Record Type for Maps

Background

Record<K, V> creates an object type with keys K and values V, useful for configuration maps and lookup tables.

Problem

Create a Record type for a configuration map where keys are known setting names and values are strings, with a function to get settings safely.

Input

A setting key from a known set of strings.

Output

The string value for that setting, or undefined.

Sample tests

Input: "theme"

Expected: "dark"

Your solution

Learning objective

Learn the Record utility type for creating type-safe key-value maps.