Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
RxJSで時空を制した話
Search
Jun Tomioka
July 14, 2016
Programming
3
810
RxJSで時空を制した話
RxJSで時空を制した話@M3techmeetup
http://m3-engineer.connpass.com/event/33802/
Jun Tomioka
July 14, 2016
Tweet
Share
More Decks by Jun Tomioka
See All by Jun Tomioka
Dotty で軽量な DI ライブラリをかいてみた
jooohn
1
330
ソフトウェアエンジニアとしてモナドを完全に理解する / make-perfect-sense-of-monad
jooohn
14
7.7k
ScalaのコンパイラにFizzBuzzを解いてもらう(Dottyもあるよ)
jooohn
1
1k
Write stack safe non-tailrec recursive functions
jooohn
4
930
Introduction to Clean Architecture
jooohn
1
550
人類には早すぎる、謎の計算ロジックに立ち向かう / Strugle with the most complicated logic ever
jooohn
1
1.7k
Work at M3 USA
jooohn
0
1.3k
クラウド電子カルテを支えるテクノロジーの光と闇
jooohn
0
1.3k
怖くないCats
jooohn
0
810
Other Decks in Programming
See All in Programming
事業戦略を理解してソフトウェアを設計する
masuda220
PRO
16
4.3k
The Evolution of Enterprise Java with Jakarta EE 11 and Beyond
ivargrimstad
0
170
TypeScript エンジニアが Android 開発の世界に飛び込んだ話
yuisakamoto
6
990
機械学習って何? 5分で解説頑張ってみる
kuroneko2828
0
140
當開發遇上包裝:AI 如何讓產品從想法變成商品
clonn
0
2.7k
【TSkaigi 2025】これは型破り?型安全? 真実はいつもひとつ!(じゃないかもしれない)TypeScript クイズ〜〜〜〜!!!!!
kimitashoichi
1
300
Cursor Meetup Tokyo ゲノミクスとCursor: 進化と制約のあいだ
koido
2
650
Spring gRPC で始める gRPC 入門 / Introduction to gRPC with Spring gRPC
mackey0225
2
320
型安全なDrag and Dropの設計を考える
yudppp
5
670
UPDATEがシステムを複雑にする? イミュータブルデータモデルのすすめ
shimomura
0
370
RubyKaigiで得られる10の価値 〜Ruby話を聞くことだけが RubyKaigiじゃない〜
tomohiko9090
0
110
Rethinking Data Access: The New httpResource in Angular
manfredsteyer
PRO
0
220
Featured
See All Featured
The Web Performance Landscape in 2024 [PerfNow 2024]
tammyeverts
6
630
Large-scale JavaScript Application Architecture
addyosmani
512
110k
[RailsConf 2023] Rails as a piece of cake
palkan
55
5.6k
The Cost Of JavaScript in 2023
addyosmani
49
8.2k
For a Future-Friendly Web
brad_frost
178
9.8k
YesSQL, Process and Tooling at Scale
rocio
172
14k
The Power of CSS Pseudo Elements
geoffreycrofte
76
5.8k
CSS Pre-Processors: Stylus, Less & Sass
bermonpainter
357
30k
Visualizing Your Data: Incorporating Mongo into Loggly Infrastructure
mongodb
45
9.6k
The Cult of Friendly URLs
andyhume
78
6.4k
Side Projects
sachag
454
42k
Principles of Awesome APIs and How to Build Them.
keavy
126
17k
Transcript
RxJSͰۭ࣌Λ੍ͨ͠ M3, Inc. Jun Tomioka
ࣗݾհ Ԭ ७ (@jooohn) - ΤϜεϦʔגࣜձࣾ - ΤϯδχΞϦϯάG - ৽نϓϩδΣΫτx2
(ॾࣄʹΑΓඇެ։த) - ՇͷാͱؒΛͱͬͯڮຊ͔ Β̎h௨ۈʢڠٞதʣ
RxJSͰۭ࣌Λ੍ͨ͠
ॾࣄʹΑΓ αʔϏε༰Λݴ͑ͳ͍ͷͰ ԾͷαʔϏεͰઆ໌͠·͢
https://github.com/jooohn/rx-angular-example
ۭ࣌Λ੍͢Δલ https://goo.gl/1wlYCu
ۭ࣌Λ੍͍ͤͯͳ͍ • Ϣʔβʔ͕ૢ࡞͢ΔɺͨΒୟ͔ΕΔAPIίʔϧ • λΠϛϯάʹΑۭ͕ͬͯ࣌Ή • Load Moreͷॱ൪ • લճͷݕࡧ݁ՌΫϦΞ
• ݹ͍݅ͷݕࡧ݁ՌΛදࣔʂʂ
ʰjʱͰݕࡧ ʰjaʱͰݕࡧ ʰjaʱͷ݁Ռ ʰjʱͷ݁Ռ ۭ࣌ͷΈ
ۭ࣌ͷΈ
ͭΒ͍
ͦ͜Ͱ
None
None
An API for asynchronous programming with observable streams ࠓճॏཁͳ
None
Αͦ͞͏
ۭ࣌Λ੍͍ͤͯͳ͍ • Ϣʔβʔ͕ૢ࡞͢ΔɺͨΒୟ͔ΕΔAPIίʔϧ • λΠϛϯάʹΑۭ͕ͬͯ࣌Ή
ۭ࣌Λ੍͍ͤͯͳ͍ • Ϣʔβʔ͕ૢ࡞͢ΔɺͨΒୟ͔ΕΔAPIίʔϧ • λΠϛϯάʹΑۭ͕ͬͯ࣌Ή
combineLatest
ݕࡧΩʔϫʔυͷετϦʔϜ େͷετϦʔϜ “” “j” “ja” Asia Europe combineLatest “” /
Asia “j” / Asia “ja” / Asia “ja” / Europe ݕࡧ݅ͷετϦʔϜ
ݕࡧ݅ͷ ετϦʔϜΛ ҰຊԽ
debounce
debounce debounce(300) ݕࡧ݅ͷετϦʔϜ 300msҎʹଞͷΠϕϯτ͕͋ΔͷΛഉআ
debounce debounce(300) ݕࡧ݅ͷετϦʔϜ ࿈ଧɾΩʔλΠϓͰͷແବͳϦΫΤετΛݮʂ
ۭ࣌Λ੍͍ͤͯͳ͍ • Ϣʔβʔ͕ૢ࡞͢ΔɺͨΒୟ͔ΕΔAPIίʔϧ • λΠϛϯάʹΑۭ͕ͬͯ࣌Ή
ۭ࣌Λ੍͍ͤͯͳ͍ • Ϣʔβʔ͕ૢ࡞͢ΔɺͨΒୟ͔ΕΔAPIίʔϧ • λΠϛϯάʹΑۭ͕ͬͯ࣌Ή
flatMapLatest
͜Ε͚ͩ
flatMap
flatMapLatest
flatMapLatest ݅A ݅B ݅C ݅D flatMapLatest(݅ => ݁ՌͷετϦʔϜ) ݁ՌA ݁ՌB
݁ՌC ݁ՌD
flatMapLatest ݅A ݅B ݅C ݅D flatMapLatest(݅ => ݁ՌͷετϦʔϜ) ݁ՌA ݁ՌB
݁ՌC ݁ՌD ۭ͕࣌·ͳ͍
ۭ͕࣌·ͳ͍ʂ
flatMapLatest
͜Ε͚ͩͰ
ۭ͕࣌·ͳ͍ʂ
ۭ࣌Λ੍͍ͤͯͳ͍ • Ϣʔβʔ͕ૢ࡞͢ΔɺͨΒୟ͔ΕΔAPIίʔϧ • λΠϛϯάʹΑۭ͕ͬͯ࣌Ή
https://goo.gl/7phFXe
ۭ࣌Λ੍ͨ͠ʂ