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🐛 Bug introduced to useReadonlyClassProperties in 2.4.14 #10193

Closed
Bug
#10210
#10201
Closed
🐛 Bug introduced to useReadonlyClassProperties in 2.4.14#10193
Bug
#10210
#10201
Labels
A-LinterArea: linterL-JavaScriptLanguage: JavaScript and super languagesS-Bug-confirmedStatus: report has been confirmed as a valid bugS-Good first issueStatus: Good for newcomersS-Help-wantedStatus: you're familiar with the code base and want to help the project
@jakeleventhal

Description

@jakeleventhal
jakeleventhal
opened on May 1, 2026

Environment information

Details 
CLI:
  Version:                      2.4.14
  Color support:                true

Platform:
  CPU Architecture:             aarch64
  OS:                           macos

Environment:
  BIOME_LOG_PATH:                    unset
  BIOME_LOG_PREFIX_NAME:             unset
  BIOME_LOG_LEVEL:                   unset
  BIOME_LOG_KIND:                    unset
  BIOME_CONFIG_PATH:                 unset
  BIOME_THREADS:                     unset
  BIOME_WATCHER_KIND:                unset
  BIOME_WATCHER_POLLING_INTERVAL:    unset
  NO_COLOR:                     unset
  TERM:                         xterm-256color
  JS_RUNTIME_VERSION:           v24.12.0
  JS_RUNTIME_NAME:              node
  NODE_PACKAGE_MANAGER:         bun/1.3.13

Biome Configuration:
  Status:                       Loaded successfully
  Path:                         biome.jsonc
  Formatter enabled:            true
  Linter enabled:               true
  Assist enabled:               true
  VCS enabled:                  true
  HTML full support enabled:    unset

Workspace:
  Open Documents:               0

What happened?

#10105 introduced a regression shown in the playground below:

https://biomejs.dev/playground/?lintRules=useReadonlyClassProperties&analyzerFixMode=safeAndUnsafeFixes&tab=formatter&pane=Diagnostics&code=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

Expected result

No diagnostic

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    A-LinterArea: linterL-JavaScriptLanguage: JavaScript and super languagesS-Bug-confirmedStatus: report has been confirmed as a valid bugS-Good first issueStatus: Good for newcomersS-Help-wantedStatus: you're familiar with the code base and want to help the project

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    Bug

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