Refactor to worker version

src/utils/getId.js

@@ -0,0 +1,3 @@
+module.exports = (prefix, cnt) => (
+  `${prefix}-${cnt}-${Math.random().toString(16).slice(3, 8)}`
+);

src/utils/log.js

@@ -0,0 +1,9 @@
+let logging = false;
+
+exports.logging = logging;
+
+exports.setLogging = (_logging) => {
+  logging = _logging;
+};
+
+exports.log = (...args) => (logging ? console.log.apply(this, args) : null);