index.js
320 Bytes
'use strict';
const isPromise = input => (
input instanceof Promise ||
(
input !== null &&
typeof input === 'object' &&
typeof input.then === 'function' &&
typeof input.catch === 'function'
)
);
module.exports = isPromise;
// TODO: Remove this for the next major release
module.exports.default = isPromise;