Build compact logic flows, reduce wiring complexity and create advanced automations with just a few lines of code. From smart data handling to dynamic text generation and complex conditions: everything runs inside one fast, flexible node.
Finally, real JavaScript scripting inside your logic project!
This logic node crushes the Formelberechnung, Textformatierer, JSON-Parser and many other logic nodes with it’s easy, flexible and lightweight use.
One block. Endless possibilities.
All examples and a code editor can be found here: https://www.roelbroersma.nl/scripting (see there for the very handy code editor which makes your scripts 1-liners)
The logic node has an Auto Update Check (during validation in the GPA) and during operation on the X1/L1 so you will get notified of updates!
Tip: Ask AI for a script (see below!)
This logic node is also available for the Gira Homeserver as a Baustein, so you can exchange scripts between X1/L1 and the Homeserver!
How it works:
Sending any value to the Trigger port (bool/number/text, even false or zero) will execute the script.
Output ports will always be set if you trigger the script. If the script doesn’t have a value for it, it will be 0.
Some examples:
Numbers
OUT1 = IN1 * 1.19; // Multiply with Mwst.
OUT1 = IN1 + IN2 + IN3 + (IN4+2) // Set Output sum.
OUT1 = IN1 + IN2; OUT2 = IN1 - IN2; // Set multiple outputs in one time
OUT1 = (IN1 / 255) * 100; // Devide and use ( and )
OUT1 = Math.round(IN1 * 100) / 100; // Math.round will always round on whole number, to have two decimals, device by 100.
OUT1 = Math.min(Math.max(IN1, 0), 100); // Limit the Input between 0 and 100
OUT1 = Math.abs(IN1); // Inverse: -5 -> 5
OUT1 = -IN1; // Also 5 -> -5
OUT1 = Math.pow(IN1, 2); // (power of 2): IN1²
OUT1 = Math.sqrt(IN1); // (taking the root): √IN1
Strings (text)
OUT1 = "Hello there!"; // Set a simple text to Output1
OUT1 = "Value is: " + IN1; // Set combined text+value. Example: "Value is: 10"
OUT1 = "My " + IN1 + " has " + IN2 + " homes"; // Concatenate Strings. Example: "My Son has 2 homes"
OUT1 = IN1.toString().substring(0, 5); // Take the first 5 characters (start at character 0)
OUT1 = IN1.toString().substring(0, 5); // Trim spaces
if (IN1.length > 10) OUT1 = IN1.substring(0, 10) + "..."; // Shorten text to 10 characters + "..."
else OUT1 = IN1;
OUT1 = IN1.toString().substring(0, 5); // Take the first 5 characters (start at character 0)
OUT1 = IN1.replace(/,/g,"."); // Replace all commas by dots.
OUT1 = IN1.slice(-3); // Remove last 3 characters
Logic
if (IN1=1) OUT1=1 // Use If to set output if IN1=1, otherwise OUT1 will be default/0.
var temp = IN1; // Declare a variable and use it or
OUT1 = tempt;
i=1;
OUT1 = this["IN"+1] // Computed variabe: OUT1=IN1
if (IN1 >= 50) OUT1 = 1; // Use if else
else OUT1 = 0;
if (IN1==1) OUT1 = 1; // Use if, elseif, else
else if (IN2==1) OUT1 = 2;
else if (IN3==1) OUT1 = 3;
else OUT1 = 0;
if (OUT1==1 && IN2==0) OUT2 = 123; // Read the value of OUT1
switch(IN1) { // Switch Logic (easier than if/elseif/else)
case 0: OUT1 = "OFF"; break;
case 1: OUT1 = "AUTO"; break;
case 2: OUT1 = "MANUAL"; break;
default: OUT1 = "UNKNOWN";
}
for (var i = 1; i <= 5; i++) { // A FOR Loop
if (this["IN" + i] == true) { // The computed variable IN1...IN5
OUT1 = i;
break;
}
}
JSON (extract data easily!)
Let’s assume the following sample JSON:
{
"device": {
"name": "LivingRoomController",
"status": "online",
"metrics": {
"temperature": 21.6,
"humidity": 48,
"power": 312.4
},
"modes": [
{ "id": 1, "name": "Auto", "active": true },
{ "id": 2, "name": "Eco", "active": false },
{ "id": 3, "name": "Boost", "active": false }
]
}
We can do the following:
var obj = JSON.parse(IN1); // Read Input1 as JSON
OUT1 = obj.device.name; // "LivingRoomController"
OUT2 = obj.device.metrics.temperature; // 21.6
OUT3 = obj.device.modes[0].name; // "Auto"
OUT4 = obj.device.modes[2].active; // false
OUT5 = obj.device.modes.length; // 3
OUT6 = obj.device.status + " / " + obj.device.metrics.power + "W";
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