Function by

by<V, K>(
selector: (value: V) => K,
comparator?: (a: K, b: K) => number,
): (a: V, b: V) => number
Creates a comparator that compares values by a selected key.

Extracts a comparable key from each value using the selector function, then applies the specified comparator to the keys.
Type Parameters
- V
  The type of values to compare
- K
  The type of keys to compare
Parameters
- selector: (value: V) => K
  Function that extracts the comparison key from a value
- comparator: (a: K, b: K) => number = ascending
  Comparator to apply to the extracted keys (defaults to ascending)
Returns (a: V, b: V) => number
A comparator function that compares values by their selected keys
- Defined in order.ts:155