@tanstack/angular-query-experimental
Version:
Signals for managing, caching and syncing asynchronous and remote data in Angular
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TypeScript
import { Injector, Signal } from '@angular/core';
import { DefaultError, OmitKeyof, QueriesPlaceholderDataFunction, QueryFunction, QueryKey, ThrowOnError } from '@tanstack/query-core';
import { CreateQueryOptions, CreateQueryResult, DefinedCreateQueryResult } from './types.js';
type QueryObserverOptionsForCreateQueries<TQueryFnData = unknown, TError = DefaultError, TData = TQueryFnData, TQueryKey extends QueryKey = QueryKey> = OmitKeyof<CreateQueryOptions<TQueryFnData, TError, TData, TQueryKey>, 'placeholderData'> & {
placeholderData?: TQueryFnData | QueriesPlaceholderDataFunction<TQueryFnData>;
};
type MAXIMUM_DEPTH = 20;
type SkipTokenForCreateQueries = symbol;
type GetCreateQueryOptionsForCreateQueries<T> = T extends {
queryFnData: infer TQueryFnData;
error?: infer TError;
data: infer TData;
} ? QueryObserverOptionsForCreateQueries<TQueryFnData, TError, TData> : T extends {
queryFnData: infer TQueryFnData;
error?: infer TError;
} ? QueryObserverOptionsForCreateQueries<TQueryFnData, TError> : T extends {
data: infer TData;
error?: infer TError;
} ? QueryObserverOptionsForCreateQueries<unknown, TError, TData> : T extends [infer TQueryFnData, infer TError, infer TData] ? QueryObserverOptionsForCreateQueries<TQueryFnData, TError, TData> : T extends [infer TQueryFnData, infer TError] ? QueryObserverOptionsForCreateQueries<TQueryFnData, TError> : T extends [infer TQueryFnData] ? QueryObserverOptionsForCreateQueries<TQueryFnData> : T extends {
queryFn?: QueryFunction<infer TQueryFnData, infer TQueryKey> | SkipTokenForCreateQueries;
select?: (data: any) => infer TData;
throwOnError?: ThrowOnError<any, infer TError, any, any>;
} ? QueryObserverOptionsForCreateQueries<TQueryFnData, unknown extends TError ? DefaultError : TError, unknown extends TData ? TQueryFnData : TData, TQueryKey> : QueryObserverOptionsForCreateQueries;
type GetDefinedOrUndefinedQueryResult<T, TData, TError = unknown> = T extends {
initialData?: infer TInitialData;
} ? unknown extends TInitialData ? CreateQueryResult<TData, TError> : TInitialData extends TData ? DefinedCreateQueryResult<TData, TError> : TInitialData extends () => infer TInitialDataResult ? unknown extends TInitialDataResult ? CreateQueryResult<TData, TError> : TInitialDataResult extends TData ? DefinedCreateQueryResult<TData, TError> : CreateQueryResult<TData, TError> : CreateQueryResult<TData, TError> : CreateQueryResult<TData, TError>;
type GetCreateQueryResult<T> = T extends {
queryFnData: any;
error?: infer TError;
data: infer TData;
} ? GetDefinedOrUndefinedQueryResult<T, TData, TError> : T extends {
queryFnData: infer TQueryFnData;
error?: infer TError;
} ? GetDefinedOrUndefinedQueryResult<T, TQueryFnData, TError> : T extends {
data: infer TData;
error?: infer TError;
} ? GetDefinedOrUndefinedQueryResult<T, TData, TError> : T extends [any, infer TError, infer TData] ? GetDefinedOrUndefinedQueryResult<T, TData, TError> : T extends [infer TQueryFnData, infer TError] ? GetDefinedOrUndefinedQueryResult<T, TQueryFnData, TError> : T extends [infer TQueryFnData] ? GetDefinedOrUndefinedQueryResult<T, TQueryFnData> : T extends {
queryFn?: QueryFunction<infer TQueryFnData, any> | SkipTokenForCreateQueries;
select?: (data: any) => infer TData;
throwOnError?: ThrowOnError<any, infer TError, any, any>;
} ? GetDefinedOrUndefinedQueryResult<T, unknown extends TData ? TQueryFnData : TData, unknown extends TError ? DefaultError : TError> : CreateQueryResult;
/**
* QueriesOptions reducer recursively unwraps function arguments to infer/enforce type param
*/
export type QueriesOptions<T extends Array<any>, TResults extends Array<any> = [], TDepth extends ReadonlyArray<number> = []> = TDepth['length'] extends MAXIMUM_DEPTH ? Array<QueryObserverOptionsForCreateQueries> : T extends [] ? [] : T extends [infer Head] ? [...TResults, GetCreateQueryOptionsForCreateQueries<Head>] : T extends [infer Head, ...infer Tails] ? QueriesOptions<[
...Tails
], [
...TResults,
GetCreateQueryOptionsForCreateQueries<Head>
], [
...TDepth,
1
]> : ReadonlyArray<unknown> extends T ? T : T extends Array<QueryObserverOptionsForCreateQueries<infer TQueryFnData, infer TError, infer TData, infer TQueryKey>> ? Array<QueryObserverOptionsForCreateQueries<TQueryFnData, TError, TData, TQueryKey>> : Array<QueryObserverOptionsForCreateQueries>;
/**
* QueriesResults reducer recursively maps type param to results
*/
export type QueriesResults<T extends Array<any>, TResults extends Array<any> = [], TDepth extends ReadonlyArray<number> = []> = TDepth['length'] extends MAXIMUM_DEPTH ? Array<CreateQueryResult> : T extends [] ? [] : T extends [infer Head] ? [...TResults, GetCreateQueryResult<Head>] : T extends [infer Head, ...infer Tails] ? QueriesResults<[
...Tails
], [
...TResults,
GetCreateQueryResult<Head>
], [
...TDepth,
1
]> : {
[K in keyof T]: GetCreateQueryResult<T[K]>;
};
export interface InjectQueriesOptions<T extends Array<any>, TCombinedResult = QueriesResults<T>> {
queries: readonly [...QueriesOptions<T>] | readonly [
...{
[K in keyof T]: GetCreateQueryOptionsForCreateQueries<T[K]>;
}
];
combine?: (result: QueriesResults<T>) => TCombinedResult;
}
/**
* @param optionsFn - A function that returns queries' options.
* @param injector - The Angular injector to use.
*/
export declare function injectQueries<T extends Array<any>, TCombinedResult = QueriesResults<T>>(optionsFn: () => InjectQueriesOptions<T, TCombinedResult>, injector?: Injector): Signal<TCombinedResult>;
export {};