Sub-class the StatusError for errors as pinejs-client-core expects

This fixes the built in retry handler and increase standardization
across implementations

Update pinejs-client-core from 8.3.2 to 8.4.0

Change-type: patch

Author: Page-

package.json

@@ -54,7 +54,7 @@
     "typescript": "^5.9.2"
   },
   "dependencies": {
-    "pinejs-client-core": "^8.3.2"
+    "pinejs-client-core": "^8.4.0"
   },
   "versionist": {
     "publishedAt": "2025-10-10T15:02:13.187Z"

src/index.ts

@@ -1,16 +1,20 @@
 import type { AnyObject, Resource, AnyResource } from 'pinejs-client-core';
-import { PinejsClientCore } from 'pinejs-client-core';
+import { PinejsClientCore, StatusError } from 'pinejs-client-core';
 export type { PinejsClientCore } from 'pinejs-client-core';
 
-export class RequestError extends Error {
+export class RequestError extends StatusError {
 	public code = 'PineClientFetchRequestError';
+	public status: number;
 
 	constructor(
-		public body: string,
-		public status: number,
-		public responseHeaders: object,
+		body: string,
+		statusCode: number,
+		public responseHeaders: Headers,
 	) {
-		super(`Request error: ${body}`);
+		super(`Request error: ${body}`, statusCode);
+		// This is for backwards compatibility of pinejs-client-fetch users however
+		// `statusCode` is what is expected by pinejs-client-core
+		this.status = statusCode;
 	}
 }