react-refresh-webpack-plugin
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[Meta] Webpack 5 Module Federation - Errors
(node:50522) UnhandledPromiseRejectionWarning: Error: Cannot find module 'webpack/lib/ParserHelpers' Require stack:
- /Users/ken/Desktop/develop/MicroFE/emp-workspace/node_modules/@pmmmwh/react-refresh-webpack-plugin/src/index.js
- /Users/ken/Desktop/develop/MicroFE/emp-workspace/packages/emp-cli/webpack/config/plugin.js
- /Users/ken/Desktop/develop/MicroFE/emp-workspace/packages/emp-cli/webpack/config/common.js
- /Users/ken/Desktop/develop/MicroFE/emp-workspace/packages/emp-cli/helpers/project.js
- /Users/ken/Desktop/develop/MicroFE/emp-workspace/packages/emp-cli/scripts/dev.js
- /Users/ken/Desktop/develop/MicroFE/emp-workspace/packages/emp-cli/bin/emp.js
at Function.Module._resolveFilename (internal/modules/cjs/loader.js:794:15)
at Function.Module._load (internal/modules/cjs/loader.js:687:27)
at Module.require (internal/modules/cjs/loader.js:849:19)
at require (internal/modules/cjs/helpers.js:74:18)
at Object.
(/Users/ken/Desktop/develop/MicroFE/emp-workspace/node_modules/@pmmmwh/react-refresh-webpack-plugin/src/index.js:6:23) at Module._compile (internal/modules/cjs/loader.js:956:30) at Object.Module._extensions..js (internal/modules/cjs/loader.js:973:10) at Module.load (internal/modules/cjs/loader.js:812:32) at Function.Module._load (internal/modules/cjs/loader.js:724:14) at Module.require (internal/modules/cjs/loader.js:849:19) (node:50522) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 2) (node:50522) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.
Hi, can you please state the version of:
- the plugin;
- Webpack;
Providing me just the error stack trace is not helpful to say the least, because there is not much stuff for me to trace.
webpack: 5 beta 18 plugin version: "@pmmmwh/react-refresh-webpack-plugin": "^0.4.0-beta.5", "react-refresh": "^0.8.3",
update =>"@pmmmwh/react-refresh-webpack-plugin": "^0.4.0-beta.6"
use module federation
Did you include the webpack.HotModuleReplacementPlugin in your Webpack configuration? If not, this plugin won't work.
With webpack-dev-server you can use either of the hot/hotOnly options, and with other development means you'll have to include it manually.
I've tested with module federation (with Webpack master, cause there' some bugs with module cache in beta.18) and everything works fine.
Did you include the
webpack.HotModuleReplacementPluginin your Webpack configuration? If not, this plugin won't work.With
webpack-dev-serveryou can use either of thehot/hotOnlyoptions, and with other development means you'll have to include it manually.I've tested with module federation (with Webpack master, cause there' some bugs with module cache in beta.18) and everything works fine.
nice

no work for me!
devServer
module.exports = {
devServer: {
host: 'localhost',
port: 8000,
disableHostCheck: true,
historyApiFallback: true,
hot: true,
stats: {
colors: true,
},
},
}
// module
scripts: {
test: /\.(js|jsx|ts|tsx)$/,
exclude: /node_modules/,
use: {
babel: {
loader: 'babel-loader',
options: {
presets: ['@babel/preset-env', '@babel/preset-typescript', '@babel/preset-react'],
plugins: [
//
['import', {libraryName: 'antd', style: true}],
isDev && require.resolve('react-refresh/babel'),
//
],
},
},
},
},
// plugin
if (isDev) {
conf.plugin.reacthotloader = {
plugin: ReactRefreshWebpackPlugin,
args: [{}],
}
}
when remove exposes it work!

when remove exposes it work!
The issues you're facing is due to a bug in [email protected]. if you use webpack master, these issues goes away. If they don't, or if you have any further questions, it is most likely not due to this plugin - we plug into Webpack's HMR runtime and if the HMR runtime errors out for module federation we can do nothing.
Side note: I would suggest adding react-refresh/runtime to shared singleton - you can also pin the version.
no work also!
go to beta 20
go to beta 20
There are the same problems
@ScriptedAlchemy it seems that on full refresh HMR will throw (but it actually does not affect modules updating ...)
I've tested with basic-host-remote with the following changes:
package.json for both app1 and app2:
"@babel/preset-react": "7.10.1",
+ "@pmmmwh/react-refresh-webpack-plugin": "^0.4.0-beta.6",
"babel-loader": "8.1.0",
"bundle-loader": "0.5.6",
"html-webpack-plugin": "git://github.com/ScriptedAlchemy/html-webpack-plugin#master",
+ "react-refresh": "^0.8.3",
"serve": "11.3.2",
webpack.config.json for both app1 and app2:
+ const ReactRefreshPlugin = require("@pmmmwh/react-refresh-webpack-plugin");
const HtmlWebpackPlugin = require("html-webpack-plugin");
const { ModuleFederationPlugin } = require("webpack").container;
const path = require("path");
module.exports = {
entry: "./src/index",
mode: "development",
devServer: {
contentBase: path.join(__dirname, "dist"),
+ hot: true,
port: 3001,
},
// ...
module: {
+ // Quite a bit of change in this block
rules: [
{
test: /bootstrap\.js$/,
use: [
{
loader: "bundle-loader",
options: {
lazy: true,
},
},
{
loader: 'babel-loader',
options: {
presets: ["@babel/preset-react"],
}
},
],
},
{
test: /\.jsx?$/,
loader: "babel-loader",
exclude: [/node_modules/, /bootstrap\.js$/],
options: {
+ plugins: ['react-refresh/babel'],
presets: ["@babel/preset-react"],
},
},
],
},
plugins: [
new ModuleFederationPlugin({
// app specific
shared: ["react", "react-dom"],
}),
new HtmlWebpackPlugin({
template: "./public/index.html",
}),
+ new ReactRefreshPlugin({
+ exclude: [/node_modules/, /bootstrap\.js$/],
+ }),
],
};
webpack config for development
{
mode: 'development',
devtool: 'inline-source-map',
output: {
path: '/Users/ken/Desktop/develop/MicroFE/emp-workspace/projects/antd-base/dist',
filename: 'js/[name].[contenthash:8].js',
publicPath: 'http://localhost:8003/'
},
resolve: {
alias: {
src: '/Users/ken/Desktop/develop/MicroFE/emp-workspace/projects/antd-base/src'
},
extensions: [
'.js',
'.jsx',
'.ts',
'.tsx',
'.css',
'.less',
'.scss',
'.sass',
'.json'
],
modules: [
'node_modules',
'/Users/ken/Desktop/develop/MicroFE/emp-workspace/projects/antd-base/node_modules',
'/Users/ken/Desktop/develop/MicroFE/emp-workspace/projects/antd-base/src'
]
},
devServer: {
host: 'localhost',
port: 8003,
disableHostCheck: true,
historyApiFallback: true,
open: false,
hot: true,
stats: {
colors: true
}
},
module: {
rules: [
/* config.module.rule('css') */
{
test: /\.css$/,
exclude: [
/\.module\.css$/
],
use: [
/* config.module.rule('css').use('style') */
{
loader: '/Users/ken/Desktop/develop/MicroFE/emp-workspace/node_modules/style-loader/dist/cjs.js'
},
/* config.module.rule('css').use('css') */
{
loader: '/Users/ken/Desktop/develop/MicroFE/emp-workspace/node_modules/css-loader/dist/cjs.js'
}
]
},
/* config.module.rule('cssModule') */
{
test: /\.module\.css$/,
exclude: [
/\.css$/
],
use: [
/* config.module.rule('cssModule').use('style') */
{
loader: '/Users/ken/Desktop/develop/MicroFE/emp-workspace/node_modules/style-loader/dist/cjs.js'
},
/* config.module.rule('cssModule').use('css') */
{
loader: '/Users/ken/Desktop/develop/MicroFE/emp-workspace/node_modules/css-loader/dist/cjs.js',
options: {
modules: true
}
}
]
},
/* config.module.rule('sassModule') */
{
test: /\.module\.(scss|sass)$/,
exclude: [
/\.(scss|sass)$/
],
use: [
/* config.module.rule('sassModule').use('style') */
{
loader: '/Users/ken/Desktop/develop/MicroFE/emp-workspace/node_modules/style-loader/dist/cjs.js'
},
/* config.module.rule('sassModule').use('css') */
{
loader: '/Users/ken/Desktop/develop/MicroFE/emp-workspace/node_modules/css-loader/dist/cjs.js',
options: {
modules: true
}
},
/* config.module.rule('sassModule').use('sass') */
{
loader: '/Users/ken/Desktop/develop/MicroFE/emp-workspace/node_modules/sass-loader/dist/cjs.js',
options: {
implementation: {
render: function () {
return _call(f, Array.prototype.slice.apply(arguments));
},
renderSync: function () {
return _call(f, Array.prototype.slice.apply(arguments));
},
info: 'dart-sass\t1.26.7\t(Sass Compiler)\t[Dart]\ndart2js\t2.8.2\t(Dart Compiler)\t[Dart]',
types: {
Boolean: function () {
return _call(f, Array.prototype.slice.apply(arguments));
},
Color: function () {
return _call(f, this, Array.prototype.slice.apply(arguments));
},
List: function () {
return _call(f, this, Array.prototype.slice.apply(arguments));
},
Map: function () {
return _call(f, this, Array.prototype.slice.apply(arguments));
},
Null: function () {
return _call(f, Array.prototype.slice.apply(arguments));
},
Number: function () {
return _call(f, this, Array.prototype.slice.apply(arguments));
},
String: function () {
return _call(f, this, Array.prototype.slice.apply(arguments));
},
Error: function Error() { [native code] }
},
NULL: {
toString: function () {
return _call(f, Array.prototype.slice.apply(arguments));
}
},
TRUE: {
value: true
},
FALSE: {
value: false
},
cli_pkg_main_0_: function () {
return _call(f, Array.prototype.slice.apply(arguments));
}
},
sourceMap: true
}
}
]
},
/* config.module.rule('sass') */
{
test: /\.(scss|sass)$/,
exclude: [
/\.module\.(scss|sass)$/
],
use: [
/* config.module.rule('sass').use('style') */
{
loader: '/Users/ken/Desktop/develop/MicroFE/emp-workspace/node_modules/style-loader/dist/cjs.js'
},
/* config.module.rule('sass').use('css') */
{
loader: '/Users/ken/Desktop/develop/MicroFE/emp-workspace/node_modules/css-loader/dist/cjs.js'
},
/* config.module.rule('sass').use('sass') */
{
loader: '/Users/ken/Desktop/develop/MicroFE/emp-workspace/node_modules/sass-loader/dist/cjs.js',
options: {
implementation: {
render: function () {
return _call(f, Array.prototype.slice.apply(arguments));
},
renderSync: function () {
return _call(f, Array.prototype.slice.apply(arguments));
},
info: 'dart-sass\t1.26.7\t(Sass Compiler)\t[Dart]\ndart2js\t2.8.2\t(Dart Compiler)\t[Dart]',
types: {
Boolean: function () {
return _call(f, Array.prototype.slice.apply(arguments));
},
Color: function () {
return _call(f, this, Array.prototype.slice.apply(arguments));
},
List: function () {
return _call(f, this, Array.prototype.slice.apply(arguments));
},
Map: function () {
return _call(f, this, Array.prototype.slice.apply(arguments));
},
Null: function () {
return _call(f, Array.prototype.slice.apply(arguments));
},
Number: function () {
return _call(f, this, Array.prototype.slice.apply(arguments));
},
String: function () {
return _call(f, this, Array.prototype.slice.apply(arguments));
},
Error: function Error() { [native code] }
},
NULL: {
toString: function () {
return _call(f, Array.prototype.slice.apply(arguments));
}
},
TRUE: {
value: true
},
FALSE: {
value: false
},
cli_pkg_main_0_: function () {
return _call(f, Array.prototype.slice.apply(arguments));
}
},
sourceMap: true
}
}
]
},
/* config.module.rule('less') */
{
test: /\.less$/,
exclude: [
/\.module\.less$/
],
use: [
/* config.module.rule('less').use('style') */
{
loader: '/Users/ken/Desktop/develop/MicroFE/emp-workspace/node_modules/style-loader/dist/cjs.js'
},
/* config.module.rule('less').use('css') */
{
loader: '/Users/ken/Desktop/develop/MicroFE/emp-workspace/node_modules/css-loader/dist/cjs.js'
},
/* config.module.rule('less').use('sass') */
{
loader: '/Users/ken/Desktop/develop/MicroFE/emp-workspace/node_modules/less-loader/dist/cjs.js',
options: {
lessOptions: {
javascriptEnabled: true
}
}
}
]
},
/* config.module.rule('lessModule') */
{
test: /\.module\.less$/,
exclude: [
/\.less$/
],
use: [
/* config.module.rule('lessModule').use('style') */
{
loader: '/Users/ken/Desktop/develop/MicroFE/emp-workspace/node_modules/style-loader/dist/cjs.js'
},
/* config.module.rule('lessModule').use('css') */
{
loader: '/Users/ken/Desktop/develop/MicroFE/emp-workspace/node_modules/css-loader/dist/cjs.js',
options: {
modules: true
}
},
/* config.module.rule('lessModule').use('sass') */
{
loader: '/Users/ken/Desktop/develop/MicroFE/emp-workspace/node_modules/less-loader/dist/cjs.js',
options: {
lessOptions: {
javascriptEnabled: true
}
}
}
]
},
/* config.module.rule('image') */
{
test: /\.(png|jpe?g|gif|svg)$/i,
use: [
/* config.module.rule('image').use('file') */
{
loader: '/Users/ken/Desktop/develop/MicroFE/emp-workspace/node_modules/file-loader/dist/cjs.js'
}
]
},
/* config.module.rule('scripts') */
{
test: /\.(js|jsx|ts|tsx)$/,
exclude: [
/node_modules/
],
use: [
/* config.module.rule('scripts').use('babel') */
{
loader: 'babel-loader',
options: {
presets: [
'@babel/preset-env',
'@babel/preset-typescript',
'@babel/preset-react'
],
plugins: [
[
'import',
{
libraryName: 'antd',
style: true
}
],
'/Users/ken/Desktop/develop/MicroFE/emp-workspace/node_modules/react-refresh/babel.js'
]
}
}
]
}
]
},
optimization: {
chunkIds: 'named',
usedExports: true
},
plugins: [
/* config.plugin('env') */
new EnvironmentPlugin(
{
MODE_ENV: 'development',
EMP_ENV: 'dev'
}
),
/* config.plugin('clean') */
new CleanWebpackPlugin(ndefine),
/* config.plugin('html') */
new HtmlWebpackPlugin(
{
title: 'EMP BASE',
template: '/Users/ken/Desktop/develop/MicroFE/emp-workspace/packages/emp-cli/template/public/index.html',
favicon: '/Users/ken/Desktop/develop/MicroFE/emp-workspace/packages/emp-cli/template/public/favicon.ico',
files: {},
minify: false
}
),
/* config.plugin('progress') */
new ProgressPlugin(
{
handler: function () { /* omitted long function */ }
}
),
/* config.plugin('mf') */
new ModuleFederationPlugin(
{
name: 'empBase',
library: {
type: 'var',
name: 'empBase'
},
filename: 'emp.js',
remotes: {},
exposes: {
'./App': 'src/App',
'./stores/index': 'src/stores/index',
'./components/common/crud/index': 'src/components/common/crud/index',
'./components/common/RouterComp': 'src/components/common/RouterComp'
},
shared: {
react: {
eager: true,
singleton: true,
requiredVersion: '^16.13.1'
},
'react-dom': {
eager: true,
singleton: true,
requiredVersion: '^16.13.1'
},
'react-router-dom': {
requiredVersion: '^5.1.2'
},
'mobx-react-lite': {
requiredVersion: '^1.5.2'
},
mobx: {
requiredVersion: '^5.15.4'
},
axios: {
requiredVersion: '^0.19.2'
}
}
}
),
/* config.plugin('ts') */
new ForkTsCheckerWebpackPlugin(
{
tsconfig: '/Users/ken/Desktop/develop/MicroFE/emp-workspace/projects/antd-base/tsconfig.json'
}
),
/* config.plugin('reacthotloader') */
new ReactRefreshPlugin(
{}
)
],
entry: {
index: [
'/Users/ken/Desktop/develop/MicroFE/emp-workspace/projects/antd-base/src/index.ts'
]
}
}
"@pmmmwh/react-refresh-webpack-plugin": "https://github.com/pmmmwh/react-refresh-webpack-plugin#main",
it no work for me https://github.com/module-federation/module-federation-examples/issues/138#issuecomment-654614565
I won't have time to test module federation this week most likely, but from what I see in the screenshot it is some sort of error within Webpack's JSONP HMR runtime - which is way out of scope of this plugin.
@ckken I would suggest you redirect your troubleshooting to webpack/webpack#10352 (I will join the discussion if I see anything related), with a minimal reproducible example (like how I did upstairs, strip away all unrelated stuff e.g. CSS and focus on MF) so that Tobias/Zack can have a failing baseline to build on (think of TDD - the example acts as a test where we implement code to make it pass). While screenshots shows traces of where the error originates without the whole picture it is difficult for anyone to track down issues, especially when it is tech like this that orchestrates stuff.
(Also - I'm not an expert on Webpack 5, so maybe the current implementation for Webpack 5 is somewhat flawed for an app running with MF, but so far I haven't seen any ...)
mark
From #195, reported by @shaodahong
Report: shaodahong/module-federation-react-refresh-demo
if change some text trigger refresh, console log some error
@pmmmwh @ScriptedAlchemy
Relate https://github.com/webpack/webpack-dev-server/issues/2692
Now webpack-dev-server release v4.0.0-beta.0, it's resolved multiple entrypoint hot refresh, and if still has an error, can report to webpack-dev-server


git clone https://github.com/efoxTeam/emplerna bootstrapcd projects && yarn dev:hot- change
https://github.com/efoxTeam/emp/blob/main/projects/demo1/src/bootstrap.tsx& throw error
Fixed cross domain issues, but page changed from hot to refresh

I found that there would be problems when project a was import into project B
like hot replace and liveReload both active, liveReload it's fallback
liveReload is disabled
I found possible problems
@pmmmwh not sure if this is related, but as @shaodahong mentioned webpack-dev-server just released v4.0.0-beta.0; and as I just tried it out, I found that fast-refresh no-longer works.
I have a reproducible repo, please take a look at this PR. After upgrading to [email protected]. If you run the app using yarn start and try to hit the + button a few time to increase the age, then you try to make some trivial change in App.tsx the page is reloaded, and the age is reset to 10.
@pmmmwh if you would like me to file a separate issue, please let me know.
