feat: initial commit - Phase 1 & 2 core features

2026-04-22 17:07:33 +08:00
commit 1773bda06b
25005 changed files with 6252106 additions and 0 deletions
@@ -0,0 +1,15 @@
+export default (function (o, c) {
+  var proto = c.prototype;
+
+  proto.isoWeeksInYear = function () {
+    var isLeapYear = this.isLeapYear();
+    var last = this.endOf('y');
+    var day = last.day();
+
+    if (day === 4 || isLeapYear && day === 5) {
+      return 53;
+    }
+
+    return 52;
+  };
+});