Add syntax_tree and config

Author: seven1m

.streerc

@@ -0,0 +1,29 @@
+--print-width=120
+
+# Append * to .rb files so my conform.nvim config works plz :-)
+#
+#     syntax_tree = {
+#       tmpfile_format = "$FILENAME.conform.tmp",
+#       args = { "write", "$RELATIVE_FILEPATH" },
+#     }
+#
+--ignore-files=build/*
+--ignore-files=ext/*
+--ignore-files=lib/abbrev.rb*
+--ignore-files=lib/benchmark.rb*
+--ignore-files=lib/cgi*
+--ignore-files=lib/delegate.rb*
+--ignore-files=lib/erb*
+--ignore-files=lib/find.rb*
+--ignore-files=lib/ipaddr.rb*
+--ignore-files=lib/matrix*
+--ignore-files=lib/natalie/compiler/binding_gen.rb*
+--ignore-files=lib/pp.rb*
+--ignore-files=lib/prettyprint.rb*
+--ignore-files=lib/random/formatter.rb*
+--ignore-files=lib/shellwords.rb*
+--ignore-files=lib/uri*
+--ignore-files=spec/*
+--ignore-files=test/support/version.rb*
+
+--plugins=plugin/trailing_comma,plugin/single_quotes,plugin/disable_auto_ternary

Gemfile

@@ -6,6 +6,7 @@ gem 'rake'
 
 group :development do
   gem 'stackprof'
+  gem 'syntax_tree'
 end
 
 group :run_all_specs, optional: true do

Gemfile.lock

@@ -2,42 +2,20 @@ GEM
   remote: https://rubygems.org/
   specs:
     ansi (1.5.0)
-    ast (2.4.2)
     builder (3.3.0)
     concurrent-ruby (1.2.2)
-    json (2.9.1)
-    language_server-protocol (3.17.0.3)
     minitest (5.25.4)
     minitest-reporters (1.7.1)
       ansi
       builder
       minitest (>= 5.0)
       ruby-progressbar
-    parallel (1.26.3)
-    parser (3.3.6.0)
-      ast (~> 2.4.1)
-      racc
-    racc (1.8.1)
-    rainbow (3.1.1)
+    prettier_print (1.2.1)
     rake (13.1.0)
-    regexp_parser (2.9.3)
-    rubocop (1.69.2)
-      json (~> 2.3)
-      language_server-protocol (>= 3.17.0)
-      parallel (~> 1.10)
-      parser (>= 3.3.0.2)
-      rainbow (>= 2.2.2, < 4.0)
-      regexp_parser (>= 2.9.3, < 3.0)
-      rubocop-ast (>= 1.36.2, < 2.0)
-      ruby-progressbar (~> 1.7)
-      unicode-display_width (>= 2.4.0, < 4.0)
-    rubocop-ast (1.37.0)
-      parser (>= 3.3.1.0)
     ruby-progressbar (1.13.0)
     stackprof (0.2.25)
-    unicode-display_width (3.1.2)
-      unicode-emoji (~> 4.0, >= 4.0.4)
-    unicode-emoji (4.0.4)
+    syntax_tree (6.2.0)
+      prettier_print (>= 1.2.0)
 
 PLATFORMS
   arm64-darwin-20
@@ -56,8 +34,8 @@ DEPENDENCIES
   minitest
   minitest-reporters
   rake
-  rubocop
   stackprof
+  syntax_tree
 
 BUNDLED WITH
    2.3.26

Rakefile

@@ -1,4 +1,5 @@
 require_relative './lib/natalie/compiler/flags'
+require 'syntax_tree/rake_tasks'
 
 task default: :build
 
@@ -694,3 +695,9 @@ def current_build_mode
 
   File.read('.build').strip
 end
+
+SyntaxTree::Rake::CheckTask.new
+SyntaxTree::Rake::WriteTask.new do |t|
+  t.source_files = FileList[%w[Gemfile Rakefile lib/**/*.rb test/**/*.rb]]
+  # additional options in .streerc are respected
+end