我正在做一个来自https://medium.com/ethereum-developers/the-ultimate-end-to-end-tutorial-to-create-and-deploy-a-fully-descentralized-dapp-in的相当简单的项目-ethereum-18f0cf6d7e0e由于本教程不关注前端部分(webpack 和 babel 等),我从不同的地方挑选了这些步骤。现在我尝试使用 webpack 和 http-server 构建前端,但我意识到它并没有随着我对文件所做的更改而更新。webpack.config.jsconst path = require('path')module.exports = { entry: path.join(__dirname, 'src/js', 'index.js'), // Our frontend will be inside the src folder output: { path: path.join(__dirname, 'dist'), filename: 'build.js' // The final file will be created in dist/build.js }, module: { rules: [{ test: /\.css$/, // To load the css in react use: ['style-loader', 'css-loader'], include: /src/ }, { test: /\.jsx?$/, // To load the js and jsx files loader: 'babel-loader', exclude: /node_modules/, query: { presets: ['@babel/preset-env', '@babel/preset-react'] } }] }}包.json{ "name": "test-app", "version": "1.0.0", "main": "index.js", "scripts": { "test": "echo \"Error: no test specified\" && exit 1" }, "keywords": [], "author": "", "license": "ISC", "devDependencies": { "@babel/core": "^7.10.2", "@babel/preset-env": "^7.10.2", "@babel/preset-react": "^7.10.1", "babel-loader": "^8.1.0", "css-loader": "^3.5.3", "json-loader": "^0.5.7", "react": "^16.13.1", "react-dom": "^16.13.1", "style-loader": "^1.2.1", "web3": "^0.20.0", "webpack": "^4.43.0", "webpack-cli": "^3.3.11" }, "directories": { "test": "test" }, "dependencies": {}, "description": ""}我使用它构建它 npx webpack --config webpack.config.js 然后上桌 http-server dist/我该如何解决?这甚至是正确的方法吗?谢谢。
1 回答
慕尼黑8549860
TA贡献1818条经验 获得超11个赞
你已经在你的依赖项中安装了 webpack-cli,所以你不必在命令中添加配置:
首先在你的 Package.json 中添加 Webpack 脚本:
"scripts": {
"watch": "webpack --watch",
},
当你运行npm run watch--watch webpack 将继续观察任何已解析文件的变化。
对于服务器,我推荐你webpack-dev-server
npm i webpack-dev-server
可用于快速开发应用程序
module.exports = {
//...
devServer: {
contentBase: path.join(__dirname, 'dist'),
compress: true,
port: 9000
}
};
并将其添加到您的 npm 脚本中
"scripts": {
"watch": "webpack --watch",
"start": "webpack-dev-server --hot --open",
}
现在我们可以run npm start从命令行看到我们的浏览器自动加载我们的页面。如果您现在更改任何源文件并保存它们,Web 服务器将在代码编译后自动重新加载。
建议:您必须在 dist 或插件中添加 html 文件以用于 webpack HtmlWebpackPlugin
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