node-red-capitalize-first-word-in-sentence/capitalize-case.js

Node to capitalixe first word in the sentence

module.exports = function(RED) {
    function UpperCaseNode(config) {
        RED.nodes.createNode(this,config);
        var node = this;
        node.on('input', function(msg) {
            msg.payload = titleCase(msg.payload);
            node.send(msg);
        });
        function titleCase(str) {
            var splitStr = str.toLowerCase().split(' ');
            for (var i = 0; i < splitStr.length; i++) {
                // You do not need to check if i is larger than splitStr length, as your for does that for you
                // Assign it back to the array
                splitStr[i] = splitStr[i].charAt(0).toUpperCase() + splitStr[i].substring(1);     
            }
            // Directly return the joined string
            return splitStr.join(' '); 
         }
    }
    RED.nodes.registerType("capitalize-case",UpperCaseNode);
}