You want to preload only the 'admin' module but not the 'user' module in your Angular app. Which approach correctly implements this custom preloading strategy?

hard📝 Application Q15 of 15

Angular - Performance Optimization

ASet preloadingStrategy to NoPreloading and preload 'admin' module eagerly

BUse PreloadAllModules and then lazy load 'user' module manually

CCreate a class implementing PreloadingStrategy that preloads only routes with data.preload = true

DMark 'admin' module as eager loaded and 'user' as lazy loaded without preloading

Step-by-Step Solution

Solution:

Step 1: Understand custom preloading strategy
Angular allows creating a class implementing PreloadingStrategy to control which modules preload.
Step 2: Use route data property to select modules
By checking data.preload flag in routes, the strategy can preload only selected modules like 'admin'.
Final Answer:
Create a class implementing PreloadingStrategy that preloads only routes with data.preload = true -> Option C
Quick Check:
Custom strategy uses data.preload flag [OK]

Quick Trick: Use data.preload flag with custom PreloadingStrategy [OK]

Common Mistakes:

Using PreloadAllModules when selective preload is needed
Trying to preload modules eagerly without strategy
Confusing eager loading with preloading

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More Angular Quizzes

You want to preload only the 'admin' module but not the 'user' module in your Angular app. Which approach correctly implements this custom preloading strategy?

Step 1: Understand custom preloading strategy

Step 2: Use route data property to select modules

Final Answer:

Quick Check:

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