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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | 12x 12x 7x 1x 6x 6x 5x 5x 3x 3x 2x 2x 2x 2x 2x 12x | /**
* An adapter for the ioredis redis client
* https://github.com/luin/ioredis
* @class
*/
class IORedisAdapter {
constructor (IORedis) {
this.IORedis = IORedis
this.isConnected = false
}
/**
* @param {String} url Redis connection url
* @param {Number} connectTimeout How long to wait when connecting, before timing out
*/
connect (url, connectTimeout) {
if (this.redis) {
return this.redis.connect()
}
return new Promise((resolve, reject) => {
this.redis = new this.IORedis(url, {
connectTimeout
})
.on('connect', () => {
this.isConnected = true
return resolve(true)
})
.on('error', (err) => {
this.isConnected = false
return reject(err)
})
.on('close', () => {
this.isConnected = false
})
})
}
/**
* Disconnects from redis
*/
close () {
Eif (this.redis) {
return this.redis.disconnect()
}
}
/**
* Attempts to ping redis
* @return {Promise.<Boolean>|Error}
*/
ping () {
Eif (this.redis) {
return this.redis.ping()
}
return Promise.reject(new Error('Redis instance does not exist'))
}
}
module.exports = IORedis => new IORedisAdapter(IORedis)
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