add Html.unescape

Author: dorianmariecom

lib/code/object/html.rb

@@ -36,6 +36,9 @@ def self.call(**args)
         when "escape"
           sig(args) { Object.maybe }
           code_escape(*code_arguments.raw, **globals)
+        when "unescape"
+          sig(args) { Object.maybe }
+          code_unescape(*code_arguments.raw, **globals)
         when "join"
           sig(args) { [Object.maybe, Object.maybe] }
           code_join(*code_arguments.raw, **globals)
@@ -103,7 +106,17 @@ def self.code_escape(value_or_function = nil, **globals)
           code_value = value_or_function.to_code
         end
 
-        String.new(CGI.escapeHTML(value.to_s))
+        String.new(CGI.escapeHTML(code_value.to_s))
+      end
+
+      def self.code_unescape(value_or_function = nil, **globals)
+        if value_or_function.is_a?(Function)
+          code_value = value_or_function.to_code.call(**globals)
+        else
+          code_value = value_or_function.to_code
+        end
+
+        String.new(Nokogiri::HTML.fragment(code_value.to_s).text)
       end
 
       def self.code_join(first = nil, second = nil, **globals)

spec/code_spec.rb

@@ -424,6 +424,14 @@
       "Html.div { Html.raw(\"<span>ok</span>\") }.to_html",
       "'<div><span>ok</span></div>'"
     ],
+    [
+      "Html.escape(\"<span>&</span>\")",
+      "'&lt;span&gt;&amp;&lt;/span&gt;'"
+    ],
+    [
+      "Html.unescape(\"A&nbsp;&nbsp;B &amp; C\")",
+      "'A  B & C'"
+    ],
     ["[1, 2, 3].any?", "true"],
     ["[1, 2, 3].any?(&:even?)", "true"],
     ["[1, 2, 3].none?", "false"],