Next.js v14.2 creates source map issues with various components in VS Code debugger

[andyvanosdale]

Link to the code that reproduces this issue

https://github.com/andyvanosdale/nextjs-vscode-debug-read-source-map-issue

To Reproduce

1. run npx create-next-app
2. Start the VS Code debugger running the npm script dev
3. Navigate to the Debug Console tab in VS Code
4. Load the home page in a browser

Current vs. Expected behavior

Current behavior: VS Code's Debug Console shows this error:

Could not read source map for file:///Users/oz/src/github.com/andyvanosdale/nextjs-vscode-debug-read-source-map-issue/.next/server/vendor-chunks/next.js: ENOENT: no such file or directory, open '/Users/oz/src/github.com/andyvanosdale/nextjs-vscode-debug-read-source-map-issue/.next/server/vendor-chunks/render-from-template-context.js.map'

This also occurs with:

• link.js.map
• image-component.map

Provide environment information

Operating System:
  Platform: darwin
  Arch: arm64
  Version: Darwin Kernel Version 23.5.0: Wed May  1 20:14:38 PDT 2024; root:xnu-10063.121.3~5/RELEASE_ARM64_T6020
  Available memory (MB): 65536
  Available CPU cores: 12
Binaries:
  Node: 20.12.2
  npm: 10.5.0
  Yarn: N/A
  pnpm: N/A
Relevant Packages:
  next: 14.3.0-canary.63 // Latest available version is detected (14.3.0-canary.63).
  eslint-config-next: N/A
  react: 19.0.0-beta-4508873393-20240430
  react-dom: 19.0.0-beta-4508873393-20240430
  typescript: 5.1.3
Next.js Config:
  output: N/A

VS Code:
Version: 1.89.1 (Universal)
Commit: dc96b837cf6bb4af9cd736aa3af08cf8279f7685
Date: 2024-05-07T05:14:24.611Z
Electron: 28.2.8
ElectronBuildId: 27744544
Chromium: 120.0.6099.291
Node.js: 18.18.2
V8: 12.0.267.19-electron.0
OS: Darwin arm64 23.5.0

Which area(s) are affected? (Select all that apply)

Developer Experience

Which stage(s) are affected? (Select all that apply)

next dev (local)

Additional context

No response

[M-Brico]

I thought this might be a mono-repo causing issue but only realised late in the day that it was the components. Page and layout debug fine with breakpoints stopping the flow.