From 87e87089f0b0ade571de2ccc643b14c2cb435f88 Mon Sep 17 00:00:00 2001
From: dbarria <dbarria@letsta.lk>
Date: Wed, 17 Jul 2019 11:51:18 -0400
Subject: [PATCH] add support for ruby < 2.3

---
 json_logic.gemspec         | 4 +++-
 lib/core_ext/deep_fetch.rb | 2 ++
 lib/json_logic/version.rb  | 2 +-
 test/json_logic_test.rb    | 6 ++++++
 4 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/json_logic.gemspec b/json_logic.gemspec
index 4bfee64..329c0cc 100644
--- a/json_logic.gemspec
+++ b/json_logic.gemspec
@@ -18,10 +18,12 @@ Gem::Specification.new do |spec|
   end
   spec.require_paths = ['lib']
 
-  spec.required_ruby_version = '>= 2.3'
+  spec.required_ruby_version = '>= 2.2'
 
   spec.add_development_dependency 'bundler',  '~> 1.13'
   spec.add_development_dependency 'rake',     '~> 10.0'
   spec.add_development_dependency 'minitest', '~> 5.0'
+  spec.add_development_dependency 'byebug'
   spec.add_development_dependency 'pry'
+  spec.add_runtime_dependency 'backport_dig' if Gem::Version.new(RUBY_VERSION) < Gem::Version.new('2.3')
 end
diff --git a/lib/core_ext/deep_fetch.rb b/lib/core_ext/deep_fetch.rb
index 1c337ca..97612c1 100644
--- a/lib/core_ext/deep_fetch.rb
+++ b/lib/core_ext/deep_fetch.rb
@@ -1,3 +1,5 @@
+require 'backport_dig' if Gem::Version.new(RUBY_VERSION) < Gem::Version.new('2.3')
+
 class Hash
   def deep_fetch(key, default = nil)
     keys = key.to_s.split('.')
diff --git a/lib/json_logic/version.rb b/lib/json_logic/version.rb
index dd3ec53..590f4ef 100644
--- a/lib/json_logic/version.rb
+++ b/lib/json_logic/version.rb
@@ -1,3 +1,3 @@
 module JSONLogic
-  VERSION = '0.4.3'
+  VERSION = '0.4.4'
 end
diff --git a/test/json_logic_test.rb b/test/json_logic_test.rb
index b803a5d..72a913f 100644
--- a/test/json_logic_test.rb
+++ b/test/json_logic_test.rb
@@ -37,6 +37,12 @@ def test_symbol_operation
     assert_equal(true, JSONLogic.apply(logic, data))
   end
 
+  def test_false_value
+    logic = {'==': [{var: "flag"}, false]}
+    data = JSON.parse(%Q|{"flag": false}|)
+    assert_equal(true, JSONLogic.apply(logic, data))
+  end
+
   def test_add_operation
     new_operation = ->(v, d) { v.map { |x| x + 5 } }
     JSONLogic.add_operation('fives', new_operation)