The answer
Tree shaking works best with ES Modules because imports and exports can be analyzed statically.
What Is Tree Shaking in JavaScript?
Does tree shaking work with all module systems?
More FAQs in What Is Tree Shaking in JavaScript?
Tree shaking is a build-time optimization technique that removes unused code from the final JavaScript bundle.
It reduces bundle size, improves load times, and enhances application performance.
Tree shaking removes unused code, while code splitting divides code into multiple bundles.
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