Replace Layer Name.js

/**
 * Replace Layer Name
 *
 * Paste here:
 * /Applications/Adobe Photoshop Version/Presets/Scripts/Replace Layer Name.jsx
 */

var docRef = app.activeDocument;

cTID = function(s) { return app.charIDToTypeID(s); };
sTID = function(s) { return app.stringIDToTypeID(s); };

function newGroupFromLayers(doc) {
	var desc = new ActionDescriptor();
	var ref = new ActionReference();
	ref.putClass( sTID('layerSection') );
	desc.putReference( cTID('null'), ref );
	var lref = new ActionReference();
	lref.putEnumerated( cTID('Lyr '), cTID('Ordn'), cTID('Trgt') );
	desc.putReference( cTID('From'), lref);
	executeAction( cTID('Mk  '), desc, DialogModes.NO );
};

function undo() {
	executeAction(cTID("undo", undefined, DialogModes.NO));
};

function getSelectedLayers(doc) {
	var selLayers = [];
	newGroupFromLayers();

	var group = doc.activeLayer;
	var layers = group.layers;

	for (var i = 0; i < layers.length; i++) {
		selLayers.push(layers[i]);
	}

	undo();

	return selLayers;
};

var selectedLayers = getSelectedLayers(app.activeDocument);

// Getting the command contents
function getSystemCommandStdout (command)
{
	var stdout = "";
	var tempFile = new File (Folder.temp + "/temp.txt");
	app.system (command + " > " + tempFile.fsName);
	if (tempFile.open ("r"))
	{
		stdout = tempFile.read ();
		tempFile.close ();
		tempFile.remove ();
	}
	return stdout;
}

// Using Terminal/Command LIne
function GetClipboard(){
	var clipboard;
	if(File.fs == "Macintosh"){
		clipboard = getSystemCommandStdout("pbpaste");
	} else {
		clipboard = getSystemCommandStdout("Get-Clipboard");
	}
	return clipboard;
}

// Make String url friendly
function string_to_slug(str) {
	str = str.replace(/^\s+|\s+$/g, ''); // trim
	str = str.toLowerCase();

	// remove accents, swap ñ for n, etc
	var from = "àáäâèéëêìíïîòóöôùúüûñç·/_,:;";
	var to   = "aaaaeeeeiiiioooouuuunc------";
	for (var i=0, l=from.length ; i<l ; i++) {
		str = str.replace(new RegExp(from.charAt(i), 'g'), to.charAt(i));
	}

	str = str.replace(/[^a-z0-9 -]/g, '') // remove invalid chars
	.replace(/\s+/g, "-")
	.replace(/[^\w\-]+/g, "")
	.replace(/\-\-+/g, "-")
	.replace(/^-+/, "")
	.replace(/-+$/, "");

	return str;
}

for( i = 0; i < selectedLayers.length; i++) {
	selectedLayers[i].selected = true;
	docRef.activeLayer = selectedLayers[i];
	docRef.activeLayer.name = string_to_slug( GetClipboard() );
}