实际上,您的复制品在声明方面存在一些问题,它们与您当前的问题无关,但请注意以下几点:
- 不要将构建文件推送到git服务器,只发送源文件。
- 在生产构建中,在webpack上设置清理器以清除
public
文件夹。
- 将文件夹和文件重命名为它们确切执行的名称。
- 在开发依赖项中安装
nodemon
。
至于您的问题,我对您的复制品结构进行了许多更改,如果您没有时间阅读此答案,请查看this repo并获取您想要的内容。
- 将
app/index.js
更改为以下内容:
import express from 'express';
import routes from './routes';
import hotServerMiddleware from 'webpack-hot-server-middleware';
import devMiddleware from 'webpack-dev-middleware';
import hotMiddleware from 'webpack-hot-middleware';
import webpack from 'webpack';
const config = require('../webpack.config');
const compiler = webpack(config);
const app = express();
app.use(devMiddleware(compiler, {
watchOptions: {
poll: 100,
ignored: /node_modules/,
},
headers: { 'Access-Control-Allow-Origin': '*' },
hot: true,
quiet: true,
noInfo: true,
writeToDisk: true,
stats: 'minimal',
serverSideRender: true,
publicPath: '/public/'
}));
app.use(hotMiddleware(compiler.compilers.find(compiler => compiler.name === 'client')));
app.use(hotServerMiddleware(compiler));
const PORT = process.env.PORT || 4000;
routes(app);
app.listen(PORT, error => {
if (error) {
return console.error(error);
} else {
console.log(`Development Express server running at http://localhost:${PORT}`);
}
});
export default app;
- 在项目中安装
webpack-hot-server-middleware
,nodemon
和vue-server-renderer
,并将start
脚本更改为以下package.json
格式:
{
"name": "express-test",
"version": "1.0.0",
"main": "index.js",
"author": "Tanmay Mishu (tanmaymishu@gmail.com)",
"license": "MIT",
"scripts": {
"start": "NODE_ENV=development nodemon app --exec babel-node -e ./app/index.js",
"watch": "./node_modules/.bin/webpack --mode=development --watch",
"build": "./node_modules/.bin/webpack --mode=production",
"dev": "concurrently --kill-others \"npm run watch\" \"npm run start\""
},
"dependencies": {
"body-parser": "^1.19.0",
"csurf": "^1.11.0",
"dotenv": "^8.2.0",
"ejs": "^3.0.1",
"errorhandler": "^1.5.1",
"express": "^4.17.1",
"express-validator": "^6.3.1",
"global": "^4.4.0",
"mongodb": "^3.5.2",
"mongoose": "^5.8.10",
"multer": "^1.4.2",
"node-sass-middleware": "^0.11.0",
"nodemon": "^2.0.2",
"vue": "^2.6.11",
"vue-server-renderer": "^2.6.11"
},
"devDependencies": {
"babel-cli": "^6.26.0",
"babel-preset-env": "^1.7.0",
"babel-preset-stage-0": "^6.24.1",
"concurrently": "^5.1.0",
"css-loader": "^3.4.2",
"mini-css-extract-plugin": "^0.9.0",
"node-sass": "^4.13.1",
"nodemon": "^2.0.2",
"sass-loader": "^8.0.2",
"vue-loader": "^15.8.3",
"vue-style-loader": "^4.1.2",
"vue-template-compiler": "^2.6.11",
"webpack": "^4.41.5",
"webpack-cli": "^3.3.10",
"webpack-dev-middleware": "^3.7.2",
"webpack-hot-middleware": "^2.25.0",
"webpack-hot-server-middleware": "^0.6.0"
}
}
- 将整个webpack配置文件更改为以下内容:
const path = require('path');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const VueLoaderPlugin = require('vue-loader/lib/plugin');
const webpack = require('webpack');
module.exports = [
{
name: 'client',
target: 'web',
mode: 'development',
entry: [
'webpack-hot-middleware/client?reload=true',
'./resources/js/app.js',
],
devServer: {
hot: true
},
output: {
path: path.resolve(__dirname, 'public'),
filename: 'client.js',
publicPath: '/',
},
module: {
rules: [
{
test: /\.(sa|sc|c)ss$/,
use: [
{
loader: MiniCssExtractPlugin.loader,
options: {
hmr: process.env.NODE_ENV === 'development'
}
},
'css-loader',
'sass-loader'
],
},
{
test: /\.vue$/,
loader: 'vue-loader'
}
]
},
plugins: [
new VueLoaderPlugin(),
new MiniCssExtractPlugin({
filename: 'app.css'
}),
new webpack.HotModuleReplacementPlugin(),
new webpack.NoEmitOnErrorsPlugin(),
]
},
{
name: 'server',
target: 'node',
mode: 'development',
entry: [
'./resources/js/appServer.js',
],
devServer: {
hot: true
},
output: {
path: path.resolve(__dirname, 'public'),
filename: 'server.js',
publicPath: '/',
libraryTarget: 'commonjs2',
},
module: {
rules: [
{
test: /\.(sa|sc|c)ss$/,
use: [
{
loader: MiniCssExtractPlugin.loader,
options: {
hmr: process.env.NODE_ENV === 'development'
}
},
'css-loader',
'sass-loader'
],
},
{
test: /\.vue$/,
loader: 'vue-loader'
}
]
},
plugins: [
new VueLoaderPlugin(),
new MiniCssExtractPlugin({
filename: 'app.css'
}),
new webpack.HotModuleReplacementPlugin(),
new webpack.NoEmitOnErrorsPlugin(),
]
}
];
- 在
资源
文件夹内添加一个名为htmlRenderer.js
的文件:
export default html => `
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Tanmay Mishu</title>
<link rel="stylesheet" href="/app.css">
</head>
<body>
<div id="app">${html}</div>
<script src="/client.js"></script>
</body>
</html>`;
- 添加一个名为
appServer.js
的新文件,其代码应如下所示:
import Vue from 'vue';
import App from './components/App.vue';
import htmlRenderer from "../htmlRenderer";
const renderer = require('vue-server-renderer').createRenderer()
export default function serverRenderer({clientStats, serverStats}) {
Vue.config.devtools = true;
return (req, res, next) => {
const app = new Vue({
render: h => h(App),
});
renderer.renderToString(app, (err, html) => {
if (err) {
res.status(500).end('Internal Server Error')
return
}
res.end(htmlRenderer(html))
})
};
}
现在,只需运行
yarn start
,即可同时享受服务器端渲染和热重载。