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  static registerUser(dbContext, payload) {
    return userHelper
      .findByEmail(dbContext, payload.email)
      .then(user => {
        if (!user) {
          const data = { ...payload, password: userHelper.hashPassword(payload.password) };
          return dbContext.query(userModel.createUser(data)).then(() => {
            return Promise.resolve(null);
          });
        }

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const getLoggedInUser = req => {
  const token = req.headers['x-auth-token'];
  if (token) {
    try {
      return jwt.verify(token, process.env.JWT_SECRET);
    } catch(error) {
      throw new Error('Session expired');
    }
  }
};

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const app = express();
app.use(bodyParser.json());

app.use(
  '/graphql',
  graphqlHttp({
    schema: graphQlSchema,
    rootValue: graphQlResolvers,
    graphiql: true
  })

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import ReactDOM from "react-dom";
import React, { useReducer, useRef } from "react";

const App = () => {
  const inputRef = useRef();
  const [items, dispatch] = useReducer((state, action) => {
    switch (action.type) {
      case "ADD":
        return [
          ...state,

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import ReactDOM from "react-dom";
import React, { useReducer, useState } from "react";

const App = () => {
  const [data, setData] = useState('');
  const [item, setItem] = useState([]);

  const HandleChange = (e) => {
    setData(e.target.value)
  };

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  function Todo() {
        const [tasks, setTasks] = useState([
            {
                title: "Grab some Pizza",
                completed: true
            },
            {
                title: "Do your workout",
                completed: true
            },

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import React from "react";
import ReactDOM from "react-dom";
const ToDoContext = React.createContext();
class ToDoList extends React.Component {
  state = {
    list: [],
    todo: ""
  };
  createNewToDoItem = () => {
    this.setState(({ list, todo }) => ({

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import { ApolloClient } from 'apollo-client';
import { HttpLink } from 'apollo-link-http';
import { ApolloLink, concat } from 'apollo-link';
const httpLink = new HttpLink({ uri: '/graphql' });
// registering middlewares [authMiddleware, otherMiddleware ]
const authMiddleware = new ApolloLink((operation, forward) => {
  // add the authorization to the headers
  operation.setContext({
    headers: {
      authorization: localStorage.getItem('token') || null,

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import React from 'react';
import gql from 'graphql-tag';
import { Query } from 'react-apollo';
import SpacexComponent from './Space';
import Mock from './Space/mock';

const GET_SPACEX_DATA = gql`
{
  launchesPast(limit: 10) {
    mission_name

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function LocalStorageHook() {
  const [count, setCount] = useState(() => {
    let value;
    try {
      value = JSON.parse(
        window.locastorage.getItem('count') || '0'
        )
    } catch (e) {