0c8adbc4ec
This commit performs a cleanup and removes unused embedded view instructions and corresponding tests. PR Close #34715
94 lines
3.3 KiB
TypeScript
94 lines
3.3 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 {LContainer} from './interfaces/container';
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import {DirectiveDef} from './interfaces/definition';
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import {TNode} from './interfaces/node';
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import {isLContainer, isLView} from './interfaces/type_checks';
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import {LView, TVIEW, TView} from './interfaces/view';
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// [Assert functions do not constraint type when they are guarded by a truthy
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// expression.](https://github.com/microsoft/TypeScript/issues/37295)
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export function assertTNodeForLView(tNode: TNode, lView: LView) {
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tNode.hasOwnProperty('tView_') &&
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assertEqual(
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(tNode as any as {tView_: TView}).tView_, lView[TVIEW],
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'This TNode does not belong to this LView.');
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}
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export function assertComponentType(
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actual: any,
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msg: string = 'Type passed in is not ComponentType, it does not have \'ɵcmp\' 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 = 'Type passed in is not NgModuleType, it does not have \'ɵmod\' 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|null) {
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assertDefined(tNode, 'previousOrParentTNode should exist!');
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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 assertLContainer(value: any): asserts value is LContainer {
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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): asserts value is LView|null|undefined {
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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): asserts value is LView {
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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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export function assertFirstCreatePass(tView: TView, errMessage?: string) {
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assertEqual(
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tView.firstCreatePass, true, errMessage || 'Should only be called in first create pass.');
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}
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export function assertFirstUpdatePass(tView: TView, errMessage?: string) {
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assertEqual(
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tView.firstUpdatePass, true, errMessage || 'Should only be called in first update pass.');
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}
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/**
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* This is a basic sanity check that an object is probably a directive def. DirectiveDef is
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* an interface, so we can't do a direct instanceof check.
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*/
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export function assertDirectiveDef<T>(obj: any): asserts obj is DirectiveDef<T> {
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if (obj.type === undefined || obj.selectors == undefined || obj.inputs === undefined) {
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throwError(
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`Expected a DirectiveDef/ComponentDef and this object does not seem to have the expected shape.`);
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}
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}
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