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
Work around Dart custom lint rule
Search
tomocy
February 28, 2020
Programming
1
480
Work around Dart custom lint rule
Flutter Meetup Osaka #2
tomocy
February 28, 2020
Tweet
Share
More Decks by tomocy
See All by tomocy
Write Container Runtime in Go
tomocy
4
3.3k
Other Decks in Programming
See All in Programming
STUNMESH-go: Wireguard NAT穿隧工具的源起與介紹
tjjh89017
0
380
20250808_AIAgent勉強会_ClaudeCodeデータ分析の実運用〜競馬を題材に回収率100%の先を目指すメソッドとは〜
kkakeru
0
210
管你要 trace 什麼、bpftrace 用下去就對了 — COSCUP 2025
shunghsiyu
0
470
サーバーサイドのビルド時間87倍高速化
plaidtech
PRO
0
490
マイコンでもRustのtestがしたい その2/KernelVM Tokyo 18
tnishinaga
2
2.3k
WebAssemblyインタプリタを書く ~Component Modelを添えて~
ruccho
1
910
令和最新版手のひらコンピュータ
koba789
14
8k
CSC305 Summer Lecture 12
javiergs
PRO
0
120
ライブ配信サービスの インフラのジレンマ -マルチクラウドに至ったワケ-
mirrativ
2
260
tool ディレクティブを導入してみた感想
sgash708
1
150
Oracle Database Technology Night 92 Database Connection control FAN-AC
oracle4engineer
PRO
1
200
パスタの技術
yusukebe
1
400
Featured
See All Featured
Fireside Chat
paigeccino
39
3.6k
VelocityConf: Rendering Performance Case Studies
addyosmani
332
24k
Distributed Sagas: A Protocol for Coordinating Microservices
caitiem20
333
22k
How to Create Impact in a Changing Tech Landscape [PerfNow 2023]
tammyeverts
53
2.9k
Designing for Performance
lara
610
69k
A designer walks into a library…
pauljervisheath
207
24k
The Pragmatic Product Professional
lauravandoore
36
6.8k
Become a Pro
speakerdeck
PRO
29
5.5k
Why You Should Never Use an ORM
jnunemaker
PRO
59
9.5k
Unsuck your backbone
ammeep
671
58k
ReactJS: Keep Simple. Everything can be a component!
pedronauck
667
120k
Templates, Plugins, & Blocks: Oh My! Creating the theme that thinks of everything
marktimemedia
31
2.5k
Transcript
Dart ಠࣗLintϧʔϧͷ ϫʔΫΞϥϯυ 2020/02/28 Flutter Meetup Osaka #2 tomocy (@towocy)
੩తղੳͱ
੩తղੳ ࣮ߦϑΝΠϧΛ࣮ߦ͢Δ͜ͱͳ͘ ղੳΛߦ͏͜ͱ https://ja.wikipedia.org/wiki/%E9%9D%99%E7%9A%84%E3%82%B3%E3%83%BC%E3%83%89%E8%A7%A3%E6%9E%90
੩తղੳΛར༻͢Δ͜ͱͰ ιʔείʔυͷ ิϑΥʔϚοτ͕Ͱ͖Δ
Lint ιʔείʔυʹજΉΛ ݕग़ɺࢦఠ͢Δ
None
Lint ιʔείʔυʹજΉΛ ݕग़ɺࢦఠ͢Δ
Lint ιʔείʔυʹજΉΛ ݕग़ɺࢦఠ͢Δ
analysis_options.yaml
analysis_opsions.yaml LintϧʔϧΛྻڍͯ͠ ݕग़ɺࢦఠͷରΛఆΊΔ
ಠࣗLintϧʔϧ
ಠࣗLintϧʔϧ ެࣜҎ֎ͷLintϧʔϧཉ͍͠
ಠࣗLintϧʔϧ dart-lang/linter#697ʹͯݕ౼த (2020/02/28࣌) https://github.com/dart-lang/linter/issues/697
ಠࣗLintϧʔϧ ͲͷΑ͏ʹ࣮ݱ͞ΕΔʹͤΑ dart-lang/linterΛ͏͜ͱʹͳΓͦ͏
None
LintRuleʢϧʔϧͷ໊લɺઆ໌ɺରͷNodeΛઃఆʣ VisitorʢରͷNodeʹର͢ΔݕূΛ࣮ʣ ʢSimpleAstVisitorҎ֎ʹVisitor͕͋Δʣ
None
1. LintRuleଆͰରͷNodeΛొ͓ͯ͘͠
2. VisitorଆͰͦͷNodeΛݕࠪ͢Δ 1. LintRuleଆͰରͷNodeΛొ͓ͯ͘͠
ಠࣗLintϧʔϧͷ ϫʔΫΞϥϯυ
WidgetͷίϯετϥΫλʔͷҾ ׳शతʹ໊લ͖Ҿʹ͢Δ https://api.flutter.dev/flutter/widgets/StatelessWidget-class.html
WidgetͷίϯετϥΫλʔͷҾ ׳शతʹ໊લ͖Ҿʹ͢Δ ίϯετϥΫλʔͷҾ໊͕લ͖ҾͰͳ͍WidgetΛ ͱͯ͠ࢦఠ͢ΔLintϧʔϧ https://api.flutter.dev/flutter/widgets/StatelessWidget-class.html
ಠࣗLintϧʔϧ use named parameters in widget constructors
None
None
tool/rule.dart LintϧʔϧͷܗͱͦͷςετΛੜ͢Δ Lintϧʔϧͷ໊લ
None
ςετ LintΤϥʔΛग़ͯ͠ཉ͍͠ߦʹ // Lint ίϝϯτΛॻ͘
None
Line Rule Lintϧʔϧͷ આ໌ͱৄࡉ
None
Lint Rule LintͷରͷNodeΛొ
Lint Rule LintͷରͷNodeΛొ ࠓճΫϥεఆٛͷNodeΛղੳ͢Δ
None
Visitor ରͷNodeͷղੳ
Visitor ରͷNodeͷղੳ WidgetͷίϯετϥΫλʔͷҾ͕ ໊લ͖ҾͰ͋Δ͔Λ֬ೝ
None
None
None
None
·ͱΊ
- LintͰίʔυͷΛݕग़ - analysis_options.yamlͰ ɹLintϧʔϧΛΈ߹Θͤ - ಠࣗLintϧʔϧ·ͩඇެࣜ
ϧʔϧΛकָͬͯ͘͠Flutter/Dart!
͋Γ͕ͱ͏͍͟͝·ͨ͠
Links ੩తղੳ https://api.flutter.dev/flutter/widgets/StatelessWidget-class.html Issue ‘Support custom lint rule' https://api.flutter.dev/flutter/widgets/StatelessWidget-class.html Stateless
Widget https://api.flutter.dev/flutter/widgets/StatelessWidget-class.html Lint rule ‘use named parameters in widget constructors’ https://github.com/tomocy/dart-linter/tree/use_named_parameters_in_widget_constructors