1 files changed, 100 insertions, 0 deletions
diff --git a/static/js/ext/client-side-templates.js b/static/js/ext/client-side-templates.js
new file mode 100644
index 0000000..d23c5c9
--- /dev/null
+++ b/static/js/ext/client-side-templates.js
@@ -0,0 +1,100 @@
+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('client-side-templates', {
+    transformResponse : function(text, xhr, elt) {
+
+        var mustacheTemplate = htmx.closest(elt, "[mustache-template]");
+        if (mustacheTemplate) {
+            var data = JSON.parse(text);
+            var templateId = mustacheTemplate.getAttribute('mustache-template');
+            var template = htmx.find("#" + templateId);
+            if (template) {
+                return Mustache.render(template.innerHTML, data);
+            } else {
+                throw "Unknown mustache template: " + templateId;
+            }
+        }
+
+        var mustacheArrayTemplate = htmx.closest(elt, "[mustache-array-template]");
+        if (mustacheArrayTemplate) {
+            var data = JSON.parse(text);
+            var templateId = mustacheArrayTemplate.getAttribute('mustache-array-template');
+            var template = htmx.find("#" + templateId);
+            if (template) {
+                return Mustache.render(template.innerHTML, {"data": data });
+            } else {
+                throw "Unknown mustache template: " + templateId;
+            }
+        }
+
+        var handlebarsTemplate = htmx.closest(elt, "[handlebars-template]");
+        if (handlebarsTemplate) {
+            var data = JSON.parse(text);
+            var templateId = handlebarsTemplate.getAttribute('handlebars-template');
+            var templateElement = htmx.find('#' + templateId).innerHTML;
+            var renderTemplate = Handlebars.compile(templateElement);
+            if (renderTemplate) {
+                return renderTemplate(data);
+            } else {
+                throw "Unknown handlebars template: " + templateId;
+            }
+        }
+
+        var handlebarsArrayTemplate = htmx.closest(elt, "[handlebars-array-template]");
+        if (handlebarsArrayTemplate) {
+            var data = JSON.parse(text);
+            var templateId = handlebarsArrayTemplate.getAttribute('handlebars-array-template');
+            var templateElement = htmx.find('#' + templateId).innerHTML;
+            var renderTemplate = Handlebars.compile(templateElement);
+            if (renderTemplate) {
+                return renderTemplate(data);
+            } else {
+                throw "Unknown handlebars template: " + templateId;
+            }
+        }
+
+        var nunjucksTemplate = htmx.closest(elt, "[nunjucks-template]");
+        if (nunjucksTemplate) {
+            var data = JSON.parse(text);
+            var templateName = nunjucksTemplate.getAttribute('nunjucks-template');
+            var template = htmx.find('#' + templateName);
+            if (template) {
+                return nunjucks.renderString(template.innerHTML, data);
+            } else {
+                return nunjucks.render(templateName, data);
+            }
+        }
+
+        var xsltTemplate = htmx.closest(elt, "[xslt-template]");
+        if (xsltTemplate) {
+            var templateId = xsltTemplate.getAttribute('xslt-template');
+            var template = htmx.find("#" + templateId);
+            if (template) {
+              var content = template.innerHTML ? new DOMParser().parseFromString(template.innerHTML, 'application/xml')
+                                               : template.contentDocument;
+              var processor = new XSLTProcessor();
+              processor.importStylesheet(content);
+              var data = new DOMParser().parseFromString(text, "application/xml");
+              var frag = processor.transformToFragment(data, document);
+              return new XMLSerializer().serializeToString(frag);
+            } else {
+              throw "Unknown XSLT template: " + templateId;
+            }
+        }
+
+          var nunjucksArrayTemplate = htmx.closest(elt, "[nunjucks-array-template]");
+          if (nunjucksArrayTemplate) {
+              var data = JSON.parse(text);
+              var templateName = nunjucksArrayTemplate.getAttribute('nunjucks-array-template');
+              var template = htmx.find('#' + templateName);
+              if (template) {
+                  return nunjucks.renderString(template.innerHTML, {"data": data});
+              } else {
+                  return nunjucks.render(templateName, {"data": data});
+              }
+            }
+        return text;
+    }
+});