Beta 7 with some repo names changed.

Client/node_modules/mock-fs/lib/buffer.js

@@ -0,0 +1,14 @@
+exports.from =
+  Buffer.from ||
+  function(value, encoding) {
+    if (encoding) {
+      return new Buffer(value, encoding);
+    }
+    return new Buffer(value);
+  };
+
+exports.alloc =
+  Buffer.alloc ||
+  function(size) {
+    return new Buffer(size);
+  };