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Typescript tree shaking. module to es2015 or equivalent.
Typescript tree shaking. It is performed by application bundlers such as Webpack or Rollup but was initially implemented by Rollup. Tree Shaking and Dead Code Elimination in TypeScript: Tree shaking is a term commonly used in the context of JavaScript tooling to describe the process of removing unused code (dead code) from the final bundle during the build process. It will eliminate dead code if they have ES2015 module format. Utilizing the tree shaking and dead code elimination can significantly reduce the code size we have in our application. Jun 12, 2025 路 By following this guide and practicing with real-world projects, you’ll become proficient in using TypeScript tree-shaking to create high-performance, maintainable applications. In this article, we dive deeper on how exactly it works and how specs and practice intertwine to make bundles leaner and more performant. Jun 19, 2017 路 production bundle with just those lodash functions, that are used ( not the whole library ) typescript valid code without errors ( correct lodash typings ) all tests passing Webpack is ES2015 Nov 18, 2021 路 I'm building a re-usable telemetry library using TypeScript and OpenTelemetry. Jun 24, 2025 路 Master tree shaking: dead code elimination in TypeScript with practical examples, best practices, and real-world applications 馃殌 This repository shows how to configure Typescript and Webpack to enable tree-shaking. It relies on the static structure of ES2015 module syntax, i. e. Nov 2, 2022 路 Tree-shaking Tree-shaking is eliminating dead code and unused exports from your bundle. module to es2015 or equivalent. import and export. May 14, 2021 路 “Tree-shaking” is a must-have performance optimization when bundling JavaScript. Webpack only marks unused code at bundling and leaves the removing part to minifiers. I'm trying to see how I can implement tree-shaking such that consumer can import only the modules they need and not. Aug 25, 2017 路 Excluding that unused code (also referred as dead code) is called tree shaking. With CJS even if you only going to use a simple Card component let's say, if it is not tree-shakable library, you need to download the whole library and add it to your vendor chunk eventually. Is there any way to enable this feature without webpack? Tree shaking is a term commonly used in the JavaScript context for dead-code elimination. For tree shaking to work with TypeScript, you have to set compilerOptions. The idea is to retain ES2015 module definitions for webpack to process as it needs the information for tree shaking. Apr 13, 2021 路 Tree shaking is a way to achieve dead code elimination by detecting which exports are unused in our application. Feb 20, 2025 路 The challenge is organising your exports to achieve maximum tree-shaking efficiency, avoid naming collisions, and offer a seamless experience for value and type-only imports. This is why all the code is included in development builds in Nov 6, 2019 路 I have a plugin created with Typescript and I need activate Tree-shaking in this plugin. gjnededswoacoiixgjmytebcbckcmfkuggwobvyoo