eslint Errors

20 error patterns

eslint3 fixes

ESLint Parsing Error

Parsing error:.*Unexpected token

  • Set correct parser (e.g., @typescript-eslint/parser)
  • Verify ecmaVersion matches your JS/TS version
eslint3 fixes

ESLint Rule Conflicts with Prettier

Rule.*conflicts with Prettier|prettier/prettier.*conflict

  • Add eslint-config-prettier to extends (last)
  • Remove conflicting formatting rules from ESLint
eslint3 fixes

ESLint Plugin Not Found

Cannot find.*eslint-plugin|Failed to load plugin

  • Install the missing plugin package
  • Verify plugin name in eslintrc (drop eslint-plugin- prefix)
eslint3 fixes

ESLint Rule Configuration Invalid

Configuration for rule.*is invalid|Rule.*configuration.*invalid

  • Check rule documentation for valid options
  • Verify array syntax [severity, options]
eslint3 fixes

ESLint Overrides Not Applying

overrides.*not applying|File.*not matched by any config

  • Check files glob pattern in overrides
  • Verify file extension is included in pattern
eslint3 fixes

ESLint Ignore Pattern Not Working

ignorePatterns.*not working|\.eslintignore.*not excluding

  • Use absolute paths or proper glob patterns
  • Check .eslintignore is in project root
eslint3 fixes

ESLint Flat Config Migration Error

flat config.*migration|eslintrc.*deprecated|FlatCompat

  • Use FlatCompat utility for legacy plugins
  • Migrate extends to import in eslint.config.js
eslint3 fixes

ESLint Config File Error

Cannot read config file.*eslint

  • Verify JSON/YAML syntax in config file
  • Check for circular extends references
eslint3 fixes

ESLint Rule Not Found

Definition for rule.*was not found

  • Install the plugin that provides the rule
  • Check rule was not renamed in newer version
eslint3 fixes

Prettier Formatting Mismatch

Prettier.*formatting.*differs|Code style issues found

  • Run prettier --write to fix formatting
  • Add format script to package.json
eslint3 fixes

ESLint TypeScript Parser Config Error

@typescript-eslint.*Cannot read tsconfig|parserOptions.project.*error

  • Set parserOptions.project to correct tsconfig path
  • Add include array in tsconfig for linted files
eslint3 fixes

ESLint Import Resolver Error

eslint-plugin-import.*Unable to resolve path

  • Configure import/resolver settings in eslintrc
  • Install eslint-import-resolver-typescript
eslint3 fixes

ESLint Circular Config Reference

Maximum call stack.*eslint|circular.*config

  • Check for circular extends in config chain
  • Remove self-referencing overrides
eslint3 fixes

Prettier Parser Not Inferred

Prettier.*parser.*could not be inferred

  • Specify parser explicitly in prettier config
  • Add overrides for file extensions in .prettierrc
eslint3 fixes

ESLint No Files Found

No files matching.*were found|No files to lint

  • Check CLI glob pattern matches file extensions
  • Remove --ext flag if using flat config
eslint3 fixes

ESLint Rule Requires Type Info

Rule.*requires type information|parserServices.*unavailable

  • Add parserOptions.project pointing to tsconfig.json
  • Ensure file is included in tsconfig includes
eslint3 fixes

ESLint Unused Disable Comment

eslint-disable.*ineffective|Unused eslint-disable

  • Remove the eslint-disable comment
  • Enable reportUnusedDisableDirectives in config
eslint3 fixes

Prettier End of Line Conflict

prettier.*endOfLine.*conflict|Delete.*CR.*prettier

  • Set endOfLine: auto in .prettierrc
  • Configure git autocrlf=input
eslint3 fixes

ESLint Plugin Flat Config Incompatible

Cannot use.*plugin.*with flat config|incompatible.*eslint 9

  • Update plugin to version supporting flat config
  • Use FlatCompat wrapper for legacy plugins
eslint3 fixes

ESLint Globals in Flat Config

env.*not supported.*flat config|globals.*not defined

  • Replace env with globals from globals package
  • Import globals and spread browser/node sets