Mathi Yuvarajan Mathi27

## postmortem-source-map-exposure-claude-code.md

      
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                Mathi27
                / postmortem-source-map-exposure-claude-code.md
            
            
              Created
              April 1, 2026 02:05
            
              
                Claude Code Source Exposure — Technical Breakdown
              
          
    Claude Code Source Exposure : Technical Breakdown

Summary

A production npm package unintentionally included a source map (.map) file, enabling reconstruction of a large portion of the original TypeScript codebase.

~512,000 lines of code
~1,900 files
Multiple internal systems exposed


## py
# Todo :