@nothing-but/eslint-plugin

no-ignored-return

If a function returns a value, then that value must be used.

TODO:

• [x] nested methods utl.raf.makeAnimationLoop
• [x] fn.apply() and fn.call() methods
• [x] bool && returningFunc() expressions
• [x] never doesn't need to be used
• [ ] ignore super()
• [ ] awaiting Promise<some_value>

no-return-to-void

If a callback should return void, then it should not return anything.

TODO:

• [x] Arrow functions
• [x] Anonymous functions
• [x] Overloads
• [x] Fix .then (unions)

ignore-void-return

If a function returns void, the return value shouldn't be used.

TODO TODO

no-unnecessary-instanceof

Values tested with instanceof should have a union type with the tested class as a member.

• [ ] Allow extended types

no-ignored-params

Require that all callback parameters are used.

TODO:

• [ ] implement

Resources:

• solidjs-community/eslint-plugin-solid
• SonarSource/eslint-plugin-sonarjs
• typescript-eslint/typescript-eslint
• https://typescript-eslint.io/developers/custom-rules/#testing
• https://astexplorer.net/