Address review comments

app/javascript/packs/application.ts

@@ -3,5 +3,3 @@ import initAnswerbox from '../retrospring/features/answerbox/index';
 
 start();
 document.addEventListener('turbolinks:load', initAnswerbox);
-document.addEventListener('turbolinks:load', initAnswerbox);
-document.addEventListener('turbolinks:load', initAnswerbox);

app/javascript/retrospring/features/answerbox/index.ts

@@ -2,10 +2,7 @@ import registerEvents from "retrospring/utilities/registerEvents";
 import {createShareEvent} from "./share";
 
 export default (): void => {
-  if (!('share' in navigator)) {
+  if ('share' in navigator) {
-    return;
-  }
-
     document.body.classList.add('cap-web-share');
     const entries: NodeList = document.querySelectorAll('.answerbox:not(.js-initialized)');
 
@@ -17,4 +14,5 @@ export default (): void => {
 
       element.classList.add('js-initialized');
     });
+  }
 }

app/javascript/retrospring/features/answerbox/share.ts

@@ -1,11 +1,11 @@
+import noop from 'retrospring/utilities/noop';
+
 export function createShareEvent(answerbox: HTMLElement): () => void {
   return function (): void {
     navigator.share({
       url: answerbox.querySelector<HTMLAnchorElement>('.answerbox__answer-date > a').href
-    }).then(() => {
-      // do nothing, prevents exce ption from being thrown
-    }).catch(() => {
-      // do nothing, prevents exception from being thrown
     })
+    .then(noop)
+    .catch(noop)
   }
 }

app/javascript/retrospring/utilities/noop.ts

@@ -0,0 +1,3 @@
+export default () => void {
+  // do nothing
+}