gaearon

Note:

When this guide is more complete, the plan is to move it into Prepack documentation.
For now I put it out as a gist to gather initial feedback.

A Gentle Introduction to Prepack (Part 1)

If you're building JavaScript apps, you might already be familiar with some tools that compile JavaScript code to equivalent JavaScript code:

• Babel lets you use newer JavaScript language features, and outputs equivalent code that targets older JavaScript engines.

joeytwiddle

Do not use forEach with async-await

TLDR: Use for...of instead of forEach() in asynchronous code.

For legacy browsers, use for...i or [].reduce()

To execute the promises in parallel, use Promise.all([].map(...))

The problem

g1eny0ung

JavaScript 2 hrs 27 mins  ██████████▏░░░░░░░░░░  48.8%
Clojure    1 hr 36 mins   ██████▋░░░░░░░░░░░░░░  31.9%
HTML       15 mins        █░░░░░░░░░░░░░░░░░░░░   5.1%
CSS        12 mins        ▊░░░░░░░░░░░░░░░░░░░░   4.1%
Bash       11 mins        ▊░░░░░░░░░░░░░░░░░░░░   3.7%