From 12df00b5e5ac8287afad0f2d52aa0f35a6e8a2ee Mon Sep 17 00:00:00 2001
From: bbsteventill <still3@bloomberg.net>
Date: Sat, 31 Mar 2018 13:01:17 -0400
Subject: added ability to set config opts to eslint (#9)

* added ability to set config opts to eslint

* add spec for eslint command line
---
 README.md                        |  2 ++
 lib/pronto/eslint_npm.rb         | 10 +++++++---
 lib/pronto/eslint_npm/version.rb |  2 +-
 spec/pronto/eslint_spec.rb       | 19 +++++++++++++++++++
 4 files changed, 29 insertions(+), 4 deletions(-)

diff --git a/README.md b/README.md
index f5b0d5e..508080b 100644
--- a/README.md
+++ b/README.md
@@ -34,6 +34,7 @@ Following options are available:
 | ----------------- | ---------------------------------------------------------------------------------------- | ----------------------------------- |
 | eslint_executable | ESLint executable to call.                                                               | `eslint` (calls `eslint` in `PATH`) |
 | files_to_lint     | What files to lint. Absolute path of offending file will be matched against this Regexp. | `(\.js|\.es6)$`                     |
+| cmd_line_opts     | Command line options to pass to eslint when running                                      | ''                                  |
 
 Example configuration to call custom eslint executable and only lint files ending with `.my_custom_extension`:
 
@@ -41,4 +42,5 @@ Example configuration to call custom eslint executable and only lint files endin
 # .pronto_eslint_npm.yml
 eslint_executable: '/my/custom/node/path/.bin/eslint'
 files_to_lint: '\.my_custom_extension$'
+cmd_line_opts: '--ext .html,.js,.es6'
 ```
diff --git a/lib/pronto/eslint_npm.rb b/lib/pronto/eslint_npm.rb
index 63a215b..6a9c00c 100644
--- a/lib/pronto/eslint_npm.rb
+++ b/lib/pronto/eslint_npm.rb
@@ -6,9 +6,9 @@ require 'shellwords'
 module Pronto
   class ESLintNpm < Runner
     CONFIG_FILE = '.pronto_eslint_npm.yml'.freeze
-    CONFIG_KEYS = %w[eslint_executable files_to_lint].freeze
+    CONFIG_KEYS = %w[eslint_executable files_to_lint cmd_line_opts].freeze
 
-    attr_writer :eslint_executable
+    attr_writer :eslint_executable, :cmd_line_opts
 
     def eslint_executable
       @eslint_executable || 'eslint'
@@ -18,6 +18,10 @@ module Pronto
       @files_to_lint || /(\.js|\.es6)$/
     end
 
+    def cmd_line_opts
+      @cmd_line_opts || ''
+    end
+
     def files_to_lint=(regexp)
       @files_to_lint = regexp.is_a?(Regexp) && regexp || Regexp.new(regexp)
     end
@@ -84,7 +88,7 @@ module Pronto
     end
 
     def eslint_command_line(path)
-      "#{eslint_executable} #{Shellwords.escape(path)} -f json"
+      "#{eslint_executable} #{cmd_line_opts} #{Shellwords.escape(path)} -f json"
     end
 
     def clean_up_eslint_output(output)
diff --git a/lib/pronto/eslint_npm/version.rb b/lib/pronto/eslint_npm/version.rb
index 2d3f9d8..1fc96c9 100644
--- a/lib/pronto/eslint_npm/version.rb
+++ b/lib/pronto/eslint_npm/version.rb
@@ -2,6 +2,6 @@
 
 module Pronto
   module ESLintNpmVersion
-    VERSION = '0.9.0'.freeze
+    VERSION = '0.9.1'.freeze
   end
 end
diff --git a/spec/pronto/eslint_spec.rb b/spec/pronto/eslint_spec.rb
index a00a05b..0924f30 100644
--- a/spec/pronto/eslint_spec.rb
+++ b/spec/pronto/eslint_spec.rb
@@ -57,6 +57,15 @@ module Pronto
           end
         end
 
+        context(
+          'with cmd_line_opts to include .html',
+          config: { 'cmd_line_opts' => '--ext .html' }
+        ) do
+          it 'returns correct number of errors' do
+            expect(run.count).to eql 5
+          end
+        end
+
         context(
           'with different eslint executable',
           config: { 'eslint_executable' => './custom_eslint.sh' }
@@ -139,6 +148,16 @@ module Pronto
           expect(eslint_command_line).not_to include(path)
         end
       end
+      
+      context(
+        'with some command line options',
+        config: { 'cmd_line_opts' => '--my command --line opts' }
+      ) do
+        it 'includes the custom command line options' do
+          eslint.read_config
+          expect(eslint_command_line).to include('--my command --line opts')
+        end
+      end
     end
   end
 end
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