if (app.documents.length > 0) {
    var doc = app.activeDocument;
    
    // Save original settings
    var originalUnits = app.preferences.getIntegerPreference("rulerType");
    app.preferences.setIntegerPreference("rulerType", 1); // Set units to points

    for (var i = 0; i < doc.artboards.length; i++) {
        doc.artboards.setActiveArtboardIndex(i);
        var abBounds = doc.artboards[i].artboardRect; // [left, top, right, bottom]

        var left = abBounds[0];
        var top = abBounds[1];
        var right = abBounds[2];
        var bottom = abBounds[3];
        var width = right - left;
        var height = top - bottom;

        // Create a rectangle
        var rect = doc.pathItems.rectangle(top, left, width, height);
        rect.stroked = true;
        rect.filled = false;
        rect.strokeWidth = 1;
        rect.strokeColor = makeBlack();

        // Optional: send to back
        rect.zOrder(ZOrderMethod.SENDTOBACK);
    }

    // Restore original settings
    app.preferences.setIntegerPreference("rulerType", originalUnits);

    alert("Rectangles created for all artboards.");
} else {
    alert("Please open a document first.");
}

function makeBlack() {
    var black = new RGBColor();
    black.red = 0;
    black.green = 0;
    black.blue = 0;
    return black;
}

// Draw rectangle around  artboard in Adobe Illustrator







if (app.documents.length > 0 && app.activeDocument.selection.length > 0) {
    var doc = app.activeDocument;
    var sel = doc.selection;

    for (var i = 0; i < sel.length; i++) {
        var obj = sel[i];
        var bounds = obj.visibleBounds; // [x1, y1, x2, y2]

        // Create a new artboard around each object
        doc.artboards.add([bounds[0], bounds[1], bounds[2], bounds[3]]);
    }

    alert("Artboards created for each selected object.");
} else {
    alert("Please select at least one object.");
}