Initial commit

src/store/actionTypes.ts

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+enum ActionTypes {
+    SET_USER = 'SET_USER',
+    LOGOUT = 'LOGOUT',
+    ADD_NOTIFICATION = 'ADD_NOTIFICATION'
+}
+
+export default ActionTypes;

src/store/actions.ts

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+import ActionTypes from "./actionTypes";
+import React from "react";
+
+const setUser = (userData: UserType) => ({
+    type: ActionTypes.SET_USER,
+    payload: { userData }
+});
+const logout = () => ({
+    type: ActionTypes.LOGOUT
+});
+
+const addNotification = (notification: React.ReactNode) => ({
+    type: ActionTypes.ADD_NOTIFICATION,
+    payload: { notification }
+});
+
+export { setUser, logout,
+         addNotification };

src/store/reducers/currentUser.ts

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+import ActionTypes from "../actionTypes";
+
+const initialState = {
+    authorized: false
+};
+
+type Action = {
+    type: string
+    payload: {
+        userData: UserType
+    }
+}
+
+export default (state = initialState, action: Action) => {
+    switch (action.type) {
+        case ActionTypes.SET_USER:
+            if(action.payload.userData) {
+                state = Object.assign({}, state, action.payload.userData);
+                state.authorized = true;
+            }
+            return state;
+        case ActionTypes.LOGOUT:
+            state = {
+                authorized: false
+            };
+            return state;
+        default:
+            return state
+    }
+}

src/store/reducers/index.ts

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+import {combineReducers} from "redux";
+import currentUser from "./currentUser";
+import notifications from "./notifications";
+
+
+export default combineReducers({ currentUser, notifications })

src/store/reducers/notifications.ts

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+import React from "react";
+import ActionTypes from "../actionTypes";
+
+const initialState: React.ReactNode[] = [];
+
+type Action = {
+    type: string
+    payload: {
+        notification: React.ReactNode[]
+    }
+}
+
+export default (state = initialState, action: Action) => {
+    switch (action.type) {
+        case ActionTypes.ADD_NOTIFICATION: {
+            if(state.length === 3)
+                return [...state.slice(1), action.payload.notification];
+            return [...state, action.payload.notification];
+        }
+        default: return state;
+    }
+}

src/store/store.ts

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+import {createStore} from "redux";
+import index from "./reducers";
+import {composeWithDevTools} from "redux-devtools-extension";
+
+const composeEnhancers = composeWithDevTools({
+    trace: true
+});
+export default createStore(index, composeEnhancers());