feat: Add a isFetchError typeguard for FetchError (resolves unjs#460)

Hugothms · Nov 22, 2024 · 5c87de5 · 5c87de5
1 parent bdfb507
commit 5c87de5
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/error.ts b/src/error.ts
@@ -18,6 +18,10 @@ export class FetchError<T = any> extends Error implements IFetchError<T> {
 // Augment `FetchError` type to include `IFetchError` properties
 export interface FetchError<T = any> extends IFetchError<T> {}
 
+export function isFetchError() {
+  return (e: unknown): e is FetchError => e instanceof FetchError;
+}
+
 export function createFetchError<T = any>(
   ctx: FetchContext<T>
 ): IFetchError<T> {