Added localized date formatting function

amd/src/string-helper.js

@@ -54,4 +54,22 @@ export function load_stringkeys(string_keys){
     }
     return string_keys;
 }
+/**
+ * Format a date according to localized custom
+ * @param {Date|string} d The date to convert
+ * @param {boolean} short Short format (default false)
+ * @returns {string}
+ */
+export function format_date(d,short){
+    if(!(d instanceof Date)){
+        d = new Date(d);
+    }
 
+    let monthformat = "short";
+    if(short){
+        monthformat = "numeric";
+    }
+    return d.toLocaleDateString(document.documentElement.lang,{
+        year: 'numeric', month: monthformat, day: 'numeric'
+    });
+}