From e4f8bb2827340c49217a453b4f5e4d84d72e2518 Mon Sep 17 00:00:00 2001
From: V <v@anomalous.eu>
Date: Fri, 14 Aug 2020 23:53:11 +0200
Subject: Fix crashing on empty/invalid hrefs

---
 content.js | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/content.js b/content.js
index 72ddcc4..4c219b3 100644
--- a/content.js
+++ b/content.js
@@ -24,9 +24,13 @@ function process(root) {
   // mailto links
   // format: <a href="/cdn-cgi/l/email-protection#{encrypted data}">...</a>
   for (const node of root.querySelectorAll('a')) {
-    const url = new URL(node.href)
-    if (url.pathname === '/cdn-cgi/l/email-protection' && url.hash !== '')
-      node.href = `mailto:${decode(url.hash.slice(1))}`
+    try {
+      const url = new URL(node.href)
+      if (url.pathname === '/cdn-cgi/l/email-protection' && url.hash !== '')
+        node.href = `mailto:${decode(url.hash.slice(1))}`
+    } catch {
+      // either there wasn't an href, or it wasn't a valid URL
+    }
   }
 
   // everything else Cloudflare thinks is an email
-- 
cgit 1.4.1