Fix.

node_modules/performance-now/lib/performance-now.js

@@ -0,0 +1,36 @@
+// Generated by CoffeeScript 1.12.2
+(function() {
+  var getNanoSeconds, hrtime, loadTime, moduleLoadTime, nodeLoadTime, upTime;
+
+  if ((typeof performance !== "undefined" && performance !== null) && performance.now) {
+    module.exports = function() {
+      return performance.now();
+    };
+  } else if ((typeof process !== "undefined" && process !== null) && process.hrtime) {
+    module.exports = function() {
+      return (getNanoSeconds() - nodeLoadTime) / 1e6;
+    };
+    hrtime = process.hrtime;
+    getNanoSeconds = function() {
+      var hr;
+      hr = hrtime();
+      return hr[0] * 1e9 + hr[1];
+    };
+    moduleLoadTime = getNanoSeconds();
+    upTime = process.uptime() * 1e9;
+    nodeLoadTime = moduleLoadTime - upTime;
+  } else if (Date.now) {
+    module.exports = function() {
+      return Date.now() - loadTime;
+    };
+    loadTime = Date.now();
+  } else {
+    module.exports = function() {
+      return new Date().getTime() - loadTime;
+    };
+    loadTime = new Date().getTime();
+  }
+
+}).call(this);
+
+//# sourceMappingURL=performance-now.js.map