add node_modules

node_modules/base64-js/test/url-safe.js

@@ -0,0 +1,18 @@
+var test = require('tape'),
+  b64 = require('../lib/b64');
+
+test('decode url-safe style base64 strings', function (t) {
+  var expected = [0xff, 0xff, 0xbe, 0xff, 0xef, 0xbf, 0xfb, 0xef, 0xff];
+
+  var actual = b64.toByteArray('//++/++/++//');
+  for (var i = 0; i < actual.length; i++) {
+    t.equal(actual[i], expected[i])
+  }
+
+  actual = b64.toByteArray('__--_--_--__');
+  for (var i = 0; i < actual.length; i++) {
+    t.equal(actual[i], expected[i])
+  }
+  
+  t.end();
+});