From 554045a1007418536e680b66479d37b159ee3002 Mon Sep 17 00:00:00 2001
From: Khassan D <khassan.dap@gmail.com>
Date: Fri, 13 Dec 2024 00:43:44 +0200
Subject: [PATCH] Solution

---
 src/formatDate.js | 80 ++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 79 insertions(+), 1 deletion(-)

diff --git a/src/formatDate.js b/src/formatDate.js
index 769e2766..00a792a5 100644
--- a/src/formatDate.js
+++ b/src/formatDate.js
@@ -8,7 +8,85 @@
  * @returns {string}
  */
 function formatDate(date, fromFormat, toFormat) {
-  // write code here
+  const [aFrom, bFrom, cFrom, separator] = fromFormat;
+  const fromFormatArray = [aFrom, bFrom, cFrom];
+  const [aTo, bTo, cTo, newSeparator] = toFormat;
+  const toFormatArray = [aTo, bTo, cTo];
+  const dateinNumbers = date.split(separator);
+
+  const dateInfo = getDateFromOld(fromFormatArray, dateinNumbers);
+
+  return setDateOrderNew(toFormatArray, dateInfo).join(newSeparator);
 }
 
+function getDateFromOld(fromArray, dateNumbers) {
+  const dateObj = {};
+
+  for (let i = 0; i < fromArray.length; i++) {
+    switch (fromArray[i]) {
+      case 'DD': {
+        dateObj.day = dateNumbers[i];
+        break;
+      }
+
+      case 'MM': {
+        dateObj.month = dateNumbers[i];
+        break;
+      }
+
+      case 'YYYY': {
+        dateObj.year = dateNumbers[i];
+        break;
+      }
+
+      case 'YY': {
+        if (dateNumbers[i] < 30) {
+          dateObj.year = `20${dateNumbers[i]}`;
+        } else {
+          dateObj.year = `19${dateNumbers[i]}`;
+        }
+        break;
+      }
+
+      default: {
+      }
+    }
+  }
+
+  return dateObj;
+}
+
+function setDateOrderNew(toArray, dateNumbersObj) {
+  const dateInArray = [];
+  const objToOperate = { ...dateNumbersObj };
+
+  for (let i = 0; i < toArray.length; i++) {
+    switch (toArray[i]) {
+      case 'DD': {
+        dateInArray.push(objToOperate.day);
+        break;
+      }
+
+      case 'MM': {
+        dateInArray.push(objToOperate.month);
+        break;
+      }
+
+      case 'YYYY': {
+        dateInArray.push(objToOperate.year);
+        break;
+      }
+
+      case 'YY': {
+        dateInArray.push(objToOperate.year.slice(-2));
+        break;
+      }
+
+      default: {
+      }
+    }
+  }
+
+  return dateInArray;
+}
 module.exports = formatDate;