node-eslint-plugin-flowtype

flow type linting rules for ESLint

Flow uses type inference to find bugs even without type annotations. It precisely tracks the types of variables as they flow through your program. Flow is designed for JavaScript programmers. It understands common JavaScript idioms and very dynamic code. Flow incrementally rechecks your changes as you work, preserving the fast feedback cycle of developing plain JavaScript. Node.js is an event-based server-side JavaScript engine.