no-unsafe-component-will-receive-props

Rule category

Suspicious.

What it does

Warns the usage of UNSAFE_componentWillReceiveProps in class components.

Why is this bad?

Using unsafe lifecycle methods like UNSAFE_componentWillReceiveProps makes your component’s behavior less predictable and are more likely to cause bugs.

Examples

Failing

import React from "react";
 
class Example extends React.Component {
  // @warn: Do not use 'UNSAFE_componentWillReceiveProps'
  UNSAFE_componentWillReceiveProps() {
    // ...
  }
}