本文整理汇总了TypeScript中@angular/core/src/view/index.destroyView函数的典型用法代码示例。如果您正苦于以下问题：TypeScript destroyView函数的具体用法？TypeScript destroyView怎么用？TypeScript destroyView使用的例子？那么, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了destroyView函数的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的TypeScript代码示例。
示例1: it
it('should throw on dirty checking destroyed views', () => {
const {view, rootNodes} = createAndGetRootNodes(compViewDef(
[
elementDef(NodeFlags.None, null, null, 0, 'div'),
],
(view) => { setCurrentNode(view, 0); }));
destroyView(view);
expect(() => checkAndUpdateView(view))
.toThrowError('View has been used after destroy for CheckAndUpdate');
});示例2: it
it('should destroy component views', () => {
const log: string[] = [];
class AComp {}
class ChildProvider {
ngOnDestroy() { log.push('ngOnDestroy'); };
}
const {view, rootNodes} = createAndGetRootNodes(compViewDef([
elementDef(NodeFlags.None, 1, 'div'),
providerDef(
NodeFlags.None, AComp, [], null, () => compViewDef([
elementDef(NodeFlags.None, 1, 'span'),
providerDef(NodeFlags.OnDestroy, ChildProvider, [])
])),
]));
destroyView(view);
expect(log).toEqual(['ngOnDestroy']);
});示例3: it
it('should destroy embedded views', () => {
const log: string[] = [];
class ChildProvider {
ngOnDestroy() { log.push('ngOnDestroy'); };
}
const {view: parentView, rootNodes} = createAndGetRootNodes(compViewDef([
elementDef(NodeFlags.None, null, null, 1, 'div'),
anchorDef(NodeFlags.HasEmbeddedViews, null, null, 0, embeddedViewDef([
elementDef(NodeFlags.None, null, null, 1, 'span'),
directiveDef(NodeFlags.OnDestroy, null, 0, ChildProvider, [])
]))
]));
const childView0 = createEmbeddedView(parentView, parentView.def.nodes[1]);
attachEmbeddedView(asElementData(parentView, 1), 0, childView0);
destroyView(parentView);
expect(log).toEqual(['ngOnDestroy']);
});示例4: it
it('should call the lifecycle hooks in the right order', () => {
let instanceCount = 0;
let log: string[] = [];
class SomeService implements OnInit, DoCheck, OnChanges, AfterContentInit,
AfterContentChecked, AfterViewInit, AfterViewChecked, OnDestroy {
id: number;
a: any;
ngOnInit() { log.push(`${this.id}_ngOnInit`); }
ngDoCheck() { log.push(`${this.id}_ngDoCheck`); }
ngOnChanges() { log.push(`${this.id}_ngOnChanges`); }
ngAfterContentInit() { log.push(`${this.id}_ngAfterContentInit`); }
ngAfterContentChecked() { log.push(`${this.id}_ngAfterContentChecked`); }
ngAfterViewInit() { log.push(`${this.id}_ngAfterViewInit`); }
ngAfterViewChecked() { log.push(`${this.id}_ngAfterViewChecked`); }
ngOnDestroy() { log.push(`${this.id}_ngOnDestroy`); }
constructor() { this.id = instanceCount++; }
}
const allFlags = NodeFlags.OnInit | NodeFlags.DoCheck | NodeFlags.OnChanges |
NodeFlags.AfterContentInit | NodeFlags.AfterContentChecked | NodeFlags.AfterViewInit |
NodeFlags.AfterViewChecked | NodeFlags.OnDestroy;
const {view, rootNodes} = createAndGetRootNodes(compViewDef(
[
elementDef(NodeFlags.None, 3, 'span'),
providerDef(allFlags, SomeService, [], {a: [0, 'a']}),
elementDef(NodeFlags.None, 1, 'span'),
providerDef(allFlags, SomeService, [], {a: [0, 'a']})
],
(updater) => {
updater.checkInline(view, 1, 'someValue');
updater.checkInline(view, 3, 'someValue');
}));
checkAndUpdateView(view);
// Note: After... hooks are called bottom up.
expect(log).toEqual([
'0_ngOnChanges',
'0_ngOnInit',
'0_ngDoCheck',
'1_ngOnChanges',
'1_ngOnInit',
'1_ngDoCheck',
'1_ngAfterContentInit',
'1_ngAfterContentChecked',
'0_ngAfterContentInit',
'0_ngAfterContentChecked',
'1_ngAfterViewInit',
'1_ngAfterViewChecked',
'0_ngAfterViewInit',
'0_ngAfterViewChecked',
]);
log = [];
checkAndUpdateView(view);
// Note: After... hooks are called bottom up.
expect(log).toEqual([
'0_ngDoCheck', '1_ngDoCheck', '1_ngAfterContentChecked', '0_ngAfterContentChecked',
'1_ngAfterViewChecked', '0_ngAfterViewChecked'
]);
log = [];
destroyView(view);
// Note: ngOnDestroy ist called bottom up.
expect(log).toEqual(['1_ngOnDestroy', '0_ngOnDestroy']);
});