Method register

src/material/sort/sort.ts:138–150

* Register function to be used by the contained MatSortables. Adds the MatSortable to the * collection of MatSortables.

(sortable: MatSortable)

   * collection of MatSortables.
   */
  register(sortable: MatSortable): void {
    if (typeof ngDevMode === 'undefined' || ngDevMode) {
      if (!sortable.id) {
        throw getSortHeaderMissingIdError();
      }

      if (this.sortables.has(sortable.id)) {
        throw getSortDuplicateSortableIdError(sortable.id);
      }
    }

    this.sortables.set(sortable.id, sortable);
  }

  /**
   * Unregister function to be used by the contained MatSortables. Removes the MatSortable from the