iana-tz-json-generator-and-importer/src/extract-tz-data/extract-geographic-area-and-location.ts

Quickly get timezone names and metadata from the IANA into your application in the format you want.

export function extractGeographicAreaAndLocation(input: string): {geographicArea: string, location: string} {
    const firstSlash = input.indexOf('/');
    const geographicArea = input.slice(0, firstSlash);
    // + 1 (don't actually copy the first slash)
    const location = input.slice(firstSlash + 1, input.length);
    return {geographicArea, location}
}