c64b13e593
Google3 detected circular references here, so splitting up this rather hodge-podge list of functions into slightly better organizational units. PR Close #28382
66 lines
2.0 KiB
TypeScript
66 lines
2.0 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import {assertDefined, assertEqual, throwError} from '../util/assert';
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import {getComponentDef, getNgModuleDef} from './definition';
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import {TNode} from './interfaces/node';
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import {LView} from './interfaces/view';
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import {isLContainer, isLView} from './util/view_utils';
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export function assertComponentType(
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actual: any,
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msg: string =
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'Type passed in is not ComponentType, it does not have \'ngComponentDef\' property.') {
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if (!getComponentDef(actual)) {
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throwError(msg);
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}
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}
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export function assertNgModuleType(
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actual: any,
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msg: string =
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'Type passed in is not NgModuleType, it does not have \'ngModuleDef\' property.') {
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if (!getNgModuleDef(actual)) {
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throwError(msg);
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}
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}
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export function assertPreviousIsParent(isParent: boolean) {
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assertEqual(isParent, true, 'previousOrParentTNode should be a parent');
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}
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export function assertHasParent(tNode: TNode) {
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assertDefined(tNode.parent, 'previousOrParentTNode should have a parent');
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}
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export function assertDataNext(lView: LView, index: number, arr?: any[]) {
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if (arr == null) arr = lView;
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assertEqual(
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arr.length, index, `index ${index} expected to be at the end of arr (length ${arr.length})`);
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}
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export function assertLContainerOrUndefined(value: any): void {
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value && assertEqual(isLContainer(value), true, 'Expecting LContainer or undefined or null');
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}
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export function assertLContainer(value: any): void {
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assertDefined(value, 'LContainer must be defined');
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assertEqual(isLContainer(value), true, 'Expecting LContainer');
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}
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export function assertLViewOrUndefined(value: any): void {
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value && assertEqual(isLView(value), true, 'Expecting LView or undefined or null');
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}
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export function assertLView(value: any) {
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assertDefined(value, 'LView must be defined');
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assertEqual(isLView(value), true, 'Expecting LView');
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}
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