问题
My question is related to react-admin repo.
I want to dispatch an action, outside of scope of a component, in order to do that, I've read that I need to get access to the actual redux store itself, and dispatch on in directly,
so I know that the Admin
component has an initialState
prop, but it only accepts default state object, not the store. So I can't make a store and pass it in.
My question is:
- How do I access redux store of an
Admin
component? - How can I dispatch an action outside of a component, when using Admin as my main app component?
my current app entry looks like this:
<AppLayoutDirection>
<Admin
title="My App"
locale="en"
dataProvider={dataProvider}
authProvider={authProvider}
i18nProvider={i18nProvider}
theme={themeProvider}
customSagas={customSagas}
appLayout={AppLayout}
>
{DynamicResource}
</Admin>
</AppLayoutDirection>
回答1:
When you say that you need to dispatch an action outside the scope of a component, I suppose that it's in reaction to another action that was dispatched in the past.
In that case, that's what react-admin calls a side effect. React-admin handles side effects using redux-saga. Here is how to create a custom saga:
// in src/bitcoinSaga.js
import { put, takeEvery } from 'redux-saga/effects';
import { showNotification } from 'react-admin';
export default function* bitcoinSaga() {
yield takeEvery('BITCOIN_RATE_RECEIVED', function* () {
yield put(showNotification('Bitcoin rate updated'));
})
}
Register this saga in the <Admin>
component as follows:
// in src/App.js
import React from 'react';
import { Admin } from 'react-admin';
import bitcoinSaga from './bitcoinSaga';
const App = () => (
<Admin customSagas={[ bitcoinSaga ]} dataProvider={simpleRestProvider('http://path.to.my.api')}>
...
</Admin>
);
export default App;
This is documented in the react-admin documentation, in the <Admin> chapter.
来源:https://stackoverflow.com/questions/54570213/in-react-admin-get-access-to-redux-store