Using enum.

ampproject · Jan 14, 2019 · af8e462 · af8e462
1 parent 59489c7
commit af8e462
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Showing 2 changed files with 5 additions and 5 deletions.
diff --git a/extensions/amp-story/1.0/amp-story-page-attachment.js b/extensions/amp-story/1.0/amp-story-page-attachment.js
@@ -20,13 +20,13 @@ import {
   getStoreService,
 } from './amp-story-store-service';
 import {CSS} from '../../../build/amp-story-page-attachment-header-1.0.css';
+import {HistoryStates} from './amp-story';
 import {Layout} from '../../../src/layout';
 import {closest} from '../../../src/dom';
-import {createShadowRootWithStyle} from './utils';
+import {createShadowRootWithStyle, setHistoryState} from './utils';
 import {dev} from '../../../src/log';
 import {htmlFor} from '../../../src/static-template';
 import {resetStyles, setImportantStyles, toggle} from '../../../src/style';
-import {setHistoryState} from './utils';
 
 /** @const {number} */
 const TOGGLE_THRESHOLD_PX = 50;
@@ -388,7 +388,7 @@ export class AmpStoryPageAttachment extends AMP.BaseElement {
 
     setHistoryState(
         this.win,
-        'ampStoryAttachmentPageId',
+        HistoryStates.ATTACHMENT_PAGE_ID,
         /** @type {string} */
         (this.storeService_.get(StateProperty.CURRENT_PAGE_ID)));
   }
@@ -416,6 +416,6 @@ export class AmpStoryPageAttachment extends AMP.BaseElement {
           () => toggle(dev().assertElement(this.containerEl_), false), 250);
     });
 
-    setHistoryState(this.win, 'ampStoryAttachmentPageId', null);
+    setHistoryState(this.win, HistoryStates.ATTACHMENT_PAGE_ID, null);
   }
 }
diff --git a/extensions/amp-story/1.0/amp-story.js b/extensions/amp-story/1.0/amp-story.js
@@ -149,7 +149,7 @@ const Attributes = {
 };
 
 /** @enum {string} */
-const HistoryStates = {
+export const HistoryStates = {
   ATTACHMENT_PAGE_ID: 'ampStoryAttachmentPageId',
   BOOKEND_ACTIVE: 'ampStoryBookendActive',
   PAGE_ID: 'ampStoryPageId',