From 14db4bf2404b9791cde0c2a219fbc804d1ff94c0 Mon Sep 17 00:00:00 2001
From: Andras Schmelczer <andras@schmelczer.dev>
Date: Sat, 7 Jun 2025 21:51:14 +0100
Subject: [PATCH] Extract getCursorsFromEditor

---
 .../src/obsidian-file-system.ts               | 26 +++++++------------
 .../src/utils/get-cursors-from-editor.ts      | 17 ++++++++++++
 2 files changed, 27 insertions(+), 16 deletions(-)
 create mode 100644 frontend/obsidian-plugin/src/utils/get-cursors-from-editor.ts

diff --git a/frontend/obsidian-plugin/src/obsidian-file-system.ts b/frontend/obsidian-plugin/src/obsidian-file-system.ts
index 9905b036..6546b0fb 100644
--- a/frontend/obsidian-plugin/src/obsidian-file-system.ts
+++ b/frontend/obsidian-plugin/src/obsidian-file-system.ts
@@ -7,6 +7,7 @@ import type {
 } from "sync-client";
 import { lineAndColumnToPosition } from "./utils/line-and-column-to-position";
 import { positionToLineAndColumn } from "./utils/position-to-line-and-column";
+import { getCursorsFromEditor } from "./utils/get-cursors-from-editor";
 
 export class ObsidianFileSystemOperations implements FileSystemOperations {
 	public constructor(
@@ -78,26 +79,19 @@ export class ObsidianFileSystemOperations implements FileSystemOperations {
 
 		if (view?.file?.path === path) {
 			const text = view.editor.getValue();
-			const cursors = view.editor
-				.listSelections()
-				.flatMap(({ anchor, head }, i) => [
+
+			const cursors = getCursorsFromEditor(view.editor).flatMap(
+				({ id, start: anchor, end: head }) => [
 					{
-						id: 2 * i,
-						characterPosition: lineAndColumnToPosition(
-							text,
-							anchor.line,
-							anchor.ch
-						)
+						id: 2 * id,
+						characterPosition: anchor
 					},
 					{
-						id: 2 * i + 1,
-						characterPosition: lineAndColumnToPosition(
-							text,
-							head.line,
-							head.ch
-						)
+						id: 2 * id + 1,
+						characterPosition: head
 					}
-				]);
+				]
+			);
 
 			const result = updater({
 				text,
diff --git a/frontend/obsidian-plugin/src/utils/get-cursors-from-editor.ts b/frontend/obsidian-plugin/src/utils/get-cursors-from-editor.ts
new file mode 100644
index 00000000..8844942a
--- /dev/null
+++ b/frontend/obsidian-plugin/src/utils/get-cursors-from-editor.ts
@@ -0,0 +1,17 @@
+import { Editor } from "obsidian";
+import { lineAndColumnToPosition } from "./line-and-column-to-position";
+
+export interface Cursor {
+	id: number;
+	start: number;
+	end: number;
+}
+
+export function getCursorsFromEditor(editor: Editor): Cursor[] {
+	const text = editor.getValue();
+	return editor.listSelections().map(({ anchor, head }, i) => ({
+		id: i,
+		start: lineAndColumnToPosition(text, anchor.line, anchor.ch),
+		end: lineAndColumnToPosition(text, head.line, head.ch)
+	}));
+}