https://www.weekend-market.com/wp-content/plugins/integrate-firebase/js/firebase.js?ver=0.10.0

1(function ($) {
2  'use strict';
3
4  if (typeof window.firebaseOptions !== 'undefined') {
5    // Initialize FirebaseApp
6    if (!firebase.apps.length) {
7      firebase.initializeApp(window.firebaseOptions);
8    }
9
10    $(document).ready(function () {
11      init();
12
13      // Check user state
14      checkUserState().then((loggedin) => {
15        if (loggedin) {
16          action_when_login();
17          showGreetings();
18        } else {
19          action_when_logout();
20        }
21      });
22
23      // Firebase login
24      $('#firebase-form-submit').click(function (event) {
25        event.preventDefault();
26        let data = $('#firebase-login-form :input').serializeArray();
27        let email = data[0].value;
28        let password = data[1].value;
29
30        // start login into firebase
31        if (email !== '' && password !== '') {
32          firebase
33            .auth()
34            .signInWithEmailAndPassword(email, password)
35            .then(() => {
36              action_when_login();
37              showGreetings();
38            })
39            .catch((error) => {
40              console.log(error.message);
41              $('p#firebase-login-error').show();
42              $('p#firebase-login-error').text(error.message);
43            });
44        } else {
45          $('p#firebase-login-error').text(
46            'Your email or password is missing!'
47          );
48        }
49      });
50
51      // Sign out action
52      $('#firebase-signout').on('click', (e) => {
53        e.preventDefault();
54        firebase
55          .auth()
56          .signOut()
57          .then(() => {
58            action_when_logout();
59          })
60          .catch((error) => console.log(error));
61      });
62
63      function checkUserState() {
64        return new Promise((resolve, reject) => {
65          return firebase.auth().onAuthStateChanged(function (user) {
66            if (user) {
67              // User is signed in.
68              resolve(true);
69            } else {
70              // User is signed out.
71              resolve(false);
72            }
73          });
74        });
75      }
76
77      function showGreetings() {
78        firebase.auth().onAuthStateChanged(function (user) {
79          if (user) {
80            // User is signed in.
81            if (user.displayName === null) {
82              $('#firebase-user').text(`Greetings, ${user.email}!`);
83            } else {
84              $('#firebase-user').text(`Greetings, ${user.displayName}!`);
85            }
86          } else {
87            $('#firebase-user').hide();
88          }
89        });
90      }
91
92      // Realtime database
93      function showRealtimeDatabase() {
94        var db = firebase.database();
95        var realtimeEl = $('#if-realtime');
96        var collectionName = realtimeEl.data('collection-name');
97        var documentName = realtimeEl.data('document-name');
98
99        if (collectionName && documentName) {
100          db.ref('/' + collectionName + '/' + documentName)
101            .once('value')
102            .then(function (snapshot) {
103              var dataObj = snapshot.val();
104              if (dataObj) {
105                var html = '<table>';
106                $.each(dataObj, function (key, value) {
107                  html += '<tr>';
108                  html += '<td>' + key + '</td>';
109                  html += '<td>' + value + '</td>';
110                  html += '</tr>';
111                });
112                html += '</table>';
113                realtimeEl.append(html);
114              } else {
115                console.error(
116                  'Please check your collection and document name in the [realtime] shortcode!'
117                );
118              }
119            });
120        } else {
121          console.warn(
122            'Please check your collection and document name in the [realtime] shortcode!'
123          );
124        }
125      }
126
127      function init() {
128        action_when_logout();
129        // Realtime database
130        showRealtimeDatabase();
131      }
132
133      function action_when_login() {
134        $('.firebase-show').show();
135        $('#firebase-signout').show();
136        $('p#firebase-login-error').hide();
137        $('.firebase-show-when-not-login').hide();
138        $('#firebase-login-form').hide();
139      }
140
141      function action_when_logout() {
142        $('.firebase-show').hide();
143        $('#firebase-signout').hide();
144        $('p#firebase-login-error').hide();
145        $('.firebase-show-when-not-login').show();
146        $('#firebase-login-form').show();
147      }
148    });

149  } else {
150    console.warn('Please enter your Firebase settings!');
151  }
152})(jQuery);