fix inconsistency in url handling and don't let parseEmbedURL throw

components/text.js

@@ -259,7 +259,6 @@ export default memo(function Text ({ rel, imgproxyUrls, children, tab, itemId, o
               paddingRight: '15px'
             }
 
-            try {
             const { provider, id, meta } = parseEmbedUrl(href)
             // Youtube video embed
             if (provider === 'youtube') {
@@ -290,9 +289,6 @@ export default memo(function Text ({ rel, imgproxyUrls, children, tab, itemId, o
                 </div>
               )
             }
-            } catch {
-            // ignore invalid URLs
-            }
 
             // assume the link is an image which will fallback to link if it's not
             return <Img src={href} rel={rel ?? UNKNOWN_LINK_REL} {...props}>{children}</Img>

lib/url.js

@@ -1,11 +1,24 @@
 export function ensureProtocol (value) {
   if (!value) return value
   value = value.trim()
-  if (!/^([a-z0-9]+:\/\/|mailto:)/.test(value)) {
-    value = 'http://' + value
-  }
+  let url
+
+  try {
+    url = new URL(value)
+  } catch {
+    try {
+      url = new URL('http://' + value)
+    } catch {
       return value
     }
+  }
+
+  // remove trailing slash if new URL() added it
+  if (url.href.endsWith('/') && !value.endsWith('/')) {
+    return url.href.slice(0, -1)
+  }
+  return url.href
+}
 
 export function isExternal (url) {
   return !url.startsWith(process.env.NEXT_PUBLIC_URL + '/') && !url.startsWith('/')
@@ -63,6 +76,7 @@ export function parseInternalLinks (href) {
 }
 
 export function parseEmbedUrl (href) {
+  try {
     const { hostname, pathname, searchParams } = new URL(href)
 
     if (hostname.endsWith('youtube.com') && pathname.includes('/watch')) {
@@ -96,6 +110,9 @@ export function parseEmbedUrl (href) {
         }
       }
     }
+  } catch {
+    // ignore
+  }
 
   // Important to return empty object as default
   return {}