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@teamhive/nestjs-common

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Our common decorators, services, etc for NestJS projects

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"use strict"; var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) { var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d; if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc); else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r; return c > 3 && r && Object.defineProperty(target, key, r), r; }; var __metadata = (this && this.__metadata) || function (k, v) { if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v); }; var __param = (this && this.__param) || function (paramIndex, decorator) { return function (target, key) { decorator(target, key, paramIndex); } }; Object.defineProperty(exports, "__esModule", { value: true }); exports.RedisProvider = exports.RedisClient = void 0; const common_1 = require("@nestjs/common"); const EventEmitter = require("events"); const redis = require("redis"); const application_tokens_const_1 = require("../../application-tokens.const"); const redis_configuration_provider_1 = require("../redis-configuration/redis-configuration.provider"); let RedisClient = class RedisClient extends EventEmitter { constructor(redisConfiguration) { super(); this.redisConfiguration = redisConfiguration; this.pingRate = 60000; this.maxTotalRetryTime = 10000; this.connection = this.setupClient(); this.pingRedis(); } setupClient() { const self = this; const client = redis.createClient(Object.assign({ retry_strategy(options) { if (options.totalRetryTime > self.maxTotalRetryTime) { self.emit('error', new Error('Retry time exhausted, creating new client connection...')); client.quit(); self.connection = self.setupClient(); return; } return Math.min(options.attempt * 100, 3000); }, enable_offline_queue: false }, this.redisConfiguration)); this.emitClientEvents(client); return client; } emitClientEvents(client) { client.on('error', error => this.emit('error', error)); client.on('ready', () => this.emit('ready')); client.on('reconnecting', () => this.emit('reconnecting')); client.on('end', () => this.emit('end')); } pingRedis() { setInterval(() => { if (this.connection && this.connection.ping) { this.connection.ping(); } }, this.pingRate); } }; RedisClient = __decorate([ (0, common_1.Injectable)(), __param(0, (0, common_1.Inject)(redis_configuration_provider_1.RedisConfigurationToken)), __metadata("design:paramtypes", [Object]) ], RedisClient); exports.RedisClient = RedisClient; exports.RedisProvider = { provide: application_tokens_const_1.ApplicationTokens.RedisClientToken, useClass: RedisClient };