Upgrade to Pro — share decks privately, control downloads, hide ads and more …

Rethink Async

Rethink Async

Rethink Async in JavaScript

hemanth.hm

October 31, 2018
Tweet

More Decks by hemanth.hm

Other Decks in Programming

Transcript

  1. View Slide

  2. View Slide

  3. View Slide

  4. View Slide

  5. Okies....but it blocks, duh!

    View Slide

  6. View Slide

  7. OK, not bad...now process that file.

    View Slide

  8. View Slide

  9. View Slide

  10. View Slide

  11. View Slide

  12. View Slide

  13. View Slide

  14. View Slide

  15. View Slide

  16. View Slide

  17. Streams are broken,
    callbacks are not
    great to work with,
    errors are vague,
    tooling is not great,
    community
    convention is sort
    of there..

    View Slide

  18. View Slide

  19. ! async-await !

    View Slide

  20. ASYNC
    Whatever is retunred shall be a
    Promise.
    We can use await operator in it!

    View Slide

  21. AWAIT
    await an oparator that suspends
    execution of the scope.
    until the awaited promise is resolved or
    rejects
    rejects results in a throw

    View Slide

  22. View Slide

  23. View Slide

  24. View Slide

  25. View Slide

  26. View Slide

  27. View Slide

  28. View Slide

  29. View Slide

  30. View Slide

  31. View Slide

  32. View Slide

  33. View Slide

  34. View Slide

  35. View Slide

  36. View Slide

  37. View Slide

  38. View Slide

  39. View Slide

  40. View Slide

  41. View Slide

  42. View Slide

  43. View Slide

  44. View Slide

  45. View Slide

  46. View Slide

  47. View Slide

  48. h3manth.com
    @gnumanth
    !

    View Slide