fix(src): extend backwards compatibility to msw@1; remove optional msw peer dependency

Author: Xunnamius

package.json

@@ -224,14 +224,8 @@
     "unique-filename": "^3.0.0"
   },
   "peerDependencies": {
-    "msw": ">=2",
     "next": ">=9"
   },
-  "peerDependenciesMeta": {
-    "msw": {
-      "optional": true
-    }
-  },
   "engines": {
     "node": "^18.18.2 || ^20.10.0 || >=21.2.0"
   },

src/index.ts

@@ -36,13 +36,18 @@ const defaultNextRequestMockUrl = 'ntarh://testApiHandler/';
  *
  * Current default headers:
  *
- * - `x-msw-intention: bypass`
+ * - `x-msw-intention: bypass` (for msw@1)
+ * - `x-msw-bypass: true`      (for msw@2)
  */
 const addDefaultHeaders = (headers: Headers) => {
   if (!headers.has('x-msw-intention')) {
     headers.set('x-msw-intention', 'bypass');
   }
 
+  if (!headers.has('x-msw-bypass')) {
+    headers.set('x-msw-bypass', 'true');
+  }
+
   return headers;
 };