Remove stringjs dependency due to vulnerability in string 3.3. It is … (

#542)

* Remove stringjs dependency due to vulnerability in string 3.3. It is used so little there is no need for the extra dependency in Swagger-tools.

Source: CERT
Name: https://nodesecurity.io/advisories/536
Url: https://nodesecurity.io/advisories/536
Source: CERT
Name: jprichardson/string.js#212
Url: jprichardson/string.js#212

* Suggested changes.

bin/swagger-tools

@@ -35,9 +35,18 @@ var path = require('path');
 var pkg = require('../package.json');
 var program = require('commander');
 var request = require('superagent');
-var S = require('string');
 var YAML = require('js-yaml');
 
+var padRight = function (s, len, ch) {
+  if (!ch) {
+    ch = ' ';
+  }
+  if (s.length >= len) {
+    return s;
+  }
+  return s + Array(len - s.length + 1).join(ch);
+};
+
 var exitWithError = function (msg) {
   console.error();
   console.error('  error: ' + msg);
@@ -222,8 +231,8 @@ program
     console.log('Swagger ' + version + ' Information:');
     console.log();
 
-    console.log('  ' + S('documentation url').padRight(paddingAmount).s + spec.docsUrl);
-    console.log('  ' + S('schema(s) url').padRight(paddingAmount).s + spec.schemasUrl);
+    console.log('  ' + padRight('documentation url', paddingAmount) + spec.docsUrl);
+    console.log('  ' + padRight('schema(s) url', paddingAmount) + spec.schemasUrl);
     console.log();
   });
 

package.json

@@ -79,7 +79,6 @@
     "qs": "^6.0.3",
     "serve-static": "^1.10.0",
     "spark-md5": "^3.0.0",
-    "string": "^3.3.0",
     "superagent": "^3.5.2",
     "swagger-converter": "^0.1.7",
     "traverse": "^0.6.6",