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
barrel_file_for_flutter.pdf
Search
ashdik
July 24, 2023
Programming
1
1.3k
barrel_file_for_flutter.pdf
FlutterのBarrel Fileを使って、importを分かりやすくするための解説をしました!
ashdik
July 24, 2023
Tweet
Share
More Decks by ashdik
See All by ashdik
4年間変わらなかった YOUTRUSTのアーキテクチャ
daiki1003
3
1.8k
DevTools Extension 3分クッキング
daiki1003
0
1.1k
テストの可読性を支える技術
daiki1003
12
5.3k
YOUTRUSTアプリの構造、暴露してみた
daiki1003
7
3.6k
Other Decks in Programming
See All in Programming
Webからモバイルへ Vue.js × Capacitor 活用事例
naokihaba
0
740
Go1.25からのGOMAXPROCS
kuro_kurorrr
1
790
GoのWebAssembly活用パターン紹介
syumai
3
10k
AIネイティブなプロダクトをGolangで挑む取り組み
nmatsumoto4
0
120
今ならAmazon ECSのサービス間通信をどう選ぶか / Selection of ECS Interservice Communication 2025
tkikuc
11
2.8k
Java on Azure で LangGraph!
kohei3110
0
160
ReadMoreTextView
fornewid
1
450
無関心の谷
kanayannet
0
180
Railsアプリケーションと パフォーマンスチューニング ー 秒間5万リクエストの モバイルオーダーシステムを支える事例 ー Rubyセミナー 大阪
falcon8823
3
790
生成AIで日々のエラー調査を進めたい
yuyaabo
0
620
なんとなくわかった気になるブロックテーマ入門/contents.nagoya 2025 6.28
chiilog
1
150
Bytecode Manipulation 으로 생산성 높이기
bigstark
2
360
Featured
See All Featured
CoffeeScript is Beautiful & I Never Want to Write Plain JavaScript Again
sstephenson
161
15k
GitHub's CSS Performance
jonrohan
1031
460k
Connecting the Dots Between Site Speed, User Experience & Your Business [WebExpo 2025]
tammyeverts
4
200
How STYLIGHT went responsive
nonsquared
100
5.6k
Building Adaptive Systems
keathley
43
2.6k
The Cult of Friendly URLs
andyhume
79
6.4k
Dealing with People You Can't Stand - Big Design 2015
cassininazir
367
26k
実際に使うSQLの書き方 徹底解説 / pgcon21j-tutorial
soudai
PRO
181
53k
Save Time (by Creating Custom Rails Generators)
garrettdimon
PRO
31
1.2k
Thoughts on Productivity
jonyablonski
69
4.7k
Chrome DevTools: State of the Union 2024 - Debugging React & Beyond
addyosmani
7
700
The Myth of the Modular Monolith - Day 2 Keynote - Rails World 2024
eileencodes
26
2.8k
Transcript
FlutterͷBarrel Fileʹ ͍ͭͯ 2023/07/24 Daiki Asahi (ashdik) 1
ேେथˏ 5XJUUFSɿ!EBJLJ 'MVUUFSྺɿϲ݄ ϒϩάɿIUUQTCMPHEBMUNF
࣍ ɾBarrel Fileͱʁ ɾimportॏཁͳͷ͔ʁ ɾexportΩʔϫʔυ ɾBarrel Fileͷ࡞Γํ 3
࣍ ɾBarrel Fileͱʁ ɾimportॏཁͳͷ͔ʁ ɾexportΩʔϫʔυ ɾBarrel Fileͷ࡞Γํ 4
Barrel Fileͱʁ 5 importΛ·ͱΊͨϑΝΠϧ 5
࣍ ɾBarrel Fileͱʁ ɾimportॏཁͳͷ͔ʁ ɾexportΩʔϫʔυ ɾBarrel Fileͷ࡞Γํ 6
7 importจͷॏཁੑ ͲͷϑΥϧμʹґଘ͍ͯ͠Δ͔ʁ 7
υϝΠϯ ͲͷυϝΠϯ͕ͲͷυϝΠϯΛ͍ͬͯΔ͔ ϨΠϠʔ ٯࢀরආ͚ͯɺґଘؔΛҰํʹ 8 importจͷॏཁੑ ͲͷϑΥϧμʹґଘ͍ͯ͠Δ͔ʁ 8
υϝΠϯ ͲͷυϝΠϯ͕ͲͷυϝΠϯΛ͍ͬͯΔ͔ ϨΠϠʔ ٯࢀরආ͚ͯɺґଘؔΛҰํʹอͪ·͢ɻ 9 importจͷॏཁੑ ͲͷϑΥϧμʹґଘ͍ͯ͠Δ͔ʁ 9
υϝΠϯ ͲͷυϝΠϯ͕ͲͷυϝΠϯΛ͍ͬͯΔ͔ ϨΠϠʔ ٯࢀরආ͚ͯɺґଘؔΛҰํʹอͪ·͢ɻ 10 importจͷॏཁੑ ͲͷϑΥϧμʹґଘ͍ͯ͠Δ͔ʁ 10 YOUTRUSTΞϓϦͷߏɺ࿐ͯ͠Έͨ more
infoʁ https://speakerdeck.com/daiki1003/youtrustapurifalsegou-zao-bao-lu-sitemita
υϝΠϯ ͲͷυϝΠϯ͕ͲͷυϝΠϯΛ͍ͬͯΔ͔ ϨΠϠʔ ٯࢀরආ͚ͯɺґଘؔΛҰํʹ 11 importจͷॏཁੑ ͲͷϑΥϧμʹґଘ͍ͯ͠Δ͔ʁ 11
υϝΠϯ ͲͷυϝΠϯ͕ͲͷυϝΠϯΛ͍ͬͯΔ͔ ϨΠϠʔ ٯࢀরආ͚ͯɺґଘؔΛҰํʹ 12 importจͷॏཁੑ ͲͷϑΥϧμʹґଘ͍ͯ͠Δ͔ʁ 12 FlutterYOUTRUSTΞϓϦΛࢧ͑ΔϨΠϠʔߏ more
infoʁ https://tech.youtrust.co.jp/entry/app-layer-flutter
࣍ ɾBarrel Fileͱʁ ɾimportॏཁͳͷ͔ʁ ɾexportΩʔϫʔυ ɾBarrel Fileͷ࡞Γํ 13 13
DartϥΠϒϥϦͷҰ෦Λɺ ଞͷϥΠϒϥϦʹެ։͢ΔͨΊʹ༻͢Δ 14 exportΩʔϫʔυ exportΩʔϫʔυͱʁ 14
࣍ ɾBarrel Fileͱʁ ɾimportॏཁͳͷ͔ʁ ɾexportΩʔϫʔυ ɾBarrel Fileͷ࡞Γํ 15 15
16 Barrel Fileͷ࡞Γํ 16 lib/comic ᵓᴷᴷ model ɹ ᵓᴷᴷ attack_on_titan.dart
ɹ ᵓᴷᴷ hunter_hunter.dart ɹ ᵓᴷᴷ kingdom.dart ɹ ᵋᴷᴷ one_piece.dart
17 Barrel Fileͷ࡞Γํ 17 lib/comic ᵓᴷᴷ model ᴹ ᵓᴷᴷ attack_on_titan.dart
ᴹ ᵓᴷᴷ hunter_hunter.dart ᴹ ᵓᴷᴷ kingdom.dart ᴹ ᵋᴷᴷ one_piece.dart ᵋᴷᴷ model.dart
18 Barrel Fileͷ࡞Γํ 18 Before After
19 Barrel Fileͷ࡞Γํ 19 શ෦ख࡞Γʁ
20 Barrel Fileͷ࡞Γํ 20 શ෦ख࡞Γʁ εΫϦϓτͷར༻ Dart Barrel File Generator
21 importจͷॏཁੑ ͍/গͳ͍͕ਖ਼ٛͰͳ͍ 21
lib.dartʁ 22 importจͷॏཁੑ ͍/গͳ͍͕ਖ਼ٛͰͳ͍ 22
23 ·ͱΊ Barrel FileΛ͏͜ͱͰimportΛߏԽग़དྷΔ 23 importจͲͷϑΝΠϧ͕ͲͷϑΝΠϧʹґଘ͍ͯ͠Δ͔ΛΔࢦඪͰ͋Δ ༻๏ɾཁྖΛकͬͯਖ਼͓͍͍ͩ͘͘͠͞
24 24 ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ