Get rid of some global variables - Part 1

* Replace the following global variables with named imports:
  - GrChangeReplyInterface
  - GrEditConstants
  - GrFileListConstants
* Update gr-app-global-var-init.js

Change-Id: I8f19739784789d1f26b893b9faab9d6a279bfc60

polygerrit-ui/app/.eslintrc.js

@@ -173,16 +173,13 @@ module.exports = {
     "GrAnnotationActionsContext": "readonly",
     "GrAnnotationActionsInterface": "readonly",
     "GrChangeMetadataApi": "readonly",
-    "GrChangeReplyInterface": "readonly",
     "GrChangeViewApi": "readonly",
     "GrCountStringFormatter": "readonly",
     "GrDomHook": "readonly",
     "GrDomHooksManager": "readonly",
-    "GrEditConstants": "readonly",
     "GrEmailSuggestionsProvider": "readonly",
     "GrEtagDecorator": "readonly",
     "GrEventHelper": "readonly",
-    "GrFileListConstants": "readonly",
     "GrGroupSuggestionsProvider": "readonly",
     "GrLinkTextParser": "readonly",
     "GrPluginActionContext": "readonly",

polygerrit-ui/app/elements/change/gr-change-view/gr-change-view.js

@@ -21,7 +21,6 @@ import '../../../styles/shared-styles.js';
 import '../../core/gr-navigation/gr-navigation.js';
 import '../../core/gr-reporting/gr-reporting.js';
 import '../../diff/gr-comment-api/gr-comment-api.js';
-import '../../edit/gr-edit-constants.js';
 import '../../plugins/gr-endpoint-decorator/gr-endpoint-decorator.js';
 import '../../plugins/gr-endpoint-param/gr-endpoint-param.js';
 import '../../shared/gr-account-link/gr-account-link.js';
@@ -60,6 +59,7 @@ import {htmlTemplate} from './gr-change-view_html.js';
 import {PatchSetBehavior} from '../../../behaviors/gr-patch-set-behavior/gr-patch-set-behavior.js';
 import {KeyboardShortcutBehavior} from '../../../behaviors/keyboard-shortcut-behavior/keyboard-shortcut-behavior.js';
 import {RESTClientBehavior} from '../../../behaviors/rest-client-behavior/rest-client-behavior.js';
+import {GrEditConstants} from '../../edit/gr-edit-constants.js';
 
 import {PrimaryTabs, SecondaryTabs} from '../../../constants/constants.js';
 import {NO_ROBOT_COMMENTS_THREADS_MSG} from '../../../constants/messages.js';

polygerrit-ui/app/elements/change/gr-change-view/gr-change-view_test.html

@@ -45,6 +45,8 @@ import {PrimaryTabs, SecondaryTabs} from '../../../constants/constants.js';
 
 import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
 import {KeyboardShortcutBinder} from '../../../behaviors/keyboard-shortcut-behavior/keyboard-shortcut-behavior.js';
+import {GrEditConstants} from '../../edit/gr-edit-constants.js';
+
 suite('gr-change-view tests', () => {
   const kb = KeyboardShortcutBinder;
   kb.bindShortcut(kb.Shortcut.SEND_REPLY, 'ctrl+enter');

polygerrit-ui/app/elements/change/gr-file-list-constants.js

@@ -14,16 +14,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-(function(window) {
-  'use strict';
 
-  const GrFileListConstants = window.GrFileListConstants || {};
-
-  GrFileListConstants.FilesExpandedState = {
+export const GrFileListConstants = {
+  FilesExpandedState: {
     ALL: 'all',
     NONE: 'none',
     SOME: 'some',
-  };
+  },
+};
 
-  window.GrFileListConstants = GrFileListConstants;
-})(window);

polygerrit-ui/app/elements/change/gr-file-list-header/gr-file-list-header.js

@@ -27,7 +27,6 @@ import '../../shared/gr-rest-api-interface/gr-rest-api-interface.js';
 import '../../shared/gr-select/gr-select.js';
 import '../../shared/gr-button/gr-button.js';
 import '../../shared/gr-icons/gr-icons.js';
-import '../gr-file-list-constants.js';
 import '../gr-commit-info/gr-commit-info.js';
 import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
 import {mixinBehaviors} from '@polymer/polymer/lib/legacy/class.js';
@@ -37,6 +36,7 @@ import {PolymerElement} from '@polymer/polymer/polymer-element.js';
 import {htmlTemplate} from './gr-file-list-header_html.js';
 import {PatchSetBehavior} from '../../../behaviors/gr-patch-set-behavior/gr-patch-set-behavior.js';
 import {KeyboardShortcutBehavior} from '../../../behaviors/keyboard-shortcut-behavior/keyboard-shortcut-behavior.js';
+import {GrFileListConstants} from '../gr-file-list-constants.js';
 
 // Maximum length for patch set descriptions.
 const PATCH_DESC_MAX_LENGTH = 500;

polygerrit-ui/app/elements/change/gr-file-list-header/gr-file-list-header_test.html

@@ -41,6 +41,8 @@ limitations under the License.
 import '../../../test/common-test-setup.js';
 import './gr-file-list-header.js';
 import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
+import {GrFileListConstants} from '../gr-file-list-constants.js';
+
 suite('gr-file-list-header tests', () => {
   let element;
   let sandbox;

polygerrit-ui/app/elements/change/gr-file-list/gr-file-list.js

@@ -32,7 +32,6 @@ import '../../shared/gr-select/gr-select.js';
 import '../../shared/gr-count-string-formatter/gr-count-string-formatter.js';
 import '../../shared/gr-tooltip-content/gr-tooltip-content.js';
 import '../../shared/gr-copy-clipboard/gr-copy-clipboard.js';
-import '../gr-file-list-constants.js';
 import {dom, flush} from '@polymer/polymer/lib/legacy/polymer.dom.js';
 import {mixinBehaviors} from '@polymer/polymer/lib/legacy/class.js';
 import {GestureEventListeners} from '@polymer/polymer/lib/mixins/gesture-event-listeners.js';
@@ -44,6 +43,7 @@ import {DomUtilBehavior} from '../../../behaviors/dom-util-behavior/dom-util-beh
 import {PatchSetBehavior} from '../../../behaviors/gr-patch-set-behavior/gr-patch-set-behavior.js';
 import {PathListBehavior} from '../../../behaviors/gr-path-list-behavior/gr-path-list-behavior.js';
 import {KeyboardShortcutBehavior} from '../../../behaviors/keyboard-shortcut-behavior/keyboard-shortcut-behavior.js';
+import {GrFileListConstants} from '../gr-file-list-constants.js';
 
 // Maximum length for patch set descriptions.
 const PATCH_DESC_MAX_LENGTH = 500;

polygerrit-ui/app/elements/change/gr-file-list/gr-file-list_test.html

@@ -50,6 +50,8 @@ import './gr-file-list.js';
 import '../../diff/gr-comment-api/gr-comment-api-mock_test.js';
 import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
 import {KeyboardShortcutBinder} from '../../../behaviors/keyboard-shortcut-behavior/keyboard-shortcut-behavior.js';
+import {GrFileListConstants} from '../gr-file-list-constants.js';
+
 suite('gr-file-list tests', () => {
   const kb = KeyboardShortcutBinder;
   kb.bindShortcut(kb.Shortcut.LEFT_PANE, 'shift+left');

polygerrit-ui/app/elements/edit/gr-edit-constants.js

@@ -14,18 +14,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-(function(window) {
-  'use strict';
 
-  const GrEditConstants = window.GrEditConstants || {};
-
-  // Order corresponds to order in the UI.
-  GrEditConstants.Actions = {
+export const GrEditConstants = {
+// Order corresponds to order in the UI.
+  Actions: {
     OPEN: {label: 'Add/Open', id: 'open'},
     DELETE: {label: 'Delete', id: 'delete'},
     RENAME: {label: 'Rename', id: 'rename'},
     RESTORE: {label: 'Restore', id: 'restore'},
-  };
+  },
+};
 
-  window.GrEditConstants = GrEditConstants;
-})(window);

polygerrit-ui/app/elements/edit/gr-edit-controls/gr-edit-controls.js

@@ -24,7 +24,6 @@ import '../../shared/gr-dialog/gr-dialog.js';
 import '../../shared/gr-dropdown/gr-dropdown.js';
 import '../../shared/gr-overlay/gr-overlay.js';
 import '../../shared/gr-rest-api-interface/gr-rest-api-interface.js';
-import '../gr-edit-constants.js';
 import '../../../styles/shared-styles.js';
 import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
 import {mixinBehaviors} from '@polymer/polymer/lib/legacy/class.js';
@@ -33,6 +32,7 @@ import {LegacyElementMixin} from '@polymer/polymer/lib/legacy/legacy-element-mix
 import {PolymerElement} from '@polymer/polymer/polymer-element.js';
 import {htmlTemplate} from './gr-edit-controls_html.js';
 import {PatchSetBehavior} from '../../../behaviors/gr-patch-set-behavior/gr-patch-set-behavior.js';
+import {GrEditConstants} from '../gr-edit-constants.js';
 
 /**
  * @extends Polymer.Element

polygerrit-ui/app/elements/edit/gr-edit-file-controls/gr-edit-file-controls.js

@@ -18,12 +18,12 @@ import '../../../scripts/bundled-polymer.js';
 
 import '../../shared/gr-button/gr-button.js';
 import '../../shared/gr-dropdown/gr-dropdown.js';
-import '../gr-edit-constants.js';
 import '../../../styles/shared-styles.js';
 import {GestureEventListeners} from '@polymer/polymer/lib/mixins/gesture-event-listeners.js';
 import {LegacyElementMixin} from '@polymer/polymer/lib/legacy/legacy-element-mixin.js';
 import {PolymerElement} from '@polymer/polymer/polymer-element.js';
 import {htmlTemplate} from './gr-edit-file-controls_html.js';
+import {GrEditConstants} from '../gr-edit-constants.js';
 
 /** @extends Polymer.Element */
 class GrEditFileControls extends GestureEventListeners(

polygerrit-ui/app/elements/edit/gr-edit-file-controls/gr-edit-file-controls_test.html

@@ -33,6 +33,8 @@ limitations under the License.
 import '../../../test/common-test-setup.js';
 import '../gr-edit-constants.js';
 import './gr-edit-file-controls.js';
+import {GrEditConstants} from '../gr-edit-constants.js';
+
 suite('gr-edit-file-controls tests', () => {
   let element;
   let sandbox;

polygerrit-ui/app/elements/gr-app-global-var-init.js

@@ -33,6 +33,9 @@ import {GrDiffBuilderImage} from './diff/gr-diff-builder/gr-diff-builder-image.j
 import {GrDiffBuilderUnified} from './diff/gr-diff-builder/gr-diff-builder-unified.js';
 import {GrDiffBuilderBinary} from './diff/gr-diff-builder/gr-diff-builder-binary.js';
 import {GrChangeActionsInterface} from './shared/gr-js-api-interface/gr-change-actions-js-api.js';
+import {GrChangeReplyInterface} from './shared/gr-js-api-interface/gr-change-reply-js-api.js';
+import {GrEditConstants} from './edit/gr-edit-constants.js';
+import {GrFileListConstants} from './change/gr-file-list-constants.js';
 
 export function initGlobalVariables() {
   window.GrDisplayNameUtils = GrDisplayNameUtils;
@@ -46,4 +49,7 @@ export function initGlobalVariables() {
   window.GrDiffBuilderUnified = GrDiffBuilderUnified;
   window.GrDiffBuilderBinary = GrDiffBuilderBinary;
   window.GrChangeActionsInterface = GrChangeActionsInterface;
+  window.GrChangeReplyInterface = GrChangeReplyInterface;
+  window.GrEditConstants = GrEditConstants;
+  window.GrFileListConstants = GrFileListConstants;
 }

polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-change-reply-js-api.js

@@ -14,66 +14,61 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-(function(window) {
-  'use strict';
 
-  /**
-   * GrChangeReplyInterface, provides a set of handy methods on reply dialog.
-   */
-  class GrChangeReplyInterface {
-    constructor(plugin) {
-      this.plugin = plugin;
-      this._sharedApiEl = Plugin._sharedAPIElement;
-    }
-
-    get _el() {
-      return this._sharedApiEl.getElement(
-          this._sharedApiEl.Element.REPLY_DIALOG);
-    }
-
-    getLabelValue(label) {
-      return this._el.getLabelValue(label);
-    }
-
-    setLabelValue(label, value) {
-      this._el.setLabelValue(label, value);
-    }
-
-    send(opt_includeComments) {
-      this._el.send(opt_includeComments);
-    }
-
-    addReplyTextChangedCallback(handler) {
-      const hookApi = this.plugin.hook('reply-text');
-      const registeredHandler = e => handler(e.detail.value);
-      hookApi.onAttached(el => {
-        if (!el.content) { return; }
-        el.content.addEventListener('value-changed', registeredHandler);
-      });
-      hookApi.onDetached(el => {
-        if (!el.content) { return; }
-        el.content.removeEventListener('value-changed', registeredHandler);
-      });
-    }
-
-    addLabelValuesChangedCallback(handler) {
-      const hookApi = this.plugin.hook('reply-label-scores');
-      const registeredHandler = e => handler(e.detail);
-      hookApi.onAttached(el => {
-        if (!el.content) { return; }
-        el.content.addEventListener('labels-changed', registeredHandler);
-      });
-
-      hookApi.onDetached(el => {
-        if (!el.content) { return; }
-        el.content.removeEventListener('labels-changed', registeredHandler);
-      });
-    }
-
-    showMessage(message) {
-      return this._el.setPluginMessage(message);
-    }
+/**
+ * GrChangeReplyInterface, provides a set of handy methods on reply dialog.
+ */
+export class GrChangeReplyInterface {
+  constructor(plugin) {
+    this.plugin = plugin;
+    this._sharedApiEl = Plugin._sharedAPIElement;
   }
 
-  window.GrChangeReplyInterface = GrChangeReplyInterface;
-})(window);
+  get _el() {
+    return this._sharedApiEl.getElement(
+        this._sharedApiEl.Element.REPLY_DIALOG);
+  }
+
+  getLabelValue(label) {
+    return this._el.getLabelValue(label);
+  }
+
+  setLabelValue(label, value) {
+    this._el.setLabelValue(label, value);
+  }
+
+  send(opt_includeComments) {
+    this._el.send(opt_includeComments);
+  }
+
+  addReplyTextChangedCallback(handler) {
+    const hookApi = this.plugin.hook('reply-text');
+    const registeredHandler = e => handler(e.detail.value);
+    hookApi.onAttached(el => {
+      if (!el.content) { return; }
+      el.content.addEventListener('value-changed', registeredHandler);
+    });
+    hookApi.onDetached(el => {
+      if (!el.content) { return; }
+      el.content.removeEventListener('value-changed', registeredHandler);
+    });
+  }
+
+  addLabelValuesChangedCallback(handler) {
+    const hookApi = this.plugin.hook('reply-label-scores');
+    const registeredHandler = e => handler(e.detail);
+    hookApi.onAttached(el => {
+      if (!el.content) { return; }
+      el.content.addEventListener('labels-changed', registeredHandler);
+    });
+
+    hookApi.onDetached(el => {
+      if (!el.content) { return; }
+      el.content.removeEventListener('labels-changed', registeredHandler);
+    });
+  }
+
+  showMessage(message) {
+    return this._el.setPluginMessage(message);
+  }
+}

polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-js-api-interface.js

@@ -30,7 +30,6 @@ import './gr-api-utils.js';
 import '../gr-event-interface/gr-event-interface.js';
 import './gr-annotation-actions-context.js';
 import './gr-annotation-actions-js-api.js';
-import './gr-change-reply-js-api.js';
 import './gr-js-api-interface-element.js';
 import './gr-plugin-endpoints.js';
 import './gr-plugin-action-context.js';

polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-public-js-api.js

@@ -18,6 +18,7 @@
 import {BaseUrlBehavior} from '../../../behaviors/base-url-behavior/base-url-behavior.js';
 import {GrAttributeHelper} from '../../plugins/gr-attribute-helper/gr-attribute-helper.js';
 import {GrChangeActionsInterface} from './gr-change-actions-js-api.js';
+import {GrChangeReplyInterface} from './gr-change-reply-js-api.js';
 
 (function(window) {
   'use strict';