National Preventative Mechanism

    DefinitelyTyped icon, indicating that this package has TypeScript declarations provided by the separate @types/redis-scripto package

    0.1.3 • Public • Published

    Build Status node-redis-scripto

    Intelligent Redis Lua Script Manager for NodeJS

    • Lua Scripting on Redis (2.6+) is a killer feature
    • But using them with NodeJs is painful
    • We've to maintain lua script in JavaScript as string or load them via the filesystem manually
    • If we are looking at network performance, we've to manually invoke script load and evasha manually

    Scripto manages lua scripts for you

    • You can place lua script in a directory
    • Just tell the dirname to scripto, it will take care of lua scripts
        var Scripto = require('redis-scripto');
        var scriptManager = new Scripto(redisClient);
        var keys    = ['keyOne', 'keyTwo'];
        var values  = [10, 20];'your-script', keys, values, function(err, result) {

    Scripto is intelligent

    • By default scripto tries to load scripts into redis (via script load)
    • While scripts are loading, if a script invoked with .run() it will use eval and send the plaintext lua script to redis
    • After scripts loaded, if a script invoked with .run() it will use evalsha and does not send plaintext lua script
    • If the connection to redis dropped, it will remove shas and try again to load scripts once it back online

    You've the control with Scripto

    • if you need to send the plaintext lua script always. use .eval() method
        scriptManager.eval('your-script', keys, values, function(err, result) {
    • If you just need to load a single script, see following example
        var scriptManager = new Scripto(redisClient);
        scriptManager.loadFromFile('script-one', '/path/to/the/file');'script-one', [], [], function(err, result) {
    • If you need to load scripts just using JavaScript (without loading from the filesystem), see following example.
        var scripts = {
            'script-one': 'return 1000'
        var scriptManager = new Scripto(redisClient);
        scriptManager.load(scripts);'script-one', [], [], function(err, result) {


    npm i redis-scripto

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