refactor(agent): refactor hostBrowserService to es6 (#4092)

related to #4071

app/agent/services/hostBrowserService.js

@@ -1,51 +1,39 @@
-angular.module('portainer.agent').factory('HostBrowserService', [
-  'Browse',
-  'Upload',
-  'API_ENDPOINT_ENDPOINTS',
-  'EndpointProvider',
-  '$q',
-  'StateManager',
-  function HostBrowserServiceFactory(Browse, Upload, API_ENDPOINT_ENDPOINTS, EndpointProvider, $q, StateManager) {
-    var service = {};
+import angular from 'angular';
 
-    service.ls = ls;
-    service.get = get;
-    service.delete = deletePath;
-    service.rename = rename;
-    service.upload = upload;
+angular.module('portainer.agent').factory('HostBrowserService', HostBrowserServiceFactory);
 
-    function ls(path) {
-      return Browse.ls({ path: path }).$promise;
-    }
+function HostBrowserServiceFactory(Browse, Upload, API_ENDPOINT_ENDPOINTS, EndpointProvider, StateManager) {
+  return { ls, get, delete: deletePath, rename, upload };
 
-    function get(path) {
-      return Browse.get({ path: path }).$promise;
-    }
+  function ls(path) {
+    return Browse.ls({ path: path }).$promise;
+  }
 
-    function deletePath(path) {
-      return Browse.delete({ path: path }).$promise;
-    }
+  function get(path) {
+    return Browse.get({ path: path }).$promise;
+  }
 
-    function rename(path, newPath) {
-      var payload = {
-        CurrentFilePath: path,
-        NewFilePath: newPath,
-      };
-      return Browse.rename({}, payload).$promise;
-    }
+  function deletePath(path) {
+    return Browse.delete({ path: path }).$promise;
+  }
 
-    function upload(path, file, onProgress) {
-      var deferred = $q.defer();
-      var agentVersion = StateManager.getAgentApiVersion();
-      var url = API_ENDPOINT_ENDPOINTS + '/' + EndpointProvider.endpointID() + '/docker' + (agentVersion > 1 ? '/v' + agentVersion : '') + '/browse/put';
+  function rename(path, newPath) {
+    const payload = {
+      CurrentFilePath: path,
+      NewFilePath: newPath,
+    };
+    return Browse.rename({}, payload).$promise;
+  }
 
+  function upload(path, file, onProgress) {
+    const agentVersion = StateManager.getAgentApiVersion();
+    const url = `${API_ENDPOINT_ENDPOINTS}/${EndpointProvider.endpointID()}/docker${agentVersion > 1 ? '/v' + agentVersion : ''}/browse/put`;
+
+    return new Promise((resolve, reject) => {
       Upload.upload({
         url: url,
         data: { file: file, Path: path },
-      }).then(deferred.resolve, deferred.reject, onProgress);
-      return deferred.promise;
-    }
-
-    return service;
-  },
-]);
+      }).then(resolve, reject, onProgress);
+    });
+  }
+}