From 01d033e6e8630ef1d0482d9a3899f1da2bf933d5 Mon Sep 17 00:00:00 2001
From: Ben McCann <322311+benmccann@users.noreply.github.com>
Date: Sun, 9 Oct 2022 14:53:37 -0700
Subject: [PATCH] fix: avoid mutating provided options (#227)

---
 package-lock.json  | 2 +-
 src/MagicString.js | 3 +--
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index ba7fe95..948cb61 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6,7 +6,7 @@
   "packages": {
     "": {
       "name": "magic-string",
-      "version": "0.26.5",
+      "version": "0.26.6",
       "license": "MIT",
       "dependencies": {
         "sourcemap-codec": "^1.4.8"
diff --git a/src/MagicString.js b/src/MagicString.js
index 961c798..ea85160 100644
--- a/src/MagicString.js
+++ b/src/MagicString.js
@@ -350,8 +350,7 @@ export default class MagicString {
 
 	overwrite(start, end, content, options) {
 		options = options || {};
-		options.overwrite = !options.contentOnly;
-		return this.update(start, end, content, options);
+		return this.update(start, end, content, { ...options, overwrite: !options.contentOnly });
 	}
 
 	update(start, end, content, options) {