Upgrade to PRO for Only $50/Year—Limited-Time Offer! 🔥
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
LGTMについて
Search
amacou
June 28, 2016
Programming
6
110k
LGTMについて
社内の新卒研修でコードレビューについての私見を共有しました
amacou
June 28, 2016
Tweet
Share
More Decks by amacou
See All by amacou
MVPのようなものをチームに提案した話
amacou
3
2.5k
Other Decks in Programming
See All in Programming
AI時代もSEOを頑張っている話
shirahama_x
0
210
Full-Cycle Reactivity in Angular: SignalStore mit Signal Forms und Resources
manfredsteyer
PRO
0
170
堅牢なフロントエンドテスト基盤を構築するために行った取り組み
shogo4131
4
1.7k
JEP 496 と JEP 497 から学ぶ耐量子計算機暗号入門 / Learning Post-Quantum Crypto Basics from JEP 496 & 497
mackey0225
2
550
TypeScriptで設計する 堅牢さとUXを両立した非同期ワークフローの実現
moeka__c
6
2.8k
Micro Frontendsで築いた 共通基盤と運用の試行錯誤 / Building a Shared Platform with Micro Frontends: Operational Learnings
kyntk
1
1.9k
ViewファーストなRailsアプリ開発のたのしさ
sugiwe
0
350
WebRTC、 綺麗に見るか滑らかに見るか
sublimer
1
110
競馬で学ぶ機械学習の基本と実践 / Machine Learning with Horse Racing
shoheimitani
14
14k
配送計画の均等化機能を提供する取り組みについて(⽩⾦鉱業 Meetup Vol.21@六本⽊(数理最適化編))
izu_nori
0
120
Building AI with AI
inesmontani
PRO
1
460
20 years of Symfony, what's next?
fabpot
2
280
Featured
See All Featured
No one is an island. Learnings from fostering a developers community.
thoeni
21
3.5k
[Rails World 2023 - Day 1 Closing Keynote] - The Magic of Rails
eileencodes
37
2.6k
The Art of Delivering Value - GDevCon NA Keynote
reverentgeek
16
1.8k
Design and Strategy: How to Deal with People Who Don’t "Get" Design
morganepeng
132
19k
Performance Is Good for Brains [We Love Speed 2024]
tammyeverts
12
1.3k
Build The Right Thing And Hit Your Dates
maggiecrowley
38
3k
Optimizing for Happiness
mojombo
379
70k
Documentation Writing (for coders)
carmenintech
76
5.2k
Bootstrapping a Software Product
garrettdimon
PRO
307
110k
Docker and Python
trallard
46
3.7k
A designer walks into a library…
pauljervisheath
210
24k
Fireside Chat
paigeccino
41
3.7k
Transcript
LGTMʹ͍ͭͯ GMO ϖύϘ @amacou
ࣗݾհ • @amacou • ݩSIer:2~3ಇ͍ͨޙɺؒ;Β;Βͯͨ͠ • 20144݄25ʹGMO ϖύϘೖࣾ • ԬͷminneνʔϜʹଐ
• 20156݄ʹ౦ژͷminneνʔϜʹҠಈ • ͖ͳ৯:মௗͱഅ
LGTM
LGTM • Looks good to meʂ(Αͦ͞͏ʂ) • ࠓճɺ͍͍ͭͬͯΔʮLGTMʯͲ͏ ͍͏ͱ͜Ζ͕ʮΑͦ͞͏ʯͱࢥͬͯॻ͍͍ͯ Δ͔Λ·ͱΊ·͢
ࠓ͢͜ͱ • ίʔυϨϏϡʔͷత • ͳʹΛϨϏϡʔ͢Δͷ͔ • TipsΛ͚ͩ͢͜͠
ͪΖΜݸਓͷݟղΛଟʹؚΜ Ͱ͍·͢
ίʔυϨϏϡʔͱ ίʔυϨϏϡʔʢӳ: Code reviewʣɺιϑ τΣΞ։ൃఔͰݟա͝͞ΕͨޡΓΛݕग़ɾ मਖ਼͢Δ͜ͱΛతͱͯ͠ιʔείʔυͷମܥ తͳݕࠪʢࠪಡʣΛߦ͏࡞ۀͷ͜ͱɻ (ग़య)https://ja.wikipedia.org/wiki/ίʔυϨϏϡʔ
ίʔυϨϏϡʔͱ ίʔυϨϏϡʔʢӳ: Code reviewʣɺιϑ τΣΞ։ൃఔͰݟա͝͞ΕͨޡΓΛݕग़ɾ मਖ਼͢Δ͜ͱΛతͱͯ͠ιʔείʔυͷମܥ తͳݕࠪʢࠪಡʣΛߦ͏࡞ۀͷ͜ͱɻ (ग़య)https://ja.wikipedia.org/wiki/ίʔυϨϏϡʔ
ݟա͝͞ΕͨޡΓ ϓϩάϥϚͷεΩϧʹΑΒͣɺॻ͖ԼΖ͞Ε͔ͨΓͷιʔείʔυજࡏతʹό άηΩϡϦςΟϗʔϧʢॻࣜจࣈྻɺڝ߹ঢ়ଶɺϝϞϦϦʔΫɺόοϑΝΦʔ όʔϥϯͳͲʣͳͲͷෆ۩߹͕ೖΓࠐΜͰ͍Δ͜ͱ͕ଟ͍ɻ ιϑτΣΞ࣭ΛߴΊΔͨΊʹ͜ͷΑ͏ͳෆ۩߹Λআڈ͍ͯ͘͠ඞཁ͕͋Δɻ ͜ͷෆ۩߹Λൃݟ͠मਖ਼͢ΔͨΊͷ1ͭͷํ๏͕ɺιʔείʔυͷࠪಡΛߦ͏͜ ͱɺ͢ͳΘͪίʔυϨϏϡʔͰ͋Δɻ ΦϯϥΠϯͷιϑτΣΞϦϙδτϦʢಗ໊ͷCVSͳͲʣΛ͏ͱɺෳͷݸਓ͕ ڞಉͰίʔυϨϏϡʔΛߦ͏͜ͱ͕Ͱ͖Δɻ ίʔυϨϏϡʔΛࣗಈԽ͢ΔιϑτΣΞΛ͏ͱɺιϑτΣΞ։ൃऀͷΘΓ
ʹయܕతͳηΩϡϦςΟϗʔϧΛݟ͚ͭΔ࡞ۀΛߦͬͯ͘ΕΔɻͦͷΑ͏ͳιϑτ ΣΞͷྫͱͯ͠ɺFlawfinder Rough Auditing Tool for Security(RATS) ͳͲ͕ ͋Δɻ (ग़య)https://ja.wikipedia.org/wiki/ίʔυϨϏϡʔ
ͭ·Γ ΈΜͳͰόάηΩϡϦςΟʔϗʔ ϧΛݟ͚ͭΔ࡞ۀ
ͰຊʹͦΕ͚ͩͳͷ͔ʁʁ
ίʔυϨϏϡʔͷత • Λڞ༗͢Δ • ଐਓԽΛഉআ͢Δ • ίʔυͷ࣭Λ্͛Δ
Λڞ༗͢Δ • ϨϏϡʔ͢Δ͜ͱͦͷίʔυʹରͯ͠ Λ࣋ͭ͜ͱ • ͦͷίʔυʹ͕ͳ͍ͱ͍͏͜ͱͷอূ ਓʹͳΔ • ࣗࣄʹ͢Δ •
ೲಘ͢Δ·Ͱ͠߹͏ඞཁ͕͋Δ
ίʔυϨϏϡʔͷత • Λڞ༗ • ଐਓԽΛഉআ͢Δ • ίʔυͷ࣭Λ্͛Δ
ଐਓԽΛͳ͘͢ • ʮࠓʓʓ͞Μ͕ٳΈ͔ͩΒରԠͰ͖ͳ͍ʯ ʹͳΒͳ͍Α͏ʹ͢Δ • ͩΕͰͯ͢ͷίʔυΛϝϯςͰ͖ΔΑ ͏ʹͳΔ
ίʔυϨϏϡʔͷత • Λڞ༗ • ଐਓԽΛഉআ͢Δ • ίʔυͷ࣭Λ্͛Δ
ίʔυͷ࣭Λ্͛Δ • ίʔυΛཧղͰ͖Δ͔ • ޡΓ(όά)ͳ͍͔ • ϛΫϩͳόά • ϚΫϩͳόά •
ίʔυอकͰ͖Δ͔ • ૉΒ͍͠ίʔυͳ͍͔
ίʔυΛཧղͰ͖Δ͔ • ίʔυΛཧղ͢ΔͨΊʹ͕ࣝඞཁ • ݴޠ • ϑϨʔϜϫʔΫ • ϥΠϒϥϦ •
ΞϧΰϦζϜ • αʔϏε(ϏδωεϩδοΫ) • ࣝͷڞ༗ • ͩΕ͕ཧղͰ͖ΔΑ͏ʹͳΒͳ͍ͱଐਓԽ ͕͢͢Ή
ίʔυΛཧղͰ͖Δ͔ • Ͳ͏ͬͯཧղ͢Δ͔ • ͦͷίʔυͲ͏ͯ͠ඞཁͳͷ͔?Λҙࣝ͠ ͯಡΉ • Θ͔Βͳͯ͘٧·ͬͨΒฉ͘
ίʔυΛཧղͰ͖Δ͔ • Θ͔Βͳͯ͘٧·ͬͨΒฉ͘ • ͜ΕཱͳίʔυϨϏϡʔ • ฉ͔Εͨํɺઆ໌͢Δ͜ͱͰཧղ͕ਂ· Δ • ͓ޓ͍ͷػձͱͳΔ
͍͢͝ΤϯδχΞ͞Μ͕ҙຯΘ͔ Μͳ͍ίʔυॻ͍ͨΒόάͷՄೳ ੑ͕ߴ͍(ؾ͕͢Δ)
·͕ͪͬͯɺ ʰʮ͋ͷਓʯͷ͜ͱ͔ͩΒɺ͜ͷ ίʔυʹࢲͷߟ͕͑ٴͳ͍ਸ ߴͳཧ༝͕͋Δʹҧ͍ͳ͍ʱ ͳͲͲࢥͬͯޱΛ͙ͭ·ͳ͍͜ͱɻ ·ͣฉ͜͏ɻ
ίʔυͷ࣭Λ্͛Δ • ίʔυΛཧղͰ͖Δ͔ • ޡΓ(όά)ͳ͍͔ • ϛΫϩͳόά • ϚΫϩͳόά •
ίʔυอकͰ͖Δ͔ • ૉΒ͍͠ίʔυͳ͍͔
ϛΫϩͳόά • ϧʔϓ • ifͷ݅ • typo͕ͳ͍͔ • ʹͳ͍͔
ϛΫϩͳόά • ඞཁͳ͕ࣝগͳ͘ɺؒҧ͍͕͖ͬΓͱࢦ ఠͰ͖ΔͷͰίετ • linter(੩తίʔυղੳπʔϧ)Ͱػցతʹݟͭ ͚Δ͜ͱ͕Ͱ͖Δ͜ͱଟ͍ • ex) rubocop
ػցʹͰ͖Δ͜ͱͳΔ͘ػ ցʹͬͯΒ͍·͠ΐ͏
ίʔυͷ࣭Λ্͛Δ • ίʔυΛཧղͰ͖Δ͔ • ޡΓ(όά)ͳ͍͔ • ϛΫϩͳόά • ϚΫϩͳόά •
ίʔυอकͰ͖Δ͔ • ૉΒ͍͠ίʔυͳ͍͔
ϚΫϩͳόά • αʔϏεͱͯؒ͠ҧ͍ͬͯͳ͍͔ • ࠓ·Ͱͷ༷ͱໃ६ͳ͍͔ • ฏߦͯ͠࡞͍ͬͯΔଞͷػೳͱͷໃ६ͳ͍ ͔ • ಛఆͷ݅ͷ࣌ʹഁ͠ͳ͍͔
ϚΫϩͳόά • ݟ͚ͭΔͷൺֱత͍͠ • αʔϏεͷ͕ࣝඞཁʹͳΔ • ͔͔࣌ؒΔ͠ߴίετ
αʔϏεʹଐ͞Ε͙ͯ͢ݟͭ ͚Δͷ͍͠
Ͳ͏͢Εݟ͚ͭΒΕΔ͔?
ࣝΛ૿͔͢͠ͳ͍
ଐ͞Ε͙ͯ͢ʹ͜ͷϨϕϧͷ ϨϏϡʔٻΊΒΕͳ͍ͷͰɺয Βͣʹண࣮ʹ͍͜͏
ίʔυͷ࣭Λ্͛Δ • ίʔυΛཧղͰ͖Δ͔ • ޡΓ(όά)ͳ͍͔ • ϛΫϩͳόά • ϚΫϩͳόά •
ίʔυอकͰ͖Δ͔ • ૉΒ͍͠ίʔυͳ͍͔
ίʔυอकͰ͖Δ͔ • ίʔυγϯϓϧ͔ • Մಡੑߴ͍͔ • ςετΓ͍ͯΔ͔
ίʔυγϯϓϧ͔ • ૄ݁߹ͳΫϥεʹͳ͍ͬͯΔ͔ • DRYʹͳ͍ͬͯΔ͔ • ܧঝਂ͗͢ͳ͍͔ • Ϋϥεେ͖͗͢ͳ͍͔ •
ૣ͗͢Δ࠷దԽͳ͍͔
ίʔυอकͰ͖Δ͔ • ίʔυγϯϓϧ͔ • Մಡੑߴ͍͔ • ςετΓ͍ͯΔ͔
Մಡੑߴ͍͔ • ୭ͰಡΊॲཧͷ༰͕Θ͔Δίʔυ͕ඞ ཁ • ࣍୭͕ฤू͢Δ͔Θ͔Βͳ͍ • ͦͦ໌ͷࣗଞਓ
໊͚ • Ϋϥε໊/ϝιου໊/ม໊ͳͲΛదͳ໊ લʹ͢Δ͜ͱ • ՄಡੑΛߴΊΔͨΊʹదͳ໊લ͕ඞཁ • ΊͬͪΌ͍͠ • Αٞ͘ʹͳΔ
ద • దͳ໊લ͕͍͍ͯΔͱॲཧͷৄࡉΛ͏ճ ͕ݮΔ • a1, a2ͱ͍͏ϝιου໊ͱ, delete, nameͱ͍͏ ϝιου໊
• ϝιουʹӕ͕ͳ͍͔Ͳ͏͔ΛΑ͘ߟ͑ͳ͍ͱό άͷԹচʹͳΔ • deleteͰupdateΛ͍ͯͨ͠ͱ͔ɺdeleteͰࣦഊ ͯ͠trueΛฦ͍ͯͨ͠ͱ͔
ίʔυอकͰ͖Δ͔ • ίʔυγϯϓϧ͔ • Մಡੑߴ͍͔ • ςετΓ͍ͯΔ͔
ςετΓ͍ͯΔ͔ • ྫ͑ • rubyͷόʔδϣϯΞοϓ • railsͷόʔδϣϯΞοϓ • େ͖ΊͷػೳͷϦϑΝΫλϦϯά •
࣮֬ʹྑ͘ͳΔͣͳͷʹɺςετ͕ͳ͍ͱාͯ͘Ͱ͖ ͳ͘ͳͬͯ͠·͏ • ͍ͭͷؒʹ͔࠷৽ʹ͍͚ͭͳΔ • ηΩϡϦςΟʔϦεΫ • Ͳ͏ͤͳΒॻ͖ͨ͠΄͏͕͍ͷͰ
ίʔυͷ࣭Λ্͛Δ • ίʔυΛཧղͰ͖Δ͔ • ޡΓ(όά)ͳ͍͔ • ϛΫϩͳόά • ϚΫϩͳόά •
ίʔυอकͰ͖Δ͔ • ૉΒ͍͠ίʔυͳ͍͔
ૉΒ͍͠ίʔυͳ͍͔ • ૉΒ͍͠ίʔυΛݟ͚ͭͨΒੵۃతʹڞ༗ ͠Α͏ • ྑ͍ίʔυΈΜͳͰ๙ΊΑ͏ • ͔࣍ΒΈΜͳͰͦΜͳίʔυΛ͔͚ΔΑ ͏ʹͳΖ͏
ʑͷϨϏϡʔͰؾΛ͚ͭΔ͜ͱ
ϨϏϡʔස • Ͱ͖Δ͚ͩૣ͘ϨϏϡʔ͠Α͏ • ΘΕͳ͍ίʔυ͙͢Δ • ίʔυॻ͍ͨޙ͔ΒΕ͍ͯ͘ • ϨϏϡʔ →
मਖ਼ → ࠶ϨϏϡʔͷαΠΫϧ খ͍͞΄͏͕Φʔόʔϔου͕গͳ͍
ٞʹ٬؍ੑ͕Γͳ͍࣌ • ϝιου໊ͳͲͰAͱBͲ͕ͬͪΘ͔Γ͍͢ ͔அͰ͖ͳ͍͕࣌͋Δ • ୈࡾऀ͕Ͳ͏͍͏அΛ͍ͯ͠Δ͔ΛௐΔ ͱೲಘͰ͖Δ͜ͱ͕ଟ͍ • ex)ݴޠͰͲ͏͍͏نଇͰ໊લΛ͚͍ͭͯ Δ͔?/ϑϨʔϜϫʔΫ?/ϥΠϒϥϦ?
ϨϏϡʔΛॻ͘ͱ͖ • ཧ༝Λॻ͘ • ྫΛग़͢ ͱฦ͍͢͠
ʮ͜ͷॲཧԿ͕͍ͨ͠ͷ?ʯ ↑Ͳ͏͑·͔͢?
ʮ͜ͷॲཧʓʓͱ͍͏͜ͱΛΓ͍ͨΑ͏ʹ ݟ͑ΔͷͰ͕͢ɺͦΕͳΒ☓☓☓ͱ͍͏ॻ͖ํ ʹม͑ͨ΄͏͕γϯϓϧʹͳΓͦ͏Ͱ͢ʯ ↑Ͳ͏͑·͔͢?
࠷ޙʹ
େࣄͳ͜ͱ • αʔϏεΛյ͞ͳ͍͜ͱΛνʔϜͰ୲อ͢Δ • ະདྷʹΘͨͬͯ։ൃΛଓ͚ΒΕΔΑ͏ʹ͢Δ • ͕ࣗͨͪ͢Δ
ͬͱΘ͔Γ͍͢ࢿྉͳ͍ͷ? • ࠓճͷࢿྉΛॻ͖ऴ͑ͯʮ͏ʙΜΘ͔Γʹ͘ ͍ͳ͊ͬͯʯͬͯࢥͬͯάάͬͨΒɺಉ྅͕2 લʹॻ͍ͨࢿྉ͕͋ͬͨɻ • ͥΜͥΜιονͷ΄͏͕Θ͔Γ͍͢Α • https://speakerdeck.com/hisaichi5518/ kodorebiyufalsehua
ϨϏϡʔؔͰ͖ͳεϥΠυ • ͦ͘ίʔυͷ http://www.slideshare.net/ rootmoon/7-37892729 • ϨϏϡʔ͓͡͞Μͷ https:// speakerdeck.com/seri/ turakunaikodorebiyufalseyun-yong
ίʔυϨϏϡʔͯ͠Β͏ଆͷ • http://techlife.cookpad.com/entry/ 2015/03/30/174713