Improve error detection

Author: ehmicky

CHANGELOG.md

@@ -1,3 +1,10 @@
+# 10.1.0
+
+## Features
+
+- Improve error detection using
+  [`is-error-instance`](https://github.com/ehmicky/is-error-instance)
+
 # 10.0.0
 
 ## Package size

package-lock.json

@@ -46,6 +46,7 @@
     "test": "test"
   },
   "dependencies": {
+    "is-error-instance": "^1.1.0",
     "is-plain-obj": "^4.1.0",
     "normalize-exception": "^2.7.0",
     "set-error-message": "^1.2.0"

package.json

@@ -1,5 +1,7 @@
 import { inspect } from 'util'
 
+import isErrorInstance from 'is-error-instance'
+
 import { PREFIX } from './limit.js'
 
 // Duplicate errors are only logged once because:
@@ -38,10 +40,6 @@ const getPreviousEvent = function (value) {
   return previousEvent.slice(0, FINGERPRINT_MAX_LENGTH)
 }
 
-const isErrorInstance = function (value) {
-  return Object.prototype.toString.call(value) === '[object Error]'
-}
-
 // We do not serialize `error.message` as it may contain dynamic values like
 // timestamps. This means errors are only `error.name` + `error.stack`, which
 // should be a good fingerprint.