no-unused-state

Rule category

Correctness.

Warns unused class component state.

import React from "react";
 
class Example extends React.Component {
  // Unused
  state = {
    foo: 1,
  };
 
  render() {
    return null;
  }
}

import React from "react";
 
class Example extends React.Component {
  state = {
    foo: 1,
  };
 
  render() {
    return this.state.foo;
  }
}