Tomáš Kulich - Dart (WebElement #27)

http://webelement.sk/event/webelement-27/

Transcript

1. SPA & Dart
3. Single Page Applications Server Client • everything else • get data to/from DB • serialize to/from JSON • validate • sending email, logging, etc
4. Single Page Applications Server Client • full MVC architecture (models, templates) • routing • validate? • get data to/from DB • serialize to/from JSON • validate • sending email, logging, etc
5. Single Page Applications • looks nice • better UX • fast
6. Single Page Applications • looks nice • better UX • fast • faster to craft • more features, less buggs • keeps you (your hackers) sane
7. Single Page Applications • looks nice • better UX • fast • faster to craft • more features, less buggs • keeps you (your hackers) sane In the ideal world:
8. JavaScript Row 1 Row 2 Row 3 Row 4 0 2 4 6 8 10 12 Column 1 Column 2 Column 3
9. JavaScript: the good parts see: JavaScript: the good parts
10. let's hate • inability to create modules (Bower?) and load them (RequireJS?) • no sound typesystem (is it a problem?) • no proper IDE • weak 'SDK' • callbacks and raceconds flying all around • idiotic error messages (TypeError: Cannot read property 'length' of undefined) • LOT of stupid decisions (broken ==, undefined, broken this, global variables as a default, evil semicolon) • Gary Bernhardt's WAT • slow
11. Conclusion • ammount of code written in JavaScript is enormous • JavaScript sucks
12. Conclusion • ammount of code written in JavaScript is enormous • JavaScript sucks • are we NUTS?
13. Let's make things right! • CoffeeScript (? on JavaScript) • Closure Tools (JavaScript on JavaScript, LOL) • GWT (Java on JavaScript) • Clojure (Lisp on JavaScript)
14. What is this Dart, anyway • Java, C ­ like syntax • package manager • SDK • IDE • comes with own VM • blazingly fast
15. What is this Dart, anyway • single threaded, event based • functions are first class objects (sadly, classes are not) • lambdas, closures done right • sooo lazy • optional typed • simple inheritance, mixins • optional arguments, operator overloading, comfort with big nums, Ruby­like constructor args, double­dot operator
16. useful builtins • Streams • Futures • Isolates
17. What about DOM • fine DOM manipulation built in • Angular for Dart • Polymer • React?
18. JS interop • Basically, it works
19. Should I use Dart in my project?
20. Should I use Dart in my project? • Depends
21. tomas.kulich@vacuumlabs.com