ramda-adjunct/lib/isThenable.js

Ramda Adjunct is the most popular and most comprehensive set of utilities for use with Ramda, providing a variety of useful, well tested functions with excellent documentation.

"use strict";

exports.__esModule = true;
exports["default"] = void 0;

var _ramda = require("ramda");

var _isFunction = _interopRequireDefault(require("./isFunction"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }

/**
 * Checks if input value is a `thenable`.
 * `thenable` is an object or function that defines a `then` method.
 *
 * @func isThenable
 * @memberOf RA
 * @since {@link https://char0n.github.io/ramda-adjunct/2.1.0|v2.1.0}
 * @category Type
 * @sig * -> Boolean
 * @param {*} val The value to test
 * @return {boolean}
 * @see {@link RA.isPromise|isPromise}
 * @example
 *
 * RA.isThenable(null); // => false
 * RA.isThenable(undefined); // => false
 * RA.isThenable([]); // => false
 * RA.isThenable(Promise.resolve()); // => true
 * RA.isThenable(Promise.reject()); // => true
 * RA.isThenable({ then: () => 1 }); // => true
 */
var isThenable = (0, _ramda.pathSatisfies)(_isFunction["default"], ['then']);
var _default = isThenable;
exports["default"] = _default;