Handle whitespace in HTML-strings with ERB (#40)

Author: davidwessman

CHANGELOG.md

@@ -6,6 +6,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/) a
 
 ## [Unreleased]
 
+- Handle whitespace in HTML-strings using ERB-tags
+
 ## [0.9.1] - 2023-06-28
 
 - Handle formatting of multi-line ERB-tags with more than one statement.

lib/syntax_tree/erb/format.rb

@@ -11,7 +11,11 @@ def initialize(q)
 
       # Visit a Token node.
       def visit_token(node)
-        q.text(node.value.strip)
+        if %i[text whitespace].include?(node.type)
+          q.text(node.value)
+        else
+          q.text(node.value.strip)
+        end
       end
 
       # Visit a Document node.

test/fixture/erb_syntax_formatted.html.erb

@@ -41,3 +41,6 @@
   assign_b ||= "b"
   assign_c ||= "c"
 %>
+
+<div class="card mb-2 <%= condition ? "pb-3" : "pb-0" %> mt-<%= 5 * 5 %>">
+</div>

test/fixture/erb_syntax_unformatted.html.erb

@@ -40,3 +40,5 @@
   assign_b ||= "b"
   assign_c ||= "c"
 %>
+
+<div class="card mb-2 <%= condition ? "pb-3" : "pb-0" %> mt-<%=5 * 5%>"></div>