1 files changed, 10 insertions, 11 deletions
diff --git a/deps/npm/node_modules/uuid/lib/rng-browser.js b/deps/npm/node_modules/uuid/lib/rng-browser.js
index ac39b1289b..14d21170d5 100644
--- a/deps/npm/node_modules/uuid/lib/rng-browser.js
+++ b/deps/npm/node_modules/uuid/lib/rng-browser.js
@@ -2,25 +2,26 @@
 // browser this is a little complicated due to unknown quality of Math.random()
 // and inconsistent support for the `crypto` API.  We do the best we can via
 // feature-detection
-var rng;
 
-var crypto = global.crypto || global.msCrypto; // for IE 11
-if (crypto && crypto.getRandomValues) {
+// getRandomValues needs to be invoked in a context where "this" is a Crypto implementation.
+var getRandomValues = (typeof(crypto) != 'undefined' && crypto.getRandomValues.bind(crypto)) ||
+                      (typeof(msCrypto) != 'undefined' && msCrypto.getRandomValues.bind(msCrypto));
+if (getRandomValues) {
   // WHATWG crypto RNG - http://wiki.whatwg.org/wiki/Crypto
   var rnds8 = new Uint8Array(16); // eslint-disable-line no-undef
-  rng = function whatwgRNG() {
-    crypto.getRandomValues(rnds8);
+
+  module.exports = function whatwgRNG() {
+    getRandomValues(rnds8);
     return rnds8;
   };
-}
-
-if (!rng) {
+} else {
   // Math.random()-based (RNG)
   //
   // If all else fails, use Math.random().  It's fast, but is of unspecified
   // quality.
   var rnds = new Array(16);
-  rng = function() {
+
+  module.exports = function mathRNG() {
     for (var i = 0, r; i < 16; i++) {
       if ((i & 0x03) === 0) r = Math.random() * 0x100000000;
       rnds[i] = r >>> ((i & 0x03) << 3) & 0xff;
@@ -29,5 +30,3 @@ if (!rng) {
     return rnds;
   };
 }
-
-module.exports = rng;