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A Evolução do JavaScript Assíncrono

A Evolução do JavaScript Assíncrono

Ruan Martinelli

December 02, 2017
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  1. A EVOLUÇÃO DO.
    JAVASCRIPT ASSÍNCRONO.
    RUAN MARTINELLI .
    ruanmartinelli.com .
    @ruanmartinelli .

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  3. “ANY APPLICATION THAT CAN BE WRITTEN
    IN JAVASCRIPT, WILL EVENTUALLY BE
    WRITTEN IN JAVASCRIPT.”
    -JEFF ATWOOD, STACK OVERFLOW

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  4. # OF PULL REQUESTS
    octoverse.github.com

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  6. ECMAScript

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  10. 1
    2
    3
    4
    1
    2
    3

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  11. 1
    2
    3
    4
    1
    2
    3
    4 ✔
    1
    2
    3 ✔
    1
    2
    3

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  12. 1
    2
    3
    4
    1
    1
    2
    2
    3 ✔
    3
    4 ✔
    1
    2
    3

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  13. CALLBACK.

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  14. CALLBACK.

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  15. CALLBACK.

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  16. CALLBACK.

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  17. CALLBACK.

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  18. CALLBACK.

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  19. CALLBACK.

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  20. });
    });
    });
    });
    });
    });
    });
    });
    CALLBACK.

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  21. PROMISES.

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  25. getLivro()
    .then()
    .catch()

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  26. PROMISES.

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  27. PROMISES.

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  28. PROMISES.

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  29. PROMISES.

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  30. PROMISES.

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  31. PROMISES.

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  32. PROMISES.

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  34. ASYNC FUNCTIONS
    (async/await).

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  35. CALLBACK.

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  36. PROMISES.

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  37. ASYNC FUNCTIONS.

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  38. ASYNC FUNCTIONS.

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  39. ASYNC FUNCTIONS.

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  40. ASYNC FUNCTIONS.

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  41. - Sempre retornam uma Promise;
    ASYNC FUNCTIONS.

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  42. ??

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  43. // true

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  44. ASYNC FUNCTIONS.
    - Sempre retornam uma Promise;

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  45. ASYNC FUNCTIONS.
    - Sempre retornam uma Promise;
    - Permitem o uso do await;

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  47. - Sempre retornam uma Promise;
    - Permitem o uso do await;
    ASYNC FUNCTIONS.

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  48. - Sempre retornam uma Promise;
    - Permitem o uso do await;
    - Uso de constructs nativos;
    ASYNC FUNCTIONS.

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  51. - Sempre retornam uma Promise;
    - Permitem o uso do await;
    - Uso de constructs nativos;
    ASYNC FUNCTIONS.

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  52. - Sempre retornam uma Promise;
    - Permitem o uso do await;
    - Uso de constructs nativos;
    - Tratamento de erros com try/catch.
    ASYNC FUNCTIONS.

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  58. - Observables, RxJS;
    - Generators;
    - Promise.prototype.finally;
    - Bluebird;
    - Promise Constructor;
    - Loops em Async Functions.
    INDO ALÉM....

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