Web works with the js structure

packages/interpreter/src/js/common.js

@@ -0,0 +1,99 @@
+// src/ts/set_attribute.ts
+function setAttributeInner(node, field, value, ns) {
+  if (ns === "style") {
+    node.style.setProperty(field, value);
+    return;
+  }
+  if (!!ns) {
+    node.setAttributeNS(ns, field, value);
+    return;
+  }
+  switch (field) {
+    case "value":
+      if (node.value !== value) {
+        node.value = value;
+      }
+      break;
+    case "initial_value":
+      node.defaultValue = value;
+      break;
+    case "checked":
+      node.checked = truthy(value);
+      break;
+    case "initial_checked":
+      node.defaultChecked = truthy(value);
+      break;
+    case "selected":
+      node.selected = truthy(value);
+      break;
+    case "initial_selected":
+      node.defaultSelected = truthy(value);
+      break;
+    case "dangerous_inner_html":
+      node.innerHTML = value;
+      break;
+    default:
+      if (!truthy(value) && isBoolAttr(field)) {
+        node.removeAttribute(field);
+      } else {
+        node.setAttribute(field, value);
+      }
+  }
+}
+var truthy = function(val) {
+  return val === "true" || val === true;
+};
+var isBoolAttr = function(field) {
+  switch (field) {
+    case "allowfullscreen":
+    case "allowpaymentrequest":
+    case "async":
+    case "autofocus":
+    case "autoplay":
+    case "checked":
+    case "controls":
+    case "default":
+    case "defer":
+    case "disabled":
+    case "formnovalidate":
+    case "hidden":
+    case "ismap":
+    case "itemscope":
+    case "loop":
+    case "multiple":
+    case "muted":
+    case "nomodule":
+    case "novalidate":
+    case "open":
+    case "playsinline":
+    case "readonly":
+    case "required":
+    case "reversed":
+    case "selected":
+    case "truespeed":
+    case "webkitdirectory":
+      return true;
+    default:
+      return false;
+  }
+};
+// src/ts/form.ts
+function retrieveFormValues(form) {
+  const formData = new FormData(form);
+  const contents = {};
+  formData.forEach((value, key) => {
+    if (contents[key]) {
+      contents[key] += "," + value;
+    } else {
+      contents[key] = value;
+    }
+  });
+  return {
+    valid: form.checkValidity(),
+    values: contents
+  };
+}
+export {
+  setAttributeInner,
+  retrieveFormValues
+};