Transform code base to typescript

Change-Id: Ia1f862fb5962ddd54b8d7643abbc39bb314d1f8e

src/components/date.ts

@@ -0,0 +1,30 @@
+export const DATE_FORMAT: Intl.DateTimeFormatOptions = {
+  year: "numeric",
+  month: "2-digit",
+  day: "2-digit",
+  hour: "2-digit",
+  minute: "2-digit",
+  second: "2-digit",
+};
+
+export const dateParser = (v: string | number | Date): number => {
+  const d = new Date(v);
+  return d.getTime();
+};
+
+export const dateFormatter = (
+  v: string | number | Date | undefined | null
+): string => {
+  if (v === undefined || v === null) return "";
+  const d = new Date(v);
+
+  const pad = "00";
+  const year = d.getFullYear().toString();
+  const month = (pad + (d.getMonth() + 1).toString()).slice(-2);
+  const day = (pad + d.getDate().toString()).slice(-2);
+  const hour = (pad + d.getHours().toString()).slice(-2);
+  const minute = (pad + d.getMinutes().toString()).slice(-2);
+
+  // target format yyyy-MM-ddThh:mm
+  return `${year}-${month}-${day}T${hour}:${minute}`;
+};