Created
March 22, 2019 06:10
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| export { getResult }; | |
| function getResult() { | |
| return 42; | |
| } | |
| // If you uncomment this, HRM in `main.js` will stop work and `getResult()` will return 42 everytime | |
| //if (module.hot) module.hot.accept(); |
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| import { getResult } from './dep.js'; | |
| let button = document.getElementById('button'); | |
| let resultEl = document.getElementById('result'); | |
| button.addEventListener('click', function() { | |
| resultEl.textContent = '' + getResult(); | |
| }); | |
| if (module.hot) module.hot.accept('./dep.js'); |
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| { | |
| "name": "webpack-hrm-bug", | |
| "version": "1.0.0", | |
| "description": "", | |
| "main": "webpack.config.js", | |
| "scripts": { | |
| "test": "echo \"Error: no test specified\" && exit 1" | |
| }, | |
| "author": "", | |
| "license": "ISC", | |
| "dependencies": { | |
| "webpack": "^4.29.6", | |
| "webpack-cli": "^3.3.0", | |
| "webpack-dev-server": "^3.2.1" | |
| } | |
| } |
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| const path = require('path'); | |
| const webpack = require('webpack'); | |
| let config = { | |
| mode: 'development', | |
| entry: { | |
| main: path.resolve(__dirname, 'main.js'), | |
| }, | |
| output: { | |
| filename: '[name].js', | |
| path: path.resolve(__dirname, 'dist'), | |
| }, | |
| plugins: [new webpack.HotModuleReplacementPlugin()], | |
| devServer: { | |
| hotOnly: true, | |
| before: function(app, server) { | |
| app.use((req, res, next) => { | |
| if (req.path !== '/' && req.path !== '/index.html') { | |
| next(); | |
| return; | |
| } | |
| res.setHeader('Content-Type', 'text/html'); | |
| res.end('<!doctype html><html><head><meta charset="utf-8"></head><body><div><button id="button">Call fun()</button></div><div id="result"></div><script src="main.js"></script></body></html>'); | |
| }); | |
| }, | |
| }, | |
| }; | |
| module.exports = config; |
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