1 files changed, 50 insertions, 0 deletions
diff --git a/static/js/ext/multi-swap.js b/static/js/ext/multi-swap.js
new file mode 100644
index 0000000..0c882f8
--- /dev/null
+++ b/static/js/ext/multi-swap.js
@@ -0,0 +1,50 @@
+(function () {
+
+    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")
+    }
+
+    /** @type {import("../htmx").HtmxInternalApi} */
+    var api;
+
+    htmx.defineExtension('multi-swap', {
+        init: function (apiRef) {
+            api = apiRef;
+        },
+        isInlineSwap: function (swapStyle) {
+            return swapStyle.indexOf('multi:') === 0;
+        },
+        handleSwap: function (swapStyle, target, fragment, settleInfo) {
+            if (swapStyle.indexOf('multi:') === 0) {
+                var selectorToSwapStyle = {};
+                var elements = swapStyle.replace(/^multi\s*:\s*/, '').split(/\s*,\s*/);
+
+                elements.map(function (element) {
+                    var split = element.split(/\s*:\s*/);
+                    var elementSelector = split[0];
+                    var elementSwapStyle = typeof (split[1]) !== "undefined" ? split[1] : "innerHTML";
+
+                    if (elementSelector.charAt(0) !== '#') {
+                        console.error("HTMX multi-swap: unsupported selector '" + elementSelector + "'. Only ID selectors starting with '#' are supported.");
+                        return;
+                    }
+
+                    selectorToSwapStyle[elementSelector] = elementSwapStyle;
+                });
+
+                for (var selector in selectorToSwapStyle) {
+                    var swapStyle = selectorToSwapStyle[selector];
+                    var elementToSwap = fragment.querySelector(selector);
+                    if (elementToSwap) {
+                        api.oobSwap(swapStyle, elementToSwap, settleInfo);
+                    } else {
+                        console.warn("HTMX multi-swap: selector '" + selector + "' not found in source content.");
+                    }
+                }
+
+                return true;
+            }
+        }
+    });
+})();