All files / client index.js

100% Statements 56/56
93.75% Branches 15/16
100% Functions 8/8
100% Lines 51/51
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 1561x 1x           22x 11x   11x 11x     11x   11x     11x   11x   7x                     1x       1x                   2x 1x 1x 1x       1x 1x   1x 1x               1x 1x           15x       15x 11x         11x       15x 11x   4x 4x   4x 4x 4x     4x           8x       3x       1x       4x 4x           1x   1x 3x 1x       2x         2x 2x 2x   2x 1x               2x          
import jwtDecode from 'jwt-decode';
import _ from 'lodash';
 
// TODO check and warn if regenerator-runtime not installed / present
 
class ApolloPassport {
 
  constructor({ apolloClient }) {
    this.apolloClient = apolloClient;
 
    this._subscribers = new Set();
    this.strategies = {};
 
    // 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) {
      // constructor is a synchronous method, queue this for after.
      setTimeout(() => { this.assertToken() }, 1);
    }
  }
 
  assertToken() {
 
  }
 
  /* modules */
 
  use(strategyName, Strategy) {
    this.strategies[strategyName] = new Strategy(this);
  }
 
  extendWith(obj) {
    _.extend(this, obj);
  }
 
  /* actions */
 
  loginStart() {
 
  }
 
  loginComplete(result, dataKey) {
    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[dataKey];
    const data = queryResult.token ? jwtDecode(queryResult.token) : {};
 
    localStorage.setItem('apToken', queryResult.token);
    this.setState({
      data: data,
      verified: !!queryResult.token,
      error: queryResult.error || null
    });
  }
 
  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: this._token ? jwtDecode(this._token) : {},
        verified: false,
        error: null
      };
      this._stateHash = this.stateHash();
    }
 
    // Just set initial values and exit, used in constructor
    if (nextState === true)
      return;
 
    const nextStateHash = this.stateHash(nextState);
    const hasChanged = this._stateHash !== nextStateHash;
 
    if (hasChanged) {
      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')
        return 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;