Improving axios error detection

[icrotz]

Hi! 👋

Firstly, thanks for your work on this project! 🙂

Today I used patch-package to patch axios-better-stacktrace@2.0.2 for the project I'm working on.

Inside a typescript project the net.js library don't always throw error as instances or errors.
The instanceof keyword can failed during the check.

Here is the diff that solved my problem:

diff --git a/node_modules/axios-better-stacktrace/lib/axiosBetterStacktrace.js b/node_modules/axios-better-stacktrace/lib/axiosBetterStacktrace.js
index f16af8e..91678fd 100644
--- a/node_modules/axios-better-stacktrace/lib/axiosBetterStacktrace.js
+++ b/node_modules/axios-better-stacktrace/lib/axiosBetterStacktrace.js
@@ -12,8 +12,11 @@ var __assign = (this && this.__assign) || function () {
 };
 Object.defineProperty(exports, "__esModule", { value: true });
 var patchedSym = Symbol('axiosBetterStacktrace.patched');
+var isError = function (error) {
+  return Object.prototype.toString.call(error) === "[object Error]";
+}
 var isAxiosError = function (error) {
-    return error instanceof Error && error.isAxiosError;
+    return (error instanceof Error || isError(error)) && error.isAxiosError;
 };
 var axiosMethods = [
     'request',

This issue body was partially generated by patch-package.

[svsool]

Hi, I'd appreciate repro steps along with the patch, I assume you use different vmcontexts that break instanceof operator?

[svsool]

Fixed in v2.1.1.