Angular - Performance Optimization
In Angular, which technique allows you to delay the loading of a feature module until after a user successfully authenticates?
In Angular, which technique allows you to delay the loading of a feature module until after a user successfully authenticates?
hard📝 Application Q8 of 15
Step-by-Step Solution
Solution:
Step 1: Understand lazy loading with authentication
Angular provides route guards likecanLoadto control if a lazy loaded module should be loaded.Step 2: Identify correct approach
UsingcanLoadprevents the module from loading until the guard allows it, typically after authentication.Step 3: Eliminate incorrect options
Eagerly load the module and hide its components until login loads eagerly which defeats lazy loading, C preloads modules regardless of login, and D is manual and not dynamic.Final Answer:
Option A -> Option AQuick Check:
UsecanLoadguard to delay module loading [OK]
Quick Trick: Use canLoad guard to delay lazy loading until login [OK]
Common Mistakes:
- Eagerly loading modules instead of lazy loading
- Using preload strategies that ignore authentication
- Manually importing modules instead of lazy loading
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