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- # `whenEmpty()`
-
- The `whenEmpty` method will execute the given callback when the collection is empty:
-
- ```js
- const collection = collect([]);
-
- collection.whenEmpty(c => c.push('Mohamed Salah'));
-
- collection.all();
-
- // ['Mohamed Salah']
- ```
-
- ```js
- const collection = collect(['Sadio Mané']);
-
- collection.whenEmpty(
- c => c.push('Mohamed Salah'),
- c => c.push('Xherdan Shaqiri'),
- );
-
- collection.all();
-
- // [
- // 'Sadio Mané',
- // 'Xherdan Shaqiri',
- // ];
- ```
-
- [View source on GitHub](https://github.com/ecrmnn/collect.js/blob/master/src/methods/whenEmpty.js)
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