28 lines
641 B
Plaintext
28 lines
641 B
Plaintext
# Thenable
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_Thenable_ object (an object with `then` method)
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## `thenable/is`
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Confirms if given object is a _thenable_
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```javascript
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const isThenable = require("type/thenable/is");
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isThenable(Promise.resolve()); // true
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isThenable({ then: () => {} }); // true
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isThenable({}); // false
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```
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## `thenable/ensure`
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If given argument is a _thenable_ object, it is returned back. Otherwise `TypeError` is thrown.
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```javascript
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const ensureThenable = require("type/thenable/ensure");
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const promise = Promise.resolve();
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ensureThenable(promise); // promise
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ensureThenable({}); // Thrown TypeError: [object Object] is not a thenable object
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```
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