precompSelected.jsx

//Snippet to precomp all selected layers into separate comps
//CC-BY, Nik Ska, 2014


var precompSelected = this;

precompSelected.go = function(_moveAllAttributes){
	var activeComp = app.project.activeItem;
	if(activeComp && activeComp instanceof CompItem){
		var sel = activeComp.selectedLayers;
		if(sel){
			app.beginUndoGroup("Batch Precomp");
			//sort selection by index
			sel = sel.sort(function(a,b){
				return (b.index - a.index)
			});

			for(var s = sel.length-1; s>=0; s--){

				//check for Text of Shape layers
				if(sel[s] instanceof ShapeLayer || sel[s] instanceof TextLayer) move = true;
				else move = _moveAllAttributes;

				var p = activeComp.layers.precompose([sel[s].index], sel[s].name+"_precomp", move);
				p.parentFolder = activeComp.parentFolder;
			}
			app.endUndoGroup();
		}
	}
}

precompSelected.go(false)