chore(server): Move api-server in to it's own DIR

api-server/common/utils/jsonp$.js

@@ -0,0 +1,74 @@
+import { AnonymousObservable, Disposable } from 'rx';
+
+const root = typeof window !== 'undefined' ? window : {};
+const trash = 'document' in root && root.document.createElement('div');
+
+function destroy(element) {
+  trash.appendChild(element);
+  trash.innerHTML = '';
+}
+
+export function jsonp$(options) {
+  let id = 0;
+  if (typeof options === 'string') {
+    options = { url: options };
+  }
+
+  return new AnonymousObservable(function(o) {
+    const settings = {
+      jsonp: 'JSONPCallback',
+      async: true,
+      jsonpCallback: 'rxjsjsonpCallbackscallback_' + (id++).toString(36),
+      ...options
+    };
+
+    let script = root.document.createElement('script');
+    script.type = 'text/javascript';
+    script.async = settings.async;
+    script.src = settings.url.replace(settings.jsonp, settings.jsonpCallback);
+
+    root[settings.jsonpCallback] = function(data) {
+      root[settings.jsonpCallback].called = true;
+      root[settings.jsonpCallback].data = data;
+    };
+
+    const handler = function(e) {
+      if (e.type === 'load' && !root[settings.jsonpCallback].called) {
+        e = { type: 'error' };
+      }
+      const status = e.type === 'error' ? 400 : 200;
+      const data = root[settings.jsonpCallback].data;
+
+      if (status === 200) {
+        o.onNext({
+          status: status,
+          responseType: 'jsonp',
+          response: data,
+          originalEvent: e
+        });
+
+        o.onCompleted();
+      } else {
+        o.onError({
+          type: 'error',
+          status: status,
+          originalEvent: e
+        });
+      }
+    };
+
+    script.onload = script.onreadystatechanged = script.onerror = handler;
+
+    const head = root.document.getElementsByTagName('head')[0] ||
+      root.document.documentElement;
+
+    head.insertBefore(script, head.firstChild);
+
+    return Disposable.create(() => {
+      script.onload = script.onreadystatechanged = script.onerror = null;
+
+      destroy(script);
+      script = null;
+    });
+  });
+}