feat: add logging

lib/string.ts

@@ -113,6 +113,30 @@ function componentToHex(c: number) {
   return hex.length == 1 ? "0" + hex : hex;
 }
 
+export function getTimeCacheKey() {
+  const d = new Date();
+  const year = d.getFullYear();
+  const month = d.getMonth().toString().padStart(2, "0");
+  const day = d.getDate().toString().padStart(2, "0");
+  const hour = d.getHours().toString().padStart(2, "0");
+  const minute = d.getMinutes().toString().padStart(2, "0");
+  const seconds = d.getSeconds().toString().padStart(2, "0");
+  return `${year}:${month}:${day}:${hour}:${minute}:${seconds}`;
+}
+
+export function parseTimeCacheKey(key: string) {
+  const [_year, _month, _day, _hour, _minute, _second] = key.split(":")
+    .slice(1).map((s) => parseInt(s));
+  const d = new Date();
+  d.setFullYear(_year);
+  d.setMonth(_month);
+  d.setDate(_day);
+  d.setHours(_hour);
+  d.setMinutes(_minute);
+  d.setSeconds(_second);
+  return d;
+}
+
 export function rgbToHex(r: number, g: number, b: number) {
   return "#" + componentToHex(r) + componentToHex(g) + componentToHex(b);
 }