我需要运行在 DOM 完全更新后发出事件的函数。我将 Svelte 与 Electron.js 结合起来。该页面用作PDF生成器，它从主进程加载数据，然后更新自身，最后通知主进程所有内容都已加载，并且主进程截图了该内容（PDF进程）。所以代码：
\n\n\n onMount(() => {\n // Asks for the data, emits event\n ipc.send(\'PDFWindowReady\');\n });\n\n ipc.on(\'PDFLoadContent\',(event,data)=>{\n // Gets the data, event listener\n const content = data.data;\n\n // Assigns the data to a particular variable\n contractorEnterprise = content.contractor.enterprise;\n contractorAddress = content.contractor.street;\n contractorCity = content.contractor.city;\n\n //long list of assignments\n\n output = data.output;\n // Renders empty PDF, that means, that DOM has not re-rendered yet\n // I need to ensure that it has, then execute …