All files index.js

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11.11% Branches 1/9
12.5% Functions 1/8
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import gql from 'graphql-tag';
import createHash from 'sha.js';
import jwtDecode from 'jwt-decode';
 
// check and warn if regenerator-runtime not installed / present
 
const mutation = gql`
mutation login (
  $email: String!
  $password: String!
) {
  passportLoginEmail (
    email: $email
    password: $password
  ) {
    error
    token
  }
}
`;
 
class ApolloPassport {
 
  constructor({ apolloClient }) {
    this.apolloClient = apolloClient;
 
    this._subscribers = new Set();
 
    // Redux support.  This gets set this apolloClient.middleware().
    this.store = null;
 
    this._token = localStorage.getItem('apToken');
 
    // Set initial values
    this.setState(true);
 
    if (this._token) I{
      // constructor is a synchronous method, queue this for after.
      setTimeout(() => { this.assertToken() }, 1);
    }
  }
 
  assertToken() {
 
  }
 
  /* actions */
 
  // TODO needs to move to 'local' package
  async loginWithEmail(email, password) {
    const result = await this.apolloClient.mutate({
      mutation,
      variables: {
        email,
        password: createHash('sha256').update(password).digest('hex')
      }
    });
 
    if (result.errors) {
      console.error("A server side error was thrown during the Apollo Passport GraphQL query:");
      console.error(result.errors);
      return;
      // should we still update state?
    }
 
    const queryResult = result.data.passportLoginEmail;
    const data = jwtDecode(queryResult.token);
 
    // TODO needs a generalized method outside of local
    localStorage.setItem('apToken', queryResult.token);
    this.setState({ data: data, verified: true, error: null });
  }
 
  signupWithEmail(email, password) {
 
  }
 
  logout() {
    localStorage.removeItem('apToken');
    this.setState({ data: {}, verified: false, error: null });
  }
 
  /* state */
 
  stateHash(state) {
    return JSON.stringify(state || this._state);
  }
 
  setState(nextState) {
    if (!this._state) {
      this._state = {
        data: jwtDecode(this._token),
        verified: false,
        error: null
      };
      this._stateHash = this.stateHash();
    }
 
    // Just set initial values and exit, used in constructor
    if (nextState === true)
      Ireturn;
 
    const nextStateHash = this.stateHash(nextState);
    const hasChanged = this._stateHash !== nextStateHash;
 
    if (hasChanged) I{
      this._state = nextState;
      this._stateHash = nextStateHash;
 
      // XXX todo debounce
      this.emitState();
    }
 
  }
 
  getState() {
    return this._state;
  }
 
  subscribe(callback) {
    this._subscribers.add(callback);
  }
 
  unsubscribe(callback) {
    this._subscribers.delete(callback);
  }
 
  emitState() {
    const state = this.getState();
    this._subscribers.forEach(callback => callback(state));
  }
 
  /* optional redux support */
 
  reducer() {
    var self = this;
 
    return function apolloPassportReducer(state, action) {
      if (action.type === 'APOLLO_PASSPORT_UPDATE')
        Ireturn action.state;
 
      // I guess this is anti-pattern in Redux but I like to populate the
      // initial value without a dispatch.
      return state || self.getState();
    }
  }
 
  middleware() {
    var self = this;
    return function apolloPassportMiddleware(store) {
      self.store = store;
 
      self.subscribe(state => {
        self.store.dispatch({
          type: 'APOLLO_PASSPORT_UPDATE',
          state: state
        });
      });
 
      // Don't do anything special, we just use middleware to get our store
      // with the same API as Apollo.
      return next => action => next(action);
    }
  }
}
 
export default ApolloPassport;