The State of Angular

Transcript

1. @yourtwitter The State of Angular Minko Gechev twitter.com/mgechev
 github.com/mgechev
 blog.mgechev.com
2. @mgechev 100
3. @mgechev
4. @mgechev 2,000+ Projects at Google
5. @yourtwitter https://unsplash.com/photos/rafblRbne3o
6. @mgechev v10 RC is out
7. @mgechev
8. Predictability vs Flexibility trade-offs Predictable Flexible
9. Static vs Dynamic trade-offs Static Dynamic
10. Static vs Dynamic trade-offs Static Dynamic Rust Haskell Idris C# / Java Go JavaScript TypeScript Ruby
11. Static vs Dynamic trade-offs Static Dynamic
12. • Compile-time optimizations • Excellent IDE/text editor support • Strict type checking • Source code visualization • Lazy component loading • Dynamic UI assembling • Fast (no) builds Static Dynamic
13. twitter.com/mgechev
14. twitter.com/mgechev 15% of bugs detectable at build time
15. twitter.com/mgechev
16. twitter.com/mgechev
17. • Compile-time optimizations • Excellent IDE/text editor support • Strict type checking • Source code visualization • Lazy component loading • Dynamic UI assembling • Fast (no) builds Static Dynamic
18. • Compile-time optimizations • Excellent IDE/text editor support • Strict type checking • Source code visualization • Lazy component loading • Dynamic UI assembling • Fast (no) builds Static Dynamic 2.0 4.0
19. • Compile-time optimizations • Excellent IDE/text editor support • Strict type checking • Source code visualization • Lazy component loading • Dynamic UI assembling • Fast (no) builds Static Dynamic 4.0 9.0
20. • Compile-time optimizations • Excellent IDE/text editor support • Strict type checking • Source code visualization • Lazy component loading • Dynamic UI assembling • Fast (no) builds Static Dynamic 9.0
21. @mgechev What’s in v10?
22. @mgechev v10 focus • Opt-in strict flag • Increase visibility
23. @mgechev v10 focus • Opt-in strict flag • Increase visibility
24. @mgechev Strict Mode " Strict TypeScript type checking strictTemplates in Angular Opt-in ES5 support Opt-in CommonJS support Reduced side-effects
25. @mgechev
26. twitter.com/mgechev >15% of bugs detectable at build time
27. @mgechev Opt-in CommonJS
28. twitter.com/mgechev https://web.dev/commonjs-larger-bundles/
29. @mgechev !// index.js import { add } from './utils'; console.log(add(1, 2)); !// utils.js module.exports.add = (a, b) !=> a + b, module.exports.subtract = (a, b) !=> a - b, module.exports.multiply = (a, b) !=> a * b, module.exports.divide = (a, b) !=> a / b, const { maxBy } = require('lodash-es'); module.exports.max = arr !=> maxBy(arr)
30. @mgechev !// output.js !!... (() !=> { "use strict"; !/* harmony import !*/ var _utils!__WEBPACK_IMPORTED_MODULE_0!__ = !__webpack_require!__(288); const subtract = (a, b) !=> a - b; console.log((0,_utils!__WEBPACK_IMPORTED_MODULE_0!__!/* .add !*/ .IH)(1, 2)); })();
31. @mgechev !// utils.js export const add = (a, b) !=> a + b; export const subtract = (a, b) !=> a - b; export const multiply = (a, b) !=> a * b; export const divide = (a, b) !=> a / b; import { maxBy } from 'lodash-es'; export const max = arr !=> maxBy(arr); !// index.js import { add } from './utils'; console.log(add(1, 2));
32. @mgechev !// output.js (()!=>{"use strict";console.log(1+2)})();
33. @mgechev !// utils.js module.exports.add = (a, b) !=> a + b, module.exports.subtract = (a, b) !=> a - b, module.exports.multiply = (a, b) !=> a * b, module.exports.divide = (a, b) !=> a / b, const { maxBy } = require('lodash-es'); module.exports.max = arr !=> maxBy(arr)
34. @mgechev !// utils.js export const add = (a, b) !=> a + b; export const subtract = (a, b) !=> a - b; export const multiply = (a, b) !=> a * b; export const divide = (a, b) !=> a / b; import { maxBy } from 'lodash-es'; export const max = arr !=> maxBy(arr);
35. @mgechev !// output.js /******/ (() !=> { !// webpackBootstrap /******/ "use strict"; !// CONCATENATED MODULE: ./utils.js!** const add = (a, b) !=> a + b; const subtract = (a, b) !=> a - b; !// CONCATENATED MODULE: ./index.js!** const index_subtract = (a, b) !=> a - b;!** console.log(add(1, 2));!** /******/ })();
36. @mgechev !// example.js module.exports[localStorage.getItem(Math.random())] = () !=> { … };
37. @yourtwitter Examples Automated updates Optimized i18n pipeline Angular Universal Compile-time optimizations Efficient prefetching
38. @mgechev Zero-overhead i18n
39. Angular compile-time i18n (Ivy) src lib Link & optimize l10n repeat ngc
40. twitter.com/mgechev @mgechev
41. @mgechev Thank you! twitter.com/mgechev
 github.com/mgechev
 blog.mgechev.com Survey: mgv.io/talk