What tools support tree shaking in JavaScript?
Tree shaking is a feature that helps eliminate dead code in JavaScript. Some popular tools that support tree shaking include Webpack, Rollup, and Parcel.
Can you explain how Webpack implements tree shaking?
Webpack uses static analysis to determine which parts of your code are actually used. By marking unused exports, it can exclude them from the final bundle.
Are there any specific configurations needed for tree shaking in Webpack?
Yes, you need to ensure that your code is using ES6 module syntax (import/export) and set the mode to 'production' in your Webpack configuration.
What about Rollup? How does it handle tree shaking?
Rollup is designed with tree shaking in mind. It analyzes the entire module graph and removes unused exports automatically, making it very efficient for libraries.
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