Roman Sedov MarsiBarsi

MarsiBarsi / window.ts

Created June 14, 2020 15:04

window token

	import {DOCUMENT} from '@angular/common';
	import {inject, InjectionToken} from '@angular/core';

	export const WINDOW = new InjectionToken<Window>(
	'An abstraction over global window object',
	{
	factory: () => {
	const {defaultView} = inject(DOCUMENT);

	if (!defaultView) {

MarsiBarsi / mark-control-and-update.ts

Created June 11, 2020 10:54

Mark control and update validity function

	import {AbstractControl, FormArray, FormGroup} from '@angular/forms';

	export function markControlAsTouchedAndValidate(control: AbstractControl) {
	if (control instanceof FormArray) {
	control.controls.forEach(nestedControl => {
	markControlAsTouchedAndValidate(nestedControl);
	});

	return;
	}

MarsiBarsi / replay-control-value-changes.ts

Last active November 3, 2022 00:04

replay-control-value-changes.ts

	export class ReplayControlValueChanges<T> extends Observable<T> {
	constructor(control: AbstractControl \| AbstractControlDirective) {
	super(subscriber => {
	if (!control.valueChanges) {
	throw new Error('Control does not have valueChanges');
	}

	control.valueChanges.pipe(startWith(control.value)).subscribe(subscriber);
	});
	}

MarsiBarsi / watch.ts

Created June 4, 2020 09:38

	export function watch<T>(
	changeDetectorRef: ChangeDetectorRef,
	): MonoTypeOperatorFunction<T> {
	return (source: Observable<T>) =>
	source.pipe(
	tap(() => {
	changeDetectorRef.markForCheck();
	}),
	);
	}