From 2f85645d453ea67fac349325ff062735e758ddac Mon Sep 17 00:00:00 2001
From: Tim Zallmann <tzallmann@gitlab.com>
Date: Fri, 14 Jul 2017 19:58:54 +0200
Subject: Brought in HAML Linter changes from Winnie

---
 .haml-lint.yml                     |  3 +++
 lib/haml_lint/inline_javascript.rb | 14 ++++++++++++++
 lib/tasks/haml-lint.rake           |  1 +
 3 files changed, 18 insertions(+)
 create mode 100644 lib/haml_lint/inline_javascript.rb

diff --git a/.haml-lint.yml b/.haml-lint.yml
index 528f99d08d2..09a11f4f7c1 100644
--- a/.haml-lint.yml
+++ b/.haml-lint.yml
@@ -38,6 +38,9 @@ linters:
   ImplicitDiv:
     enabled: true
 
+  InlineJavaScript:
+    enabled: true
+
   LeadingCommentSpace:
     enabled: false
 
diff --git a/lib/haml_lint/inline_javascript.rb b/lib/haml_lint/inline_javascript.rb
new file mode 100644
index 00000000000..eef95cd95ef
--- /dev/null
+++ b/lib/haml_lint/inline_javascript.rb
@@ -0,0 +1,14 @@
+require 'haml_lint/haml_visitor'
+require 'haml_lint/linter'
+require 'haml_lint/linter_registry'
+
+module HamlLint
+  class Linter::InlineJavaScript < Linter
+    include LinterRegistry
+
+    def visit_filter(node)
+      return unless node.filter_type == 'javascript'
+      record_lint(node, 'Inline JavaScript is discouraged. If needed, you can add this file to the list of exceptions in .haml-lint.yml.')
+    end
+  end
+end
diff --git a/lib/tasks/haml-lint.rake b/lib/tasks/haml-lint.rake
index 609dfaa48e3..ad2d034b0b4 100644
--- a/lib/tasks/haml-lint.rake
+++ b/lib/tasks/haml-lint.rake
@@ -1,5 +1,6 @@
 unless Rails.env.production?
   require 'haml_lint/rake_task'
+  require 'haml_lint/inline_javascript'
 
   HamlLint::RakeTask.new
 end
-- 
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