ESLint 9

[amanmahajan7]

• [x] Use the new flat config
  • [x] Use @eslint/compat for incompatible plugins
• [x] Remove deprecated rules

https://eslint.org/blog/2024/04/eslint-v9.0.0-released/ https://eslint.org/docs/latest/use/migrate-to-9.0.0 https://eslint.org/docs/latest/use/configure/migration-guide https://github.com/SonarSource/eslint-plugin-sonarjs/releases

Deprecated formatting rules https://eslint.org/blog/2023/10/deprecating-formatting-rules/#the-deprecated-rules

Updates to existing rules https://eslint.org/blog/2024/04/eslint-v9.0.0-released/#updates-to-existing-rules

Noteworthy

• https://typescript-eslint.io/rules/only-throw-error/ replaces https://typescript-eslint.io/rules/no-throw-literal/
• @typescript-eslint/no-unused-vars: caughtErrors: 'all' is the default
• no-useless-computed-key: enforceForClassMembers: true is the default
• no-fallthrough: Added reportUnusedFallthroughComment: true