From 48e1824eaf3ff4158690d113e551abac197355ff Mon Sep 17 00:00:00 2001
From: Yaacov Rydzinski <yaacovCR@gmail.com>
Date: Sun, 10 Nov 2024 21:22:24 +0200
Subject: [PATCH] reset lexer state

see: https://github.com/graphql/graphql-js/issues/2764
---
 src/language/lexer.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/language/lexer.ts b/src/language/lexer.ts
index 300aeebbdf..c200655e53 100644
--- a/src/language/lexer.ts
+++ b/src/language/lexer.ts
@@ -66,6 +66,8 @@ export class Lexer {
    */
   lookahead(): Token {
     let token = this.token;
+    const savedLine = this.line;
+    const savedLineStart = this.lineStart;
     if (token.kind !== TokenKind.EOF) {
       do {
         if (token.next) {
@@ -81,6 +83,8 @@ export class Lexer {
         }
       } while (token.kind === TokenKind.COMMENT);
     }
+    this.line = savedLine;
+    this.lineStart = savedLineStart;
     return token;
   }
 }