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Quick Start Guide

Before reading this guide, please first read the Setting Up Environment. This guide will lead you step by step to learn how to use Module Federation. We will build two independent Single Page Applications (SPAs) that will share components using Module Federation. If you encounter unfamiliar terms in the following text, please refer to the Glossary.

Note: You can also use Nx to rapidly scaffold Module Federation projects for React and Angular.

Creating a New Project

Module Federation provides the create-module-federation tool to create projects. You don't need to install it globally; you can directly use npx to run it on-demand.

You can use create-module-federation to create a Module Federation project by running the following command:

npm
yarn
pnpm
npm create module-federation@latest

Just follow the prompts step by step. During the creation process, you can select the project type, role type, etc.

Templates

When creating a project, you can choose from the following templates provided by create-module-federation:

Template Description
provider-modern A provider using Modern.js
provider-rsbuild A provider using Rsbuild
provider-rslib A provider using Rslib
provider-rslib-storybook A provider using Rslib with the storybook feature enabled
consumer-modern A consumer using Modern.js
consumer-rsbuild A consumer using Rsbuild

Quick Creation

create-module-federation provides some CLI options. By setting these CLI options, you can skip the interactive selection steps and create a project with one click.

For example, to create a Modern.js provider project named provider in the my-project directory with one click:

npx create-module-federation --dir my-project --template provider-modern --name provider

# Use abbreviations
npx create-module-federation -d my-project -t provider-modern -n provider

The complete CLI options for create-module-federation are as follows:

Usage: create-module-federation [options]

Options:

  -h, --help       display help for command
  -d, --dir        create project in specified directory
  -t, --template   specify the template to use
  -n, --name       specify the mf name
  -r, --role       specify the mf role type: provider or consumer
  --override       override files in target directory

Templates:

  provider-modern, provider-rsbuild, provider-rslib, provider-rslib-storybook, consumer-modern, consumer-rsbuild

Create a provider

Execute the create-module-federation command, select the required framework and type according to your needs, and select the role type as provider to create a project.

Here we take creating an rsbuild provider project as an example:

➜  ~  ✗ npm create module-federation@latest

> npx
> create-module-federation

◆  Create Module Federation Project
│
◇  Please input Module Federation name:
│  mf_provider
│
◇  Please select the type of project you want to create:
│  Application
│
◇  Select template
│  Rsbuild
│
◇  Please select the role of project you want to create:
│  Provider
│
◇  Next steps ─────╮
│                  │
│  cd mf_provider  │
│  npm install     │
│  npm run dev     │
│                  │
├──────────────────╯
│
└  Done.

Create a consumer

Execute the create-module-federation command, select the required framework and type according to your needs, and select the role type as consumer to create a project.

Here is an example of creating an rsbuild consumer project:

➜  ~  ✗ npm create module-federation@latest

> npx
> create-module-federation

◆  Create Module Federation Project
│
◇  Please input Module Federation name:
│  mf_consumer
│
◇  Please select the type of project you want to create:
│  Application
│
◇  Select template
│  Rsbuild
│
◇  Please select the role of project you want to create:
│  Consumer
│
◇  Next steps ─────╮
│                  │
│  cd mf_provider  │
│  npm install     │
│  npm run dev     │
│                  │
├──────────────────╯
│
└  Done.

Replace provider

The default consumer project created will consume a published provider. If you want to replace the provider, you need to modify the remotes configuration in module-federation.config.ts.

module-federation.config.ts
import { createModuleFederationConfig } from '@module-federation/rsbuild-plugin';

export default createModuleFederationConfig({
  name: 'mf_consumer',
  remotes: {
-   'provider': 'rslib_provider@https://unpkg.com/module-federation-rslib-provider@latest/dist/mf/mf-manifest.json',
+   'provider': 'rslib_provider@http://localhost:3000/mf-manifest.json',
  },
  shared: {
    react: { singleton: true },
    'react-dom': { singleton: true },
  },
});

Existing project integration

If you want to integrate Module Federation into an existing project, you can refer to docs.

Summary

Through the above process, you have completed the export of a component from a 'provider' for use by a 'consumer' based on Module Federation. Along the way, you have preliminarily used and understood the configurations of remotes, exposes, and shared in the Module Federation plugin.

If you wish to learn how to directly export and consume remote modules on Webpack and Rspack build tools, you can refer to: Rspack Plugin, Webpack Plugin

Next Steps

You may want to:

Feature Navigation

Learn about all the features provided by Module Federation

Review Configuration

Learn how to configure Module Federation

Glossary of Terms

Understand the concepts related to Module Federation

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