fix: explicit undefined check in header transclude

Jacky Zhao

2023-11-19 516d9a27e7e2c08efdf24857b03f1831dbaf7da7

 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"