mirrors/module-federation4

module-federation4

webpack-plugin-module-federation for Webpack4, backport from https://github.com/ScriptedAlchemy/webpack-external-import

State

not production ready at present.

Usage

npm install --save-dev webpack-plugin-module-federation

Configure your webpack.config.js

const ModuleFederationPlugin = require('webpack-plugin-module-federation');

module.exports = {
    output: {
        publicPath: 'http://localhost:3002/',
    },
    plugins: [
        new ModuleFederationPlugin({
            name: '_federation_website2',
            library: 'website2',
            filename: 'remoteEntry.js',
            libraryTarget: 'global',
            remotes: {
                'website1': 'website1'
            },
            expose: {
                Title: './src/Title',
                App: './src/App'
            },
        }),
    ]
};

Import module from remote

In remote project, configure webpack.config.js.

const ModuleFederationPlugin = require('webpack-plugin-module-federation');

module.exports = {
    output: {
        publicPath: 'http://localhost:3001/',
    },
    plugins: [
        new ModuleFederationPlugin({
            name: '_federation_website1',
            library: 'website1',
            filename: 'remoteEntry.js',
            libraryTarget: 'global',
            remotes: {
                'website2': '_federation_website2'
            },
            expose: {
                App: './src/App'
            },
        }),
    ]
};

Add remoteEntry in your HTML

<html>
    <head>
        <script src="http://localhost:3002/remoteEntry.js"></script>
    </head>
    <body>
        <div id="app"></div>
    </body>
</html>

Then use dynamic import

import React, { lazy, Suspense, useState } from 'react';
import Footer from './Footer';

const Title = lazy(() => import('website2/Title')); // federated

export default () => {
    return (
        <>
            <Suspense fallback={'fallback'}>
                <Title />
            </Suspense>
            <p>
                This app loads the heading above from website2, and doesnt expose
                anything itself.
            </p>
            <Footer />
        </>
    );
};

Exmaple

See examples here.

git clone 
yarn install
yarn build
yarn install:example
yarn dev:example

Open http://localhost:3001

Preview

preview