Upgrade to Pro — share decks privately, control downloads, hide ads and more …

React in a worker, worker, worker...

stefan judis
May 23, 2019
Technology
2
490

React in a worker, worker, worker...

stefan judis

May 23, 2019
Tweet

More Decks by stefan judis

See All by stefan judis
Back to boring (part 2)
stefanjudis
0
250
Playwright can do this?
stefanjudis
0
120
Things you should know about Frontend Development in 2022
stefanjudis
0
470
Throw yourself out there for fun and profit
stefanjudis
0
79
Back to Boring
stefanjudis
1
390
Wanna scale up? Make sure your CMS is ready for it!
stefanjudis
0
220
Did we(b development) lose the right direction?
stefanjudis
6
2.1k
Regular expressions – my secret love
stefanjudis
1
980
Write a Function
stefanjudis
0
510

Other Decks in Technology

See All in Technology
アジャイルでの品質の進化 Agile in Motion vol.1/20241118 Hiroyuki Sato
shift_evolve
0
150
RubyのWebアプリケーションを50倍速くする方法 / How to Make a Ruby Web Application 50 Times Faster
hogelog
3
940
サイバーセキュリティと認知バイアス：対策の隙を埋める心理学的アプローチ
shumei_ito
0
390
Taming you application's environments
salaboy
0
190
Amazon Personalizeの レコメンドシステム構築、実際何するの？ 〜大体10分で具体的なイメージをつかむ〜
kniino
1
100
Lexical Analysis
shigashiyama
1
150
生成AIが変えるデータ分析の全体像
ishikawa_satoru
0
140
オープンソースAIとは何か？ --「オープンソースAIの定義 v1.0」詳細解説
shujisado
9
970
信頼性に挑む中で拡張できる・得られる１人のスキルセットとは？
ken5scal
2
530
B2B SaaSから見た最近のC#/.NETの進化
sansantech
PRO
0
830
複雑なState管理からの脱却
sansantech
PRO
1
150
開発生産性を上げながらビジネスも30倍成長させてきたチームの姿
kamina_zzz
2
1.7k

Featured

See All Featured
Performance Is Good for Brains [We Love Speed 2024]
tammyeverts
6
410
How To Stay Up To Date on Web Technology
chriscoyier
788
250k
Side Projects
sachag
452
42k
CoffeeScript is Beautiful & I Never Want to Write Plain JavaScript Again
sstephenson
159
15k
The Psychology of Web Performance [Beyond Tellerrand 2023]
tammyeverts
44
2.2k
Practical Orchestrator
shlominoach
186
10k
Practical Tips for Bootstrapping Information Extraction Pipelines
honnibal
PRO
10
720
Mobile First: as difficult as doing things right
swwweet
222
8.9k
Site-Speed That Sticks
csswizardry
0
25
Principles of Awesome APIs and How to Build Them.
keavy
126
17k
The Success of Rails: Ensuring Growth for the Next 100 Years
eileencodes
44
6.8k
A Tale of Four Properties
chriscoyier
156
23k

Transcript

  1. @stefanjudis React in a worker, worker, worker, worker...

  2. @stefanjudis www.stefanjudis.com Heyo, I'm Stefan!

  3. Let's talk about CRA (create-react-app)

  4. None

  5. A classical Single Page App

  6. There are problems with typical single page apps...

  7. <!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8" /> <link rel="shortcut

    icon" href="/favicon.ico" /> <meta name="viewport" content="[ ...]" /> <meta name="theme-color" content="#000000" /> <link rel="manifest" href="/manifest.json" /> <title>React App </title> </head> <body> <noscript>No JavaScriptzzzz ... </noscript> <div id="root"> </div> <script src="/static/js/bundle.js"> </script> <script src="/static/js/0.chunk.js"> </script> <script src="/static/js/main.chunk.js"> </script> </body> </html>

  8. <!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8" /> <link rel="shortcut

    icon" href="/favicon.ico" /> <meta name="viewport" content="[ ...]" /> <meta name="theme-color" content="#000000" /> <link rel="manifest" href="/manifest.json" /> <title>React App </title> </head> <body> <noscript>No JavaScriptzzzz ... </noscript> <div id="root"> </div> <script src="/static/js/bundle.js"> </script> <script src="/static/js/0.chunk.js"> </script> <script src="/static/js/main.chunk.js"> </script> </body> </html>

  9. <!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8" /> <link rel="shortcut

    icon" href="/favicon.ico" /> <meta name="viewport" content="[ ...]" /> <meta name="theme-color" content="#000000" /> <link rel="manifest" href="/manifest.json" /> <title>React App </title> </head> <body> <noscript>No JavaScriptzzzz ... </noscript> <div id="root"> </div> <script src="/static/js/bundle.js"> </script> <script src="/static/js/0.chunk.js"> </script> <script src="/static/js/main.chunk.js"> </script> </body> </html>

  10. <!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8" /> <link rel="shortcut

    icon" href="/favicon.ico" /> <meta name="viewport" content="[ ...]" /> <meta name="theme-color" content="#000000" /> <link rel="manifest" href="/manifest.json" /> <title>React App </title> </head> <body> <noscript>No JavaScriptzzzz ... </noscript> <div id="root"> </div> <script src="/static/js/bundle.js"> </script> <script src="/static/js/0.chunk.js"> </script> <script src="/static/js/main.chunk.js"> </script> </body> </html>

  11. <!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8" /> <link rel="shortcut

    icon" href="/favicon.ico" /> <meta name="viewport" content="[ ...]" /> <meta name="theme-color" content="#000000" /> <link rel="manifest" href="/manifest.json" /> <title>React App </title> </head> <body> <noscript>No JavaScriptzzzz ... </noscript> <div id="root"> </div> <script src="/static/js/bundle.js"> </script> <script src="/static/js/0.chunk.js"> </script> <script src="/static/js/main.chunk.js"> </script> </body> </html>

  12. <!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8" /> <link rel="shortcut

    icon" href="/favicon.ico" /> <meta name="viewport" content="[ ...]" /> <meta name="theme-color" content="#000000" /> <link rel="manifest" href="/manifest.json" /> <title>React App </title> </head> <body> <noscript>No JavaScriptzzzz ... </noscript> <div id="root"> </div> <script src="/static/js/bundle.js"> </script> <script src="/static/js/0.chunk.js"> </script> <script src="/static/js/main.chunk.js"> </script> </body> </html> No JavaScript zzzz ...

  13. 13 Million requests for JavaScript will time out. Ian Feather

    (Buzzfeed)

  14. "We don't have any non- JavaScript users". No, all your

    users are non-JS while they're downloading your JS. Jake Archibald (Google)

  15. <!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8" /> <link rel="shortcut

    icon" href="/favicon.ico" /> <meta name="viewport" content="[ ...]" /> <meta name="theme-color" content="#000000" /> <link rel="manifest" href="/manifest.json" /> <title>React App </title> </head> <body> <noscript>No JavaScriptzzzz ... </noscript> <div id="root"> </div> <script src="/static/js/bundle.js"> </script> <script src="/static/js/0.chunk.js"> </script> <script src="/static/js/main.chunk.js"> </script> </body> </html>

  16. <!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8" /> <link rel="shortcut

    icon" href="/favicon.ico" /> <meta name="viewport" content="[ ...]" /> <meta name="theme-color" content="#000000" /> <link rel="manifest" href="/manifest.json" /> <title>React App </title> </head> <body> <noscript>No JavaScriptzzzz ... </noscript> <div id="root"> </div> <script src="/static/js/bundle.js"> </script> <script src="/static/js/0.chunk.js"> </script> <script src="/static/js/main.chunk.js"> </script> </body> </html> The spinner of death

  17. How can we do better?

  18. proxx.app

  19. nextjs.org www.gatsbyjs.org

  20. nextjs.org www.gatsbyjs.org Run the same React code on the server

    and client
  21. None
  22. None
  23. None
  24. None

  25. bundle.js

  26. bundle.js

  27. bundle.js Interactive

  28. Better performance!

  29. Better performance! Faster indexed by Google!

  30. Better performance! Faster indexed by Google! It's the same code

    front to back!

  31. But is it really the same code?

  32. module.exports = global.fetch = global.fetch || (typeof process == 'undefined'

    ? require('unfetch').default || require('unfetch') : function(url, opts) { return require('node-fetch')(url.replace(/^\/\ //g, 'https: //'), opts); });

  33. github.com/developit/unfetch/tree/master/packages/isomorphic-unfetch

  34. What if we serve HTML from an environment with the

    same methods?

  35. The Service Worker worker.js

  36. if ('serviceWorker' in navigator) { navigator.serviceWorker .register('/worker.js') .then(function(registration) {}, function(err)

    {}); }

  37. self.addEventListener('fetch', function(event) { event.respondWith( caches.match(event.request) .then(function(response) { // Cache hit

    - return response if (response) { return response; } return fetch(event.request); } ) ); });

  38. Let's try an experiment?

  39. Crowd Coding...

  40. What did just happen?

  41. None

  42. localhost:8080

  43. localhost:8080

  44. localhost:8080 worker.js

  45. localhost:8080 worker.js

  46. localhost:8080 worker.js Interactive

  47. localhost:8080 worker.js Interactive

  48. localhost:8080 worker.js Interactive

  49. localhost:8080 worker.js Interactive

  50. localhost:8080 worker.js Interactive

  51. localhost:8080 worker.js Interactive

  52. worker.js

  53. worker.js

  54. worker.js

  55. worker.js

  56. Could universal workers be a thing?

  57. Let's create a cloud worker!

  58. www.cloudflare.com/products/cloudflare-workers/

  59. developers.cloudflare.com/workers/reference/

  60. developers.cloudflare.com/workers/reference/

  61. developers.cloudflare.com/workers/reference/

  62. https://dash.cloudflare.com/9dcd7c...

  63. worker.js

  64. worker.js

  65. worker.js

  66. worker.js

  67. worker.js

  68. worker.js

  69. worker.js

  70. worker.js

  71. worker.js worker.js

  72. worker.js worker.js

  73. worker.js worker.js

  74. worker.js

  75. worker.js

  76. worker.js

  77. worker.js

  78. worker.js

  79. Is this the solution to universal JavaScript?

  80. Service worker development is still very tedious

  81. Cache handling is tough

  82. It's worth investigating!

  83. Servers with browser APIs will change how we share code!

  84. react-in-a-worker.netlify.com

  85. www.react-in-a-worker.rocks

  86. github.com/stefanjudis/react-in-a-worker

  87. One last thing...

  88. ... let's serve HTML instead of spinners.

  89. @stefanjudis [email protected] www.stefanjudis.com Thanks.