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Add option to dynamically pass in 'From' and 'To' - fixed bug when 'From' was greater than 'To' by flipping the two

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juggledad 2020-10-26 04:00:57 -04:00 committed by GitHub
parent 3b7fb0aa95
commit eaa1acf83a
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1 changed files with 33 additions and 2 deletions
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35
function/random/random.js
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@ -3,13 +3,44 @@ module.exports = function(RED) {
"use strict";
function RandomNode(n) {
RED.nodes.createNode(this,n);
this.low = Number(n.low || 1);
this.high = Number(n.high || 10);
this.low = Number(n.low) || "";
this.high = Number(n.high) || "";
this.inte = n.inte || false;
this.property = n.property||"payload";
var node = this;
this.on("input", function(msg) {
if (node.low === "") {
node.low = 1
if ('from' in msg) {
if ( (typeof msg.from === 'number')
|| ( (typeof msg.from === 'string') && (!isNaN(Number(msg.from)) ) )) {
node.low = Number(msg.from)
}
}
}
if (node.high === "") {
node.high = 10
if ('to' in msg) {
if ( (typeof msg.to === 'number')
|| ( (typeof msg.to === 'string') && (!isNaN(Number(msg.to)) ) )) {
node.high = Number(msg.to)
}
}
}
// flip the values if low > high
var value;
if (node.low > node.high) {
value = node.low
node.low = node.high
node.high = value
}
if (node.inte == "true" || node.inte === true) {
value = Math.round(Math.random() * (node.high - node.low + 1) + node.low - 0.5);
}