Pls help) changing text layers to one line text photoshop script

Presuming that "hard" paragraph returns are used, not shift "soft" returns:

/*
Text Replace in All Text Layers and Groups.jsx
v1.0 - 25th July 2024, Stephen Marsh
https://community.adobe.com/t5/photoshop-ecosystem-discussions/batch-adding-line-break-behind-every-comma-of-text-layer/m-p/14753971
*/

#target photoshop

if (app.documents.length > 0) {
    var doc = app.activeDocument;
    processLayersAndGroups(doc.layers);
} else {
    alert("A document must be open to run this script!");
}

function changeTextContents(layer) {
    // Check if the layer is a text layer
    if (layer.kind == LayerKind.TEXT) {
        // Regular expression to change comma+space to comma+return
        layer.textItem.contents = layer.textItem.contents.replace(/\r/g, '');
    }
}

function processLayersAndGroups(layers) {
    // Recursively process the root/top-level layers
    for (var i = 0; i < layers.length; i++) {
        var layer = layers[i];
        if (layer.typename == "ArtLayer") {
            changeTextContents(layer);
            // Recursively process the layers within all groups
        } else if (layer.typename == "LayerSet") {
            processLayersAndGroups(layer.layers);
        }
    }
}

Or:

/*
Utility PS Scripts created by David M. Converse ©2018-21

This script is a demo of replacing text

Last modified 6/2/2021

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#target photoshop

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;
                    var layerText = TextRef.contents;
                    var newText = layerText.replace(/\r/g, '');
                    TextRef.contents= newText;
                    }
                }
            preferences.rulerUnits = originalRulerUnits;
            app.displayDialogs = originalDialogMode;
            }
        catch(e){
            }
        }
    }