Intro to TypeScript @ Oktober Web Fest

1. Oktober (WEB)fest
Lo sviluppo web come non l’avete mai visto:
nuove tecnologie e applicazioni nel mondo reale

2. #oktoberwebfest
@andreabalducci

3. #oktoberwebfest

4. #oktoberwebfest
TypeScript
Primo appuntamento o relazione occasionale con JavaScript?
Protetto è meglio! TypeScript: testato, sicuro, tipizzato.

5. #oktoberwebfest

6. #oktoberwebfest

7. t y p e
w a r s
t h e r a i s e o f t h e c o m p i l e r s

8. “Fear is the path
to the dark side.

9. #oktoberwebfest

10. s t a r r i n g

14. #oktoberwebfest

15. episode 1

16. a long time ago
in a galaxy far, far
away

17. …written in
10 days for
the
mythical…

18. NON PROFESSIONAL PROGRAMMER
NON PROFESSIONAL PROGRAMMER

20. nowadays

23. welcome to the
{undefined} side
==
NaN NaN

24. equality chart

30. #oktoberwebfest

31. episode 2

32. TypeScript is a typed
superset of
JavaScript that
compiles to plain
JavaScript

33. Types enable
TypeScript
developers to use
highly-productive
development tools
and practices

34. Types enable
TypeScript
developers to use
highly-productive
development tools
and practices

35. goal: make javascript
development more
productive and
enjoyable
…especially on large projects

36. static checking,
symbol-based navigation,
statement completion,
and code refactoring.

37. https://github.com/borisyankov/DefinitelyTyped

38. de mo
github.com/andreabalducci/ts-oktober-web-fest

40. class Jedi {
constructor(public name: string) {
}
useTheForce() {}
}

41. class SuperHero {
constructor(public name: string) {
}
useTheForce() {}
jump() {}
}

42. var hulk = new SuperHero('Hulk');
var yoda = new Jedi('Yoda');

43. yoda = hulk
hulk = yoda

44. yoda = hulk
hulk = yoda

45. TypeScript is a
structural
type system

46. #oktoberwebfest

47. episode 3

48. features from the future
today!

49. async / await
destructuring
rest parameters
classes
string interpolation
…

50. decorators
proposed standard for
ECMAScript 7, to annotate
and modify classes and
properties at design time.
http://blog.wolksoftware.com/decorators-reflection-javascript-typescript

51. de mo

52. #oktoberwebfest

53. episode 3
episode 4

54. #oktoberwebfest

55. #oktoberwebfest

56. GRAZIE!
www.dotnetumbria.org - @DotNetUmbria – facebook.com/DNU2.0

57. “ A l w a y s p a s s o n
w h a t y o u h a v e
learned.”