Edit File: promise.md
# Promise _Promise_ instance ## `promise/is` Confirms if given object is a native _promise_ ```javascript const isPromise = require("type/promise/is"); isPromise(Promise.resolve()); // true isPromise({ then: () => {} }); // false isPromise({}); // false ``` ## `promise/ensure` If given argument is a promise, it is returned back. Otherwise `TypeError` is thrown. ```javascript const ensurePromise = require("type/promise/ensure"); const promise = Promise.resolve(); ensurePromise(promise); // promise eensurePromise({}); // Thrown TypeError: [object Object] is not a promise ```
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