code.js

if (figma.command === 'copy') {
    let copyNodes = figma.currentPage.selection;
    figma.root.setPluginData('copiedNodes', JSON.stringify(copyNodes));
    figma.currentPage.setRelaunchData({});
    figma.closePlugin(`💾 Saved node in cache`);
}
if (figma.command === 'paste' || figma.command === 'pasteAndAdjustSize' || figma.command === 'placeOver') {
    let selectedNodes = figma.currentPage.selection;
    let copyNodes = null;
    let clonedNodes = [];
    try {
        copyNodes = JSON.parse(figma.root.getPluginData('copiedNodes'));
    }
    catch (e) {
        figma.closePlugin();
    }
    if (copyNodes && copyNodes[0] && copyNodes[0].id) {
        let findNode = figma.getNodeById(copyNodes[0].id);
        if (findNode) {
            if (selectedNodes.length > 0) {
                selectedNodes.forEach(element => {
                    if (!findNode.removed) {
                        let clonedNode = findNode.clone();
                        clonedNodes.push(clonedNode);
                        let index = element.parent.children.indexOf(element);
                        if (figma.command === 'placeOver') {
                            index++;
                        }
                        element.parent.insertChild(index, clonedNode);
                        clonedNode.x = element.x;
                        clonedNode.y = element.y;
                        if (figma.command === 'pasteAndAdjustSize') {
                            clonedNode.resize(element.width, element.height);
                        }
                        if (figma.command !== 'placeOver') {
                            element.remove();
                        }
                        figma.currentPage.selection = clonedNodes;
                    }
                    else {
                        figma.closePlugin(`Original node was removed! 🙁`);
                    }
                });
            }
            else {
                figma.closePlugin(`Select one or more nodes!`);
            }
        }
        else {
            figma.closePlugin(`Original node was removed! 🙁`);
        }
    }
    else {
        figma.closePlugin('Nothing copied or cache cleared?');
    }
}
if (figma.command === 'clear') {
    figma.root.setPluginData('copiedNodes', '{}');
    figma.closePlugin(`🗑 Cache cleared`);
}
figma.closePlugin();