MyCrypto/common/store/store.ts

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import throttle from 'lodash/throttle';
import { routerMiddleware } from 'react-router-redux';
import {
INITIAL_STATE as transactionInitialState,
State as TransactionState
} from 'reducers/transaction';
import { State as SwapState, INITIAL_STATE as swapInitialState } from 'reducers/swap';
import { applyMiddleware, createStore } from 'redux';
import { composeWithDevTools } from 'redux-devtools-extension';
import { createLogger } from 'redux-logger';
import createSagaMiddleware from 'redux-saga';
import { loadStatePropertyOrEmptyObject, saveState } from 'utils/localStorage';
import RootReducer, { AppState } from 'reducers';
import sagas from 'sagas';
import { gasPricetoBase } from 'libs/units';
import {
rehydrateConfigAndCustomTokenState,
getConfigAndCustomTokensStateToSubscribe
} from './configAndTokens';
const configureStore = () => {
const logger = createLogger({
collapsed: true
});
const sagaMiddleware = createSagaMiddleware();
let middleware;
let store;
if (process.env.NODE_ENV !== 'production') {
middleware = composeWithDevTools(
applyMiddleware(sagaMiddleware, logger, routerMiddleware(history as any))
);
} else {
middleware = applyMiddleware(sagaMiddleware, routerMiddleware(history as any));
}
const localSwapState = loadStatePropertyOrEmptyObject<SwapState>('swap');
const swapState =
localSwapState && localSwapState.step === 3
? {
...swapInitialState,
...localSwapState
}
: { ...swapInitialState };
const savedTransactionState = loadStatePropertyOrEmptyObject<TransactionState>('transaction');
const persistedInitialState = {
transaction: {
...transactionInitialState,
fields: {
...transactionInitialState.fields,
gasPrice:
savedTransactionState && savedTransactionState.fields.gasPrice
? {
raw: savedTransactionState.fields.gasPrice.raw,
value: gasPricetoBase(+savedTransactionState.fields.gasPrice.raw)
}
: transactionInitialState.fields.gasPrice
}
},
// ONLY LOAD SWAP STATE FROM LOCAL STORAGE IF STEP WAS 3
swap: swapState,
...rehydrateConfigAndCustomTokenState()
};
store = createStore(RootReducer, persistedInitialState, middleware);
// Add all of the sagas to the middleware
Object.keys(sagas).forEach(saga => {
sagaMiddleware.run(sagas[saga]);
});
store.subscribe(
throttle(() => {
const state: AppState = store.getState();
saveState({
transaction: {
fields: {
gasPrice: state.transaction.fields.gasPrice
}
},
swap: {
...state.swap,
options: {
byId: {},
allIds: []
},
bityRates: {
byId: {},
allIds: []
},
shapeshiftRates: {
byId: {},
allIds: []
}
},
...getConfigAndCustomTokensStateToSubscribe(state)
});
}, 50)
);
return store;
};
export const configuredStore = configureStore();