The future of JavaScript

Transcript

1. The future of JS it's not about what it is, but what it could be
2. who am I_ {twitter, youtube, linkedin…}.lsantos.dev software engineer_ hello@lsantos.dev
3. agenda_ - How JS actually evolves - What's coming next - 👍 - stage 4 proposals - 🤩 - stage 3 proposals - 🤔 - stage 2 proposals - 👀 - stage 1 proposals - Final remarks and refs
4. How JS evolves?
5. JS is actually not JS
6. What is JS
7. What is JS
8. What is JS
9. What is JS this is JavaScript
10. What is JS this is JavaScript
11. What is JS this is JavaScript
12. What is JS this is JavaScript these are the caretakers
13. TC39 is organized in stages
14. there are 5 stages (or 4)
15. summary - Stage 0 - Draft - Stage 1 - Better draft - Stage 2 - Definition - Stage 3 - Refinements - Stage 4 - Shipping 🚀
16. warning
17. Stage 4 things that are shipped!
18. RegEx unicode sets mode
19. aka: the v flag
20. RegEx v flag
21. RegEx v flag
22. RegEx v flag
23. RegEx v flag https://lsantos.dev/v8-regexp-v
24. RegEx v flag https://lsantos.dev/mdn-regex-set
25. Change array by copy
26. change array by copy
27. change array by copy
28. change array by copy
29. change array by copy https://lsantos.dev/mdn-array-copy
30. Stage 3 things that are done
31. temporal
32. temporal
33. temporal
34. temporal https://blog.lsantos.dev/temporal-api/
35. temporal https://lsantos.dev/tc39-temporal
36. what's the status?
37. testing temporal
38. explicit resource management
39. aka: using
40. using
41. using
42. using
43. using constructor called
44. using constructor called conn[Symbol.dispose]() called as scope ends
45. async using
46. async using https://lsantos.dev/tc39-using
47. JS native decorators
48. JS native decorators
49. JS native decorators
50. JS native decorators
51. JS native decorators
52. JS native decorators: class methods
53. JS native decorators: class assessors
54. JS native decorators: class fields
55. JS native decorators: classes
56. we cannot decorate parameters https://lsantos.dev/tc39-parameter-decorators
57. more resources https://lsantos.dev/tc39-decorators
58. more resources https://lsantos.dev/tc39-decorators https://blog.lsantos.dev/javascript-decorators/
59. Other proposals
60. other proposals - New methods to Set https://lsantos.dev/tc39-set-methods
61. other proposals - (async)Iterator helpers https://lsantos.dev/tc39-iterator-helpers
62. Stage 2 things that are getting there
63. throw expressions
64. throw expressions
65. throw expressions
66. throw expressions https://lsantos.dev/tc39-throw
67. immutable structures
68. records: immutable objects
69. records: immutable objects
70. records: immutable objects
71. tuples: immutable arrays
72. tuples: immutable arrays https://lsantos.dev/tc39-records
73. JSON.parseImmutable
74. pipeline operator
75. pipeline operator
76. pipeline operator
77. pipeline operator https://lsantos.dev/tc39-pipeline-op
78. iterator ranges
79. Iterator.range
80. Other proposals
81. other proposals - Array grouping https://github.com/tc39/proposal-array-grouping
82. other proposals - parseImmutable https://github.com/tc39/proposal-json-parseimmutable
83. other proposals - map.upsert https://github.com/tc39/proposal-upsert
84. Stage 1 things
85. types in JS
86. types in JS https://lsantos.dev/tc39-js-types
87. do expressions
88. do expressions https://lsantos.dev/tc39-do-expr
89. pattern matching
90. pattern matching https://lsantos.dev/tc39-pattern-matching
91. Other proposals
92. other proposals - Function memoization https://github.com/tc39/proposal-function-memo - Reversible split https://github.com/tc39/proposal-reversible-string-split - slice notation https://github.com/tc39/proposal-slice-notation - operator overloading https://github.com/tc39/proposal-operator-overloading - object pick/omit https://github.com/tc39/proposal-object-pick-or-omit - parameter decorator https://github.com/tc39/proposal-class-method-parameter-decorators - structs and mutexes https://github.com/tc39/proposal-structs - Intl.MessageFormat https://github.com/tc39/proposal-intl-messageformat
93. refs_ - https://lsantos.dev/tc-39-type-annotations - https://lsantos.dev/tc39-process - https://lsantos.dev/tc39-stage-1 - https://lsantos.dev/tc39-stage-2 - https://lsantos.dev/tc39-stage-3 - https://lsantos.dev/tc39-stage-4 - https://lsantos.dev/ecma-262
94. This talk: https://lsantos.dev/whats-next-for-js
95. thank you_ lsantos.dev