Function _dispatch

dash/dash-renderer/tests/persistence.test.js:68–73

    let dispatchCalls;

    const _dispatch = evt => {
        // verify that dispatch is sending errors to the devtools,
        // and record the message sent
        expect(evt.type).to.equal('ON_ERROR');
        dispatchCalls.push(evt.payload.error.message);
    };

    beforeEach(() => {
        window.my_components = {