Applying a font to a text layer using a script - PS 2025 OSX

If I remember correctly, scripting fonts can sometimes be tricky, do you only wish to change the existing font but no other attributes should be changed, such as size, colour, etc.?

One example:

https://www.mightyplugins.cc/magic-scripts

This is a basic example of setting text properties.

layerUpdate();

function layerUpdate(){
    if(documents.length > 0){
        var originalDialogMode = app.displayDialogs;
        app.displayDialogs = DialogModes.ERROR;
        var originalRulerUnits = preferences.rulerUnits;
        try{
            var docRef = activeDocument;
            preferences.rulerUnits = Units.POINTS;
            for(var i = 0; i < docRef.artLayers.length; i++){
                var LayerRef = docRef.artLayers[i];
                if(LayerRef.kind == LayerKind.TEXT){
                    var TextRef = LayerRef.textItem;
                    TextRef.size = 32;
                    TextRef.useAutoLeading = false;
                    TextRef.leading = 32;
                    TextRef.font = 'Calibri';
                    TextRef.justification = Justification.CENTER;
                    TextRef.autoKerning = AutoKernType.METRICS;
                    }
                }
            preferences.rulerUnits = originalRulerUnits;
            app.displayDialogs = originalDialogMode;
            }
        catch(e){
            }
        }
    }