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# is-mergeable-object
<!--js
const isMergeableObject = require('./')
-->
The biggest difficulty deep merge libraries run into is figuring out which properties of an object should be recursively iterated over.
This module contains the algorithm used by [`deepmerge`](https://github.com/KyleAMathews/deepmerge/).
<!--js
const someReactElement = {
$$typeof: Symbol.for('react.element')
}
-->
```js
isMergeableObject(null) // => false
isMergeableObject({}) // => true
isMergeableObject(new RegExp('wat')) // => false
isMergeableObject(undefined) // => false
isMergeableObject(new Object()) // => true
isMergeableObject(new Date()) // => false
isMergeableObject(someReactElement) // => false
```
|
