Experiment: Hardcode parser to :strict everywhere

lib/liquid/environment.rb

@@ -4,10 +4,6 @@ module Liquid
   # The Environment is the container for all configuration options of Liquid, such as
   # the registered tags, filters, and the default error mode.
   class Environment
-    # The default error mode for all templates. This can be overridden on a
-    # per-template basis.
-    attr_accessor :error_mode
-
     # The tags that are available to use in the template.
     attr_accessor :tags
 
@@ -75,7 +71,7 @@ module Liquid
     # @api private
     def initialize
       @tags = Tags::STANDARD_TAGS.dup
-      @error_mode = :lax
+      @error_mode = :strict
       @strainer_template = Class.new(StrainerTemplate).tap do |klass|
         klass.add_filter(StandardFilters)
       end
@@ -85,6 +81,14 @@ module Liquid
       @strainer_template_class_cache = {}
     end
 
+    def error_mode
+      :strict
+    end
+
+    def error_mode=(mode)
+      :strict
+    end
+
     # Registers a new tag with the environment.
     #
     # @param name [String] The name of the tag.

lib/liquid/standardfilters.rb

@@ -3,6 +3,7 @@
 require 'cgi'
 require 'base64'
 require 'bigdecimal'
+
 module Liquid
   module StandardFilters
     MAX_I32 = (1 << 31) - 1
@@ -386,7 +387,6 @@ module Liquid
         end
       elsif ary.all? { |el| el.respond_to?(:[]) }
         begin
-          property = Utils.to_s(property)
           ary.sort { |a, b| nil_safe_compare(a[property], b[property]) }
         rescue TypeError
           raise_property_error(property)
@@ -416,7 +416,6 @@ module Liquid
         end
       elsif ary.all? { |el| el.respond_to?(:[]) }
         begin
-          property = Utils.to_s(property)
           ary.sort { |a, b| nil_safe_casecmp(a[property], b[property]) }
         rescue TypeError
           raise_property_error(property)
@@ -504,7 +503,6 @@ module Liquid
       elsif ary.empty? # The next two cases assume a non-empty array.
         []
       else
-        property = Utils.to_s(property)
         ary.uniq do |item|
           item[property]
         rescue TypeError
@@ -536,11 +534,6 @@ module Liquid
     # @liquid_syntax array | map: string
     # @liquid_return [array[untyped]]
     def map(input, property)
-      property = Utils.to_s(property)
-
-      # Return the input array if property is empty (no-op)
-      return InputIterator.new(input, context).to_a if property.empty?
-
       InputIterator.new(input, context).map do |e|
         e = e.call if e.is_a?(Proc)
 
@@ -570,7 +563,6 @@ module Liquid
       elsif ary.empty? # The next two cases assume a non-empty array.
         []
       else
-        property = Liquid::Utils.to_s(property)
         ary.reject do |item|
           item[property].nil?
         rescue TypeError
@@ -960,8 +952,6 @@ module Liquid
     # @liquid_syntax array | sum
     # @liquid_return [number]
     def sum(input, property = nil)
-      property = property.nil? ? nil : Utils.to_s(property)
-
       ary = InputIterator.new(input, context)
       return 0 if ary.empty?
 
@@ -990,9 +980,8 @@ module Liquid
 
     def filter_array(input, property, target_value, default_value = [], &block)
       ary = InputIterator.new(input, context)
-      return default_value if ary.empty?
 
-      property = Utils.to_s(property)
+      return default_value if ary.empty?
 
       block.call(ary) do |item|
         if target_value.nil?
@@ -1018,7 +1007,7 @@ module Liquid
     end
 
     def nil_safe_compare(a, b)
-      result = Utils.to_liquid_value(a) <=> Utils.to_liquid_value(b)
+      result = a <=> b
 
       if result
         result

lib/liquid/tags/decrement.rb

@@ -10,7 +10,7 @@ module Liquid
   # @liquid_description
   #   Variables that are declared with `decrement` are unique to the [layout](/themes/architecture/layouts), [template](/themes/architecture/templates),
   #   or [section](/themes/architecture/sections) file that they're created in. However, the variable is shared across
-  #   [snippets](/themes/architecture/snippets) included in the file.
+  #   [snippets](/themes/architecture#snippets) included in the file.
   #
   #   Similarly, variables that are created with `decrement` are independent from those created with [`assign`](/docs/api/liquid/tags/assign)
   #   and [`capture`](/docs/api/liquid/tags/capture). However, `decrement` and [`increment`](/docs/api/liquid/tags/increment) share

lib/liquid/tags/include.rb

@@ -6,7 +6,7 @@ module Liquid
   # @liquid_category theme
   # @liquid_name include
   # @liquid_summary
-  #   Renders a [snippet](/themes/architecture/snippets).
+  #   Renders a [snippet](/themes/architecture#snippets).
   # @liquid_description
   #   Inside the snippet, you can access and alter variables that are [created](/docs/api/liquid/tags/variable-tags) outside of the
   #   snippet.

lib/liquid/tags/increment.rb

@@ -10,7 +10,7 @@ module Liquid
   # @liquid_description
   #   Variables that are declared with `increment` are unique to the [layout](/themes/architecture/layouts), [template](/themes/architecture/templates),
   #   or [section](/themes/architecture/sections) file that they're created in. However, the variable is shared across
-  #   [snippets](/themes/architecture/snippets) included in the file.
+  #   [snippets](/themes/architecture#snippets) included in the file.
   #
   #   Similarly, variables that are created with `increment` are independent from those created with [`assign`](/docs/api/liquid/tags/assign)
   #   and [`capture`](/docs/api/liquid/tags/capture). However, `increment` and [`decrement`](/docs/api/liquid/tags/decrement) share

lib/liquid/tags/render.rb

@@ -6,7 +6,7 @@ module Liquid
   # @liquid_category theme
   # @liquid_name render
   # @liquid_summary
-  #   Renders a [snippet](/themes/architecture/snippets) or [app block](/themes/architecture/sections/section-schema#render-app-blocks).
+  #   Renders a [snippet](/themes/architecture#snippets) or [app block](/themes/architecture/sections/section-schema#render-app-blocks).
   # @liquid_description
   #   Inside snippets and app blocks, you can't directly access variables that are [created](/docs/api/liquid/tags/variable-tags) outside
   #   of the snippet or app block. However, you can [specify variables as parameters](/docs/api/liquid/tags/render#render-passing-variables-to-a-snippet)

lib/liquid/template.rb

@@ -27,11 +27,11 @@ module Liquid
       # :strict will enforce correct syntax.
       def error_mode=(mode)
         Deprecations.warn("Template.error_mode=", "Environment#error_mode=")
-        Environment.default.error_mode = mode
+        Environment.default.error_mode = :strict
       end
 
       def error_mode
-        Environment.default.error_mode
+        :strict
       end
 
       def default_exception_renderer=(renderer)

lib/liquid/version.rb

@@ -2,5 +2,5 @@
 # frozen_string_literal: true
 
 module Liquid
-  VERSION = "5.8.3"
+  VERSION = "5.8.1"
 end

test/integration/standard_filter_test.rb

@@ -560,47 +560,15 @@ class StandardFiltersTest < Minitest::Test
     end
   end
 
-  def test_map_with_nil_property
-    array = [
-      { "handle" => "alpha", "value" => "A" },
-      { "handle" => "beta", "value" => "B" },
-      { "handle" => "gamma", "value" => "C" }
-    ]
-
-    assert_template_result("alpha beta gamma", "{{ array | map: nil | map: 'handle' | join: ' ' }}", { "array" => array })
-  end
-
-  def test_map_with_empty_string_property
-    array = [
-      { "handle" => "alpha", "value" => "A" },
-      { "handle" => "beta", "value" => "B" },
-      { "handle" => "gamma", "value" => "C" }
-    ]
-
-    assert_template_result("alpha beta gamma", "{{ array | map: '' | map: 'handle' | join: ' ' }}", { "array" => array })
-  end
-
-  def test_map_with_value_property
-    array = [
-      { "handle" => "alpha", "value" => "A" },
-      { "handle" => "beta", "value" => "B" },
-      { "handle" => "gamma", "value" => "C" }
-    ]
-
-    assert_template_result("A B C", "{{ array | map: 'value' | join: ' ' }}", { "array" => array })
-  end
-
-  def test_map_returns_input_with_no_property
-    input = [
+  def test_map_returns_empty_with_no_property
+    foo = [
       [1],
       [2],
       [3],
     ]
-    result = @filters.map(input, nil)
-    assert_equal(input.flatten, result)
-
-    result = @filters.map(input, '')
-    assert_equal(input.flatten, result)
+    assert_raises(Liquid::ArgumentError) do
+      @filters.map(foo, nil)
+    end
   end
 
   def test_sort_works_on_enumerables
@@ -1065,22 +1033,6 @@ class StandardFiltersTest < Minitest::Test
     assert_template_result(expected_output, template, { "array" => array })
   end
 
-  def test_where_with_empty_string_is_a_no_op
-    environment = { "array" => ["alpha", "beta", "gamma"] }
-    expected_output = "alpha beta gamma"
-    template = "{{ array | where: '' | join: ' ' }}"
-
-    assert_template_result(expected_output, template, environment)
-  end
-
-  def test_where_with_nil_is_a_no_op
-    environment = { "array" => ["alpha", "beta", "gamma"] }
-    expected_output = "alpha beta gamma"
-    template = "{{ array | where: nil | join: ' ' }}"
-
-    assert_template_result(expected_output, template, environment)
-  end
-
   def test_where_with_value
     array = [
       { "handle" => "alpha", "ok" => true },
@@ -1109,19 +1061,6 @@ class StandardFiltersTest < Minitest::Test
     assert_template_result(expected_output, template, { "array" => array })
   end
 
-  def test_where_with_non_string_property
-    array = [
-      { "handle" => "alpha", "{}" => true },
-      { "handle" => "beta", "{}" => false },
-      { "handle" => "gamma", "{}" => false },
-      { "handle" => "delta", "{}" => true },
-    ]
-    template = "{{ array | where: some_property, true | map: 'handle' | join: ' ' }}"
-    expected_output = "alpha delta"
-
-    assert_template_result(expected_output, template, { "array" => array, "some_property" => {} })
-  end
-
   def test_where_string_keys
     input = [
       "alpha", "beta", "gamma", "delta"
@@ -1329,17 +1268,6 @@ class StandardFiltersTest < Minitest::Test
     assert_template_result("0", "{{ input | sum: 'subtotal' }}", { "input" => input })
   end
 
-  def test_sum_with_non_string_property
-    input = [{ "true" => 1 }, { "1.0" => 0.2, "1" => -0.3 }, { "1..5" => 0.4 }]
-
-    assert_equal(1, @filters.sum(input, true))
-    assert_equal(0.2, @filters.sum(input, 1.0))
-    assert_equal(-0.3, @filters.sum(input, 1))
-    assert_equal(0.4, @filters.sum(input, (1..5)))
-    assert_equal(0, @filters.sum(input, nil))
-    assert_equal(0, @filters.sum(input, ""))
-  end
-
   private
 
   def with_timezone(tz)