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promise.d.ts
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/ dojo-typings / src / main / typings / dojo / promise.d.ts
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Initial commit, project structure.
 r0 declare namespace dojo {
namespace promise {
/* dojo/promise/all */
type PromiseObjectOrArray = { [name: string]: Promise<any> } | Promise<any>[];
type PromiseTypedObjectOrArray<T> = { [name: string]: Promise<T> } | Promise<T>[];
interface All {
/**
* Takes multiple promises and returns a new promise that is fulfilled
* when all promises have been resolved or one has been rejected.
* @param objectOrArray The promise will be fulfilled with a list of results if invoked with an
* array, or an object of results when passed an object (using the same
* keys). If passed neither an object or array it is resolved with an
* undefined value.
*/
<T>(array: Thenable<T>[]): Promise<T[]>;
<T>(object: { [name: string]: Thenable<T> }): Promise<{ [name: string]: T }>;
(array: Thenable<any>[]): Promise<any[]>;
(object: { [name: string]: Thenable<any> }): Promise<{ [name: string]: any }>;
}
/* dojo/promise/first */
interface First {
/**
* Takes multiple promises and returns a new promise that is fulfilled
* when the first of these promises is fulfilled.
* @param objectOrArray The promises are taken from the array or object values. If no value
* is passed, the returned promise is resolved with an undefined value.
*/
<T>(objectOrArray?: PromiseTypedObjectOrArray<T>): Promise<T>;
(objectOrArray?: PromiseObjectOrArray): Promise<any>;
}
/* dojo/promise/instrumentation */
interface Instrumentation {
/**
* Initialize instrumentation for the Deferred class.
*/
(Deferred: DeferredConstructor): void;
}
/* dojo/promise/Promise */
type Thenable<T> = PromiseLike<T>;
interface PromiseCallback<T, U> {
(result: T): U | Thenable<U>;
}
interface PromiseErrback<U> {
(error: any): U | Thenable<U> | void;
}
interface PromiseProgback {
(progress: any): void;
}
interface Promise<T> extends Thenable<T> {
/**
* Inform the deferred it may cancel its asynchronous operation.
*/
cancel(reason?: any, strict?: boolean): any;
/**
* Checks whether the promise has been resolved.
*/
isResolved(): boolean;
/**
* Checks whether the promise has been rejected.
*/
isRejected(): boolean;
/**
* Checks whether the promise has been resolved or rejected.
*/
isFulfilled(): boolean;
/**
* Checks whether the promise has been canceled.
*/
isCanceled(): boolean;
/**
* Add a callback to be invoked when the promise is resolved
* or rejected.
*/
always<U>(callbackOrErrback: PromiseCallback<T, U> | PromiseErrback<U>): Promise<U>;
/**
* Add new errbacks to the promise. Follows ECMA specification naming.
*/
catch<U>(errback: PromiseErrback<U>): Promise<U>;
/**
* Add new errbacks to the promise.
*/
otherwise<U>(errback: PromiseErrback<U>): Promise<U>;
trace(): this;
traceRejected(): this;
toString(): string;
}
interface PromiseConstructor {
/**
* The public interface to a deferred.
*/
new <T>(): Promise<T>;
}
/* dojo/promise/tracer */
/* TODO: Uncomment for TS 1.8 */
/* type TracerEvent = 'resolved' | 'rejected' | 'progress'; */
interface Tracer {
/**
* Subscribe to traces.
*/
on(type: string /* TracerEvent */, listener: EventListener): Handle;
}
}
}