@ngspot/ngx-errors
Version:
<p align="center"> <img width="20%" height="20%" src="https://github.com/DmitryEfimenko/ngspot/blob/main/packages/ngx-errors/package/assets/logo.png?raw=true"> </p>
84 lines • 13.1 kB
JavaScript
import { Injectable, signal } from '@angular/core';
import { NEVER, ReplaySubject, asapScheduler, auditTime, filter, merge, of, share, switchMap, take, timer, } from 'rxjs';
import { extractTouchedChanges, extractDirtyChanges, } from './extract-control-changes';
import { InvalidShowWhenError } from './ngx-errors';
import * as i0 from "@angular/core";
export class AllErrorsStateService {
constructor() {
this.state = signal(new Map());
}
registerControl(control, parentForm) {
const alreadyRegisteredControl = this.state().get(control);
if (alreadyRegisteredControl) {
alreadyRegisteredControl.registeredInstancesCount++;
return;
}
const watchedEvents$ = eventsTriggeringVisibilityChange$(control, parentForm);
this.state.update((map) => {
map.set(control, {
control,
parentForm,
watchedEvents$,
registeredInstancesCount: 1,
errors: signal({}),
});
return new Map(map);
});
}
unregisterControl(control) {
const alreadyRegisteredControl = this.state().get(control);
if (!alreadyRegisteredControl) {
return;
}
alreadyRegisteredControl.registeredInstancesCount--;
if (alreadyRegisteredControl.registeredInstancesCount === 0) {
this.state.update((map) => {
map.delete(control);
return new Map(map);
});
}
}
getControlState(control) {
return this.state().get(control);
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "17.3.7", ngImport: i0, type: AllErrorsStateService, deps: [], target: i0.ɵɵFactoryTarget.Injectable }); }
static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "17.3.7", ngImport: i0, type: AllErrorsStateService, providedIn: 'root' }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "17.3.7", ngImport: i0, type: AllErrorsStateService, decorators: [{
type: Injectable,
args: [{ providedIn: 'root' }]
}] });
export function getErrorStateMatcher(errorStateMatchers, showWhen) {
const errorStateMatcher = errorStateMatchers.get(showWhen);
if (!errorStateMatcher) {
throw new InvalidShowWhenError(showWhen, errorStateMatchers.validKeys());
}
return errorStateMatcher;
}
function eventsTriggeringVisibilityChange$(control, form) {
const ngSubmit$ = form ? form.ngSubmit.asObservable() : NEVER;
const $ = merge(control.valueChanges, control.statusChanges, ngSubmit$, extractTouchedChanges(control), extractDirtyChanges(control), asyncBugWorkaround$(control), of(null)).pipe(
// using auditTime due to the fact that even though touch event
// might fire, the control.touched won't be updated at the time
// when ErrorStateMatcher check it
auditTime(0, asapScheduler), share({
connector: () => new ReplaySubject(1),
resetOnComplete: true,
resetOnError: true,
resetOnRefCountZero: true,
}));
return $;
}
/**
* control.statusChanges do not emit when there's async validator
* https://github.com/angular/angular/issues/41519
* ugly workaround:
*/
function asyncBugWorkaround$(control) {
let $ = NEVER;
if (control.asyncValidator && control.status === 'PENDING') {
$ = timer(0, 50).pipe(switchMap(() => of(control.status)), filter((x) => x !== 'PENDING'), take(1));
}
return $;
}
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{ Injectable, WritableSignal, signal } from '@angular/core';\r\nimport {\r\n  AbstractControl,\r\n  FormControlStatus,\r\n  FormGroupDirective,\r\n  NgForm,\r\n} from '@angular/forms';\r\n\r\nimport {\r\n  NEVER,\r\n  Observable,\r\n  ReplaySubject,\r\n  asapScheduler,\r\n  auditTime,\r\n  filter,\r\n  merge,\r\n  of,\r\n  share,\r\n  switchMap,\r\n  take,\r\n  timer,\r\n} from 'rxjs';\r\n\r\nimport { ErrorStateMatchers } from './error-state-matchers.service';\r\nimport {\r\n  extractTouchedChanges,\r\n  extractDirtyChanges,\r\n} from './extract-control-changes';\r\nimport { MaybeParentForm } from './form.directive';\r\nimport { InvalidShowWhenError } from './ngx-errors';\r\n\r\ntype HasError = boolean;\r\ntype DirectiveId = number;\r\n\r\ntype ErrorState = Map<\r\n  AbstractControl,\r\n  {\r\n    control: AbstractControl;\r\n    parentForm: FormGroupDirective | NgForm | null;\r\n    watchedEvents$: Observable<any>;\r\n    registeredInstancesCount: number;\r\n    errors: WritableSignal<Record<DirectiveId, HasError>>;\r\n  }\r\n>;\r\n\r\n@Injectable({ providedIn: 'root' })\r\nexport class AllErrorsStateService {\r\n  private state = signal<ErrorState>(new Map());\r\n\r\n  registerControl(control: AbstractControl, parentForm: MaybeParentForm) {\r\n    const alreadyRegisteredControl = this.state().get(control);\r\n\r\n    if (alreadyRegisteredControl) {\r\n      alreadyRegisteredControl.registeredInstancesCount++;\r\n      return;\r\n    }\r\n\r\n    const watchedEvents$ = eventsTriggeringVisibilityChange$(\r\n      control,\r\n      parentForm,\r\n    );\r\n\r\n    this.state.update((map) => {\r\n      map.set(control, {\r\n        control,\r\n        parentForm,\r\n        watchedEvents$,\r\n        registeredInstancesCount: 1,\r\n        errors: signal({}),\r\n      });\r\n\r\n      return new Map(map);\r\n    });\r\n  }\r\n\r\n  unregisterControl(control: AbstractControl) {\r\n    const alreadyRegisteredControl = this.state().get(control);\r\n\r\n    if (!alreadyRegisteredControl) {\r\n      return;\r\n    }\r\n\r\n    alreadyRegisteredControl.registeredInstancesCount--;\r\n\r\n    if (alreadyRegisteredControl.registeredInstancesCount === 0) {\r\n      this.state.update((map) => {\r\n        map.delete(control);\r\n        return new Map(map);\r\n      });\r\n    }\r\n  }\r\n\r\n  getControlState(control: AbstractControl) {\r\n    return this.state().get(control);\r\n  }\r\n}\r\n\r\nexport function getErrorStateMatcher(\r\n  errorStateMatchers: ErrorStateMatchers,\r\n  showWhen: string,\r\n) {\r\n  const errorStateMatcher = errorStateMatchers.get(showWhen);\r\n\r\n  if (!errorStateMatcher) {\r\n    throw new InvalidShowWhenError(showWhen, errorStateMatchers.validKeys());\r\n  }\r\n\r\n  return errorStateMatcher;\r\n}\r\n\r\nfunction eventsTriggeringVisibilityChange$(\r\n  control: AbstractControl,\r\n  form: FormGroupDirective | NgForm | null,\r\n) {\r\n  const ngSubmit$ = form ? form.ngSubmit.asObservable() : NEVER;\r\n\r\n  const $ = merge(\r\n    control.valueChanges,\r\n    control.statusChanges,\r\n    ngSubmit$,\r\n    extractTouchedChanges(control),\r\n    extractDirtyChanges(control),\r\n    asyncBugWorkaround$(control),\r\n    of(null),\r\n  ).pipe(\r\n    // using auditTime due to the fact that even though touch event\r\n    // might fire, the control.touched won't be updated at the time\r\n    // when ErrorStateMatcher check it\r\n    auditTime(0, asapScheduler),\r\n    share({\r\n      connector: () => new ReplaySubject(1),\r\n      resetOnComplete: true,\r\n      resetOnError: true,\r\n      resetOnRefCountZero: true,\r\n    }),\r\n  );\r\n\r\n  return $;\r\n}\r\n\r\n/**\r\n * control.statusChanges do not emit when there's async validator\r\n * https://github.com/angular/angular/issues/41519\r\n * ugly workaround:\r\n */\r\nfunction asyncBugWorkaround$(control: AbstractControl) {\r\n  let $: Observable<FormControlStatus | never> = NEVER;\r\n  if (control.asyncValidator && control.status === 'PENDING') {\r\n    $ = timer(0, 50).pipe(\r\n      switchMap(() => of(control.status)),\r\n      filter((x) => x !== 'PENDING'),\r\n      take(1),\r\n    );\r\n  }\r\n  return $;\r\n}\r\n"]}