| --- |
| id: disabling-queries |
| title: Disabling/Pausing Queries |
| ref: docs/framework/react/guides/disabling-queries.md |
| replace: { 'useQuery': 'injectQuery' } |
| --- |
| |
| [//]: # 'Example' |
|
|
| ```angular-ts |
| @Component({ |
| selector: 'todos', |
| template: `<div> |
| <button (click)="query.refetch()">Fetch Todos</button> |
| |
| @if (query.data()) { |
| <ul> |
| @for (todo of query.data(); track todo.id) { |
| <li>{{ todo.title }}</li> |
| } |
| </ul> |
| } @else { |
| @if (query.isError()) { |
| <span>Error: {{ query.error().message }}</span> |
| } @else if (query.isLoading()) { |
| <span>Loading...</span> |
| } @else if (!query.isLoading() && !query.isError()) { |
| <span>Not ready ...</span> |
| } |
| } |
| |
| <div>{{ query.isLoading() ? 'Fetching...' : '' }}</div> |
| </div>`, |
| }) |
| export class TodosComponent { |
| query = injectQuery(() => ({ |
| queryKey: ['todos'], |
| queryFn: fetchTodoList, |
| enabled: false, |
| })) |
| } |
| ``` |
|
|
| [//]: # 'Example' |
| [//]: # 'Example2' |
|
|
| ```angular-ts |
| @Component({ |
| selector: 'todos', |
| template: ` |
| <div> |
| // 🚀 applying the filter will enable and execute the query |
| <filters-form onApply="filter.set" /> |
| <todos-table data="query.data()" /> |
| </div> |
| `, |
| }) |
| export class TodosComponent { |
| filter = signal('') |
| |
| todosQuery = injectQuery(() => ({ |
| queryKey: ['todos', this.filter()], |
| queryFn: () => fetchTodos(this.filter()), |
| enabled: !!this.filter(), |
| })) |
| } |
| ``` |
|
|
| [//]: # 'Example2' |
| [//]: # 'Example3' |
|
|
| ```angular-ts |
| import { skipToken, injectQuery } from '@tanstack/query-angular' |
| |
| @Component({ |
| selector: 'todos', |
| template: ` |
| <div> |
| // 🚀 applying the filter will enable and execute the query |
| <filters-form onApply="filter.set" /> |
| <todos-table data="query.data()" /> |
| </div> |
| `, |
| }) |
| export class TodosComponent { |
| filter = signal('') |
| |
| todosQuery = injectQuery(() => ({ |
| queryKey: ['todos', this.filter()], |
| queryFn: this.filter() ? () => fetchTodos(this.filter()) : skipToken, |
| })) |
| } |
| ``` |
|
|
| [//]: # 'Example3' |
|
|
