Frontend typing fixes, removing dead code.

frontend/src/components/HeaderMain.vue

@@ -9,7 +9,7 @@
       <SvgButton
         name="create-folder"
         data-tooltip="New folder"
-        @click="() => documentStore.fileExplorer.newFolder()"
+        @click="() => documentStore.fileExplorer!.newFolder()"
       />
       <slot></slot>
       <div class="spacer smallgap"></div>
@@ -42,15 +42,15 @@ const showSearchInput = ref<boolean>(false)
 const search = ref<HTMLInputElement | null>()
 const searchButton = ref<HTMLButtonElement | null>()
 
-const closeSearch = ev => {
+const closeSearch = (ev: Event) => {
   if (!showSearchInput.value) return  // Already closing
   showSearchInput.value = false
   const breadcrumb = document.querySelector('.breadcrumb') as HTMLElement
   breadcrumb.focus()
   updateSearch(ev)
 }
-const updateSearch = ev => {
-  const q = ev.target.value
+const updateSearch = (ev: Event) => {
+  const q = (ev.target as HTMLInputElement).value
   let p = props.path.join('/')
   p = p ? `/${p}` : ''
   const url = q ? `${p}//${q}` : (p || '/')
@@ -58,9 +58,9 @@ const updateSearch = ev => {
   if (!props.query && q) router.push(url)
   else router.replace(url)
 }
-const toggleSearchInput = () => {
+const toggleSearchInput = (ev: Event) => {
   showSearchInput.value = !showSearchInput.value
-  if (!showSearchInput.value) return closeSearch()
+  if (!showSearchInput.value) return closeSearch(ev)
   nextTick(() => {
     const input = search.value
     if (input) input.focus()