add helpers

oauth3.implicit.js

@@ -930,4 +930,79 @@
     OAUTH3.PromiseA = Promise;
   }
 
+  // this is not necessary, but it's relatively small
+  // and gives people the 3-line examples they love so much
+  OAUTH3.create = function (location/*, opts*/) {
+    if (!location) {
+      location = OAUTH3._browser.window.location;
+    }
+
+    return {
+      _clientUri: OAUTH3.clientUri(location)
+    , _providerUri: null
+    , init: function (location) {
+        var me = this;
+        var p = OAUTH3.PromiseA.resolve();
+
+        if (location) {
+          this._clientUri = OAUTH3.clientUri(location);
+        }
+        if (this._providerUri) {
+          p = OAUTH3.discover(this._providerUri, { client_id: this._clientUri }).then(function (/*directives*/) {
+            $('.js-signin').removeAttr('disabled');
+          });
+        }
+
+        return OAUTH3.discover(this._clientUri, { client_id: this._clientUri }).then(function (clientDirectives) {
+          me._clientDirectives = clientDirectives;
+          return p.then(function () {
+            return clientDirectives;
+          });
+        });
+      }
+    , setProvider: function (providerUri) {
+        var me = this;
+        me._providerUri = providerUri;
+        return me.init().then(function () {
+          // this should be synchronous the second time around
+          return OAUTH3.discover(me._providerUri, { client_id: me._clientUri }).then(function (directives) {
+            console.log("setProvider", directives);
+            me._providerDirectives = directives;
+            return directives;
+          });
+        });
+      }
+    , login: function (opts) {
+        var me = this;
+        opts = opts || {};
+        opts.client_uri = me._clientUri;
+
+        console.log('login', me._providerDirectives);
+        return OAUTH3.implicitGrant(me._providerDirectives, opts).then(function (session) {
+          me._session = true;
+          return session;
+        });
+      }
+    , session: function () {
+        return JSON.parse(JSON.stringify(OAUTH3.hooks.session._getCached(this._providerUri)));
+      }
+    , request: function (preq) {
+        preq.client_uri = this._clientUri;
+        preq.client_id = this._clientUri;
+        if (this._session) {
+          preq.session = preq.session || OAUTH3.hooks.session._getCached(this._providerUri);
+        }
+        return OAUTH3.request(preq);
+      }
+    , logout: function (opts) {
+        opts = opts || {};
+        opts.client_uri = this._clientUri;
+        opts.client_id = this._clientUri;
+        opts.session = OAUTH3.hooks.session._getCached(this._providerUri);
+
+        return OAUTH3.logout(this._providerUri, opts);
+      }
+    };
+  };
+
 }('undefined' !== typeof exports ? exports : window));