From 18e632aa19f49c1c5750e44d028182dbe18de0b2 Mon Sep 17 00:00:00 2001
From: Serghei Iakovlev <egrep@protonmail.ch>
Date: Sun, 24 Jul 2022 20:23:23 +0200
Subject: Provide annotation support

---
 assets/js/ed.js | 11 +++++++++++
 assets/js/ga.js |  7 +++++++
 2 files changed, 18 insertions(+)

(limited to 'assets/js')

diff --git a/assets/js/ed.js b/assets/js/ed.js
index dbea865..19b2c96 100644
--- a/assets/js/ed.js
+++ b/assets/js/ed.js
@@ -11,4 +11,15 @@ document.addEventListener('DOMContentLoaded', function () {
   if (topAnchor !== null) {
     intersectionObserver.observe(topAnchor);
   }
+
+  // Annotation support
+  const hypothesisContainer = document.querySelector('.hypothesis-container');
+  if (hypothesisContainer !== null) {
+    hypothesisContainer.addEventListener('click', () => {
+      let script = document.createElement('script');
+      script.setAttribute('src', 'https://hypothes.is/embed.js');
+      script.type = 'text/javascript';
+      document.getElementsByTagName('head')[0].appendChild(script);
+    });
+  }
 });
diff --git a/assets/js/ga.js b/assets/js/ga.js
index f2c6cbe..c7a174c 100644
--- a/assets/js/ga.js
+++ b/assets/js/ga.js
@@ -69,6 +69,13 @@ function onClickCallback(event) {
   // Track menu show
   if (className === 'sidebar-toggle') {
     trackInternalEvent('Sidebar Toggle', 'navigation');
+    return;
+  }
+
+  // Track annotation usage
+  if (className === 'hypothesis-container') {
+    trackInternalEvent('Annotation open', 'navigation');
+    return;
   }
 
   // Track feeds click
-- 
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