Re-Execution conditions and lifecycle integration of Route Guards in Angular | Angular (Session-205)

Re-Execution Conditions and Lifecycle Integration of Route Guards in Angular | Angular Tutorial in Hindi (Session-205)

In this advanced Angular tutorial, we’ll explore when and why Angular re-executes Route Guards and how they are integrated into the component lifecycle. Understanding this concept helps build secure and optimized navigation flows in Angular applications.

📘 What You’ll Learn in This Video:

1.What is Re-Execution of Route Guards in Angular

2.When and why guards are re-triggered during navigation

3.How guards connect with component lifecycle events

4.Difference between initial execution and re-execution

5.Impact of route and query parameter changes

6.How lazy-loaded modules affect guard behavior

7.Angular’s internal process of evaluating guards and resolvers

8.Best practices to minimize unnecessary guard re-runs

🧠 Concept Breakdown:

🔹 Guard Execution Flow: Happens during every navigation decision
🔹 Re-Execution Triggers: Parameter or URL changes and re-navigation to same routes
🔹 Lifecycle Integration: Guards run before component initialization
🔹 Optimization Tip: Developers can control re-execution using configuration settings like runGuardsAndResolvers

FAQs (Re-Execution & Lifecycle of Route Guards)

Q1: What does guard re-execution mean in Angular?
Q2: When do route guards run again automatically?
Q3: How are guards related to Angular component lifecycle hooks?
Q4: What configuration options control guard re-execution?
Q5: How can redundant guard executions be avoided?

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