Connect to the context

GitBook.connect(Component, [mapStateToProps], [mapActionsToProps]) connects a react component to the GitBook context.

It does not modify the component class passed to it. Instead, it returns a new, connected component class, for you to use.

mapStateToProps(state, [ownProps]): stateProps

If specified, the component will subscribe to GitBook store updates. Any time it updates, mapStateToProps will be called. Its result must be a plain object, and it will be merged into the component’s props.

If you omit it, the component will not be subscribed to the GitBook store. If ownProps is specified as a second argument, its value will be the props passed to your component, and mapStateToProps will be additionally re-invoked whenever the component receives new props (e.g. if props received from a parent component have shallowly changed, and you use the ownProps argument, mapStateToProps is re-evaluated).

For example to render the title of the current page:

const GitBook = require('gitbook-core');

let PageTitle = React.createClass({
    render() {
        const { page } = this.props;
        return <h1>{page.title}</h1>;

function mapStateToProps(state) {
    return { page: };

PageTitle = GitBook.connect(PageTitle, mapStateToProps);

mapActionsToProps(actions, [dispatch])

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