From 2c186ade70510bcbc952232dd00a97d19534e129 Mon Sep 17 00:00:00 2001
From: Marijn Haverbeke <marijn@haverbeke.berlin>
Date: Wed, 7 Feb 2024 17:52:25 +0100
Subject: [PATCH] Properly account for crlf line breaks in
 readInvalidTemplateToken

Issue https://github.com/acornjs/acorn/issues/1275
---
 acorn/src/tokenize.js | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/acorn/src/tokenize.js b/acorn/src/tokenize.js
index 81cf5b9ea..7aa777534 100644
--- a/acorn/src/tokenize.js
+++ b/acorn/src/tokenize.js
@@ -671,20 +671,18 @@ pp.readInvalidTemplateToken = function() {
       break
 
     case "$":
-      if (this.input[this.pos + 1] !== "{") {
-        break
-      }
-
-    // falls through
+      if (this.input[this.pos + 1] !== "{") break
+      // fall through
     case "`":
       return this.finishToken(tt.invalidTemplate, this.input.slice(this.start, this.pos))
 
-    case "\r": case "\n": case "\u2028": case "\u2029":
+    case "\r":
+      if (this.input[this.pos] + 1 === "\n") ++this.pos
+      // fall through
+    case "\n": case "\u2028": case "\u2029":
       ++this.curLine
       this.lineStart = this.pos + 1
       break
-
-    // no default
     }
   }
   this.raise(this.start, "Unterminated template")