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我有一个与帕格和手写笔快递应用程序。我配置了HMR中间件,它重新加载了触控笔更改,但不更改帕格。如何获取webpack热重载以检测pug + express中的更改?
我想知道是否缺少特定配置。我也尝试添加pug-html-loader
,但那也没用。
// server.js
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'pug');
const webpackDevMiddleware = require('./hmr').dev;
const webpackHotMiddleware = require('./hmr').hot;
app.use(webpackDevMiddleware);
app.use(webpackHotMiddleware);
// hmr.js
const webpackDevMiddleware = require('webpack-dev-middleware');
const webpackHotMiddleware = require('webpack-hot-middleware');
const webpack = require('webpack');
const webpackConfig = require('./webpack.config.js');
const compiler = webpack(webpackConfig);
exports.dev = webpackDevMiddleware(compiler, {
noInfo: true,
filename: webpackConfig.output.filename,
publicPath: webpackConfig.output.publicPath,
stats: {
colors: true
}
});
exports.hot = webpackHotMiddleware(compiler, {
log: console.log,
path: '/__webpack_hmr',
heartbeat: 10000
});
// webpack.config.js
const javascriptRule = {
test: /\.js$/,
use: [
{
loader: 'babel-loader',
options: {
presets: ['env']
}
}
]
};
const stylesRule = {
test: /\.styl$/,
use: ['style-loader', 'css-loader', 'stylus-loader']
};
module.exports = {
context: path.join(__dirname, 'javascripts'),
entry: [
'webpack-hot-middleware/client?path=/__webpack_hmr&timeout=20000',
'./index.js'
],
devtool: 'source-map',
output: {
path: path.join(__dirname, 'public', 'dist'),
filename: 'bundle.js',
publicPath: '/dist/',
library: 'aux'
},
module: {
rules: [javascriptRule, stylesRule]
},
plugins: [new webpack.HotModuleReplacementPlugin(), new webpack.NoEmitOnErrorsPlugin()]
}
帕格只是要在webpack中转换成Javascript,因此它不能自动加载自己,与style-loader不同,它已经内置了支持HMR更新的功能。为了让你的Pug文件兼容HMR,你需要使用'if(module.hot){module.hot.accept('等等。React是另一个支持HMR的插件,因为Pug只是一个模板引擎而不是类/对象组件您将必须自己处理HMR。请参阅此处的手动处理HMR的示例 - > https://webpack.js.org/guides/hot-module-replacement/ – Keith