[Webkit-unassigned] [Bug 213873] New: Web Inspector: Source map locations in minified files are incorrect

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=213873

            Bug ID: 213873
           Summary: Web Inspector: Source map locations in minified files
                    are incorrect
           Product: WebKit
           Version: Safari 13
          Hardware: All
               URL: https://evanw.github.io/browser-source-map-bugs/#safar
                    i
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Web Inspector
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: evan.exe at gmail.com
                CC: inspector-bugzilla-changes at group.apple.com

Repro:

1. Visit https://evanw.github.io/browser-source-map-bugs/#safari
2. Open the browser console

Expected:

Both the unminified and minified stack traces should match. The first stack frame should be "other.ts" on line 2 and the second stack frame should be "entry.ts" on line 6.

Observed:

The unminified stack trace is correct but the minified stack trace is incorrect. In the minified stack trace, both frames are "entry.ts" on line 7.

Apologies if this bug has already been fixed in WebKit Nightly. I can't test it because WebKit Nightly isn't supported on macOS Mojave 10.14.

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