What is tree shaking in Angular?

What is tree shaking in Angular?

Tree shaking is a term used in JavaScript bundlers to eliminate unused code. In Angular, it helps reduce the bundle size by removing code that isn't actually used in the application.

How does tree shaking improve performance?

By removing unused code, tree shaking reduces the amount of JavaScript that needs to be downloaded and executed, leading to faster load times and improved performance.

Is tree shaking automatic in Angular?

Yes, Angular's build process automatically performs tree shaking when you build your application for production, as long as you use the Angular CLI.

Can I control what gets tree shaken?

While you can't directly control tree shaking, you can influence it by using ES6 module syntax and avoiding side effects in your code.

What tools can I use to analyze tree shaking?

You can use tools like Webpack Bundle Analyzer or Source Map Explorer to visualize and analyze the effects of tree shaking in your Angular application.