feat: migrate utils

2026-06-30 15:41:34 +08:00
parent fda2fe9ec9
commit fcc022d070
2 changed files with 37 additions and 3 deletions
@@ -0,0 +1,22 @@
+
+export const DEFAULT_COLOR: string = '#536dfe';
+
+export function gcd(a: number, b: number): number {
+  if (b == 0) return a;
+  return gcd(b, a % b);
+}
+
+export function lcm(a: number, b: number): number {
+  return a / gcd(a, b) * b;
+}
+
+/**
+ * Get Monday-first the day of week from given date instead of Sunday-first.
+ * @param date The date for getting weekday.
+ * @returns The zero-based weekday. 0 stands for Monday.
+ */
+export function getWeekday(date: Date): number {
+  let day = date.getDay();
+  if (day == 0) return 6;
+  else return day - 1;
+}