- clean logs
- convert ruby hash to json
- print pretty json
- https://www.codementor.io/codeforgeek/build-website-from-scratch-using-expressjs-and-bootstrap-du107sby7
- https://gist.github.com/aerrity/fd393e5511106420fba0c9602cc05d35
- https://ourcodeworld.com/articles/read/112/how-to-pretty-print-beautify-a-json-string
- https://github.com/marcelofpfelix/rubyhash2json
Progress bar:
- https://kimmobrunfeldt.github.io/progressbar.js/
- https://www.geeksforgeeks.org/creating-progress-bar-using-javascript/
- https://stackoverflow.com/questions/18981909/how-to-show-a-running-progress-bar-while-page-is-loading
- https://loading.io/progress/
- https://www.w3schools.com/howto/tryit.asp?filename=tryhow_js_progressbar_label_js
- https://stackoverflow.com/questions/30987218/update-progressbar-in-each-loop
an asynchronous loop that uses setTimeout()
- https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Using_promises
- using https://developer.mozilla.org/en-US/docs/Web/API/window/requestAnimationFrame
- https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API/Using_web_workers
Worker