Fix custom error in FF

close #71

CHANGELOG.md

@@ -6,6 +6,11 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 
+## [7.2.3] - 2022-01-27
+### Fixed
+- Fix `Error` extend in FF, #71.
+
+
 ## [7.2.2] - 2021-10-12
 ### Fixed
 - Skip invalid chunks in JPEG parser instead of stopping, so some broken images can still be parsed, #68.
@@ -215,6 +220,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - First release.
 
 
+[7.2.3]: https://github.com/nodeca/probe-image-size/compare/7.2.2...7.2.3
 [7.2.2]: https://github.com/nodeca/probe-image-size/compare/7.2.1...7.2.2
 [7.2.1]: https://github.com/nodeca/probe-image-size/compare/7.2.0...7.2.1
 [7.2.0]: https://github.com/nodeca/probe-image-size/compare/7.1.1...7.2.0

lib/common.js

@@ -69,7 +69,15 @@ exports.readUInt32BE = function (data, offset) {
 
 function ProbeError(message, code, statusCode) {
   Error.call(this);
-  Error.captureStackTrace(this, this.constructor);
+
+  // Include stack trace in error object
+  if (Error.captureStackTrace) {
+    // Chrome and NodeJS
+    Error.captureStackTrace(this, this.constructor);
+  } else {
+    // FF, IE 10+ and Safari 6+. Fallback for others
+    this.stack = (new Error()).stack || '';
+  }
 
   this.name = this.constructor.name;