node-red-contrib-time-converter/time-converter.js

A Node-RED node that converts seconds to mm:ss format and outputs it.

module.exports = function(RED) {
    function TimeConverterNode(config) {
        RED.nodes.createNode(this, config);
        const node = this;
        node.on("input", function(msg, send, done) {
            try {
                let min = Math.floor(msg.payload / 60);
                let sec = msg.payload % 60;
                let c = String(min) + ":" + String(sec).padStart(2, "0");
                msg.payload=c
                send(msg);
                if (done) done();
            } catch (err) {
                if (done) {
                    done(err);
                } else {
                    node.error(err, msg);
                }
            }
        });
    }
    RED.nodes.registerType("time-converter", TimeConverterNode);
}