/* eslint-disable no-instanceof/no-instanceof */
import { CreateCache } from "@gomomento/sdk-core";
/**
 * Utility function to ensure that a Momento cache exists.
 * If the cache does not exist, it is created.
 *
 * @param client The Momento cache client.
 * @param cacheName The name of the cache to ensure exists.
 */
export async function ensureCacheExists(client, cacheName) {
    const createResponse = await client.createCache(cacheName);
    if (createResponse instanceof CreateCache.Success ||
        createResponse instanceof CreateCache.AlreadyExists) {
        // pass
    }
    else if (createResponse instanceof CreateCache.Error) {
        throw createResponse.innerException();
    }
    else {
        throw new Error(`Unknown response type: ${createResponse.toString()}`);
    }
}