turbopack and app router; very annoying to work with!

src/app/lib/date.ts

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+// getMonth() method ranges from 0-11 so no reason to account for it
+const months = [
+    'January',
+    'February',
+    'March',
+    'April',
+    'May',
+    'June',
+    'July',
+    'August',
+    'September',
+    'October',
+    'November',
+    'December'
+];
+
+function get12HourTime(pdate: Date | string): string {
+    const date = (typeof pdate === 'string') ? new Date(pdate) : pdate;
+    let hours = date.getHours();
+    const minutes = date.getMinutes();
+    let meridiem = 'A.M.';
+
+    let strhours = ''
+    
+    if (hours > 12) {
+        hours -= 12;
+        meridiem = 'P.M.';
+    }
+
+    if (hours === 0)
+        hours = 12;
+    
+    return `${hours}:${minutes < 10 ? '0' : ''}${minutes} ${meridiem}`;
+
+}
+
+function toHumanReadableDate(date: Date | string, disable?: { year?: boolean, month?: boolean, day?: boolean }) {
+    const oDate = (typeof date === 'string') ? new Date(date) : date;
+
+    const year = oDate.getFullYear();
+    const month = months[oDate.getMonth()];
+    const day = oDate.getDate();
+    const suffix = getOrdinalDaySuffix(day)
+    let out = '';
+    out = !disable?.month ? `${month}` : '';
+    out = !disable?.day ? `${out} ${day}${suffix}` : out;
+    out = !disable?.year ? `${out}, ${year}` : out;
+
+    return out;
+}
+
+
+export function getOrdinalDaySuffix(day: number): string {
+    switch (day) {
+        case 1:
+        case 21:
+        case 31:
+            return 'st';
+        case 2:
+        case 22:
+            return 'nd';
+        case 3:
+        case 23:
+            return 'rd';
+        default:
+            return 'th';
+    }
+}
+
+export function toLocaleString(pdate: Date | string): string {
+    const date = (typeof pdate === 'string') ? new Date(pdate) : pdate;
+    return `${toHumanReadableDate(date)} at ${get12HourTime(date)}`;
+}
+
+export function toRelativeDate(date: Date | string): string {
+    const oDate = (typeof date === 'string') ? new Date(date) : date;
+
+
+    if (!isValid(oDate)) {
+        return 'Invalid Date';
+    }
+
+    const now = new Date();
+    const diff = now.getTime() - oDate.getTime();
+
+    let tdiff = Math.floor(diff / 1000);
+
+    if (tdiff < 0) {
+        return toHumanReadableDate(oDate);
+    }
+
+    if (tdiff < 60) {
+        return `${tdiff} seconds ago`;
+    }
+
+    tdiff = Math.floor(tdiff / 60);
+    if (tdiff < 60) {
+        return `${tdiff} minute${tdiff === 1 ? '' : 's'} ago`;
+    }
+
+    tdiff = Math.floor(tdiff / 60);
+    if (tdiff < 24) {
+        return `${tdiff} hour${tdiff === 1 ? '' : 's'} ago`;
+    }
+    if (tdiff < 48) {
+        return `Yesterday`;
+    }
+
+    if (oDate.getFullYear() != now.getFullYear())
+        return toHumanReadableDate(oDate);
+    return toHumanReadableDate(oDate, { year: true });
+}
+
+export function getFullMonth(month: number) {
+    if (month >= 1 && month <= 12)
+        return months[month];
+    return 'Invalid Month';
+}
+
+export function isValid(date: any) {
+    return (new Date(date)).toString() !== 'Invalid Date';
+}
+
+const DateTool = {
+    toRelativeDate,
+    getFullMonth,
+    isValid,
+    getOrdinalDaySuffix,
+    toLocaleString,
+};
+
+export default DateTool;