Fix.

node_modules/performance-now/src/performance-now.coffee

@@ -1,17 +0,0 @@
-if performance? and performance.now
-  module.exports = -> performance.now()
-else if process? and process.hrtime
-  module.exports = -> (getNanoSeconds() - nodeLoadTime) / 1e6
-  hrtime = process.hrtime
-  getNanoSeconds = ->
-    hr = hrtime()
-    hr[0] * 1e9 + hr[1]
-  moduleLoadTime = getNanoSeconds()
-  upTime = process.uptime() * 1e9
-  nodeLoadTime = moduleLoadTime - upTime
-else if Date.now
-  module.exports = -> Date.now() - loadTime
-  loadTime = Date.now()
-else
-  module.exports = -> new Date().getTime() - loadTime
-  loadTime = new Date().getTime()