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Using forkJoin in Angular to perform multiple HTTP requests but wait until all done. – Kumar Gandhi Koppolu
Async guards should have the option to wait for previous guards to finish · Issue #40577 · angular/angular · GitHub
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angular - subscribe(next: null | undefined, error: (error: any) => void, complete?: () => void): Subscription; - Stack Overflow
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How to wait for an API call in canActivate auth guard in angular | Angular | Learn Smart Coding - YouTube
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typescript - how to wait for a function to complete its execution in angular 6 before executing the following code execution? - Stack Overflow
Perhaps Router Resolve shouldn't wait for Observable to Complete? · Issue #10556 · angular/angular · GitHub
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