turnstile

commit 2b375b2c3e93ff2db2dfee226b16f407ebf8154b
parent 554d7a3b6015e4e35fa408728cfd0fcf8c0f3212
Author: Florian Dold <florian@dold.me>
Date:   Wed, 26 Nov 2025 00:42:53 +0100

initialize taler-support once in the right place

Diffstat:
M
js/payment-button.js
 | 
31
++++++++++++++++++-------------

1 file changed, 18 insertions(+), 13 deletions(-)
diff --git a/js/payment-button.js b/js/payment-button.js
@@ -130,6 +130,24 @@
    */
   Drupal.behaviors.talerTurnstilePaymentButton = {
     attach: function (context, settings) {
+      // Do taler presence detection exactly once.
+      once('taler-support', 'html').forEach(() => {
+        // Detect presence of taler support in the browser.
+        window.talerCallback = (res) => {
+          console.log("talerCallback", res);
+          if (res.present) {
+            const els = $('.show-if-taler-supported');
+            els.removeClass("hidden");
+          } else {
+            $('.show-if-taler-supported').addClass("hidden");
+          }
+        };
+        // Add taler-support meta tag
+        let meta = document.createElement('meta');
+        meta.name = "taler-support";
+        meta.content = "api,callback";
+        document.getElementsByTagName('head')[0].appendChild(meta);
+      });
       var qrContainers = once('taler-turnstile-qr-generation', '.taler-turnstile-qr-code-container', context);
       qrContainers.forEach(function(qrContainer) {
         var $qrContainer = $(qrContainer);
@@ -153,19 +171,6 @@
           pollPaymentStatus(paymentUrl, sessionId);
         }
       });
-      window.talerCallback = (res) => {
-        console.log("talerCallback", res);
-        if (res.present) {
-          $('.show-if-taler-supported', context).removeClass("hidden");
-        } else {
-          $('.show-if-taler-supported', context).addClass("hidden");
-        }
-      };
-      // Add taler-support meta tag
-      let meta = document.createElement('meta');
-      meta.name = "taler-support";
-      meta.content = "api,callback";
-      document.getElementsByTagName('head')[0].appendChild(meta);
     }
   };