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To reduce JavaScript and TypeScript bundle size, you can prune unused dependencies and apply tree-shaking. This involves baselining current sizes, analyzing dependency usage, and iteratively discarding unnecessary code.

Tree-shaking optimizes JS bundles by eliminating dead code and unused exports during the build process. It analyzes dependency usage to discard modules that are never imported, resulting in a smaller final distribution.

To start analyzing your bundle for missed tree-shaking opportunities, you need a package.json, a build script, and a dist or build output. These allow the optimizer to measure results and produce a report.

Yes, you can use this bundle optimization approach for a web app to meet performance budgets. It trims bloated initial bundles by pruning dependencies and enabling lazy loading through iterative code-splitting.

The best way to remove unused dependencies from a TypeScript project is to perform an opportunity analysis. This detects bundler inefficiencies and unused packages, allowing you to apply keep and discard cycles iteratively.

Reducing bundle sizes without proper build output limits optimization measurement. Without a dist or build directory generated from a build script, the tool cannot establish a baseline or produce an accurate optimization report.