Allow spaces after filter pipes in Jinja lexer (#1385)

This commit allows for optional spaces after filter pipes in the Jinja lexer.
rouge-ruby · Jan 7, 2020 · 81e3b8d · 81e3b8d
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commit 81e3b8d
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diff --git a/lib/rouge/lexers/jinja.rb b/lib/rouge/lexers/jinja.rb
@@ -57,7 +57,7 @@ def self.word_operators
 
       state :filter do
         # Filters are called like variable|foo(arg1, ...)
-        rule %r/(\|)(\w+)/ do
+        rule %r/(\|\s*)(\w+)/ do
           groups Operator, Name::Function
         end
       end

diff --git a/spec/visual/samples/jinja b/spec/visual/samples/jinja
@@ -12,7 +12,9 @@
 
 {# A comment #}
 
-Hello {{ user.name|capitalize }} !
+Hello {{ user.name|capitalize | upper }} !
+
+Cool list filter {{ listx | join(', ') }}
 
 {% if user.admin is true %}
   <span>You're an admin !</span>