Micro Frontends Architecture with Module Federation · Pelajaran

Memperkenalkan Module Federation

Pahami gagasan utama di balik Module Federation dan cara kerjanya yang memungkinkan aplikasi membuka dan menggunakan modul secara dinamis.

Memperkenalkan Module Federation adalah pelajaran Micro Frontends Architecture with Module Federation gratis di CoddyKit. Ini adalah pelajaran 2 dari 4. Kamu bisa membaca pelajaran lengkapnya di bawah secara gratis — lalu praktikkan langsung di browser dengan editor kode bawaan dan tutor AI 24/7. Ini adalah bagian dari jalur belajar Micro Frontends Architecture with Module Federation, dan progresmu tersinkronisasi di web dan aplikasi CoddyKit. Kursus Micro Frontends Architecture with Module Federation mencakup 4 pelajaran total.

Bagian dari pelajaran ini belum diterjemahkan dan ditampilkan dalam bahasa Inggris.

What is Module Federation?

Welcome! In this lesson, we'll dive into Module Federation, a powerful feature of Webpack that's key to building modern Micro Frontends.

It allows different JavaScript applications to share and consume code from each other dynamically at runtime.

The Monolith Problem

Traditionally, large web applications are built as a single, giant codebase – a monolith. This can lead to:

Slow development cycles
Difficulty scaling teams
Tight coupling between parts

Module Federation helps overcome these challenges by enabling a more modular approach.

Dynamic Code Sharing

The core idea of Module Federation is dynamic code sharing. Instead of bundling all code together at build time, it lets applications load pieces of code from other applications at runtime.

Think of it like an app saying, "I need this component, and I know where to get it from another running app!"

Key Players: Host & Remote

In a Module Federation setup, we have two main types of applications:

Remote Application: This app exposes its code (components, functions) for others to use.
Host Application: This app consumes or uses the code exposed by a remote application.

An app can be both a host and a remote simultaneously!

Exposing Modules: Remote Apps

A remote application uses Webpack's ModuleFederationPlugin to declare which parts of its code it wants to expose. These exposed modules become available for other applications to consume.

Here's a simplified example of how a remote app might expose a Button component:

/* webpack.config.js (Remote App) */
const { ModuleFederationPlugin } = require('webpack').container;

module.exports = {
  // ... other webpack config
  plugins: [
    new ModuleFederationPlugin({
      name: 'remoteApp',
      filename: 'remoteEntry.js',
      exposes: {
        './Button': './src/Button.js',
      },
    }),
  ],
};

Consuming Modules: Host Apps

A host application also uses the ModuleFederationPlugin to specify which remote applications it wants to consume modules from. It provides a URL where the remote's entry file (e.g., remoteEntry.js) can be found.

Here's how a host app might declare its intent to use remoteApp:

/* webpack.config.js (Host App) */
const { ModuleFederationPlugin } = require('webpack').container;

module.exports = {
  // ... other webpack config
  plugins: [
    new ModuleFederationPlugin({
      name: 'hostApp',
      remotes: {
        remoteApp: 'remoteApp@http://localhost:8081/remoteEntry.js',
      },
    }),
  ],
};

How it Works: The Entry File

When a host application starts, it doesn't immediately load all remote code. Instead, it first loads a tiny file from the remote called remoteEntry.js.

This file acts as a manifest, telling the host what modules the remote exposes and how to dynamically load them if needed. Code is fetched only when requested!

The Power of Independent Deployments

One of the biggest advantages of Module Federation is enabling independent deployments.

Teams can develop, test, and deploy their micro frontends separately without coordinating a large, synchronized release for the entire application. This speeds up delivery and reduces risk.

Sharing More Than UI

Module Federation isn't just for sharing UI components. You can expose and consume various types of code:

Utility functions
Data services
React hooks or similar logic
Shared styles or themes

This allows for robust code reuse across your federated applications.

Test Your Knowledge

Module Federation introduces new ways for applications to interact. Which of the following statements correctly describe the core concepts?

Module Federation Recap

Great job! You've grasped the fundamental idea of Module Federation.

It's a Webpack feature for dynamic code sharing.
Apps can be hosts (consuming) or remotes (exposing).
It enables independent deployments and efficient code reuse.

Next, we'll look deeper into how host and remote applications are set up!

Pertanyaan yang Sering Diajukan

Apakah pelajaran “Memperkenalkan Module Federation” gratis?

Ya — teks lengkap “Memperkenalkan Module Federation” gratis dibaca di sini di web. Untuk praktiknya secara interaktif (editor kode bawaan dan tutor AI 24/7) dan buka sisa kursus Micro Frontends Architecture with Module Federation, upgrade ke CoddyKit PRO. Kursus Micro Frontends Architecture with Module Federation mencakup 4 pelajaran total.

Apa yang akan aku pelajari di “Memperkenalkan Module Federation”?

Pahami gagasan utama di balik Module Federation dan cara kerjanya yang memungkinkan aplikasi membuka dan menggunakan modul secara dinamis. Kamu berlatih Micro Frontends Architecture with Module Federation dengan kode praktik yang langsung kamu jalankan di browser, dan tutor AI 24/7 menjawab pertanyaanmu saat kamu mengerjakan pelajaran ini.

Apakah aku perlu pengalaman untuk memulai Micro Frontends Architecture with Module Federation?

Tidak diperlukan pengalaman sebelumnya. Micro Frontends Architecture with Module Federation di CoddyKit dirancang untuk pemula hingga pelajar tingkat lanjut, jadi kamu bisa memulai di sini atau dari awal dan belajar sesuai kecepatan kamu sendiri. Ini adalah pelajaran 2 dari 4.

Berapa lama pelajaran “Memperkenalkan Module Federation” memakan waktu?

Sebagian besar pelajaran CoddyKit memakan waktu sekitar 5–10 menit. Setiap pelajaran ringkas dan interaktif, jadi kamu membuat kemajuan stabil dan melanjutkan dari tempat kamu tinggalkan di web dan aplikasi.

Bisakah aku menulis dan menjalankan kode dalam pelajaran Micro Frontends Architecture with Module Federation ini?

Ya. Setiap pelajaran Micro Frontends Architecture with Module Federation menyertakan editor kode bawaan, jadi kamu menulis dan menjalankan kode nyata langsung di browser dan mendapatkan umpan balik AI instan — tidak diperlukan penyiapan lokal.

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