snippets

lib/liquid/locales/en.yml

@@ -4,6 +4,7 @@
       tag_unexpected_args: "Syntax Error in '%{tag}' - Valid syntax: %{tag}"
       assign: "Syntax Error in 'assign' - Valid syntax: assign [var] = [source]"
       capture: "Syntax Error in 'capture' - Valid syntax: capture [var]"
+      snippet: "Syntax Error in 'snippet' - Valid syntax: snippet [quoted string]"
       case: "Syntax Error in 'case' - Valid syntax: case [condition]"
       case_invalid_when: "Syntax Error in tag 'case' - Valid when condition: {% when [condition] [or condition2...] %}"
       case_invalid_else: "Syntax Error in tag 'case' - Valid else condition: {% else %} (no parameters) "

lib/liquid/partial_cache.rb

@@ -9,7 +9,7 @@ def self.load(template_name, context:, parse_context:)
       return cached if cached
 
       file_system = context.registers[:file_system]
-      source      = file_system.read_template_file(template_name)
+      source = file_system.read_template_file(template_name)
 
       parse_context.partial = true
 

lib/liquid/tags.rb

@@ -19,6 +19,7 @@
 require_relative "tags/raw"
 require_relative "tags/render"
 require_relative "tags/cycle"
+require_relative "tags/snippet"
 
 module Liquid
   module Tags
@@ -42,6 +43,7 @@ module Tags
       'if' => If,
       'echo' => Echo,
       'tablerow' => TableRow,
+      'snippet' => Snippet,
     }.freeze
   end
 end

lib/liquid/tags/render.rb

@@ -66,6 +66,14 @@ def render_tag(context, output)
       template_name = @template_name_expr
       raise ::ArgumentError unless template_name.is_a?(String)
 
+      puts '---------------'
+      puts template_name
+      puts '---------------'
+      if (inline_snippet = context.registers[:inline_snippet][template_name])
+        puts '!!!'
+        p(inline_snippet)
+      end
+
       partial = PartialCache.load(
         template_name,
         context: context,

lib/liquid/tags/snippet.rb

@@ -0,0 +1,36 @@
+# frozen_string_literal: true
+
+module Liquid
+  # @liquid_public_docs
+  # @liquid_type tag
+  # @liquid_category theme
+  # @liquid_name snippet
+  # @liquid_summary
+  #   Creates a new variable with a string value.
+  # @liquid_description
+  #   You can create complex strings with Liquid logic and variables.
+  # @liquid_syntax
+  #   {% snippet "input" %}
+  #     value
+  #   {% endsnippet %}
+  # @liquid_syntax_keyword variable The name of the variable being created.
+  # @liquid_syntax_keyword value The value you want to assign to the variable.
+  class Snippet < Block
+    SYNTAX = /(#{QuotedString}+)/o
+
+    def initialize(tag_name, markup, options)
+      super
+      if markup =~ SYNTAX
+        @to = Regexp.last_match(1)
+      else
+        raise SyntaxError, options[:locale].t("errors.syntax.snippet")
+      end
+    end
+
+    def render(context)
+      context.registers[:inline_snippet] ||= {}
+      context.registers[@to] = @body
+      ''
+    end
+  end
+end

test/integration/tags/snippet_test.rb

@@ -0,0 +1,46 @@
+# frozen_string_literal: true
+
+require 'test_helper'
+
+class SnippetTest < Minitest::Test
+  include Liquid
+
+  def xtest_valid_inline_snippet
+    template = <<~LIQUID.strip
+      {% snippet "input" %}
+        Hey
+      {% endsnippet %}
+    LIQUID
+    expected = ''
+
+    assert_template_result(expected, template)
+  end
+
+  def xtest_invalid_inline_snippet
+    template = <<~LIQUID.strip
+      {% snippet input %}
+        Hey
+      {% endsnippet %}
+    LIQUID
+    expected = "Syntax Error in 'snippet' - Valid syntax: snippet [quoted string]"
+
+    assert_match_syntax_error(expected, template)
+  end
+
+  def test_render_inline_snippet
+    template = <<~LIQUID.strip
+      {% snippet "input" %}
+        Hey
+      {% endsnippet %}
+
+      {%- render "input" %}{% render "input" %}
+    LIQUID
+    expected = <<~OUTPUT.strip
+      HeyHey
+    OUTPUT
+
+    assert_template_result(expected, template, partials: {
+      'input' => 'Hey',
+    })
+  end
+end