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

AYB14 - offline first <3

Avatar for Ola Gasidlo Ola Gasidlo
October 17, 2014
Programming
2
1.2k

AYB14 - offline first <3

not including notes

Avatar for Ola Gasidlo

Ola Gasidlo

October 17, 2014
Tweet

More Decks by Ola Gasidlo

See All by Ola Gasidlo
AYB14 - offline first <3
Avatar for Ola Gasidlo zoepage
0
140
Say hello to offline first!
Avatar for Ola Gasidlo zoepage
4
2.3k
Coding the dream
Avatar for Ola Gasidlo zoepage
1
1.1k
offline first
Avatar for Ola Gasidlo zoepage
1
110

Other Decks in Programming

See All in Programming
Oracle Database Technology Night 92 Database Connection control FAN-AC
Avatar for oracle4engineer oracle4engineer
PRO
1
380
旅行プランAIエージェント開発の裏側
Avatar for Ippo Matsui / 令和トラベル ippo012
2
820
Zendeskのチケットを Amazon Bedrockで 解析した
Avatar for ryokosuge ryokosuge
3
260
Go言語での実装を通して学ぶLLMファインチューニングの仕組み / fukuokago22-llm-peft
Avatar for monochromegane monochromegane
0
110
Namespace and Its Future
Avatar for Satoshi Tagomori tagomoris
6
690
MCPで実現するAIエージェント駆動のNext.jsアプリデバッグ手法
Avatar for NakamuraTakumi nyatinte
7
1k
Flutter with Dart MCP: All You Need - 박제창 2025 I/O Extended Busan
Avatar for JaiChangPark itsmedreamwalker
0
120
AWS発のAIエディタKiroを使ってみた
Avatar for 入井 啓太 iriikeita
1
150
Swift Updates - Learn Languages 2025
Avatar for Yuta Koshizawa koher
2
410
機能追加とリーダー業務の類似性
Avatar for Rinchoku rinchoku
2
770
個人軟體時代
Avatar for Ethan Huang ethanhuang13
0
300
AI時代のドメイン駆動設計-DDD実践におけるAI活用のあり方 / ddd-in-ai-era
Avatar for MinoDriven minodriven
25
9.7k

Featured

See All Featured
Balancing Empowerment & Direction
Avatar for Lara Hogan lara
3
610
Making the Leap to Tech Lead
Avatar for Ryan Cromwell cromwellryan
134
9.5k
Art, The Web, and Tiny UX
Avatar for Lynn Fisher lynnandtonic
302
21k
How to Ace a Technical Interview
Avatar for Jacob Kaplan-Moss jacobian
279
23k
Typedesign – Prime Four
Avatar for Hannes Fritz hannesfritz
42
2.8k
Learning to Love Humans: Emotional Interface Design
Avatar for Aarron Walter aarron
273
40k
Code Reviewing Like a Champion
Avatar for maltzj maltzj
525
40k
Agile that works and the tools we love
Avatar for Rasmus Luckow-Nielsen rasmusluckow
330
21k
Reflections from 52 weeks, 52 projects
Avatar for Jefferson Lam jeffersonlam
351
21k
Refactoring Trust on Your Teams (GOTO; Chicago 2020)
Avatar for Rebecca Miller-Webster rmw
34
3.1k
Measuring & Analyzing Core Web Vitals
Avatar for Philip Tellis bluesmoon
9
580
StorybookのUI Testing Handbookを読んだ
Avatar for Shingo Yamazaki zakiyama
30
6.1k

Transcript

  1. ! Say Hello To Offline First How to build applications

    for the real world we <3 AYB

  2. Ola Gasidlo - Javascript for +10 years, full stack -

    Core Member of Hood.ie - Organizer of OpenTechSchool Dortmund ! twitter@misprintedtype github@zoepage

  3. Agenda! 1. What & why? 2. Problems 3. New approach

    4. Implementation @misprintedtype

  4. What & why? @misprintedtype

  5. The internet turned 25 this year! @misprintedtype

  6. We grew up. @misprintedtype

  7. @misprintedtype

  8. amount of mobile-only web users is out of reach @misprintedtype

  9. Tell me... @misprintedtype

  10. @misprintedtype

  11. None

  12. “WE CAN’T KEEP BUILDING APPS WITH THE DESKTOP MINDSET OF

    PERMANENT, FAST CONNECTIVITY, WHERE A TEMPORARY DISCONNECTION OR SLOW SERVICE IS REGARDED AS A PROBLEM AND COMMUNICATED AS AN ERROR.” @misprintedtype
  13. None

  14. Problems @misprintedtype

  15. @misprintedtype

  16. @misprintedtype

  17. @misprintedtype

  18. offline > error handling @misprintedtype

  19. inform user @misprintedtype

  20. @misprintedtype

  21. build trust @misprintedtype

  22. http://branch.com/b/redesigning-the-save-symbol-let-s-do-this

  23. http://branch.com/b/redesigning-the-save-symbol-let-s-do-this

  24. organise data @misprintedtype

  25. @misprintedtype

  26. decide @misprintedtype

  27. None
  28. None

  29. @misprintedtype

  30. @misprintedtype

  31. @misprintedtype

  32. @misprintedtype

  33. @misprintedtype

  34. None
  35. None
  36. None

  37. New Approaches @misprintedtype

  38. ! Rethink! (but how?) @misprintedtype

  39. http://hood.ie

  40. None
  41. None
  42. None
  43. None
  44. None
  45. None
  46. None
  47. None

  48. Implementation! @misprintedtype

  49. files data

  50. files data

  51. Manifest @misprintedtype

  52. Manifest ++ offline app usage ++ fast loading ++ full

    experience for users @misprintedtype

  53. Manifest <html manifest="example.appcache">
 ...
 </html>! ! ! ! IE8+ /

    FF 3.5+ / Chrome 4.0+ / Safari 4.0+ / Opera 10.5+ / iPhone 2.0+ / Android 2.0+ @misprintedtype

  54. Manifest AddType text/cache-manifest .appcache ! @misprintedtype

  55. Manifest CACHE MANIFEST # 2013-11-13:v3 ! CACHE index.html ! NETWORK:

    * 
 FALLBACK: /online.html /offline.html ! @misprintedtype

  56. App Cache chrome://appcache-internals/ ! @misprintedtype

  57. App Cache is a douchebag! ! http://alistapart.com/article/application-cache-is-a-douchebag

  58. App Manifest ! 1. Files always come from the cache

    (also if you are online!) @misprintedtype

  59. App Manifest ! 2. App Cache only updates if manifest

    changed @misprintedtype

  60. App Manifest ! 3. App Cache is an additional cache

    @misprintedtype

  61. App Manifest ! 4. Never change the manifest URL @misprintedtype

  62. App Manifest ! 5. Non-cached resources will not load @misprintedtype

  63. ! App Cache nanny ! ! https://www.npmjs.org/package/appcache-nanny @misprintedtype

  64. Service Worker ! - Additional cache - Deals with all

    requests - offline first, push notifications, background sync, performance @misprintedtype

  65. Service Worker ! ! ! https://github.com/slightlyoff/ServiceWorker https://jakearchibald.github.io/isserviceworkerready/ ! https://www.youtube.com/watch?v=SmZ9XcTpMS4&list=PL37ZVnwpeshGPw2RfUGNQbPsU_WGpi05J @misprintedtype

  66. files data

  67. files data

  68. ! Do not harm humans!! (first law of robotics) @misprintedtype

  69. ! Do not lose data!! (first law of offline first)

    @misprintedtype

  70. ! ! ! ! PouchDB + CouchDB = <3 !

    @misprintedtype
  71. None
  72. None

  73. CouchDB ! @misprintedtype

  74. @misprintedtype Ruth’s data
 (share with John) John’s data Ruth’s partial

    data (replicated)

  75. PouchDB ! @misprintedtype

  76. PouchDB ! @misprintedtype

  77. PouchDB ! browser storage limitation confirm Firefox IndexedDB unlimited y

    Chrome / Opera / Android 4.4+ IndexedDB % of storage y IE 10+ SQLite 250MB n Mobile Safari WebSQL 50MB n Sarafi WebSQL 5MB -> 500MB y Android 4.3 and lower IndexedDB 200MB n
  78. None

  79. ! ! hoodie <3 you! @misprintedtype / @hoodiehq! ! !