Truncate long URLs while providing alt text for inline images

2019-05-26 22:42:01 +02:00 · 2019-05-26 22:42:01 +02:00 · 119852adab
parent c0a29cdb71
commit 119852adab
1 changed files with 9 additions and 1 deletions
--- a/app/lib/sanitize_config.rb
+++ b/app/lib/sanitize_config.rb
@ -32,7 +32,15 @@ class Sanitize
      node.name = 'a'

      node['href'] = node['src']
-      node.content = "[🖼 #{node['alt'] || node['href']}]"
+      if node['alt'].present?
+        node.content = "[🖼  #{node['alt']}]"
+      else
+        url = node['href']
+        prefix = url.match(/\Ahttps?:\/\/(www\.)?/).to_s
+        text   = url[prefix.length, 30]
+        text   = text + "…" if url[prefix.length..-1].length > 30
+        node.content = "[🖼  #{text}]"
+      end
    end

    QUERY_STRING_SANITIZER = lambda do |env|