feature/use-setup-api-for-user-and-about-pages (#929)

Co-authored-by: Dominik Pschenitschni <mail@celement.de>
Reviewed-on: https://kolaente.dev/vikunja/frontend/pulls/929
Reviewed-by: konrad <k@knt.li>
Co-authored-by: dpschen <dpschen@noreply.kolaente.de>
Co-committed-by: dpschen <dpschen@noreply.kolaente.de>

src/composables/useTitle.ts

@@ -0,0 +1,12 @@
+import { computed, watchEffect } from 'vue'
+import { setTitle } from '@/helpers/setTitle'
+
+import { ComputedGetter, ComputedRef } from '@vue/reactivity'
+
+export function useTitle<T>(titleGetter: ComputedGetter<T>) : ComputedRef<T> {
+	const titleRef = computed(titleGetter)
+
+	watchEffect(() => setTitle(titleRef.value))
+
+	return titleRef
+}