Creating a project with webpack

1.先建立一个空的文件夹，my-app，并用vscode打开然后到根目录底下创建package.json和src目录，并在其中添加index.html:

{
"name": "my-app",
"version": "1.0.0",
"description": "My React and TypeScript app"
}

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>My app</title>
</head>
<body>
<div id="root"></div>
</body>
</html>

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2.安装和配置ts:

npm install -D typescript

根目录新建tsconfig.json文件:

{
"compilerOptions": {
"noEmit": true,
"lib": ["dom", "dom.iterable", "esnext"],
"moduleResolution": "node",
"allowSyntheticDefaultImports": true,
"esModuleInterop": true,
"jsx": "react",
"forceConsistentCasingInFileNames": true,
"strict": true
},
"include": ["src"],
"exclude": ["node_modules", "dist"]
}

3.安装React:

npm install react react-dom

安装类型(react包本身不含类型):

 npm install @types/react @types/react-dom

4.在src目录地下创建index.tsx:

import React, { StrictMode } from "react";
import { createRoot } from "react-dom/client";
const root = createRoot(document.getElementById("root") as HTMLElement);
function App() {
return <h1>My React and TypeScript App!</h1>;
}
root.render(
<StrictMode>
<App />
</StrictMode>
);

5.安装Babel:

npm i -D @babel/core @babel/preset-env @babel/preset-react @babel/preset-typescript @babel/plugin-transform-runtime @babel/runtime

根目录创建.babelrc.json:

{
"presets": [
"@babel/preset-env",
"@babel/preset-react",
"@babel/preset-typescript"
],
"plugins": [
[
"@babel/plugin-transform-runtime",
{
"regenerator": true
}
]
]
}

6.安装webpack

 npm i -D webpack webpack-cli webpack-dev-server babel-loader html-webpack-plugin

7.配置webpack

a.安装node-ts库允许在ts文件中配置:

npm i -D ts-node

b.根目录上创建一个文件webpack.dev.config.ts:

import path from "path";
import HtmlWebpackPlugin from "html-webpack-plugin";
import {
Configuration as WebpackConfig,
HotModuleReplacementPlugin,
} from "webpack";
import { Configuration as WebpackDevServerConfig } from "webpack-dev-server";
type Configuration = WebpackConfig & {
devServer?: WebpackDevServerConfig;
};
const config: Configuration = {
mode: "development",
output: {
publicPath: "/",
},
entry: "./src/index.tsx",
module: {
rules: [
{
test: /\.(ts|js)x?$/i,
exclude: /node_modules/,
use: {
loader: "babel-loader",
options: {
presets: [
"@babel/preset-env",
"@babel/preset-react",
"@babel/preset-typescript",
],
},
},
},
],
},
resolve: {
extensions: [".tsx", ".ts", ".js"],
},
plugins: [
new HtmlWebpackPlugin({
template: "src/index.html",
}),
new HotModuleReplacementPlugin(),
],
devtool: "inline-source-map",
devServer: {
static: path.join(__dirname, "dist"),
historyApiFallback: true,
port: 4000,
open: true,
hot: true,
},
};
export default config;

c.在package.json中追加启动脚本:

,
"scripts": {
"start": "webpack serve --config webpack.dev.config.ts"
}

8.允许app，命令行使用:

npm start

运行结果:

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源码

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