I have an application with two angular 14 components. One is parent and the
other is child component.
Parent component have an array of objects while child component add the
objects by fetching from a service method. Now I need to stop duplication
and service calls if a certain code is repeated/duplicated in a list of
object.
The problem is with async ngOnInit() : Promise<boolean> in child component.
There are four child components and I have added this duplication logic
let
resultSpi:MedicationPermissionModel = this.spiPerList &&
this.spiPerList.length > 0 ? this.spiPerList.find((x) => x.ProviderSpi &&
x.ProviderSpi.indexOf(this.medication.ProviderSpi) > -1):undefined;
if(!resultSpi) `
before calling to the *getProviderServiceLevelToPromise* function. I don't
want to call it fours times if spiPerList already have a Providerspi code.
But rather than checking the duplicate logic for each medicine or child
component , system stayed at the same line rather than control goes from
the very first line to the bottom lines, control goes four times till
*getProviderServiceLevelToPromise* service function but control flow
doesn't goes under it and recall it at top line of async ngOnIt function.
and what happened after it, control goes to the responseObject and then
stays four time at the last line of that ngOnInit function. to add the
object in the spiPerList and control never goes up than again to check the
duplication.
Expected behaviour:
I want to stop calling this function
this.medicationService.getProviderServiceLevelToPromise("",
"", this.medication.ProviderSpi, "", 0); unless a unique
this.medication.ProviderSpi exists.
If anyone want to see more code or logic, please see it here
typescript - how to filter the list of objects and stop a service request
in case of duplicate records/object by using angular 14.2.6? - Stack
Overflow
<https://stackoverflow.com/questions/75557568/how-to-filter-the-list-of-objects-and-stop-a-service-request-in-case-of-duplicat>
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