From eceae7187a6f0e9510bc1165f6977256b87f490f Mon Sep 17 00:00:00 2001
From: hackademix
Date: Sun, 1 Jul 2018 01:01:23 +0200
Subject: Initial commit starting at version 10.1.8.3rc4.

---
 src/lib/persistent-tabs.js | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 src/lib/persistent-tabs.js

(limited to 'src/lib/persistent-tabs.js')

diff --git a/src/lib/persistent-tabs.js b/src/lib/persistent-tabs.js
new file mode 100644
index 0000000..8f7f711
--- /dev/null
+++ b/src/lib/persistent-tabs.js
@@ -0,0 +1,21 @@
+if (typeof flextabs === "function") {
+
+  for (let tabs of document.querySelectorAll(".flextabs")) {
+    flextabs(tabs).init();
+    let {id} = tabs;
+    if (!id) continue;
+    let rx = new RegExp(`(?:^|[#;])tab-${id}=(\\d+)(?:;|$)`);
+    let current = location.hash.match(rx);
+    console.log(`persisted %o`, current);
+    let toggles = tabs.querySelectorAll(".flextabs__toggle");
+    let currentToggle = toggles[current && parseInt(current[1]) || 0];
+    if (currentToggle) currentToggle.click();
+    for (let toggle of toggles) {
+      toggle.addEventListener("click", e => {
+        let currentIdx = Array.indexOf(toggles, toggle);
+        location.hash = location.hash.split(";").filter(p => !rx.test(p))
+          .concat(`tab-${id}=${currentIdx}`).join(";");
+      });
+    }
+  }
+}
-- 
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