chore: Move editor into codebase (#2930)

shared/editor/commands/toggleList.ts

@@ -0,0 +1,43 @@
+import { NodeType } from "prosemirror-model";
+import { wrapInList, liftListItem } from "prosemirror-schema-list";
+import { EditorState, Transaction } from "prosemirror-state";
+import { findParentNode } from "prosemirror-utils";
+import isList from "../queries/isList";
+
+export default function toggleList(listType: NodeType, itemType: NodeType) {
+  return (state: EditorState, dispatch: (tr: Transaction) => void) => {
+    const { schema, selection } = state;
+    const { $from, $to } = selection;
+    const range = $from.blockRange($to);
+
+    if (!range) {
+      return false;
+    }
+
+    const parentList = findParentNode((node) => isList(node, schema))(
+      selection
+    );
+
+    if (range.depth >= 1 && parentList && range.depth - parentList.depth <= 1) {
+      if (parentList.node.type === listType) {
+        return liftListItem(itemType)(state, dispatch);
+      }
+
+      if (
+        isList(parentList.node, schema) &&
+        listType.validContent(parentList.node.content)
+      ) {
+        const { tr } = state;
+        tr.setNodeMarkup(parentList.pos, listType);
+
+        if (dispatch) {
+          dispatch(tr);
+        }
+
+        return false;
+      }
+    }
+
+    return wrapInList(listType)(state, dispatch);
+  };
+}