In Webpack, static module bundling refers to the process of analyzing, combining, and optimizing JavaScript modules (and other assets like CSS, images, etc.) at build time to generate one or more static bundles that can be efficiently loaded by the browser.
Webpack analyzes the dependency graph of your application before runtime (during the build process).
It resolves import, require, and other module dependencies to determine how files should be bundled.
Webpack starts from an entry point (e.g., index.js) and recursively includes all dependencies (libraries, modules, assets).
The result is a dependency graph that defines how modules relate to each other.
Webpack generates static bundles (usually .js and .css files) that contain all necessary code.
These bundles are optimized via: Minification (removing whitespace, shortening variable names), Tree Shaking (eliminating unused code), Code Splitting (breaking the bundle into smaller chunks for lazy loading).
Unlike dynamic bundling (where modules are loaded on-demand at runtime, e.g., via import()), static bundling happens ahead of time (AOT). This improves performance since the browser loads pre-optimized files.
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