and again

static/django_htmx/django-htmx.js

@@ -0,0 +1,27 @@
+{
+  const data = document.currentScript.dataset;
+  const isDebug = data.debug === "True";
+
+  if (isDebug) {
+    document.addEventListener("htmx:beforeOnLoad", function (event) {
+      const xhr = event.detail.xhr;
+      if (xhr.status == 400 || xhr.status == 403 || xhr.status == 404 || xhr.status == 500 ) {
+        // Tell htmx to stop processing this response
+        event.stopPropagation();
+
+        document.children[0].innerHTML = xhr.response;
+
+        // Run inline scripts, which Django’s error pages use
+        for (const script of document.scripts) {
+          // (1, eval) wtf - see https://stackoverflow.com/questions/9107240/1-evalthis-vs-evalthis-in-javascript
+          (1, eval)(script.innerText);
+        }
+
+        // Run window.onload function if defined, which Django’s error pages use
+        if (typeof window.onload === "function") {
+          window.onload();
+        }
+      }
+    });
+  }
+}