all these changes

frontend/node_modules/microseconds/now.js

@@ -0,0 +1,22 @@
+/* global performance */
+'use strict'
+
+let now
+
+if (global.process && process.hrtime) {
+  const hrtime = process.hrtime
+
+  now = () => {
+    const hr = hrtime()
+    return (hr[0] * 1e9 + hr[1]) / 1e3
+  }
+} else if (global.performance && performance.now) {
+  const timing = performance.timing
+  const start = (timing && timing.navigationStart) || Date.now()
+
+  now = () => (start + performance.now()) * 1e3
+} else {
+  now = () => Date.now() * 1e3
+}
+
+module.exports = now