@tmlmobilidade/types/dist/gtfs-new/mapper.js

/* * */
/* * */
export function createGtfsMapper(map) {
    const forward = map;
    const reverse = Object.entries(map).reduce((acc, [key, value]) => {
        acc[value] = key;
        return acc;
    }, {});
    return {
        fromGtfs: (value) => {
            const mapped = reverse[value];
            if (mapped === undefined)
                throw new Error(`No GTFS→Our mapping for: ${value}`);
            return mapped;
        },
        toGtfs: (value) => {
            const mapped = forward[value];
            if (mapped === undefined)
                throw new Error(`No Our→GTFS mapping for: ${value}`);
            return mapped;
        },
    };
}