Add support for case-in statements

haml · Dec 9, 2023 · 616cf38 · 616cf38
1 parent 88049a6
commit 616cf38
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Showing 2 changed files with 14 additions and 1 deletion.
diff --git a/lib/haml/parser.rb b/lib/haml/parser.rb
@@ -78,7 +78,7 @@ class Parser
     #
     BLOCK_WITH_SPACES = /do\s*\|\s*[^\|]*\s+\|\z/
 
-    MID_BLOCK_KEYWORDS = %w[else elsif rescue ensure end when].freeze
+    MID_BLOCK_KEYWORDS = %w[else elsif rescue ensure end when in].freeze
     START_BLOCK_KEYWORDS = %w[if begin case unless].freeze
     # Try to parse assignments to block starters as best as possible
     START_BLOCK_KEYWORD_REGEX = /(?:\w+(?:,\s*\w+)*\s*=\s*)?(#{START_BLOCK_KEYWORDS.join('|')})/

diff --git a/test/haml/engine/silent_script_test.rb b/test/haml/engine/silent_script_test.rb
@@ -164,6 +164,19 @@
       HAML
     end
 
+    it 'renders case-in' do
+      skip 'pattern-matching not supported' if RUBY_VERSION < '2.7' || RUBY_ENGINE == 'truffleruby'
+      assert_render(<<-HTML.unindent, <<-'HAML'.unindent)
+        ok
+      HTML
+        - case [:foo, 'ok']
+        - in [:foo, msg]
+          = msg
+        - else
+          ng
+      HAML
+    end
+
     it 'renders begin-rescue' do
       assert_render(<<-HTML.unindent, <<-HAML.unindent)
         hello