Method remove

packages/core/src/lib/list-unit.ts:195–217

* Removes items at given indices from the list-value. \ * Dispatches a new copy of the value, without mutating the current-value. \ * It modifies the length of the list as these indices are not deleted, * rather removed using `Array.prototype.splice`. * * It only works if the

(...indices: number[])

   * @category Custom ListUnit
   */
  remove(...indices: number[]): Item[] {
    const listLength = this.length;
    indices = sanitizeIndices(indices, listLength).filter(i => this.hasOwnProperty(i));

    if (this.isFrozen || !indices.length || this.isEmpty) {
      return [];
    }

    indices.sort().reverse();
    const removedItems = [];
    const listShallowCopy = [...this.rawValue()];

    indices.forEach(index => {
      removedItems.push(...this.deepCopyMaybe(listShallowCopy.splice(index, 1)));
    });
    this.updateValueAndCache(listShallowCopy);
    removedItems.reverse();

    if (this.eventsSubject?.observers.length && !this.isMuted) {
      this.eventsSubject.next(new EventListUnitRemove(indices, removedItems));
    }
    return removedItems;
  }

  /**
   * Removes items from the list-{@link value} where the predicate returns `truthy` value. \