utils: cleanup and move isvalidurl to utils/url

src/utils/dom.ts

@@ -1,3 +1,5 @@
+import {isValidURL} from './url';
+
 type DataAttributes = {
   data: {
     [key: string]: string | number;
@@ -62,32 +64,6 @@ export const lockScroll = () => document.body.style.overflow = 'hidden';
 /** free global page scrolling */
 export const unlockScroll = () => document.body.style.removeProperty('overflow');
 
-export const isValidURL = (url: URL) => {
-  if (!['http:', 'https:'].includes(url.protocol)) {
-    return false;
-  }
-  if (!['', '443', '80'].includes(url.port)) {
-    return false;
-  }
-  if (url.hostname === 'localhost') {
-    return false;
-  }
-  const lastDot = url.hostname.lastIndexOf('.');
-  if (lastDot < 1) {
-    return false;
-  }
-  if (url.hostname.slice(lastDot) === '.local') {
-    return false;
-  }
-  if (url.hostname.slice(lastDot + 1).match(/^[\d]+$/)) { // there should be no tld with numbers, possible ipv4
-    return false;
-  }
-  if (url.hostname.includes(':')) { // possibly an ipv6 addr; certainly an invalid hostname
-    return false;
-  }
-  return true;
-}
-
 /**
  * example usage:
  *

src/utils/url.ts

@@ -37,3 +37,29 @@ export const getNoxyUrl = (
   link.searchParams.set('url', url);
   return link;
 };
+
+export const isValidURL = (url: URL) => {
+  if (!['http:', 'https:'].includes(url.protocol)) {
+    return false;
+  }
+  if (!['', '443', '80'].includes(url.port)) {
+    return false;
+  }
+  if (url.hostname === 'localhost') {
+    return false;
+  }
+  const lastDot = url.hostname.lastIndexOf('.');
+  if (lastDot < 1) {
+    return false;
+  }
+  if (url.hostname.slice(lastDot) === '.local') {
+    return false;
+  }
+  if (url.hostname.slice(lastDot + 1).match(/^[\d]+$/)) { // there should be no tld with numbers, possible ipv4
+    return false;
+  }
+  if (url.hostname.includes(':')) { // possibly an ipv6 addr; certainly an invalid hostname
+    return false;
+  }
+  return true;
+};