fix: double-slashes with version prefix

Author: palkan

lib/uptriever/config.rb

@@ -32,7 +32,7 @@ def documents
           File.join(config["url_prefix"], _1)
         end
 
-        link = page["link"] || File.join(config.fetch("hostname"), relative_link)
+        link = (page["link"] || File.join(config.fetch("hostname"), relative_link)).gsub(/([^:])\/{2,}/, '\1/')
         id = page["id"] || relative_link.sub(/^\//, "").gsub(/[\/-]/, "-")
 
         Document.new(id, page["source"], link, **defaults.merge({groups: page["groups"], tags: page["tags"], weight: page["weight"]}.compact))

test/config_test.rb

@@ -26,5 +26,14 @@ def test_erb
     ensure
       ENV.delete("URL_PREFIX")
     end
+
+    def test_double_slashes
+      ENV["URL_PREFIX"] = "//latest/subpath"
+      docs = @config.documents
+
+      assert_equal "https://docs.anycable.io/latest/subpath/js/setup", docs.first.link
+    ensure
+      ENV.delete("URL_PREFIX")
+    end
   end
 end