feat: fix outline

helpers/editor/utils.ts

@@ -2,7 +2,7 @@ export function convertIndexToLineCh(
   text: string,
   i: number
 ): { line: number; ch: number } {
-  const lines = text.split("/n")
+  const lines = text.split("\n")
 
   let line = 0
   let counter = 0
@@ -21,3 +21,18 @@ export function convertIndexToLineCh(
 
   throw new Error("Invalid input")
 }
+
+export function convertLineChToIndex(
+  text: string,
+  lineCh: { line: number; ch: number }
+): number {
+  const textSplit = text.split("\n")
+
+  if (textSplit.length < lineCh.line) throw new Error("Invalid position")
+
+  const tillLineIndex = textSplit
+    .slice(0, lineCh.line)
+    .reduce((acc, line) => acc + line.length + 1, 0)
+
+  return tillLineIndex + lineCh.ch
+}