chore: update to version 14.0.11 and align website URLs

packages/util/u8a/empty.js

@@ -0,0 +1,17 @@
+/**
+ * @name u8aEmpty
+ * @summary Tests for a `Uint8Array` for emptyness
+ * @description
+ * Checks to see if the input `Uint8Array` has zero length or contains all 0 values.
+ */
+export function u8aEmpty(value) {
+    const len = value.length | 0;
+    // on smaller sizes, the byte-by-byte compare is faster than allocating
+    // another object for DataView (on very large arrays the DataView is faster)
+    for (let i = 0; i < len; i++) {
+        if (value[i] | 0) {
+            return false;
+        }
+    }
+    return true;
+}