Fix infinite loop, bump to version 1.2.1

Author: kddnewton

CHANGELOG.md

@@ -6,6 +6,12 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/) a
 
 ## [Unreleased]
 
+## [1.2.1] - 2023-03-09
+
+### Changed
+
+- Fixed a bug where having line suffixes on the final line without a breakable could cause an infinite loop.
+
 ## [1.2.0] - 2022-12-23
 
 ### Added
@@ -55,7 +61,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/) a
 
 - 🎉 Initial release! 🎉
 
-[unreleased]: https://github.com/ruby-syntax-tree/prettier_print/compare/v1.2.0...HEAD
+[unreleased]: https://github.com/ruby-syntax-tree/prettier_print/compare/v1.2.1...HEAD
+[1.2.1]: https://github.com/ruby-syntax-tree/prettier_print/compare/v1.2.0...v1.2.1
 [1.2.0]: https://github.com/ruby-syntax-tree/prettier_print/compare/v1.1.0...v1.2.0
 [1.1.0]: https://github.com/ruby-syntax-tree/prettier_print/compare/v1.0.2...v1.1.0
 [1.0.2]: https://github.com/ruby-syntax-tree/prettier_print/compare/v1.0.1...v1.0.2

Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    prettier_print (1.2.0)
+    prettier_print (1.2.1)
 
 GEM
   remote: https://rubygems.org/
@@ -20,6 +20,7 @@ GEM
 
 PLATFORMS
   arm64-darwin-21
+  arm64-darwin-22
   x86_64-darwin-21
   x86_64-linux
 

lib/prettier_print.rb

@@ -616,8 +616,11 @@ def flush(base_indentation = DEFAULT_INDENTATION)
       end
 
       if commands.empty? && line_suffixes.any?
-        commands += line_suffixes.sort_by(&line_suffix_sort)
-        line_suffixes = []
+        line_suffixes.sort_by(&line_suffix_sort).each do |(indent, mode, doc)|
+          commands += doc.contents.reverse.map { |part| [indent, mode, part] }
+        end
+
+        line_suffixes.clear
       end
     end
 

lib/prettier_print/version.rb

@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 class PrettierPrint
-  VERSION = "1.2.0"
+  VERSION = "1.2.1"
 end

test/prettier_print_test.rb

@@ -152,6 +152,15 @@ class PrettierPrintTest < Test::Unit::TestCase
       assert_equal "content # suffix\n", result
     end
 
+    test "PrettierPrint#line_suffix without a break" do
+      result =
+        PrettierPrint.format do |q|
+          q.line_suffix { q.text("# suffix") }
+        end
+
+      assert_equal "# suffix", result
+    end
+
     test "PrettierPrint#trim" do
       result =
         PrettierPrint.format do |q|