wix-style-react/dist/es/src/DragDropContextProvider/DragDropContextProvider.js

wix-style-react

import React from 'react';
import PropTypes from 'prop-types';
import TouchBackend from './TouchBackend';
import { DndProvider, createDndContext } from 'react-dnd';
let defaultManager;
function getDefaultManager(backend) {
    if (!defaultManager) {
        defaultManager = createDndContext(backend, {}, {
            enableMouseEvents: true,
        }).dragDropManager;
    }
    return defaultManager;
}
// https://github.com/react-dnd/react-dnd/issues/186#issuecomment-110333064
class DragDropContextProvider extends React.Component {
    // we add `manager` to instance to allow to manipulate d&d in tests
    getManager() {
        return (this.context.dragDropManager || getDefaultManager(this.props.backend));
    }
    getChildContext() {
        return {
            dragDropManager: this.getManager(),
        };
    }
    render() {
        const { backend, children } = this.props;
        return (React.createElement(DndProvider, { manager: this.getManager(backend) }, children));
    }
}
DragDropContextProvider.propTypes = {
    children: PropTypes.node,
    backend: PropTypes.func,
};
DragDropContextProvider.defaultProps = {
    backend: TouchBackend,
};
DragDropContextProvider.contextTypes = {
    dragDropManager: PropTypes.object,
};
DragDropContextProvider.childContextTypes = {
    dragDropManager: PropTypes.object,
};
export default DragDropContextProvider;
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