add base files

1 files changed, 32 insertions, 0 deletions

diff --git a/node_modules/uuid/lib/rng-browser.js b/node_modules/uuid/lib/rng-browser.js
new file mode 100644
index 0000000..14d2117
--- /dev/null
+++ b/node_modules/uuid/lib/rng-browser.js
@@ -0,0 +1,32 @@
+// Unique ID creation requires a high quality random # generator.  In the
+// 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
+
+// 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
+
+  module.exports = function whatwgRNG() {
+    getRandomValues(rnds8);
+    return rnds8;
+  };
+} 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);
+
+  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;
+    }
+
+    return rnds;
+  };
+}