Function sortByCb

sortByCb<T>(key?: (item: T) => unknown): (a: T, b: T) => number
Creates sort callback which can be used for array.sort input. A custom key function can be supplied to customize the sort order. Key can return any nested data structure, supports number, booleans, arrays.
Type Parameters
- T
Parameters
- key: (item: T) => unknown = ...
  a function to execute to decide the order
Returns (a: T, b: T) => number
array.sort compatible callback
Example
```
// Sort by object key
arr.sort(sortByCb(v => v.myKey))
// Sort by number in reversed order
arr.sort(sortByCb(v => v.numberKey * -1))
// Sort by object key, then by boolean value in revered order
arr.sort(sortByCb(v => [v.myKey, !v.boolValue])
```
- Defined in src/array.ts:21