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

server/presenters/slackAttachment.ts

@@ -0,0 +1,39 @@
+import { Document, Collection, Team } from "@server/models";
+
+type Action = {
+  type: string;
+  text: string;
+  name: string;
+  value: string;
+};
+
+export default function present(
+  document: Document,
+  // @ts-expect-error ts-migrate(2749) FIXME: 'Collection' refers to a value, but is being used ... Remove this comment to see the full error message
+  collection: Collection,
+  // @ts-expect-error ts-migrate(2749) FIXME: 'Team' refers to a value, but is being used as a t... Remove this comment to see the full error message
+  team: Team,
+  context?: string,
+  actions?: Action[]
+) {
+  // the context contains <b> tags around search terms, we convert them here
+  // to the markdown format that slack expects to receive.
+  const text = context
+    ? context.replace(/<\/?b>/g, "*").replace(/\n/g, "")
+    : // @ts-expect-error ts-migrate(2339) FIXME: Property 'getSummary' does not exist on type 'Docu... Remove this comment to see the full error message
+      document.getSummary();
+
+  return {
+    color: collection.color,
+    title: document.title,
+    // @ts-expect-error ts-migrate(2551) FIXME: Property 'url' does not exist on type 'Document'. ... Remove this comment to see the full error message
+    title_link: `${team.url}${document.url}`,
+    footer: collection.name,
+    // @ts-expect-error ts-migrate(2339) FIXME: Property 'id' does not exist on type 'Document'.
+    callback_id: document.id,
+    text,
+    // @ts-expect-error ts-migrate(2339) FIXME: Property 'getTimestamp' does not exist on type 'Do... Remove this comment to see the full error message
+    ts: document.getTimestamp(),
+    actions,
+  };
+}