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eslint-plugin-redundant-undefined

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library 1.0.0 ·javascript
verified Jun 17, 2026

An ESLint plugin (v1.0.0, single release so far) that forbids redundant `undefined` in TypeScript optional parameters and properties. It helps enforce cleaner optional types by flagging patterns like `s?: string | undefined` and offering a `followExactOptionalPropertyTypes` option for use with TypeScript's `exactOptionalPropertyTypes` setting. Requires `@typescript-eslint/parser` and ESLint >=8.46.0. Available on npm with MIT license.

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