main repo

node_modules/next/dist/esm/lib/is-error.js

@@ -0,0 +1,22 @@
+import { isPlainObject } from "../shared/lib/is-plain-object";
+export default function isError(err) {
+    return typeof err === "object" && err !== null && "name" in err && "message" in err;
+}
+export function getProperError(err) {
+    if (isError(err)) {
+        return err;
+    }
+    if (process.env.NODE_ENV === "development") {
+        // provide better error for case where `throw undefined`
+        // is called in development
+        if (typeof err === "undefined") {
+            return new Error("An undefined error was thrown, " + "see here for more info: https://nextjs.org/docs/messages/threw-undefined");
+        }
+        if (err === null) {
+            return new Error("A null error was thrown, " + "see here for more info: https://nextjs.org/docs/messages/threw-undefined");
+        }
+    }
+    return new Error(isPlainObject(err) ? JSON.stringify(err) : err + "");
+}
+
+//# sourceMappingURL=is-error.js.map