fix: ensure code exists inside pre before adding clipboard

Jacky Zhao

2023-08-20 7b7064ad2be68e8d6d43123c12529ca94a325fcb

 quartz/components/types.ts

@@ -1,5 +1,5 @@
import { ComponentType, JSX } from "preact"
import { StaticResources } from "../resources"
import { StaticResources } from "../util/resources"
import { QuartzPluginData } from "../plugins/vfile"
import { GlobalConfiguration } from "../cfg"
import { Node } from "hast"