Module Bundler
Noun · Development
Definitions
A build tool — such as webpack, Rollup, or esbuild — that resolves the dependency graph of JavaScript (or TypeScript) modules, combines them into one or more optimized bundles, and applies transforms like transpilation, tree-shaking, and code-splitting for efficient browser delivery.
In plain English: A tool that takes all the separate code files in a web project and packages them into compact files a browser can load quickly.
Example: "Switching the module bundler from webpack to esbuild cut our build time from 45 seconds to under 2."