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The initial state in an ES6 class component is not an object

The initial state in an ES6 class component must be set to an object

CheckId RCT010115
TypeName StatePropertyInitializationObjectRule
Severity Error
Type React component

The initial state in an ES6 class component must be set to an object.

Bad practice (state set to a string)

export class Message extends React.Component {
    constructor(props) {
        super(props);
        this.state = "Steve";
    }

    render() {
        return <div>Hello {this.state}</div>;
    }
}


Good practice (state set to an object)
export class Message extends React.Component {
    constructor(props) {
        super(props);
        this.state = { name: "Steve" };
    }

    render() {
        return <div>Hello {this.state.name}</div>;
    }
}

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