'use strict' fixes #170

.eslintrc.json

@@ -45,6 +45,7 @@
     "semi": ["warn", "always"],
     "space-before-blocks": ["warn", "always"],
     "space-before-function-paren": ["warn", "never"],
-    "space-in-parens": ["warn", "never"]
+    "space-in-parens": ["warn", "never"],
+    "strict": ["warn", "global"]
   }
 }

cli.js

@@ -1,5 +1,7 @@
 #!/usr/bin/env node
 
+'use strict';
+
 var mime = require('./mime.js');
 var file = process.argv[2];
 var type = mime.getType(file);

index.js

@@ -1,2 +1,4 @@
+'use strict';
+
 const Mime = require('./Mime');
 module.exports = new Mime(require('./types/standard'), require('./types/other'));

lite.js

@@ -1,2 +1,4 @@
+'use strict';
+
 const Mime = require('./Mime');
 module.exports = new Mime(require('./types/standard'));

src/build.js

@@ -1,5 +1,7 @@
 #!/usr/bin/env node
 
+'use strict';
+
 const fs = require('fs');
 const path = require('path');
 

src/test.js

@@ -1,3 +1,5 @@
+'use strict';
+
 var mime = require('..');
 var mimeTypes = require('../node_modules/mime-types');
 var assert = require('assert');