initial commit

lib/date.ts

@@ -0,0 +1,27 @@
+/**
+ * Convert the date format of YYYY-MM-DD to American writing
+ * @param date The date in format of YYYY-MM-DD.
+ */
+export const normalizeDate = (date: string): string => {
+  if (date == null) return "01 January, 1970";
+  let [year, month, day] = date.split("-");
+  let month_num = parseInt(month);
+  let day_num = parseInt(day);
+  const month_en: {
+    [index: number]: string;
+  } = {
+    1: "January",
+    2: "February",
+    3: "March",
+    4: "April",
+    5: "May",
+    6: "June",
+    7: "July",
+    8: "August",
+    9: "September",
+    10: "October",
+    11: "November",
+    12: "December",
+  };
+  return `${day_num} ${month_en[month_num]}, ${year}`;
+};