Validate the provided url

Author: johno

index.js

@@ -2,6 +2,8 @@
 
 var q = require('q');
 var isCss = require('is-css');
+var isBlank = require('is-blank')
+var isUrl = require('is-url-superb')
 var request = require('request');
 var cheerio = require('cheerio');
 var normalizeUrl = require('normalize-url');
@@ -20,6 +22,10 @@ module.exports = function(url, options){
   options.timeout = options.timeout || 5000;
   options.gzip = true;
 
+  if (typeof url !== 'string' || isBlank(url) || !isUrl(url)) {
+    throw new TypeError('get-css expected a url as a string')
+  }
+
   url = normalizeUrl(url, { stripWWW: false });
   options.url = url;
 

package.json

@@ -14,7 +14,9 @@
   "dependencies": {
     "cheerio": "^0.19.0",
     "commander": "^2.7.1",
+    "is-blank": "^1.0.0",
     "is-css": "^1.0.0",
+    "is-url-superb": "^2.0.0",
     "normalize-url": "^1.2.0",
     "q": "^1.1.2",
     "request": "^2.48.0",