get npm build to somehow work

src/ox/core/Date.js

@@ -288,6 +288,115 @@ export function getDate(date, utc) {
     return utc ? date.getUTCDate() : date.getDate();
 }
 
+/**
+ * Get day (alias for getDayOfWeek)
+ */
+export function getDay(date, utc) {
+    return getDayOfWeek(date, utc);
+}
+
+/**
+ * Get ISO day (Monday=1, Sunday=7)
+ */
+export function getISODay(date, utc) {
+    const day = getDayOfWeek(date, utc);
+    return day === 0 ? 7 : day;
+}
+
+/**
+ * Get day of the year (alias for getDayOfYear)
+ */
+export function getDayOfTheYear(date, utc) {
+    return getDayOfYear(date, utc);
+}
+
+/**
+ * Get first day of the year
+ */
+export function getFirstDayOfTheYear(date, utc) {
+    date = makeDate(date);
+    const year = getFullYear(date, utc);
+    return new Date(Date.UTC(year, 0, 1));
+}
+
+/**
+ * Set date (day of month)
+ */
+export function setDate(date, day, utc) {
+    date = makeDate(date);
+    if (utc) {
+        date.setUTCDate(day);
+    } else {
+        date.setDate(day);
+    }
+    return date;
+}
+
+/**
+ * Set full year
+ */
+export function setFullYear(date, year, utc) {
+    date = makeDate(date);
+    if (utc) {
+        date.setUTCFullYear(year);
+    } else {
+        date.setFullYear(year);
+    }
+    return date;
+}
+
+/**
+ * Set month
+ */
+export function setMonth(date, month, utc) {
+    date = makeDate(date);
+    if (utc) {
+        date.setUTCMonth(month);
+    } else {
+        date.setMonth(month);
+    }
+    return date;
+}
+
+/**
+ * Set hours
+ */
+export function setHours(date, hours, utc) {
+    date = makeDate(date);
+    if (utc) {
+        date.setUTCHours(hours);
+    } else {
+        date.setHours(hours);
+    }
+    return date;
+}
+
+/**
+ * Set minutes
+ */
+export function setMinutes(date, minutes, utc) {
+    date = makeDate(date);
+    if (utc) {
+        date.setUTCMinutes(minutes);
+    } else {
+        date.setMinutes(minutes);
+    }
+    return date;
+}
+
+/**
+ * Set seconds
+ */
+export function setSeconds(date, seconds, utc) {
+    date = makeDate(date);
+    if (utc) {
+        date.setUTCSeconds(seconds);
+    } else {
+        date.setSeconds(seconds);
+    }
+    return date;
+}
+
 // Helper functions
 function getFirstThursday(year, utc) {
     const jan1 = new Date(Date.UTC(year, 0, 1));
@@ -329,5 +438,15 @@ export default {
     makeDate,
     formatDate,
     parseDate,
-    getDate
+    getDate,
+    getDay,
+    getISODay,
+    getDayOfTheYear,
+    getFirstDayOfTheYear,
+    setDate,
+    setFullYear,
+    setMonth,
+    setHours,
+    setMinutes,
+    setSeconds
 };