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Emit value when writeValue(null|undefined) + defaultValues defined #152

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Emit value when writeValue(null|undefined) + defaultValues defined #152

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10 changes: 8 additions & 2 deletions projects/ngx-sub-form/src/lib/ngx-sub-form.component.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -246,7 +246,10 @@ export abstract class NgxSubFormComponent<ControlInterface, FormInterface = Cont
// calling `reset` on a form with `null` throws an error but if nothing is passed
// (undefined) it will reset all the form values to null (as expected)
defaultValues === null ? undefined : defaultValues,
{ emitEvent: false },
// emit to keep internal and external information about data in of control in sync, when
// null/undefined was passed into writeValue
// while internally being replaced with defaultValues
{ emitEvent: isNullOrUndefined(obj) && !isNullOrUndefined(defaultValues) },
);
} else {
const missingKeys: (keyof FormInterface)[] = this.getMissingKeys(transformedValue);
Expand All @@ -269,7 +272,10 @@ export abstract class NgxSubFormComponent<ControlInterface, FormInterface = Cont
const fgDisabled: boolean = this.formGroup.disabled;

this.formGroup.setValue(transformedValue, {
emitEvent: false,
// emit to keep internal and external information about data in of control in sync, when
// null/undefined was passed into writeValue
// while internally being replaced with transformedValue
emitEvent: isNullOrUndefined(obj),
});

if (fgDisabled) {
Expand Down