@squareboat/nest-cache/dist/drivers/redis.js

The cache package for your NestJS Applications

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.RedisDriver = void 0;
const ioredis_1 = require("ioredis");
class RedisDriver {
    constructor(options) {
        this.options = options;
        this.client = new ioredis_1.default(Object.assign({}, options));
    }
    get(key) {
        return __awaiter(this, void 0, void 0, function* () {
            const value = yield this.client.get(`${this.options.prefix}:::${key}`);
            if (!value)
                return null;
            try {
                return JSON.parse(value);
            }
            catch (e) {
                return value;
            }
        });
    }
    set(key, value, ttlInSec) {
        return __awaiter(this, void 0, void 0, function* () {
            const redisKey = `${this.options.prefix}:::${key}`;
            if (ttlInSec) {
                yield this.client.set(redisKey, JSON.stringify(value), "EX", ttlInSec);
                return;
            }
            yield this.client.set(redisKey, JSON.stringify(value));
        });
    }
    has(key) {
        return __awaiter(this, void 0, void 0, function* () {
            const num = yield this.client.exists(`${this.options.prefix}:::${key}`);
            return !!num;
        });
    }
    remember(key, cb, ttlInSec) {
        return __awaiter(this, void 0, void 0, function* () {
            const exists = yield this.has(key);
            if (exists)
                return this.get(key);
            try {
                const response = yield cb();
                yield this.set(key, response, ttlInSec);
                return response;
            }
            catch (e) {
                throw e;
            }
        });
    }
    rememberForever(key, cb) {
        return __awaiter(this, void 0, void 0, function* () {
            const exists = yield this.has(key);
            if (exists)
                return this.get(key);
            try {
                const response = yield cb();
                yield this.set(key, response);
                return response;
            }
            catch (e) {
                throw e;
            }
        });
    }
    forget(key) {
        return __awaiter(this, void 0, void 0, function* () {
            yield this.client.del(this.storeKey(key));
        });
    }
    storeKey(key) {
        return `${this.options.prefix}:::${key}`;
    }
    getClient() {
        return this.client;
    }
}
exports.RedisDriver = RedisDriver;