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Redis with Nodejs

yarn install redis and use the controller. Example controller setup. Use promises to enable sequential optionality.

const redis = require('redis'); function setHashSet(key, field, value) { return new Promise((resolve, reject) => { client.hset(key, field, value, (err, res) => { if (err) reject(err); resolve(res); }); }); } function getHashSet(key) { return new Promise((resolve, reject) => { client.hvals(key, (err, res) => { if (err) reject(err); resolve(res); }); }); } function delKey(key) { return new Promise((resolve, reject) => { client.del(key, (err, res) => { if (err) reject(err); resolve(res); }); }); } function getKeys(key) { return new Promise((resolve, reject) => { client.hkeys(key, (err, res) => { if (err) reject(err); resolve(res); }); }); } function getValue(key, field) { return new Promise((resolve, reject) => { client.hget(key, field, (err, res) => { if (err) reject(err); resolve(res); }); }); } function setArray(key, arr) { return new Promise((resolve, reject) => { client.sadd(key, ...arr, (err, res) => { if (err) reject(err); resolve(res); }); }); } function getArray(key) { return new Promise((resolve, reject) => { client.smembers(key, (err, res) => { if (err) reject(err); resolve(res); }); }); } function getListLen(key) { return new Promise((resolve, reject) => { client.llen(key, (err, res) => { if (err) reject(err); resolve(res); }); }); } function pushToListEnd(key) { return new Promise((resolve, reject) => { client.rpush(key, (err, res) => { if (err) reject(err); resolve(res); }); }); } function popFromListStart(key) { return new Promise((resolve, reject) => { client.lpop(key, (err, res) => { if (err) reject(err); resolve(res); }); }); } function deleteArrayMember(key, value) { return new Promise((resolve, reject) => { client.srem(key, value, (err, res) => { if (err) reject(err); resolve(res); }); }); } module.exports = { setHashSet, getHashSet, getKeys, getValue, setArray, getArray, deleteArrayMember, getListLen, pushToListEnd, popFromListStart };

Repository

https://github.com/okeeffed/developer-notes-nextjs/content/redis/redis-nodejs

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