htmx integration

static/packages/htmx/ext/json-enc.js

@@ -0,0 +1,16 @@
+if (htmx.version && !htmx.version.startsWith("1.")) {
+    console.warn("WARNING: You are using an htmx 1 extension with htmx " + htmx.version +
+        ".  It is recommended that you move to the version of this extension found on https://htmx.org/extensions")
+}
+htmx.defineExtension('json-enc', {
+    onEvent: function (name, evt) {
+        if (name === "htmx:configRequest") {
+            evt.detail.headers['Content-Type'] = "application/json";
+        }
+    },
+
+    encodeParameters : function(xhr, parameters, elt) {
+        xhr.overrideMimeType('text/json');
+        return (JSON.stringify(parameters));
+    }
+});