/** * @license * Copyright Google LLC All Rights Reserved. * * Use of this source code is governed by an MIT-style license that can be * found in the LICENSE file at https://angular.io/license */ /** @docs-private */ export function getSortDuplicateSortableIdError(id: string): Error { return Error(`Cannot have two MatSortables with the same id (${id}).`); } /** @docs-private */ export function getSortHeaderNotContainedWithinSortError(): Error { return Error(`MatSortHeader must be placed within a parent element with the MatSort directive.`); } /** @docs-private */ export function getSortHeaderMissingIdError(): Error { return Error(`MatSortHeader must be provided with a unique id.`); } /** @docs-private */ export function getSortInvalidDirectionError(direction: string): Error { return Error(`${direction} is not a valid sort direction ('asc' or 'desc').`); }