Do not affect curly interpolation on style/script tags, closes #3714

Author: josevalim

lib/phoenix_live_view/tokenizer.ex

@@ -455,7 +455,8 @@ defmodule Phoenix.LiveView.Tokenizer do
         acc = put_attr(acc, name, attr_meta, value)
 
         state =
-          if name == "phx-no-curly-interpolation" and state.braces == :enabled do
+          if name == "phx-no-curly-interpolation" and state.braces == :enabled and
+               not script_or_style?(acc) do
             %{state | braces: 0}
           else
             state
@@ -469,6 +470,9 @@ defmodule Phoenix.LiveView.Tokenizer do
     end
   end
 
+  defp script_or_style?([{:tag, name, _, _} | _]) when name in ~w(script style), do: true
+  defp script_or_style?(_), do: false
+
   ## handle_root_attribute
 
   defp handle_root_attribute(text, line, column, acc, state) do

test/phoenix_live_view/html_engine_test.exs

@@ -121,6 +121,14 @@ defmodule Phoenix.LiveView.HTMLEngineTest do
     assert render("""
            <div phx-no-curly-interpolation>{open}{<%= :eval %>}{close}</div>
            """) == "<div>{open}{eval}{close}</div>"
+
+    assert render("""
+           {:pre}<style phx-no-curly-interpolation>{css}</style>{:post}
+           """) == "pre<style>{css}</style>post"
+
+    assert render("""
+           <div phx-no-curly-interpolation>{:pre}<style phx-no-curly-interpolation>{css}</style>{:post}</div>
+           """) == "<div>{:pre}<style>{css}</style>{:post}</div>"
   end
 
   test "handles string attributes" do