all these changes

frontend/node_modules/nano-time/index.js

@@ -0,0 +1,18 @@
+'use strict';
+
+const BigInt = require('big-integer');
+
+const loadNs = process.hrtime();
+const loadMs = new Date().getTime();
+
+function nanoseconds() {
+  let diffNs = process.hrtime(loadNs);
+  return BigInt(loadMs).times(1e6).add(BigInt(diffNs[0]).times(1e9).plus(diffNs[1])).toString();
+}
+
+function microseconds() {
+  return BigInt(nanoseconds()).divide(1e3).toString();
+}
+
+module.exports = nanoseconds;
+module.exports.microseconds = module.exports.micro = microseconds;