chore: Move to Typescript (#2783)

This PR moves the entire project to Typescript. Due to the ~1000 ignores this will lead to a messy codebase for a while, but the churn is worth it – all of those ignore comments are places that were never type-safe previously.

closes #1282

app/components/DocumentViews.tsx

@@ -0,0 +1,74 @@
+import { formatDistanceToNow } from "date-fns";
+import { sortBy } from "lodash";
+import { observer } from "mobx-react";
+import * as React from "react";
+import { useTranslation } from "react-i18next";
+import Document from "~/models/Document";
+import Avatar from "~/components/Avatar";
+import ListItem from "~/components/List/Item";
+import PaginatedList from "~/components/PaginatedList";
+import useStores from "~/hooks/useStores";
+
+type Props = {
+  document: Document;
+  isOpen?: boolean;
+};
+
+function DocumentViews({ document, isOpen }: Props) {
+  const { t } = useTranslation();
+  const { views, presence } = useStores();
+  const documentPresence = presence.get(document.id);
+  const documentPresenceArray = documentPresence
+    ? Array.from(documentPresence.values())
+    : [];
+  const presentIds = documentPresenceArray.map((p) => p.userId);
+  const editingIds = documentPresenceArray
+    .filter((p) => p.isEditing)
+    .map((p) => p.userId);
+
+  // ensure currently present via websocket are always ordered first
+  const documentViews = views.inDocument(document.id);
+  const sortedViews = sortBy(
+    documentViews,
+    (view) => !presentIds.includes(view.user.id)
+  );
+  const users = React.useMemo(() => sortedViews.map((v) => v.user), [
+    sortedViews,
+  ]);
+
+  return (
+    <>
+      {isOpen && (
+        <PaginatedList
+          items={users}
+          renderItem={(item) => {
+            const view = documentViews.find((v) => v.user.id === item.id);
+            const isPresent = presentIds.includes(item.id);
+            const isEditing = editingIds.includes(item.id);
+            const subtitle = isPresent
+              ? isEditing
+                ? t("Currently editing")
+                : t("Currently viewing")
+              : t("Viewed {{ timeAgo }} ago", {
+                  timeAgo: formatDistanceToNow(
+                    view ? Date.parse(view.lastViewedAt) : new Date()
+                  ),
+                });
+            return (
+              <ListItem
+                key={item.id}
+                title={item.name}
+                subtitle={subtitle}
+                image={<Avatar key={item.id} src={item.avatarUrl} size={32} />}
+                border={false}
+                small
+              />
+            );
+          }}
+        />
+      )}
+    </>
+  );
+}
+
+export default observer(DocumentViews);