@graphql-mesh/cache-redis/esm/index.js

import Redis from 'ioredis';
import RedisMock from 'ioredis-mock';
import { process } from '@graphql-mesh/cross-helpers';
import { stringInterpolator } from '@graphql-mesh/string-interpolation';
function interpolateStrWithEnv(str) {
    return stringInterpolator.parse(str, { env: process.env });
}
export default class RedisCache {
    constructor(options) {
        const lazyConnect = options.lazyConnect !== false;
        if (options.url) {
            const redisUrl = new URL(interpolateStrWithEnv(options.url));
            if (!['redis:', 'rediss:'].includes(redisUrl.protocol)) {
                throw new Error('Redis URL must use either redis:// or rediss://');
            }
            if (lazyConnect) {
                redisUrl.searchParams.set('lazyConnect', 'true');
            }
            redisUrl.searchParams.set('enableAutoPipelining', 'true');
            redisUrl.searchParams.set('enableOfflineQueue', 'true');
            options.logger.debug(`Connecting to Redis at ${redisUrl.toString()}`);
            this.client = new Redis(redisUrl?.toString());
        }
        else {
            const parsedHost = interpolateStrWithEnv(options.host?.toString());
            const parsedPort = interpolateStrWithEnv(options.port?.toString());
            const parsedPassword = interpolateStrWithEnv(options.password?.toString());
            if (parsedHost) {
                options.logger.debug(`Connecting to Redis at ${parsedHost}:${parsedPort}`);
                this.client = new Redis({
                    host: parsedHost,
                    port: parseInt(parsedPort),
                    password: parsedPassword,
                    ...(lazyConnect ? { lazyConnect: true } : {}),
                    enableAutoPipelining: true,
                    enableOfflineQueue: true,
                });
            }
            else {
                options.logger.debug(`Connecting to Redis mock`);
                this.client = new RedisMock();
            }
        }
        const id = options.pubsub.subscribe('destroy', () => {
            this.client.disconnect(false);
            options.pubsub.unsubscribe(id);
        });
    }
    async set(key, value, options) {
        const stringifiedValue = JSON.stringify(value);
        if (options?.ttl) {
            await this.client.set(key, stringifiedValue, 'EX', options.ttl);
        }
        else {
            await this.client.set(key, stringifiedValue);
        }
    }
    async get(key) {
        const reply = await this.client.get(key);
        if (reply !== null) {
            const value = JSON.parse(reply);
            return value;
        }
        return undefined;
    }
    async getKeysByPrefix(prefix) {
        return this.client.keys(`${prefix}*`);
    }
    async delete(key) {
        try {
            await this.client.del(key);
            return true;
        }
        catch (e) {
            return false;
        }
    }
}