refactor

Author: MaxGraey

std/assembly/date.ts

@@ -361,12 +361,10 @@ function dayOfWeek(year: i32, month: i32, day: i32): i32 {
   const tab = memory.data<u8>([0, 3, 2, 5, 0, 3, 5, 1, 4, 6, 2, 4]);
 
   year -= i32(month < 3);
-
   const century = floorDiv(year >> 2, 100 >> 2);
   year += (year >> 2) + (century >> 2) - century;
-
-  const monthOffset = <i32>load<u8>(tab + month - 1);
-  return euclidRem(year + monthOffset + day, 7);
+  month = <i32>load<u8>(tab + month - 1);
+  return euclidRem(year + month + day, 7);
 }
 
 function stringify(value: i32, padding: i32 = 2): string {