no-unsafe-component-will-mount

Full Name in eslint-plugin-react-x

react-x/no-unsafe-component-will-mount

Full Name in @eslint-react/eslint-plugin

@eslint-react/no-unsafe-component-will-mount

Presets

• x
• recommended
• recommended-typescript
• recommended-type-checked

Description

Warns the usage of UNSAFE_componentWillMount in class components.

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

Examples

Failing

import React from "react";

class MyComponent extends React.Component {
  UNSAFE_componentWillMount() {
    // ...
  }
}

Implementation

• Rule Source
• Test Source

See Also

• no-unsafe-component-will-receive-props
  Prevents usage of UNSAFE_componentWillReceiveProps in class components.
• no-unsafe-component-will-update
  Prevents usage of UNSAFE_componentWillUpdate in class components.