isPromise | /is_promise.ts | isx@1.1.1

Collection of validation functions for JavaScript data

function isPromise

import { isPromise } from "https://deno.land/x/isx@1.1.1/is_promise.ts";

isPromise<T>(input: unknown): input is Promise<T>

Whether the input is Promise or not.

Examples

Example 1

import { isPromise } from "https://deno.land/x/isx@$VERSION/is_promise.ts"
import { assertEquals } from "https://deno.land/std/testing/asserts.ts"
assertEquals(isPromise(Promise.resolve()), true)
assertEquals(isPromise({}), false)

Type Parameters

Parameters

input: unknown

Any input.

Returns

input is Promise<T>