What are the limitations of tree shaking in JavaScript?
Tree shaking is a technique used to eliminate dead code, but it has some limitations. For instance, it only works with ES6 modules, so if you're using CommonJS or other module formats, it won't be effective.
Can tree shaking remove all unused code?
Not necessarily. Tree shaking can only remove code that is statically analyzable. If the code is dynamically imported or if there are side effects, it may not be removed.
What about third-party libraries? Can tree shaking help with them?
It depends on how the library is structured. If the library is designed with tree shaking in mind (using ES6 modules), then yes, it can help reduce bundle size. Otherwise, it may not be effective.
Are there any tools that can help with tree shaking?
Yes, tools like Webpack, Rollup, and Parcel support tree shaking. They analyze your code and help eliminate unused exports.
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