eslint Errors
20 error patterns
ESLint Parsing Error
Parsing error:.*Unexpected token
- •Set correct parser (e.g., @typescript-eslint/parser)
- •Verify ecmaVersion matches your JS/TS version
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
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)
ESLint Rule Configuration Invalid
Configuration for rule.*is invalid|Rule.*configuration.*invalid
- •Check rule documentation for valid options
- •Verify array syntax [severity, options]
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
ESLint Ignore Pattern Not Working
ignorePatterns.*not working|\.eslintignore.*not excluding
- •Use absolute paths or proper glob patterns
- •Check .eslintignore is in project root
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
ESLint Config File Error
Cannot read config file.*eslint
- •Verify JSON/YAML syntax in config file
- •Check for circular extends references
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
Prettier Formatting Mismatch
Prettier.*formatting.*differs|Code style issues found
- •Run prettier --write to fix formatting
- •Add format script to package.json
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
ESLint Import Resolver Error
eslint-plugin-import.*Unable to resolve path
- •Configure import/resolver settings in eslintrc
- •Install eslint-import-resolver-typescript
ESLint Circular Config Reference
Maximum call stack.*eslint|circular.*config
- •Check for circular extends in config chain
- •Remove self-referencing overrides
Prettier Parser Not Inferred
Prettier.*parser.*could not be inferred
- •Specify parser explicitly in prettier config
- •Add overrides for file extensions in .prettierrc
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
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
ESLint Unused Disable Comment
eslint-disable.*ineffective|Unused eslint-disable
- •Remove the eslint-disable comment
- •Enable reportUnusedDisableDirectives in config
Prettier End of Line Conflict
prettier.*endOfLine.*conflict|Delete.*CR.*prettier
- •Set endOfLine: auto in .prettierrc
- •Configure git autocrlf=input
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
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