@sfenton/react-native-readium-with-cfi/lib/src/utils/createFragment.js

A react-native wrapper for https://readium.org/ with CFI support

import { UIManager } from 'react-native';
import { COMPONENT_NAME } from './COMPONENT_NAME';
export const createFragment = (viewId) => {
    if (viewId !== null) {
        UIManager.dispatchViewManagerCommand(viewId, 
        // we are calling the 'create' command
        // @ts-ignore
        UIManager.getViewManagerConfig(COMPONENT_NAME).Commands.create.toString(), [viewId]);
    }
};