horner/promises-in-node-talk

Promise Playground

https://github.com/horner/promises-in-node-talk

• Watch The Async Await Episode I Promised
• Then watch Jake Archibald: In The Loop - JSConf.Asia
• Then re-watch The Async Await Episode I Promised

When people first tell you about promises, the examples are trival and hide the dangers:

• Typical example of Promise
• Another example of Promise

So here is this simple example in code.

• Simple Promise Example in Bulk

• Bulk Complex Promise Example

• Bulk Async Await Example

• What's the solution

https://stackoverflow.com/questions/18119387/iterating-over-a-mongodb-cursor-serially-waiting-for-callbacks-before-moving-to

Standard Node:

• https://nodejs.org/api/async_hooks.html#async_hooks_promise_execution_tracking

Other Solutions

• https://stackoverflow.com/questions/40639432/what-is-the-best-way-to-limit-concurrency-when-using-es6s-promise-all
• https://medium.com/velotio-perspectives/understanding-node-js-async-flows-parallel-serial-waterfall-and-queues-6f9c4badbc17
• https://levelup.gitconnected.com/understand-async-await-in-typescript-in-only-a-few-minutes-dedb5a18a2c