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
Flutter Lintツールを完全に理解した
Search
Kenichi Kambara
August 25, 2022
Technology
0
550
Flutter Lintツールを完全に理解した
Flutter Lintツールを完全に理解した
完全に理解したTalkの32回目開催回のトーク資料です。
#flutter
#flutterjp
#完全に理解したTalk
Kenichi Kambara
August 25, 2022
Tweet
Share
More Decks by Kenichi Kambara
See All by Kenichi Kambara
[ABC2025Spring]Code Less, Build More: A Practical Guide to Mobile Apps with Generative AI
korodroid
0
180
[DevTalksRomania]Building Augmented Reality Experiences with Flutter and AI-Powered Development
korodroid
0
11
[FlutterNinjas]Adapting Flutter App UX for Users Across the World
korodroid
0
37
[FlutterTokyo#6]Navigating Flutter Upgrades
korodroid
0
63
[DevFestTokyo]Accelerating Flutter App Development Using Generative AI
korodroid
2
870
[DevFestMilano]Enhancing Flutter Apps UX for Global Users
korodroid
0
44
[mobile #15]UX Improvements on Flutter Apps Part 5
korodroid
0
59
[ABC2024Summer]Flutter UX Improvements + α
korodroid
0
540
[YUMEMI.grow Mobile #14]Wear OS Recap from I/O 2024 [short version]
korodroid
0
66
Other Decks in Technology
See All in Technology
ClaudeCode_vs_GeminiCLI_Terraformで比較してみた
tkikuchi
1
1.1k
PHPからはじめるコンピュータアーキテクチャ / From Scripts to Silicon: A Journey Through the Layers of Computing
tomzoh
2
120
サイバーエージェントグループのSRE10年の歩みとAI時代の生存戦略
shotatsuge
4
1k
Autify Company Deck
autifyhq
2
44k
An introduction to Claude Code SDK
choplin
2
1.1k
CDKコード品質UP!ナイスな自作コンストラクタを作るための便利インターフェース
harukasakihara
2
240
TLSから見るSREの未来
atpons
2
310
Amplify Gen2から知るAWS CDK Toolkit Libraryの使い方/How to use the AWS CDK Toolkit Library as known from Amplify Gen2
fossamagna
1
350
[SRE NEXT 2025] すみずみまで暖かく照らすあなたの太陽でありたい
carnappopper
2
470
Contract One Engineering Unit 紹介資料
sansan33
PRO
0
6.9k
アクセスピークを制するオートスケール再設計: 障害を乗り越えKEDAで実現したリソース管理の最適化
myamashii
1
670
Data Engineering Study#30 LT資料
tetsuroito
1
190
Featured
See All Featured
[RailsConf 2023 Opening Keynote] The Magic of Rails
eileencodes
29
9.6k
4 Signs Your Business is Dying
shpigford
184
22k
VelocityConf: Rendering Performance Case Studies
addyosmani
332
24k
Unsuck your backbone
ammeep
671
58k
Building Better People: How to give real-time feedback that sticks.
wjessup
367
19k
個人開発の失敗を避けるイケてる考え方 / tips for indie hackers
panda_program
108
19k
CSS Pre-Processors: Stylus, Less & Sass
bermonpainter
357
30k
Being A Developer After 40
akosma
90
590k
Principles of Awesome APIs and How to Build Them.
keavy
126
17k
[RailsConf 2023] Rails as a piece of cake
palkan
55
5.7k
Easily Structure & Communicate Ideas using Wireframe
afnizarnur
194
16k
How to Create Impact in a Changing Tech Landscape [PerfNow 2023]
tammyeverts
53
2.9k
Transcript
2022.08.25 ਆݪ ݈Ұ (@korodroid) Flutter LintπʔϧΛશʹཧղͨ͠ ʮʓʓશʹཧղͨ͠ʯTalkɹ#32
About me •Mobile App Development •Speeches (e.g. 9 International confs.)
•Writings (e.g. 6 Dev Books) •[Of fi cial] Evangelist at NTT TechnoCross •[Private] iplatform.org ਆݪɹ݈Ұ (@korodroid)
About my Flutter product (Private works) Sekaiphone Pro(Flutter/Kotlin/Swift) MyToDo(Flutter)
Lintπʔϧ(੩తղੳ)Λ׆༻͢ΔϝϦοτ(ྫ) 1. જࡏతͳόάͷݕग़ 2. ϨϏϡʔ࡞ۀͷෛՙܰݮ 3. ΞϓϦͷύϑΥʔϚϯεվળ
Flutter͚Lintπʔϧ( fl utter_lints) https://pub.dev/packages/ fl utter_lints
Walking through “ fl utter_lints” ↑ඞཁʹԠͯ͡ɺ࠷৽൛ʹߋ৽
Walking through “analysis_options.yaml”
Walking through “ fl utter.yaml” # Recommended lints for
Flutter apps, packages, and plugins. include: package:lints/recommended.yaml linter: rules: - avoid_print - avoid_unnecessary_containers - avoid_web_libraries_in_ fl utter - no_logic_in_create_state - prefer_const_constructors - prefer_const_constructors_in_immutables - prefer_const_declarations - prefer_const_literals_to_create_immutables - sized_box_for_whitespace - sort_child_properties_last - use_build_context_synchronously - use_full_hex_values_for_ fl utter_colors - use_key_in_widget_constructors
# Recommended lints for Flutter apps, packages, and plugins.
include: package:lints/recommended.yaml linter: rules: - avoid_print - avoid_unnecessary_containers - avoid_web_libraries_in_ fl utter - no_logic_in_create_state - prefer_const_constructors - prefer_const_constructors_in_immutables - prefer_const_declarations - prefer_const_literals_to_create_immutables - sized_box_for_whitespace - sort_child_properties_last - use_build_context_synchronously - use_full_hex_values_for_ fl utter_colors - use_key_in_widget_constructors Walking through “ fl utter.yaml”
Walking through “Linter for Dart” https://dart-lang.github.io/linter/lints/ productionίʔυʹ͓͚Δprint੍
Walking through “ fl utter.yaml” # Recommended lints for
Flutter apps, packages, and plugins. include: package:lints/recommended.yaml linter: rules: - avoid_print - avoid_unnecessary_containers - avoid_web_libraries_in_ fl utter - no_logic_in_create_state - prefer_const_constructors - prefer_const_constructors_in_immutables - prefer_const_declarations - prefer_const_literals_to_create_immutables - sized_box_for_whitespace - sort_child_properties_last - use_build_context_synchronously - use_full_hex_values_for_ fl utter_colors - use_key_in_widget_constructors
Walking through “recommended.yaml”
Walking through “Linter for Dart” ྫ.Collection͕ಛఆཁૉΛؚΉ͔൱͔ͷఆ ྫ.ΠϯελϯεੜͷͨΊͷnewར༻੍
Walking through “recommended.yaml”
Walking through “core.yaml”
Adding Custom Rules https://github.com/ fl utter/samples
Walking through “samples/analysis_options.yaml” include: package: fl utter_lints/ fl utter.yaml
analyzer: strong-mode: implicit-casts: false implicit-dynamic: false linter: rules: avoid_types_on_closure_parameters: true avoid_void_async: true cancel_subscriptions: true close_sinks: true directives_ordering: true package_api_docs: true package_pre fi xed_library_names: true test_types_in_equals: true throw_in_ fi nally: true unawaited_futures: true unnecessary_statements: true use_super_parameters: true
Walking through “samples/analysis_options.yaml” include: package: fl utter_lints/ fl utter.yaml
analyzer: strong-mode: implicit-casts: false implicit-dynamic: false linter: rules: avoid_types_on_closure_parameters: true avoid_void_async: true cancel_subscriptions: true close_sinks: true directives_ordering: true package_api_docs: true package_pre fi xed_library_names: true test_types_in_equals: true throw_in_ fi nally: true unawaited_futures: true unnecessary_statements: true use_super_parameters: true
Customizing static analysis https://dart.dev/guides/language/analysis-options
One more examples… analyzer: errors: avoid_print: error ྫ.avoid_printҧΛΤϥʔʹ analyzer:
exclude: - “**/*.g.dart" - "**/*.freezed.dart" - test/*.dart ྫ.ରύεͷϑΝΠϧΛνΣοΫର֎
·ͱΊ •FlutterΞϓϦ։ൃͰੵۃతʹLint׆༻ʂ •ެࣜϦϑΝϨϯεͷϓϥΫςΟεࢀߟʹʂ •ඞཁʹԠͯ͡ɺϧʔϧΛదٓΧελϚΠζ
Please let me know if you have any requests
such as technical speeches, technical writings and so on. Facebook:http://fb.com/kanbara.kenichi Twitter:@korodroid LinkedIn:http://www.linkedin.com/in/korodroid Thank you so much