Javascript 您能将带有wasm文件的模块加载到CreateReact应用程序中吗?
我正在尝试将此模块加载到create react应用程序项目中: 当我这样做时,我得到以下错误:Javascript 您能将带有wasm文件的模块加载到CreateReact应用程序中吗?,javascript,webpack,create-react-app,webassembly,Javascript,Webpack,Create React App,Webassembly,我正在尝试将此模块加载到create react应用程序项目中: 当我这样做时,我得到以下错误: ./node_modules/wasmlibfp/wasmlibfp_bg.wasm Module parse failed: magic header not detected File was processed with these loaders: * ./node_modules/file-loader/dist/cjs.js You may need an additional loa
./node_modules/wasmlibfp/wasmlibfp_bg.wasm
Module parse failed: magic header not detected
File was processed with these loaders:
* ./node_modules/file-loader/dist/cjs.js
You may need an additional loader to handle the result of these loaders.
Error: magic header not detected
要在CRA中加载wasm模块,我需要做什么特殊的事情吗?是的,您可以将带有wasm文件的模块加载到create react应用程序项目中。为此,您需要对CRA项目进行一些修改。以下步骤来自Richard Reedy编写的: 创建CRA: 安装
react应用程序重新布线
和wasm加载程序
依赖项:
添加包含以下内容的config overrides.js
文件:
将CRA NPM脚本更改为使用重新布线的react应用程序,而不是react脚本
:
安装wasm依赖项:
在JS代码中异步加载WASM:
,所以您需要添加加载它的JS代码(我把它放在App.JS
):
如果已加载wasm代码,请在应用程序中使用该代码:
render(){
const{wasm={}}=this.state;
返回(
{wasm.doStuff&&wasm.doStuff()}
);
您可以尝试创建一个普通的react应用程序,然后尝试安装依赖项
npm install --save wasmlibfp
我也有同样的问题,你找到解决办法了吗?
npm install react-app-rewired wasm-loader -D
const path = require('path');
module.exports = function override(config, env) {
const wasmExtensionRegExp = /\.wasm$/;
config.resolve.extensions.push('.wasm');
config.module.rules.forEach(rule => {
(rule.oneOf || []).forEach(oneOf => {
if (oneOf.loader && oneOf.loader.indexOf('file-loader') >= 0) {
// make file-loader ignore WASM files
oneOf.exclude.push(wasmExtensionRegExp);
}
});
});
// add a dedicated loader for WASM
config.module.rules.push({
test: wasmExtensionRegExp,
include: path.resolve(__dirname, 'src'),
use: [{ loader: require.resolve('wasm-loader'), options: {} }]
});
return config;
};
"scripts": {
"start": "react-app-rewired start",
"build": "react-app-rewired build",
"test": "react-app-rewired test"
}
npm install --save wasmlibfp
componentDidMount() {
this.loadWasm();
}
loadWasm = async () => {
try {
const wasm = await import('external');
this.setState({wasm});
} catch(err) {
console.error(`Unexpected error in loadWasm. [Message: ${err.message}]`);
}
};
render() {
const { wasm = {} } = this.state;
return (
<div className="App">
{ wasm.doStuff && wasm.doStuff() }
</div>
);
npm install --save wasmlibfp