@spartacus/core
Version:
Spartacus - the core framework
52 lines • 9.18 kB
JavaScript
import { isPlatformBrowser, isPlatformServer } from '@angular/common';
import { makeStateKey, } from '@angular/platform-browser';
import { INIT } from '@ngrx/store';
import { deepMerge } from '../../config/utils/deep-merge';
import { StateTransferType } from '../config/state-config';
import { filterKeysByType, getStateSlice } from '../utils/get-state-slice';
export const CX_KEY = makeStateKey('cx-state');
export function getTransferStateReducer(platformId, transferState, config, authStatePersistenceService) {
var _a, _b;
if (transferState && ((_b = (_a = config === null || config === void 0 ? void 0 : config.state) === null || _a === void 0 ? void 0 : _a.ssrTransfer) === null || _b === void 0 ? void 0 : _b.keys)) {
if (isPlatformBrowser(platformId)) {
return getBrowserTransferStateReducer(transferState, config.state.ssrTransfer.keys, Boolean(authStatePersistenceService === null || authStatePersistenceService === void 0 ? void 0 : authStatePersistenceService.isUserLoggedIn()));
}
else if (isPlatformServer(platformId)) {
return getServerTransferStateReducer(transferState, config.state.ssrTransfer.keys);
}
}
return (reducer) => reducer;
}
export function getServerTransferStateReducer(transferState, keys) {
const transferStateKeys = filterKeysByType(keys, StateTransferType.TRANSFER_STATE);
return function (reducer) {
return function (state, action) {
const newState = reducer(state, action);
if (newState) {
const stateSlice = getStateSlice(transferStateKeys, [], newState);
transferState.set(CX_KEY, stateSlice);
}
return newState;
};
};
}
export function getBrowserTransferStateReducer(transferState, keys, isLoggedIn) {
const transferStateKeys = filterKeysByType(keys, StateTransferType.TRANSFER_STATE);
return function (reducer) {
return function (state, action) {
if (action.type === INIT) {
if (!state) {
state = reducer(state, action);
}
if (!isLoggedIn && transferState.hasKey(CX_KEY)) {
const cxKey = transferState.get(CX_KEY, {});
const transferredStateSlice = getStateSlice(transferStateKeys, [], cxKey);
state = deepMerge({}, state, transferredStateSlice);
}
return state;
}
return reducer(state, action);
};
};
}
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