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/routes/index.tsx

@@ -0,0 +1,69 @@
+import * as React from "react";
+import { Switch } from "react-router-dom";
+import DelayedMount from "~/components/DelayedMount";
+import FullscreenLoading from "~/components/FullscreenLoading";
+import Route from "~/components/ProfiledRoute";
+import { matchDocumentSlug as slug } from "~/utils/routeHelpers";
+
+const Authenticated = React.lazy(
+  () =>
+    import(
+      /* webpackChunkName: "authenticated" */
+      "~/components/Authenticated"
+    )
+);
+const AuthenticatedRoutes = React.lazy(
+  () =>
+    import(
+      /* webpackChunkName: "authenticated-routes" */
+      "./authenticated"
+    )
+);
+const SharedDocument = React.lazy(
+  () =>
+    import(
+      /* webpackChunkName: "shared-document" */
+      "~/scenes/Document/Shared"
+    )
+);
+const Login = React.lazy(
+  () =>
+    import(
+      /* webpackChunkName: "login" */
+      "~/scenes/Login"
+    )
+);
+const Logout = React.lazy(
+  () =>
+    import(
+      /* webpackChunkName: "logout" */
+      "~/scenes/Logout"
+    )
+);
+
+export default function Routes() {
+  return (
+    <React.Suspense
+      fallback={
+        <DelayedMount delay={2000}>
+          <FullscreenLoading />
+        </DelayedMount>
+      }
+    >
+      <Switch>
+        <Route exact path="/" component={Login} />
+        <Route exact path="/create" component={Login} />
+        <Route exact path="/logout" component={Logout} />
+        <Route exact path="/share/:shareId" component={SharedDocument} />
+        <Route
+          exact
+          path={`/share/:shareId/doc/${slug}`}
+          component={SharedDocument}
+        />
+        <Authenticated>
+          <AuthenticatedRoutes />
+        </Authenticated>
+      </Switch>
+    </React.Suspense>
+  );
+}