Useless PropTypes declaration should be removed
- REACT_USELESS_PROP_TYPES
- Code Quality
- Low
- react
This rule applies when a PropTypes declaration exists for a property but the property is not used for the implementation of the component.
For maintainability, it is recommended to remove useless PropTypes declarations.
Noncompliant Code Example
View with compliant examples side by sideimport React from 'react';
import PropTypes from 'prop-types';
export class Hello extends React.Component {
render() {
return <div>Hello, {this.props.name}</div>;
}
}
Hello.propTypes = {
name: PropTypes.string,
age: PropTypes.number // REACT_USELESS_PROP_TYPES alarm because this property 'age' is not used.
};Compliant Code Example
View with noncompliant examples side by sideimport React from 'react';
import PropTypes from 'prop-types';
export class Hello extends React.Component {
render() {
return <div>Hello, {this.props.name}</div>;
}
}
Hello.propTypes = {
name: PropTypes.string
};Version
This rule was introduced in DeepScan 1.3.0-beta.