Tree Shaking


Resource | v1 | created by jjones |
Type Web
Created unavailable
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Description

Tree shaking is a term commonly used in the JavaScript context for dead-code elimination. It relies on the static structure of ES2015 module syntax, i.e. import and export. The name and concept have been popularized by the ES2015 module bundler rollup. The webpack 2 release came with built-in support for ES2015 modules (alias harmony modules) as well as unused module export detection. The new webpack 4 release expands on this capability with a way to provide hints to the compiler via the "sideEffects" package.json property to denote which files in your project are "pure" and therefore safe to prune if unused.

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In computing, tree shaking is a dead code elimination technique that is applied when optimizing code...

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