Use system eslint instead of eslintrb

This makes sure `eslint` works as expected, e.g. the config used is
respected and full feature set is present.

One has to make sure `eslint` is properly installed, though.

1 files changed, 14 insertions, 24 deletions

diff --git a/lib/pronto/eslint.rb b/lib/pronto/eslint.rb
index 990081e..fa4261d 100644
--- a/lib/pronto/eslint.rb
+++ b/lib/pronto/eslint.rb
@@ -1,6 +1,4 @@
 require 'pronto'
-require 'eslintrb'
-require 'globby'
 
 module Pronto
   class ESLint < Runner
@@ -14,8 +12,19 @@ module Pronto
     end
 
     def inspect(patch)
-      options = File.exist?('.eslintrc') ? :eslintrc : :defaults
-      offences = Eslintrb.lint(patch.new_file_full_path, options).compact
+      @_repo_path ||= @patches.first.repo.path
+
+      offences =
+        Dir.chdir(@_repo_path) do
+          JSON.parse(`eslint #{patch.new_file_full_path} -f json`)
+        end
+
+      offences =
+        offences
+          .select { |offence| offence['errorCount'] > 0 || offence['warningCount'] > 0 } # no warning or error, no problem
+          .map { |offence| offence['messages'] } # get error messages for that file
+          .flatten
+          .select { |offence| offence['line'] } # for now ignore errors without a line number
 
       offences.map do |offence|
         patch.added_lines.select { |line| line.new_lineno == offence['line'] }
@@ -31,26 +40,7 @@ module Pronto
     end
 
     def js_file?(path)
-      %w(.js .es6 .js.es6).include?(File.extname(path)) && !eslintignore_matches?(path)
-    end
-
-    def eslintignore_matches?(path)
-      @_repo_path ||= @patches.first.repo.path
-      @_eslintignore_path ||= File.join(@_repo_path, '.eslintignore')
-      @_eslintignore_exists ||= File.exist?(@_eslintignore_path)
-
-      return false unless @_eslintignore_exists
-
-      @_eslintignored_files ||=
-        Dir.chdir @_repo_path do # change to the repo path where `.eslintignore` was found
-          eslintignore_content = File.readlines(@_eslintignore_path).map(&:chomp)
-          ignored_files = Globby.select(eslintignore_content)
-
-          # prefix each found file with `repo_path`, because `path` is absolute, too
-          ignored_files.map { |file| File.join(@_repo_path, file).to_s }
-        end
-
-      @_eslintignored_files.include?(path.to_s)
+      %w(.js .es6 .js.es6).include?(File.extname(path))
     end
   end
 end