@angular/core
Version:
Angular - the core framework
48 lines (47 loc) • 1.69 kB
TypeScript
import { QueryList as viewEngine_QueryList } from '../linker/query_list';
import { Type } from '../type';
import { LContainer, LNode, LView, QueryReadType, QueryState } from './interfaces';
/**
* A predicate which determines if a given element/directive should be included in the query
*/
export interface QueryPredicate<T> {
/**
* Next predicate
*/
next: QueryPredicate<any> | null;
/**
* Destination to which the value should be added.
*/
list: QueryList<T>;
/**
* If looking for directives than it contains the directive type.
*/
type: Type<T> | null;
/**
* If selector then contains local names to query for.
*/
selector: string[] | null;
/**
* Indicates which token should be read from DI for this query.
*/
read: QueryReadType | null;
/**
* Values which have been located.
*
* this is what builds up the `QueryList._valuesTree`.
*/
values: any[];
}
export declare class QueryState_ implements QueryState {
shallow: QueryPredicate<any> | null;
deep: QueryPredicate<any> | null;
constructor(deep?: QueryPredicate<any>);
track<T>(queryList: viewEngine_QueryList<T>, predicate: Type<T> | string[], descend?: boolean, read?: QueryReadType): void;
child(): QueryState | null;
addNode(node: LNode): void;
insertView(container: LContainer, view: LView, index: number): void;
removeView(container: LContainer, view: LView, index: number): void;
}
export declare type QueryList<T> = viewEngine_QueryList<T>;
export declare const QueryList: typeof viewEngine_QueryList;
export declare function queryRefresh(query: QueryList<any>): boolean;