Function flatten

flatten<T>(array: any[], deep?: boolean): T[]
Flattens an array.

By default flattens one level. Set deep=true to fully flatten.
Type Parameters
- T
Parameters
- array: any[]
  The array to flatten.
- deep: boolean = false
  If true, flatten fully. Default: false.
Returns T[]
A new flattened array.
Example
```
flatten([1, [2, 3], [4, 5]]);
// → [1, 2, 3, 4, 5]

flatten([1, [2, [3, 4]]], true);
// → [1, 2, 3, 4]
```
Since
1.2.0
- Defined in array/flatten.ts:63