fix(toc): Fixed headers in second ToC element not highlight-able

Stephen Tse

2025-03-31 21190255137e37d1f023205b11489953b3b3257a

 quartz/util/resources.tsx

@@ -65,3 +65,10 @@
  js: JSResource[]
  additionalHead: (JSX.Element | ((pageData: QuartzPluginData) => JSX.Element))[]
}

export type StringResource = string | string[] | undefined
export function concatenateResources(...resources: StringResource[]): StringResource {
  return resources
    .filter((resource): resource is string | string[] => resource !== undefined)
    .flat()
}