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fix(sourcemap): normalize paths to avoid duplicated prefixes like fil… #260365

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@hihry hihry commented Aug 7, 2025

fixes : #251233

Problem

When building with esbuild and gulp-sourcemaps, the generated .map files often include:

  • file:/// prefixes in sources
  • Full absolute paths like /home/user/vscode/src/vs/...

These break debugging tools and create duplicated or corrupted paths when loading source maps in the editor or browser.

Solution

This PR fixes the sourcemap path normalization by:

  • Removing file:/// prefixes from sourceMap.sources
  • Replacing long absolute /src/... paths with the expected vs/... format

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[engineering] sourcemap issues
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