From 900bb5e845c3ad44defbd427cae3d44a4a43321f Mon Sep 17 00:00:00 2001
From: ivarlovlie <git@ivarlovlie.no>
Date: Sat, 25 Feb 2023 13:15:44 +0100
Subject: feat: Initial commit

---
 code/app/src/utilities/validators.ts | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 code/app/src/utilities/validators.ts

(limited to 'code/app/src/utilities/validators.ts')

diff --git a/code/app/src/utilities/validators.ts b/code/app/src/utilities/validators.ts
new file mode 100644
index 0000000..b69470e
--- /dev/null
+++ b/code/app/src/utilities/validators.ts
@@ -0,0 +1,34 @@
+export const EMAIL_REGEX = new RegExp(/^([a-z0-9]+(?:([._\-])[a-z0-9]+)*@(?:[a-z0-9]+(?:(-)[a-z0-9]+)?\.)+[a-z0-9](?:[a-z0-9]*[a-z0-9])?)$/i);
+export const URL_REGEX = new RegExp(/^(http:\/\/www\.|https:\/\/www\.|http:\/\/|https:\/\/)?[a-z0-9]+([\-.][a-z0-9]+)*\.[a-z]{2,5}(:[0-9]{1,5})?(\/.*)?$/gm);
+export const GUID_REGEX = new RegExp(/^[0-9a-f]{8}-[0-9a-f]{4}-[0-5][0-9a-f]{3}-[089ab][0-9a-f]{3}-[0-9a-f]{12}$/i);
+export const NORWEGIAN_PHONE_NUMBER_REGEX = new RegExp(/(0047|\+47|47)?\d{8,12}/);
+
+export function is_email(value: string): boolean {
+    return EMAIL_REGEX.test(String(value).toLowerCase());
+}
+
+export function is_url(value: string): boolean {
+    return URL_REGEX.test(String(value).toLowerCase());
+}
+
+export function is_norwegian_phone_number(value: string): boolean {
+    if (value.length < 8 || value.length > 12) {
+        return false;
+    }
+    return NORWEGIAN_PHONE_NUMBER_REGEX.test(String(value));
+}
+
+export function is_guid(value: string): boolean {
+    if (!value) {
+        return false;
+    }
+    if (value[0] === "{") {
+        value = value.substring(1, value.length - 1);
+    }
+    return GUID_REGEX.test(value);
+}
+
+export function is_empty_object(obj: object): boolean {
+    if (!obj) return true;
+    return obj !== void 0 && Object.keys(obj).length > 0;
+}
\ No newline at end of file
-- 
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