Suppress format deprecation warnings

lib/hamlit/engine.rb

@@ -1,6 +1,7 @@
 require 'temple'
 require 'hamlit/parser'
 require 'hamlit/compiler'
+require 'hamlit/html'
 require 'pretty_hamlit/engine'
 
 module Hamlit
@@ -21,7 +22,7 @@ module Hamlit
 
     use Parser
     use Compiler
-    html :Fast
+    use HTML
     filter :Escapable
     filter :ControlFlow
     filter :MultiFlattener

lib/hamlit/html.rb

@@ -0,0 +1,13 @@
+module Hamlit
+  class HTML < Temple::HTML::Fast
+    DEPRECATED_FORMATS = %i[html4 html5].freeze
+
+    def initialize(opts = {})
+      if DEPRECATED_FORMATS.include?(opts[:format])
+        opts = opts.dup
+        opts[:format] = :html
+      end
+      super(opts)
+    end
+  end
+end

lib/pretty_hamlit/engine.rb

@@ -1,5 +1,6 @@
 require 'temple'
 require 'hamlit/parser'
+require 'hamlit/html'
 require 'pretty_hamlit/compiler'
 require 'pretty_hamlit/dynamic_indentation'
 
@@ -21,7 +22,7 @@ module PrettyHamlit
 
     use Hamlit::Parser
     use Compiler
-    html :Fast
+    use Hamlit::HTML
     filter :Escapable
     filter :ControlFlow
     filter :MultiFlattener