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
AI Coding Agentのセキュリティリスク:PRの自己承認とメルカリの対策
s3h
0
240
ファインディ株式会社におけるMCP活用とサービス開発
starfish719
0
2k
個人軟體時代
ethanhuang13
0
330
私の後悔をAWS DMSで解決した話
hiramax
4
210
Ruby Parser progress report 2025
yui_knk
1
460
プロポーザル駆動学習 / Proposal-Driven Learning
mackey0225
2
1.3k
How Android Uses Data Structures Behind The Scenes
l2hyunwoo
0
480
go test -json そして testing.T.Attr / Kyoto.go #63
utgwkk
3
310
rage against annotate_predecessor
junk0612
0
170
より安全で効率的な Go コードへ: Protocol Buffers Opaque API の導入
shwatanap
2
770
2025 年のコーディングエージェントの現在地とエンジニアの仕事の変化について
azukiazusa1
24
12k
「待たせ上手」なスケルトンスクリーン、 そのUXの裏側
teamlab
PRO
0
570
Featured
See All Featured
Context Engineering - Making Every Token Count
addyosmani
3
60
A better future with KSS
kneath
239
17k
We Have a Design System, Now What?
morganepeng
53
7.8k
Imperfection Machines: The Place of Print at Facebook
scottboms
268
13k
No one is an island. Learnings from fostering a developers community.
thoeni
21
3.4k
Docker and Python
trallard
46
3.6k
How to Create Impact in a Changing Tech Landscape [PerfNow 2023]
tammyeverts
53
3k
Rails Girls Zürich Keynote
gr2m
95
14k
Keith and Marios Guide to Fast Websites
keithpitt
411
22k
Easily Structure & Communicate Ideas using Wireframe
afnizarnur
194
16k
Visualizing Your Data: Incorporating Mongo into Loggly Infrastructure
mongodb
48
9.7k
GitHub's CSS Performance
jonrohan
1032
460k
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