WIP customizing x tick according to time difference

src/module/timeLabel.js

@@ -215,3 +215,14 @@ export const setTimeStringFormatBaseOnTimeDifference = (minTimeStamp, maxTimeSta
 
   return dateFormat;
 };
+
+/**
+ * Converts an array of Unix timestamps to formatted date strings based on the
+ * specified format for use as axis ticks.
+ * 根據指定的格式將 Unix 時間戳數組轉換為軸標籤的格式化日期字符串。
+ * @param {Array<number>} timeStampArr
+ * @param {string} timeFormat For example, 'MM/DD'
+ */
+export const mapTimestampToAxisTicksByFormat = (timeStampArr, timeFormat) => {
+  return timeStampArr.map(ts => moment(ts).format(timeFormat));
+};