Le slide di Giovanni Laquidara presentate a Codemotion Roma 2014

1. ROME 11 April 2014 – G.Laquidara C.d’Angelis
require.js
Backbone
Backbone Marionette
jQuery

2. ROME 11 April 2014 – G.Laquidara C.d’Angelis
● Language
● Libraries
● Tools
● Compilation to Javascript

3. ROME 11 April 2014 – G.Laquidara C.d’Angelis
Dart is open source
● BSD-style license
● dart.googlecode.com
● GitHub mirror
● Contributing guide
● ECMA Standard (TC52)
● Production ready (1.3)

4. ROME 11 April 2014 – G.Laquidara C.d’Angelis
Compile to JavaScript, runs across the modern web

5. ROME 11 April 2014 – G.Laquidara C.d’Angelis
Run Dart on
the server with
the Dart VM

6. ROME 11 April 2014 – G.Laquidara C.d’Angelis
● New language, familiar syntax
● Rich libraries
● Consistent semantics

7. ROME 11 April 2014 – G.Laquidara C.d’Angelis
Missing getter?
"Coffee".missing // ??
Class 'String' has no instance getter 'missing'.
NoSuchMethodError : method not found: 'missing' Receiver:
"Coffee"
Arguments: []

8. ROME 11 April 2014 – G.Laquidara C.d’Angelis
String compared to number?
“2” > 1 // ??
Unhandled exception:
Class 'String' has no instance method '>'.
NoSuchMethodError : method not found: '>'
Receiver: "2"
Arguments: [1]

9. ROME 11 April 2014 – G.Laquidara C.d’Angelis

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15. ROME 11 April 2014 – G.Laquidara C.d’Angelis
Dart-to-JS Compiler &
Performance
dart2js's features:
● Minification & Source Maps
● Global type inference
● Tree-shaking
− Compile-time dead code elimination

16. ROME 11 April 2014 – G.Laquidara C.d’Angelis
main Library
baz foo bar boo
imports
calls
baz
main foo bar
Tree shaking
dart2js

17. ROME 11 April 2014 – G.Laquidara C.d’Angelis
(bigger is better)
https://www.dartlang.org/performance

18. ROME 11 April 2014 – G.Laquidara C.d’Angelis
Language, Libraries & Tools
● IDE: Dart Editor
● Package Manager: pub
● JS compiler: dart2js
● Library documentation generator: docgen
● Static analyzer: dartanalyzer
● Chromium with Dart VM: Dartium

19. ROME 11 April 2014 – G.Laquidara C.d’Angelis
Homepage: https://dartlang.org
API Reference: https://api.dartlang.org
Pub Packages: https://pub.dartlang.org
AngularDart: https://angulardart.org
Polymer.dart: https://dartlang.org/polymer-dart

20. ROME 11 April 2014 – G.Laquidara C.d’Angelis
Let’s CODE!

21. ROME 11 April 2014 – G.Laquidara C.d’Angelis
Claudio d’Angelis
+claudiodangelis
@daw___ (3 underscores!!1)
claudiodangelis
Live Demo!
http://codemotion.claudiodangelis.com
Giovanni Laquidara
+GiovanniLaquidara
@joaolaq
joaobiriba