fix: Tracekit regex to support ram bundles (#2047)

* fix: Tracekit regex to support ram bundles

* fix: TraceKit Regex

* meta: Changelog

Author: HazAT

CHANGELOG.md

@@ -3,6 +3,7 @@
 ## Unreleased
 
 - [browser] ref: Mangle more stuff, reduce bundle size
+- [browser] fix: Support for ram bundle frames
 - [node] fix: Expose lastEventId method
 
 ## 5.1.1

packages/browser/src/tracekit.ts

@@ -474,7 +474,10 @@ TraceKit._computeStackTrace = (function _computeStackTraceWrapper() {
     }
 
     var chrome = /^\s*at (?:(.*?) ?\()?((?:file|https?|blob|chrome-extension|native|eval|webpack|<anonymous>|[a-z]:|\/).*?)(?::(\d+))?(?::(\d+))?\)?\s*$/i,
-      gecko = /^\s*(.*?)(?:\((.*?)\))?(?:^|@)((?:file|https?|blob|chrome|webpack|resource|moz-extension).*?:\/.*?|\[native code\]|[^@]*bundle)(?::(\d+))?(?::(\d+))?\s*$/i,
+      // gecko regex: `(?:bundle|\d+\.js)`: `bundle` is for react native, `\d+\.js` also but specifically for ram bundles because it
+      // generates filenames without a prefix like `file://` the filenames in the stacktrace are just 42.js
+      // We need this specific case for now because we want no other regex to match.
+      gecko = /^\s*(.*?)(?:\((.*?)\))?(?:^|@)((?:file|https?|blob|chrome|webpack|resource|moz-extension).*?:\/.*?|\[native code\]|[^@]*(?:bundle|\d+\.js))(?::(\d+))?(?::(\d+))?\s*$/i,
       winjs = /^\s*at (?:((?:\[object object\])?.+) )?\(?((?:file|ms-appx|https?|webpack|blob):.*?):(\d+)(?::(\d+))?\)?\s*$/i,
       // Used to additionally parse URL/line/column from eval frames
       isEval,