feat: 初始化项目基础结构和配置

packages/utils/src/helpers/get-popup-container.ts

@@ -0,0 +1,10 @@
+/**
+ * If the node is holding inside a form, return the form element,
+ * otherwise return the parent node of the given element or
+ * the document body if the element is not provided.
+ */
+export function getPopupContainer(node?: HTMLElement): HTMLElement {
+  return (
+    node?.closest('form') ?? (node?.parentNode as HTMLElement) ?? document.body
+  );
+}