Use fixed locals in templates by default

This is the recommended approach for new Roda applications.

Author: jeremyevans

Gemfile

@@ -1,9 +1,9 @@
 source 'https://rubygems.org'
 
 gem 'sassc', '>= 2'
-gem 'tilt', '>= 2.2'
+gem 'tilt', '>= 2.6'
 gem 'erubi', '>= 1.5'
-gem 'roda', '>= 3.66'
+gem 'roda', '>= 3.89'
 gem 'refrigerator', '>= 1'
 gem 'sequel', '>= 5.62'
 gem 'sequel_pg', '>= 1.8', require: 'sequel'

app.rb

@@ -37,7 +37,7 @@ class App < Roda
   plugin :route_csrf
   plugin :flash
   plugin :assets, css: 'app.scss', css_opts: css_opts, timestamp_paths: true
-  plugin :render, escape: true, layout: './layout', :template_opts=>{chain_appends: !defined?(SimpleCov), freeze: true, skip_compiled_encoding_detection: true}
+  plugin :render, escape: true, layout: './layout', :assume_fixed_locals=>true, :template_opts=>{chain_appends: !defined?(SimpleCov), freeze: true, skip_compiled_encoding_detection: true, scope_class: self, default_fixed_locals: '()', extract_fixed_locals: true}
   plugin :public
   plugin :Integer_matcher_max
   plugin :typecast_params_sized_integers, :sizes=>[64], :default_size=>64