Parser and language options.
ecmaVersion
The ECMAScript version to use for parsing.
sourceType
How to treat files - as ES modules, CommonJS, or scripts.
parser
The parser to use for JavaScript/TypeScript files.
jsx
Enables parsing JSX syntax.
Core ESLint rules for common code quality issues.
no-unused-vars
Disallows unused variables.
no-console
Disallows calls to console methods.
eqeqeq
Requires the use of === and !==.
curly
Requires curly braces for all control flow statements.
no-var
Requires let or const instead of var.
Rules from @typescript-eslint/eslint-plugin.
@typescript-eslint/no-explicit-any
Disallows the any type.
@typescript-eslint/no-unused-vars
Disallows unused variables (TypeScript-aware).
@typescript-eslint/explicit-function-return-type
Requires explicit return types on functions.
Which files this config applies to and which to ignore.
files
**/*.{js,jsx,ts,tsx}
Glob patterns of files this config applies to.
ignores
node_modules/dist/
Glob patterns for files to ignore.
eslint.config.json