fix(rewrite): custom change detection with OnPush

#93

projects/ngx-sub-form/src/lib/ngx-sub-form.ts

@@ -1,3 +1,4 @@
+import { ɵmarkDirty as markDirty } from '@angular/core';
 import { FormControl } from '@angular/forms';
 import isEqual from 'fast-deep-equal';
 import { getObservableLifecycle } from 'ngx-observable-lifecycle';
@@ -15,13 +16,6 @@ import {
   tap,
   withLatestFrom,
 } from 'rxjs/operators';
-import {
-  ArrayPropertyValue,
-  isNullOrUndefined,
-  OneOfControlsTypes,
-  TypedAbstractControl,
-  TypedFormControl,
-} from './shared/ngx-sub-form-utils';
 import {
   createFormDataFromOptions,
   getControlValueAccessorBindings,
@@ -32,7 +26,6 @@ import {
 import {
   ComponentHooks,
   ControlValueAccessorComponentInstance,
-  CreateFormArrayControlMethod,
   FormBindings,
   FormType,
   NgxFormOptions,
@@ -42,6 +35,7 @@ import {
   NgxSubFormArrayOptions,
   NgxSubFormOptions,
 } from './ngx-sub-form.types';
+import { isNullOrUndefined } from './shared/ngx-sub-form-utils';
 
 const optionsHaveInstructionsToCreateArrays = <ControlInterface, FormInterface>(
   options: NgxFormOptions<ControlInterface, FormInterface> & Partial<NgxSubFormArrayOptions<FormInterface>>,
@@ -212,17 +206,16 @@ export function createForm<ControlInterface, FormInterface>(
         handleFormArrays<FormInterface>(formArrays, value, createFormArrayControl);
 
         formGroup.reset(value, { emitEvent: false });
-
-        // commenting out the following for now as it seems that calling
-        // `markDirty` on a component when an input hasn't been set
-        // (in this case on a root form) then it throws an error
-        // Cannot read property 'nodeIndex' of null
-        // so we'll see later on if this is really needed or if it can
-        // be removed
+      }),
+    ),
+    supportChangeDetectionStrategyOnPush: controlValue$.pipe(
+      delay(0),
+      tap(() =>
         // support `changeDetection: ChangeDetectionStrategy.OnPush`
         // on the component hosting a form
-        // markDirty(componentInstance);
-      }),
+        // fixes https://github.com/cloudnc/ngx-sub-form/issues/93
+        markDirty(componentInstance),
+      ),
     ),
     setDisabledState$: setDisabledState$.pipe(
       tap((shouldDisable: boolean) => {

src/app/main-rewrite/listing/listing-form/droid-listing/assassin-droid/assassin-droid.component.ts

@@ -1,4 +1,4 @@
-import { Component } from '@angular/core';
+import { ChangeDetectionStrategy, Component } from '@angular/core';
 import { FormControl, Validators } from '@angular/forms';
 import { createForm, FormType, subformComponentProviders } from 'ngx-sub-form';
 import { AssassinDroid, AssassinDroidWeapon, DroidType } from 'src/app/interfaces/droid.interface';
@@ -15,6 +15,7 @@ export const ASSASSIN_DROID_WEAPON_TEXT: { [K in AssassinDroidWeapon]: string }
   templateUrl: './assassin-droid.component.html',
   styleUrls: ['./assassin-droid.component.scss'],
   providers: subformComponentProviders(AssassinDroidComponent),
+  changeDetection: ChangeDetectionStrategy.OnPush,
 })
 export class AssassinDroidComponent {
   public AssassinDroidWeapon = AssassinDroidWeapon;

src/app/main-rewrite/listing/listing-form/droid-listing/astromech-droid/astromech-droid.component.ts

@@ -1,4 +1,4 @@
-import { Component } from '@angular/core';
+import { ChangeDetectionStrategy, Component } from '@angular/core';
 import { FormControl, Validators } from '@angular/forms';
 import { createForm, FormType, subformComponentProviders } from 'ngx-sub-form';
 import { AstromechDroid, AstromechDroidShape, DroidType } from '../../../../../interfaces/droid.interface';
@@ -8,6 +8,7 @@ import { AstromechDroid, AstromechDroidShape, DroidType } from '../../../../../i
   templateUrl: './astromech-droid.component.html',
   styleUrls: ['./astromech-droid.component.scss'],
   providers: subformComponentProviders(AstromechDroidComponent),
+  changeDetection: ChangeDetectionStrategy.OnPush,
 })
 export class AstromechDroidComponent {
   public AstromechDroidShape = AstromechDroidShape;

src/app/main-rewrite/listing/listing-form/droid-listing/droid-product.component.ts

@@ -1,4 +1,4 @@
-import { Component } from '@angular/core';
+import { ChangeDetectionStrategy, Component } from '@angular/core';
 import { FormControl, Validators } from '@angular/forms';
 import { createForm, FormType, subformComponentProviders } from 'ngx-sub-form';
 import {
@@ -24,6 +24,7 @@ interface OneDroidForm {
   templateUrl: './droid-product.component.html',
   styleUrls: ['./droid-product.component.scss'],
   providers: subformComponentProviders(DroidProductComponent),
+  changeDetection: ChangeDetectionStrategy.OnPush,
 })
 export class DroidProductComponent {
   public DroidType = DroidType;

src/app/main-rewrite/listing/listing-form/droid-listing/medical-droid/medical-droid.component.ts

@@ -1,4 +1,4 @@
-import { Component } from '@angular/core';
+import { ChangeDetectionStrategy, Component } from '@angular/core';
 import { FormControl, Validators } from '@angular/forms';
 import { createForm, FormType, subformComponentProviders } from 'ngx-sub-form';
 import { DroidType, MedicalDroid } from 'src/app/interfaces/droid.interface';
@@ -8,6 +8,7 @@ import { DroidType, MedicalDroid } from 'src/app/interfaces/droid.interface';
   templateUrl: './medical-droid.component.html',
   styleUrls: ['./medical-droid.component.scss'],
   providers: subformComponentProviders(MedicalDroidComponent),
+  changeDetection: ChangeDetectionStrategy.OnPush,
 })
 export class MedicalDroidComponent {
   public form = createForm<MedicalDroid>(this, {

src/app/main-rewrite/listing/listing-form/droid-listing/protocol-droid/protocol-droid.component.ts

@@ -1,4 +1,4 @@
-import { Component } from '@angular/core';
+import { ChangeDetectionStrategy, Component } from '@angular/core';
 import { FormControl, Validators } from '@angular/forms';
 import { getObservableLifecycle } from 'ngx-observable-lifecycle';
 import { createForm, FormType, subformComponentProviders } from 'ngx-sub-form';
@@ -9,6 +9,7 @@ import { DroidType, Languages, ProtocolDroid } from '../../../../../interfaces/d
   templateUrl: './protocol-droid.component.html',
   styleUrls: ['./protocol-droid.component.scss'],
   providers: subformComponentProviders(ProtocolDroidComponent),
+  changeDetection: ChangeDetectionStrategy.OnPush,
 })
 export class ProtocolDroidComponent {
   public Languages = Languages;

src/app/main-rewrite/listing/listing-form/listing-form.component.ts

@@ -1,4 +1,4 @@
-import { Component, Input, Output } from '@angular/core';
+import { ChangeDetectionStrategy, Component, Input, Output } from '@angular/core';
 import { FormControl, Validators } from '@angular/forms';
 import { createForm, FormType } from 'ngx-sub-form';
 import { Subject } from 'rxjs';
@@ -21,6 +21,7 @@ interface OneListingForm {
   selector: 'app-listing-form',
   templateUrl: './listing-form.component.html',
   styleUrls: ['./listing-form.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush,
 })
 export class ListingFormComponent {
   public ListingType: typeof ListingType = ListingType;

src/app/main-rewrite/listing/listing-form/vehicle-listing/crew-members/crew-member/crew-member.component.ts

@@ -1,4 +1,4 @@
-import { Component } from '@angular/core';
+import { ChangeDetectionStrategy, Component } from '@angular/core';
 import { FormControl, Validators } from '@angular/forms';
 import { createForm, FormType, subformComponentProviders } from 'ngx-sub-form';
 import { CrewMember } from '../../../../../../interfaces/crew-member.interface';
@@ -8,6 +8,7 @@ import { CrewMember } from '../../../../../../interfaces/crew-member.interface';
   templateUrl: './crew-member.component.html',
   styleUrls: ['./crew-member.component.scss'],
   providers: subformComponentProviders(CrewMemberComponent),
+  changeDetection: ChangeDetectionStrategy.OnPush,
 })
 export class CrewMemberComponent {
   public form = createForm<CrewMember>(this, {

src/app/main-rewrite/listing/listing-form/vehicle-listing/crew-members/crew-members.component.ts

@@ -1,6 +1,6 @@
-import { Component } from '@angular/core';
+import { ChangeDetectionStrategy, Component } from '@angular/core';
 import { FormArray, FormControl, Validators } from '@angular/forms';
-import { ArrayPropertyKey, ArrayPropertyValue, createForm, FormType, subformComponentProviders } from 'ngx-sub-form';
+import { createForm, FormType, subformComponentProviders } from 'ngx-sub-form';
 import { CrewMember } from '../../../../../interfaces/crew-member.interface';
 
 interface CrewMembersForm {
@@ -12,6 +12,7 @@ interface CrewMembersForm {
   templateUrl: './crew-members.component.html',
   styleUrls: ['./crew-members.component.scss'],
   providers: subformComponentProviders(CrewMembersComponent),
+  changeDetection: ChangeDetectionStrategy.OnPush,
 })
 export class CrewMembersComponent {
   public form = createForm<CrewMember[], CrewMembersForm>(this, {

src/app/main-rewrite/listing/listing-form/vehicle-listing/spaceship/spaceship.component.ts

@@ -1,4 +1,4 @@
-import { Component } from '@angular/core';
+import { ChangeDetectionStrategy, Component } from '@angular/core';
 import { FormControl, Validators } from '@angular/forms';
 import { createForm, FormType, subformComponentProviders } from 'ngx-sub-form';
 import { Spaceship, VehicleType } from 'src/app/interfaces/vehicle.interface';
@@ -8,6 +8,7 @@ import { Spaceship, VehicleType } from 'src/app/interfaces/vehicle.interface';
   templateUrl: './spaceship.component.html',
   styleUrls: ['./spaceship.component.scss'],
   providers: subformComponentProviders(SpaceshipComponent),
+  changeDetection: ChangeDetectionStrategy.OnPush,
 })
 export class SpaceshipComponent {
   public form = createForm<Spaceship>(this, {

src/app/main-rewrite/listing/listing-form/vehicle-listing/speeder/speeder.component.ts

@@ -1,4 +1,4 @@
-import { Component } from '@angular/core';
+import { ChangeDetectionStrategy, Component } from '@angular/core';
 import { FormControl, Validators } from '@angular/forms';
 import { createForm, FormType, subformComponentProviders } from 'ngx-sub-form';
 import { Speeder, VehicleType } from 'src/app/interfaces/vehicle.interface';
@@ -8,6 +8,7 @@ import { Speeder, VehicleType } from 'src/app/interfaces/vehicle.interface';
   templateUrl: './speeder.component.html',
   styleUrls: ['./speeder.component.scss'],
   providers: subformComponentProviders(SpeederComponent),
+  changeDetection: ChangeDetectionStrategy.OnPush,
 })
 export class SpeederComponent {
   public form = createForm<Speeder>(this, {

src/app/main-rewrite/listing/listing-form/vehicle-listing/vehicle-product.component.ts

@@ -1,4 +1,4 @@
-import { Component } from '@angular/core';
+import { ChangeDetectionStrategy, Component } from '@angular/core';
 import { FormControl, Validators } from '@angular/forms';
 import { createForm, FormType, subformComponentProviders } from 'ngx-sub-form';
 import { OneVehicle, Spaceship, Speeder, VehicleType } from 'src/app/interfaces/vehicle.interface';
@@ -15,6 +15,7 @@ export interface OneVehicleForm {
   templateUrl: './vehicle-product.component.html',
   styleUrls: ['./vehicle-product.component.scss'],
   providers: subformComponentProviders(VehicleProductComponent),
+  changeDetection: ChangeDetectionStrategy.OnPush,
 })
 export class VehicleProductComponent {
   public VehicleType = VehicleType;

src/app/main-rewrite/listing/listing.component.ts

@@ -1,4 +1,4 @@
-import { Component } from '@angular/core';
+import { ChangeDetectionStrategy, Component } from '@angular/core';
 import { FormControl } from '@angular/forms';
 import { ActivatedRoute } from '@angular/router';
 import { NullableObject } from 'ngx-sub-form';
@@ -12,6 +12,7 @@ import { UuidService } from '../../services/uuid.service';
   selector: 'app-listing',
   templateUrl: './listing.component.html',
   styleUrls: ['./listing.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush,
 })
 export class ListingComponent {
   public readonlyFormControl: FormControl = new FormControl(false);

src/app/main-rewrite/listings/listings.component.ts

@@ -1,12 +1,13 @@
-import { Component, Input } from '@angular/core';
-import { OneListing, ListingType } from '../../interfaces/listing.interface';
+import { ChangeDetectionStrategy, Component, Input } from '@angular/core';
 import { DroidType } from 'src/app/interfaces/droid.interface';
 import { VehicleType } from 'src/app/interfaces/vehicle.interface';
+import { ListingType, OneListing } from '../../interfaces/listing.interface';
 
 @Component({
   selector: 'app-listings',
   templateUrl: './listings.component.html',
   styleUrls: ['./listings.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush,
 })
 export class ListingsComponent {
   @Input() listings: OneListing[] = [];

src/app/main-rewrite/main.component.ts

@@ -1,10 +1,11 @@
-import { Component } from '@angular/core';
+import { ChangeDetectionStrategy, Component } from '@angular/core';
 import { ListingService } from '../services/listing.service';
 
 @Component({
   selector: 'app-main',
   templateUrl: './main.component.html',
   styleUrls: ['./main.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush,
 })
 export class MainComponent {
   public listings$ = this.listingService.getListings();