set media attribute only if selector is given

lib/html.js

@@ -1,3 +1,9 @@
 module.exports = {
-    createLinkTag: (filename, selector) => `<link rel="stylesheet" type="text/css" href="${filename}" media="${selector}" />`
+    createLinkTag: (filename, selector) => {
+        if (selector) {
+            return `<link rel="stylesheet" type="text/css" href="${filename}" media="${selector}" />`
+        }
+
+        return `<link rel="stylesheet" type="text/css" href="${filename}" />`
+    }
 }

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@mightyplow/jslib",
-  "version": "0.1.1",
+  "version": "0.1.2",
   "description": "js helpers library",
   "main": "jslib.js",
   "dependencies": {