fix typo

gitbook/gitbook-plugin-github/plugin.js

@@ -1,14 +0,0 @@
-require([ 'gitbook' ], function (gitbook) {
-    gitbook.events.bind('start', function (e, config) {
-        var githubURL = config.github.url;
-
-        gitbook.toolbar.createButton({
-            icon: 'fa fa-github',
-            label: 'GitHub',
-            position: 'right',
-            onClick: function() {
-                window.open(githubURL)
-            }
-        });
-    });
-});

gitbook/gitbook-plugin-sharing/buttons.js

@@ -0,0 +1,90 @@
+require(['gitbook', 'jquery'], function(gitbook, $) {
+    var SITES = {
+        'facebook': {
+            'label': 'Facebook',
+            'icon': 'fa fa-facebook',
+            'onClick': function(e) {
+                e.preventDefault();
+                window.open('http://www.facebook.com/sharer/sharer.php?s=100&p[url]='+encodeURIComponent(location.href));
+            }
+        },
+        'twitter': {
+            'label': 'Twitter',
+            'icon': 'fa fa-twitter',
+            'onClick': function(e) {
+                e.preventDefault();
+                window.open('http://twitter.com/home?status='+encodeURIComponent(document.title+' '+location.href));
+            }
+        },
+        'google': {
+            'label': 'Google+',
+            'icon': 'fa fa-google-plus',
+            'onClick': function(e) {
+                e.preventDefault();
+                window.open('https://plus.google.com/share?url='+encodeURIComponent(location.href));
+            }
+        },
+        'weibo': {
+            'label': 'Weibo',
+            'icon': 'fa fa-weibo',
+            'onClick': function(e) {
+                e.preventDefault();
+                window.open('http://service.weibo.com/share/share.php?content=utf-8&url='+encodeURIComponent(location.href)+'&title='+encodeURIComponent(document.title));
+            }
+        },
+        'instapaper': {
+            'label': 'Instapaper',
+            'icon': 'fa fa-instapaper',
+            'onClick': function(e) {
+                e.preventDefault();
+                window.open('http://www.instapaper.com/text?u='+encodeURIComponent(location.href));
+            }
+        },
+        'vk': {
+            'label': 'VK',
+            'icon': 'fa fa-vk',
+            'onClick': function(e) {
+                e.preventDefault();
+                window.open('http://vkontakte.ru/share.php?url='+encodeURIComponent(location.href));
+            }
+        }
+    };
+
+
+
+    gitbook.events.bind('start', function(e, config) {
+        var opts = config.sharing;
+
+        // Create dropdown menu
+        var menu = $.map(opts.all, function(id) {
+            var site = SITES[id];
+
+            return {
+                text: site.label,
+                onClick: site.onClick
+            };
+        });
+
+        // Create main button with dropdown
+        if (menu.length > 0) {
+            gitbook.toolbar.createButton({
+                icon: 'fa fa-share-alt',
+                label: 'Share',
+                position: 'right',
+                dropdown: [menu]
+            });
+        }
+
+        // Direct actions to share
+        $.each(SITES, function(sideId, site) {
+            if (!opts[sideId]) return;
+
+            gitbook.toolbar.createButton({
+                icon: site.icon,
+                label: site.text,
+                position: 'right',
+                onClick: site.onClick
+            });
+        });
+    });
+});