import { Signal } from "@angular/core";
import { toObservable, takeUntilDestroyed } from "@angular/core/rxjs-interop";

/**
 * a11y helper util used to `aria-disable` elements as opposed to using the HTML `disabled` attr.
 * - Removes HTML `disabled` attr and replaces it with `aria-disabled="true"`
 */
export function ariaDisableElement(el: HTMLElement, disabled: Signal<boolean | undefined>) {
  toObservable(disabled)
    .pipe(takeUntilDestroyed())
    .subscribe((isDisabled) => {
      if (isDisabled) {
        el.removeAttribute("disabled");
        el.setAttribute("aria-disabled", "true");
      } else {
        el.removeAttribute("aria-disabled");
      }
    });
}