#target photoshop

var doc = app.activeDocument;
var outputFolder = Folder.selectDialog("Select output folder");

if (outputFolder) {
    var layers = doc.artLayers;
    var backgroundLayer = null;

    // Find the background layer
    for (var i = 0; i < layers.length; i++) {
        if (layers[i].isBackgroundLayer) {
            backgroundLayer = layers[i];
            break;
        }
    }

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

        // Make sure all layers are hidden first
        for (var j = 0; j < layers.length; j++) {
            layers[j].visible = false;
        }

        // Make the current layer visible
        layer.visible = true;

        // Duplicate the document
        var newDoc = doc.duplicate();

        // Remove all layers except the current one and the background layer
        for (var k = newDoc.artLayers.length - 1; k >= 0; k--) {
            var artLayer = newDoc.artLayers[k];
            if (artLayer != layer && (backgroundLayer && artLayer != backgroundLayer)) {
                artLayer.remove();
            }
        }

        // Save as PNG
        var pngFile = new File(outputFolder + "/" + layer.name + ".png");
        var pngSaveOptions = new PNGSaveOptions();
        pngSaveOptions.compression = 9; // Compression level (0-9)
        newDoc.saveAs(pngFile, pngSaveOptions, true, Extension.LOWERCASE);

        // Close the duplicated document
        newDoc.close(SaveOptions.DONOTSAVECHANGES);
    }

    alert("Layer export is complete.");
}