fix: make filter checks more strict (closes #1519)

Jacky Zhao

2024-10-15 b3a02909ba74fff08cd3675707d1f4d782a24e98

 quartz/components/Header.tsx

@@ -1,6 +1,6 @@
import { QuartzComponentConstructor, QuartzComponentProps } from "./types"
import { QuartzComponent, QuartzComponentConstructor, QuartzComponentProps } from "./types"

function Header({ children }: QuartzComponentProps) {
const Header: QuartzComponent = ({ children }: QuartzComponentProps) => {
  return children.length > 0 ? <header>{children}</header> : null
}