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13 lines
546 B
13 lines
546 B
2 months ago
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// @ts-nocheck
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import {isFunction} from '../isFunction'
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import {isObject} from '../isObject'
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/**
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* 检查一个值是否为 Promise 类型
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* @param val 要检查的值
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* @returns 如果值的类型是 Promise 类型，则返回 true；否则返回 false
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*/
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export const isPromise = <T = any>(val: unknown): val is Promise<T> => {
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// 使用 isObject 函数判断值是否为对象类型
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// 使用 isFunction 函数判断值是否具有 then 方法和 catch 方法
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return isObject(val) && isFunction(val.then) && isFunction(val.catch);
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};
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