From 6aaada1b9399ee99eee00318e24c36f4eef81a00 Mon Sep 17 00:00:00 2001
From: "James D. Forrester" <jforrester@wikimedia.org>
Date: Mon, 6 May 2019 16:25:17 -0700
Subject: [PATCH] build: Install eslint

Change-Id: Ica9063361e24fb071dc19f3c895078f69ea550c4
---
 .eslintrc.json |  7 +++++++
 .gitignore     |  1 +
 Gruntfile.js   | 19 +++++++++----------
 package.json   |  6 +++---
 4 files changed, 20 insertions(+), 13 deletions(-)
 create mode 100644 .eslintrc.json

diff --git a/.eslintrc.json b/.eslintrc.json
new file mode 100644
index 00000000..1a97f6e1
--- /dev/null
+++ b/.eslintrc.json
@@ -0,0 +1,7 @@
+{
+	"root": true,
+	"extends": [
+		"wikimedia/client",
+		"wikimedia/jquery"
+	]
+}
diff --git a/.gitignore b/.gitignore
index 5ef4d9ae..a8bc303f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,7 @@
 /vendor/
 .idea
 node_modules/
+.eslintcache
 
 # Editors
 *.kate-swp
diff --git a/Gruntfile.js b/Gruntfile.js
index 8e17c27d..04a51f5c 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -1,24 +1,23 @@
-/*jshint node:true */
+/* eslint-env node, es6 */
 module.exports = function ( grunt ) {
 	var conf = grunt.file.readJSON( 'extension.json' );
-	grunt.loadNpmTasks( 'grunt-contrib-jshint' );
+
 	grunt.loadNpmTasks( 'grunt-jsonlint' );
 	grunt.loadNpmTasks( 'grunt-banana-checker' );
-	grunt.loadNpmTasks( 'grunt-jscs' );
+	grunt.loadNpmTasks( 'grunt-eslint' );
 	grunt.loadNpmTasks( 'grunt-stylelint' );
 
 	grunt.initConfig( {
-		jshint: {
+		eslint: {
 			options: {
-				jshintrc: true
+				reportUnusedDisableDirectives: true,
+				cache: true
 			},
 			all: [
-				'*.js'
+				'**/*.js',
+				'!{vendor,node_modules}/**'
 			]
 		},
-		jscs: {
-			src: '<%= jshint.all %>'
-		},
 		banana: conf.MessagesDirs,
 		jsonlint: {
 			all: [
@@ -37,6 +36,6 @@ module.exports = function ( grunt ) {
 		}
 	} );
 
-	grunt.registerTask( 'test', [ 'jshint', 'jscs', 'jsonlint', 'banana', 'stylelint' ] );
+	grunt.registerTask( 'test', [ 'eslint', 'jsonlint', 'banana', 'stylelint' ] );
 	grunt.registerTask( 'default', 'test' );
 };
diff --git a/package.json b/package.json
index e98ee1a3..3ca727f1 100644
--- a/package.json
+++ b/package.json
@@ -4,10 +4,10 @@
 		"test": "grunt test"
 	},
 	"devDependencies": {
-		"grunt": "1.0.3",
+		"eslint-config-wikimedia": "0.11.0",
+		"grunt": "1.0.4",
 		"grunt-banana-checker": "0.6.0",
-		"grunt-contrib-jshint": "1.1.0",
-		"grunt-jscs": "2.3.0",
+		"grunt-eslint": "21.0.0",
 		"grunt-jsonlint": "1.1.0",
 		"grunt-stylelint": "0.10.1",
 		"stylelint-config-wikimedia": "0.5.0"