From 58142d3157c71ac471781ee476c399b4efd2ec57 Mon Sep 17 00:00:00 2001
From: Mastermindzh <info@rickvanlieshout.com>
Date: Thu, 15 Jul 2021 10:57:14 +0200
Subject: [PATCH] added getCustomIsoString

---
 typescript/datetime/getCustomIsoString.ts | 28 +++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 typescript/datetime/getCustomIsoString.ts

diff --git a/typescript/datetime/getCustomIsoString.ts b/typescript/datetime/getCustomIsoString.ts
new file mode 100644
index 0000000..22744b4
--- /dev/null
+++ b/typescript/datetime/getCustomIsoString.ts
@@ -0,0 +1,28 @@
+/**
+ * Given a JS date returns a valid ISO date string with offset
+ *
+ * const myDate = new Date();
+ * console.log(getCustomIsoString(myDate));
+ * > 2021-07-07T13:35:18+02:00
+ *
+ */
+const getCustomIsoString = (date: Date) => {
+  /**
+   * If the month is smaller than 10, add a 0 in front of the string
+   */
+  const pad = (num: number): string => {
+    const norm = Math.floor(Math.abs(num));
+    return (norm < 10 ? "0" : "") + norm.toString();
+  };
+
+  const timeZoneOffset = -date.getTimezoneOffset();
+  const timeZoneDifference = timeZoneOffset >= 0 ? "+" : "-";
+
+  return `${date.getFullYear()}-${pad(date.getMonth() + 1)}-${pad(
+    date.getDate()
+  )}T${pad(date.getHours())}:${pad(date.getMinutes())}:${pad(
+    date.getSeconds()
+  )}${timeZoneDifference}${pad(timeZoneOffset / 60)}:${pad(
+    timeZoneOffset % 60
+  )}`;
+};