import invariant from 'invariant';
import { isEmpty, isFunction, isString } from 'lodash';
import createReducer from '../reducers';
import checkStore from './checkStore';
export function injectReducerFactory(store, isValid) {
return function injectReducer(key, reducer) {
if (!isValid) checkStore(store);
invariant(
isString(key) && !isEmpty(key) && isFunction(reducer),
'(src/utils...) injectReducer: Expected `reducer` to be a reducer function',
);
if (
Reflect.has(store.injectedReducers, key) &&
store.injectedReducers[key] === reducer
)
return;
store.injectedReducers[key] = reducer; // eslint-disable-line no-param-reassign
store.replaceReducer(createReducer(store.injectedReducers));
};
}
export default function getInjectors(store) {
checkStore(store);
return {
injectReducer: injectReducerFactory(store, true),
};
}
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