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What is the main purpose of tree shaking in Angular?

easy📝 Conceptual Q11 of 15
Angular - Performance Optimization
What is the main purpose of tree shaking in Angular?
ATo remove unused code and imports during the build process
BTo add extra debugging information to the app
CTo increase the size of the final bundle
DTo automatically update Angular dependencies
Step-by-Step Solution
Solution:

  1. Step 1: Understand tree shaking concept

    Tree shaking is a process that removes unused code and imports from the final build.

  2. Step 2: Identify its effect in Angular

    In Angular, tree shaking helps reduce app size by excluding code that is never used.

  3. Final Answer:

    To remove unused code and imports during the build process -> Option A

  4. Quick Check:

    Tree shaking = remove unused code [OK]
Quick Trick: Tree shaking removes unused code to shrink app size [OK]
Common Mistakes:
  • Thinking tree shaking adds code instead of removing
  • Confusing tree shaking with debugging tools
  • Believing tree shaking updates dependencies automatically

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