Angular - Performance Optimization
In Angular routing, how do you configure the router to preload every lazy-loaded module automatically?
In Angular routing, how do you configure the router to preload every lazy-loaded module automatically?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Understand Angular preloading strategies
Angular provides built-in strategies likePreloadAllModulesto preload all lazy-loaded modules.Step 2: Configure router with preloading strategy
In theRouterModule.forRoot()method, setpreloadingStrategy: PreloadAllModulesto enable automatic preloading.Final Answer:
SetpreloadingStrategy: PreloadAllModulesin the router module imports -> Option DQuick Check:
PreloadAllModules preloads all lazy modules automatically [OK]
Quick Trick: Use PreloadAllModules in router config to preload all lazy modules [OK]
Common Mistakes:
- Confusing route data preload flags with global preloading strategy
- Using NoPreloading which disables preloading
- Manually importing lazy modules defeats lazy loading purpose
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