reduxEmitter.js

import { Plugin } from 'uppy';
 export default class ReduxEmitter extends Plugin {
           constructor(core, opts) {
        super(core, opts);
        this.type = 'redux';
        this.id = 'ReduxEmitter';
        this.title = 'Redux Emitter';

        // set default options
        const defaultOptions = {};

        // merge default options with the ones set by user
        this.opts = Object.assign({}, defaultOptions, opts);

        this.handleStateUpdate = this.handleStateUpdate.bind(this);
    }

    handleStateUpdate(prev, state, patch) {
        this.opts.dispatch(this.opts.action(state)); // this dispatches a redux event with the new state
    }

    install() {
        this.core.emitter.on('core:state-update', this.handleStateUpdate); 
        this.opts.dispatch(this.opts.action(this.core.state)); // set the initial redux state
    }

    uninstall() {
        this.core.emitter.off('state-update', this.handleStateUpdate);
    }
}

@richardwillars This is interesting. So, since this is a plugin, does your component not deal with redux actions at all - let's uppy do the work? And is the idea that you are then using redux information for other things but not for actual upload related things?