mapObjKeys

mapObjKeys<T>(obj, fn): Record<string, T>

Defined in: object/map-obj-keys.ts:16

Maps the keys of an object using a provided mapping function.

Type Parameters

T

T

Parameters

obj

Record<string, T>

The input object whose keys are to be mapped.

fn

(key, value) => string

The mapping function that takes a key and its corresponding value, and returns a new key.

Returns

Record<string, T>

A new object with keys transformed by the mapping function and the same values as the input object.

Example

const original = { a: 1, b: 2, c: 3 };
const mapped = mapObjKeys(original, (key, value) => key.toUpperCase());
// mapped is { A: 1, B: 2, C: 3 }