add utils

src/build_umd.js

@@ -1,6 +1,7 @@
 import { $, watch, batch, h, Fragment, mount, when, each, onUnmount, isArr, isFunc, isObj } from "./sigpro.js"
 import { router } from "./router.js"
+import { db } from "./utils.js"
 
 if (typeof window !== "undefined") {
-  Object.assign(window, { $, watch, h, Fragment, when, each, router, mount, batch, onUnmount, isArr, isFunc, isObj })
+  Object.assign(window, { $, watch, h, Fragment, when, each, router, mount, batch, onUnmount, isArr, isFunc, isObj, db })
 }

src/utils.js

@@ -0,0 +1,23 @@
+// utils.js
+
+export const db = async (url, data = {}, loading = null) => {
+  if (loading) loading(true);
+  
+  try {
+    const res = await fetch(url, {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify(data)
+    });
+    
+    if (!res.ok) {
+      const errorText = await res.text();
+      throw new Error(`Error ${res.status}: ${errorText}`);
+    }
+    
+    return await res.json();
+    
+  } finally {
+    if (loading) loading(false);
+  }
+};