javascript - 在 Webpack 和 Typescript(ts-loader) 上的设置问题
正在尝试使用 Webpack 和 ts-loader 设置 SolidJS。
在return函数上不断出现问题。
我在加载器中到底缺少什么才能解决这个问题?
import { render } from "solid-js/web";
const App = () => {
// return "Hello World" // this works!
return (<div> Hello World </div>) // this doesnt work!
};
render(App, document.getElementById("app"));
错误日志输出:
> webpack --watch --progress --config webpack.config.js
asset index.js 1.56 KiB [emitted] (name: main)
./src/test.tsx 290 bytes [built] [code generated]
ERROR in ./src/test.tsx 6:12
Module parse failed: Unexpected token (6:12)
File was processed with these loaders:
* ./node_modules/ts-loader/index.js
You may need an additional loader to handle the result of these loaders.
| const App = () => {
| // return "Hello World" // this works!
> return (<div> Hello World </div>); // this doesnt work!
| };
| render(App, document.getElementById("app"));
webpack 5.47.0 compiled with 1 error in 2081 ms
webpack.config
const path = require('path');
module.exports = {
mode: 'development',
entry: './src/test.tsx',
module: {
rules: [
{
use: 'ts-loader',
test: /\.(ts|tsx)?$/,
exclude: /node_modules/
}
]
},
resolve: {
extensions: ['.tsx', '.ts', '.js']
},
output: {
filename: 'index.js',
path: path.resolve(__dirname, 'dist')
}
}
更新:
tsconfig.json
{
"compilerOptions": {
"jsx": "preserve",
"jsxImportSource": "solid-js",
"target": "ESNext",
"module": "ESNext",
"moduleResolution": "node",
"esModuleInterop": false
},
"include": ["src/**/*.ts", "src/**/*.tsx"],
"exclude": ["node_modules"]
}
答案#1
你需要添加 Babel。保留 TypeScript 的 JSX 是可以的,但在最终打包之前,它仍然需要被转换。babel-preset-solid 可以处理这个问题。否则,Webpack 不知道如何处理那些 JSX。
一般来说,我只是使用带有 TypeScript 预设的 Babel。我知道这不会给你实时类型检查,只会去掉类型。Create React App 使用 fork-ts-checker-webpack-plugin 来解决这个问题,并在 Babel 转换的同时并行处理类型检查。
答案#2
已解决:
#webpack module rules:
module: {
rules: [
{
test: /\.tsx?$/,
exclude: /node_modules/,
use: [
{
loader: 'babel-loader',
options: {
presets: ['solid'],
},
},
{
loader: 'ts-loader',
},
]
}
]
},
