Added forgotten strict mode declarations

.eslintrc.json

@@ -89,6 +89,10 @@
 	],
 	"brace-style": [
 		"error"
+	],
+	"strict": [
+		"error",
+		"global"
 	]
     }
 }

gulpfile.js

@@ -1,3 +1,5 @@
+'use strict';
+
 const del = require('del');
 const gulp = require('gulp');
 const postcss = require('gulp-postcss');

lib/handlebarsHelpers.js

@@ -1,3 +1,5 @@
+'use strict';
+
 const helpers = {};
 
 helpers.eq = (arg1, arg2, options) =>

routes/admin.js

@@ -1,3 +1,5 @@
+'use strict';
+
 const express = require('express');
 const router = express.Router();
 

routes/class.js

@@ -1,3 +1,5 @@
+'use strict';
+
 const express = require('express');
 const router = express.Router();
 

routes/main.js

@@ -1,3 +1,5 @@
+'use strict';
+
 const express = require('express');
 const router = express.Router();
 

routes/report.js

@@ -1,3 +1,5 @@
+'use strict';
+
 const express = require('express');
 const router = express.Router();
 

routes/test.js

@@ -1,3 +1,5 @@
+'use strict';
+
 const express = require('express');
 const router = express.Router();