From 5689bf5369c124d7c310629162c2fd32ba3122c5 Mon Sep 17 00:00:00 2001
From: Danny Brown <danny.ri.brown@gmail.com>
Date: Mon, 5 Oct 2020 21:40:37 -0400
Subject: [PATCH] fix: sort study cards by study date, descending (#2081)

---
 .../PanelStudyBrowserTracking.jsx             | 20 ++++++++++++++++---
 1 file changed, 17 insertions(+), 3 deletions(-)

diff --git a/extensions/measurement-tracking/src/panels/PanelStudyBrowserTracking/PanelStudyBrowserTracking.jsx b/extensions/measurement-tracking/src/panels/PanelStudyBrowserTracking/PanelStudyBrowserTracking.jsx
index dac70ce37..598515197 100644
--- a/extensions/measurement-tracking/src/panels/PanelStudyBrowserTracking/PanelStudyBrowserTracking.jsx
+++ b/extensions/measurement-tracking/src/panels/PanelStudyBrowserTracking/PanelStudyBrowserTracking.jsx
@@ -569,21 +569,35 @@ function _createStudyBrowserTabs(
     }
   });
 
+  // Newest first
+  const _byDate = (a, b) => {
+    const dateA = Date.parse(a);
+    const dateB = Date.parse(b);
+
+    return dateB - dateA;
+  };
+
   const tabs = [
     {
       name: 'primary',
       label: 'Primary',
-      studies: primaryStudies,
+      studies: primaryStudies.sort((studyA, studyB) =>
+        _byDate(studyA.date, studyB.date)
+      ),
     },
     {
       name: 'recent',
       label: 'Recent',
-      studies: recentStudies,
+      studies: recentStudies.sort((studyA, studyB) =>
+        _byDate(studyA.date, studyB.date)
+      ),
     },
     {
       name: 'all',
       label: 'All',
-      studies: allStudies,
+      studies: allStudies.sort((studyA, studyB) =>
+        _byDate(studyA.date, studyB.date)
+      ),
     },
   ];