Add is.asyncIterable

This commit is contained in:
Artur 2018-07-07 20:22:00 +03:00
parent 77a86c0fe3
commit c362c2d0b0

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@ -136,7 +136,7 @@ namespace is { // tslint:disable-line:no-namespace
export const nullOrUndefined = (value: any): value is null | undefined => null_(value) || undefined(value);
export const object = (value: any): value is object => !nullOrUndefined(value) && (function_(value) || isObject(value));
export const iterable = (value: any): value is IterableIterator<any> => !nullOrUndefined(value) && function_(value[Symbol.iterator]);
export const asyncIterable = (value: any): value is AsyncIterableIterator<any> => !nullOrUndefined(Symbol.asyncIterator) && typeof value[Symbol.asyncIterator] === 'function';
export const asyncIterable = (value: any): value is AsyncIterableIterator<any> => !nullOrUndefined(Symbol.asyncIterator) && function_(value[Symbol.asyncIterator]);
export const generator = (value: any): value is Generator => iterable(value) && function_(value.next) && function_(value.throw);
export const nativePromise = (value: any): value is Promise<any> =>