ramda-extension/es/isPromise.js

Helpful functions built on top of the mighty Ramda

import { allPass, o, prop } from 'ramda';
import isFunction from './isFunction';
import isObject from './isObject';
/**
 * Returns true if argument is Promise.
 *
 * @func
 * @category Type
 *
 * @example
 *
 *        R_.isPromise(Promise.resolve()) // true
 *    R_.isPromise(0) // false
 *
 * @sig a -> Boolean
 *
 */

var isPromise = /*#__PURE__*/allPass([isObject, /*#__PURE__*/o(isFunction, /*#__PURE__*/prop('then'))]);
export default isPromise;