Function mapKeys

mapKeys<T>(record, transformer): Record<string, T>
Applies the given transformer to all keys in the given record's entries and returns a new record containing the transformed entries.

If the transformed entries contain the same key multiple times, only the last one will appear in the returned record.
Type Parameters
- T
  The type of the values in the input record.
Parameters
- record: Readonly<Record<string, T>>
  The record to map keys from.
- transformer: ((key: string) => string)
  The function to transform each key.
  - - (key): string
    - Parameters
      key: string
      Returns string
Returns Record<string, T>
A new record with all keys transformed by the given transformer.
Example: Basic usage
```
import { mapKeys } from "@std/collections/map-keys";
import { assertEquals } from "@std/assert";

const counts = { a: 5, b: 3, c: 8 };

assertEquals(
  mapKeys(counts, (key) => key.toUpperCase()),
  {
    A: 5,
    B: 3,
    C: 8,
  },
);
```
- Defined in collections/map_keys.ts:35