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/scenes/Document/components/HideSidebar.ts

@@ -0,0 +1,23 @@
+import * as React from "react";
+import UiStore from "~/stores/UiStore";
+
+type Props = {
+  ui: UiStore;
+  children?: React.ReactNode;
+};
+
+class HideSidebar extends React.Component<Props> {
+  componentDidMount() {
+    this.props.ui.enableEditMode();
+  }
+
+  componentWillUnmount() {
+    this.props.ui.disableEditMode();
+  }
+
+  render() {
+    return this.props.children || null;
+  }
+}
+
+export default HideSidebar;