MyCrypto/common/store.ts

126 lines
3.9 KiB
TypeScript

import throttle from 'lodash/throttle';
import { routerMiddleware } from 'react-router-redux';
import { INITIAL_STATE as configInitialState } from 'reducers/config';
import { INITIAL_STATE as customTokensInitialState } from 'reducers/customTokens';
import { 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 from './reducers';
import { State as ConfigState } from './reducers/config';
import { State as CustomTokenState } from './reducers/customTokens';
import { State as SwapState } from './reducers/swap';
import promiseMiddleware from 'redux-promise-middleware';
import { getNodeConfigFromId } from 'utils/node';
import sagas from './sagas';
const configureStore = () => {
const logger = createLogger({
collapsed: true
});
const sagaMiddleware = createSagaMiddleware();
const reduxPromiseMiddleWare = promiseMiddleware({
promiseTypeSuffixes: ['REQUESTED', 'SUCCEEDED', 'FAILED']
});
let middleware;
let store;
if (process.env.NODE_ENV !== 'production') {
middleware = composeWithDevTools(
applyMiddleware(
sagaMiddleware,
logger,
reduxPromiseMiddleWare,
routerMiddleware(history as any)
)
);
} else {
middleware = applyMiddleware(
sagaMiddleware,
reduxPromiseMiddleWare,
routerMiddleware(history as any)
);
}
const localSwapState = loadStatePropertyOrEmptyObject<SwapState>('swap');
const swapState =
localSwapState && localSwapState.step === 3
? {
...swapInitialState,
...localSwapState
}
: { ...swapInitialState };
const localCustomTokens = loadStatePropertyOrEmptyObject<CustomTokenState>(
'customTokens'
);
const savedConfigState = loadStatePropertyOrEmptyObject<ConfigState>(
'config'
);
// If they have a saved node, make sure we assign that too. The node selected
// isn't serializable, so we have to assign it here.
if (savedConfigState && savedConfigState.nodeSelection) {
const savedNode = getNodeConfigFromId(
savedConfigState.nodeSelection,
savedConfigState.customNodes
);
// If we couldn't find it, revert to defaults
if (savedNode) {
savedConfigState.node = savedNode;
} else {
savedConfigState.nodeSelection = configInitialState.nodeSelection;
}
}
const persistedInitialState = {
config: {
...configInitialState,
...savedConfigState
},
customTokens: localCustomTokens || customTokensInitialState,
// ONLY LOAD SWAP STATE FROM LOCAL STORAGE IF STEP WAS 3
swap: swapState
};
// if 'web3' has persisted as node selection, reset to app default
// necessary because web3 is only initialized as a node upon MetaMask / Mist unlock
if (persistedInitialState.config.nodeSelection === 'web3') {
persistedInitialState.config.nodeSelection =
configInitialState.nodeSelection;
}
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 = store.getState();
saveState({
config: {
gasPriceGwei: state.config.gasPriceGwei,
nodeSelection: state.config.nodeSelection,
languageSelection: state.config.languageSelection,
customNodes: state.config.customNodes,
customNetworks: state.config.customNetworks
},
swap: { ...state.swap, bityRates: {} },
customTokens: state.customTokens
});
}),
1000
);
return store;
};
export const configuredStore = configureStore();