⛅ improve error check

avajs · Apr 12, 2023 · 8a5b07c · 8a5b07c
1 parent 78c62f9
commit 8a5b07c
Showing 1 changed file with 2 additions and 3 deletions.
diff --git a/lib/test.js b/lib/test.js
@@ -8,10 +8,9 @@ import nowAndTimers from './now-and-timers.cjs';
 import parseTestArgs from './parse-test-args.js';
 
 function isExternalAssertError(error) {
+	if (typeof error !== 'object' || error === null) return false;
 	// Match errors thrown by <https://www.npmjs.com/package/expect>.
-	if (error.matcherResult) {
-		return true;
-	}
+	if (hasOwnProperty(error, 'matcherResult')) return true;
 
 	// Match errors thrown by <https://www.npmjs.com/package/chai> and <https://nodejs.org/api/assert.html>.
 	return hasOwnProperty(error, 'actual') && hasOwnProperty(error, 'expected');