Add extracted source directory and README navigation

extracted-source/node_modules/@anthropic-ai/sdk/internal/errors.mjs

@@ -0,0 +1,36 @@
+// File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
+export function isAbortError(err) {
+    return (typeof err === 'object' &&
+        err !== null &&
+        // Spec-compliant fetch implementations
+        (('name' in err && err.name === 'AbortError') ||
+            // Expo fetch
+            ('message' in err && String(err.message).includes('FetchRequestCanceledException'))));
+}
+export const castToError = (err) => {
+    if (err instanceof Error)
+        return err;
+    if (typeof err === 'object' && err !== null) {
+        try {
+            if (Object.prototype.toString.call(err) === '[object Error]') {
+                // @ts-ignore - not all envs have native support for cause yet
+                const error = new Error(err.message, err.cause ? { cause: err.cause } : {});
+                if (err.stack)
+                    error.stack = err.stack;
+                // @ts-ignore - not all envs have native support for cause yet
+                if (err.cause && !error.cause)
+                    error.cause = err.cause;
+                if (err.name)
+                    error.name = err.name;
+                return error;
+            }
+        }
+        catch { }
+        try {
+            return new Error(JSON.stringify(err));
+        }
+        catch { }
+    }
+    return new Error(err);
+};
+//# sourceMappingURL=errors.mjs.map