Implement logout()

Author: dmitrizagidulin

.gitignore

@@ -35,3 +35,5 @@ node_modules
 # Build dirs
 lib
 dist
+demo/solid-client.min.js*
+

demo/index.html

@@ -64,7 +64,7 @@ <h5>App body</h5>
   document.addEventListener('DOMContentLoaded', function () {
     window.addEventListener('message', onMessage)
     init()
-    SolidClient.auth.currentUser()
+    SolidClient.currentUser()
       .then(function (webId) {
         loginSuccess(webId)
       })
@@ -85,7 +85,7 @@ <h5>App body</h5>
   }
 
   function loginTo (providerUri) {
-    SolidClient.auth.login(providerUri)
+    SolidClient.login(providerUri)
       .then(function (webId) {
         loginSuccess(webId)
       })
@@ -110,7 +110,15 @@ <h5>App body</h5>
   }
 
   function logout () {
-    alert('logging out')
+    SolidClient.logout()
+      .then(function () {
+        console.log('logged out')
+        hide('logoutDiv')
+        setField('webId', SolidClient.auth.webId)
+      })
+      .catch(function (err) {
+        console.error('Error logging out: ', err)
+      })
   }
 
   function getRootAcl () {

demo/solid-client.min.js

@@ -192,6 +192,14 @@ class ClientAuthOIDC {
     this.idToken = null
   }
 
+  logout () {
+    this.clearCurrentUser()
+    if (!this.currentClient) {
+      return Promise.resolve(null)
+    }
+    return this.currentClient.logout()
+  }
+
   /**
    * Resolves to the URI of an OIDC identity provider, from one of the following:
    *