feat(editor): add query editing utilities

apps/desktop/src/lib/editor/editorSearchQuery.ts

@@ -1,3 +1,4 @@
+import type { EditorState, TransactionSpec } from "@codemirror/state";
 import { SearchQuery } from "@codemirror/search";
 
 export interface EditorSearchQueryOptions {
@@ -16,3 +17,35 @@ export function createEditorSearchQuery(options: EditorSearchQueryOptions): Sear
     literal: !options.useRegex,
   });
 }
+
+export interface EditorSearchMatch {
+  from: number;
+  to: number;
+}
+
+export function collectEditorSearchMatches(query: SearchQuery, state: EditorState, from: number, to: number, limit = Number.POSITIVE_INFINITY): EditorSearchMatch[] {
+  const matches: EditorSearchMatch[] = [];
+  const cursor = query.getCursor(state);
+
+  for (let result = cursor.next(); !result.done; result = cursor.next()) {
+    if (result.value.from >= from && result.value.to <= to) {
+      matches.push({ from: result.value.from, to: result.value.to });
+      if (matches.length >= limit) break;
+    }
+  }
+
+  return matches;
+}
+
+export function replaceEditorSearchMatches(view: { dispatch(spec: TransactionSpec): void }, matches: readonly EditorSearchMatch[], replacement: (match: EditorSearchMatch) => string): boolean {
+  if (matches.length === 0) return false;
+
+  view.dispatch({
+    changes: matches.map((match) => ({
+      from: match.from,
+      to: match.to,
+      insert: replacement(match),
+    })),
+  });
+  return true;
+}