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
Yet another simple logger
Search
Kento Nagata
April 19, 2018
Technology
2
1.9k
Yet another simple logger
Kento Nagata
April 19, 2018
Tweet
Share
More Decks by Kento Nagata
See All by Kento Nagata
中小病院向け、レセコン一体型電子カルテの開発の面白さ
ngtk
0
870
Generating Accessibility Identifiers Easily and Consistently Using Reflection API
ngtk
3
740
プロダクト改善の施策を提案できるようになろう! / Let's be able to propose measures for product growth!
ngtk
14
40k
施策提案ワークショップ / Measures creation workshop
ngtk
3
37k
Swift API Design learning from Cocoa API changes
ngtk
0
890
Page Object Pattern with XCUITest
ngtk
6
2.3k
Atomic Design の導入と実践プロセス
ngtk
4
2.1k
Share Xcode Templates with team
ngtk
2
1.4k
Read the release note of Rails 5.2
ngtk
0
600
Other Decks in Technology
See All in Technology
神回のメカニズムと再現方法/Mechanisms and Playbook for Kamikai scrumat2025
moriyuya
4
520
Flaky Testへの現実解をGoのプロポーザルから考える | Go Conference 2025
upamune
1
420
Exadata Database Service on Dedicated Infrastructure(ExaDB-D) UI スクリーン・キャプチャ集
oracle4engineer
PRO
2
5.4k
Why React!?? Next.jsそしてReactを改めてイチから選ぶ
ypresto
10
4.5k
20250929_QaaS_vol20
mura_shin
0
110
バイブコーディングと継続的デプロイメント
nwiizo
2
420
英語は話せません!それでも海外チームと信頼関係を作るため、対話を重ねた2ヶ月間のまなび
niioka_97
0
120
GA technologiesでのAI-Readyの取り組み@DataOps Night
yuto16
0
270
Oracle Cloud Infrastructure:2025年9月度サービス・アップデート
oracle4engineer
PRO
0
400
20201008_ファインディ_品質意識を育てる役目は人かAIか___2_.pdf
findy_eventslides
0
130
AIが書いたコードをAIが検証する!自律的なモバイルアプリ開発の実現
henteko
1
340
非エンジニアのあなたもできる&もうやってる!コンテキストエンジニアリング
findy_eventslides
3
910
Featured
See All Featured
Dealing with People You Can't Stand - Big Design 2015
cassininazir
367
27k
The Success of Rails: Ensuring Growth for the Next 100 Years
eileencodes
46
7.6k
Building a Modern Day E-commerce SEO Strategy
aleyda
43
7.7k
Fantastic passwords and where to find them - at NoRuKo
philnash
52
3.4k
Building an army of robots
kneath
306
46k
[RailsConf 2023] Rails as a piece of cake
palkan
57
5.9k
Scaling GitHub
holman
463
140k
Improving Core Web Vitals using Speculation Rules API
sergeychernyshev
19
1.2k
Templates, Plugins, & Blocks: Oh My! Creating the theme that thinks of everything
marktimemedia
31
2.5k
Cheating the UX When There Is Nothing More to Optimize - PixelPioneers
stephaniewalter
285
14k
The MySQL Ecosystem @ GitHub 2015
samlambert
251
13k
4 Signs Your Business is Dying
shpigford
185
22k
Transcript
©2018 Wantedly, Inc. Yet another simple logger 19.Apr.2018 - @ngtk,
Kento Nagata
©2018 Wantedly, Inc. Ӭా݈ਓ 8BOUFEMZ *OD&OHJOFFS !OHULOU !OHUL • Wantedly
VisitͷΞϓϦΛ։ൃ͍ͯ͠·͢ • Swift/iOS։ൃΛ͡Ίͯ3ϲ݄͘Β͍ • ͱͱRailsͱ͔React/Reduxͱ͔Σϒͷ։ൃΛ͍ͬͯͨਓ • PotatotipsॳࢀՃ&ॳൃද ☺
©2018 Wantedly, Inc. XcodeͷConsole log׆༻͍ͯ͠·͔͢ʁ
©2018 Wantedly, Inc. ͳΔ͘σόοΨʔΛΘͣʹ ؆୯ʹΛղܾ͍ͨ͠
©2018 Wantedly, Inc. => ϩάΛ׆༻͢Δ
©2018 Wantedly, Inc. ͨͩɺݱঢ়ͷϩάػߏෆຬ͕͋Γ·ͨ͠
©2018 Wantedly, Inc. 1. SwiftͰprint͔͠ͳ͍ͨΊɺ ϥΠϒϥϦͷඪ४ग़ྗίϯτϩʔϧෆՄೳ 2. ϩάϨϕϧ͕ͳ͍ͨΊɺ ͱΓ͋͑ͣprintͰݟͮΒ͘ͳͬͯ͘Δ ϩάػߏͷෆຬ
©2018 Wantedly, Inc. ϥΠϒϥϦͰղܾ͢Δʁ
©2018 Wantedly, Inc. ϩΪϯάͷϥΠϒϥϦ ͍͔ͭ͋͘Γ·͢
©2018 Wantedly, Inc. Swiftybeaver
©2018 Wantedly, Inc. Pros • 3500 Star • ϩάϨϕϧʹରԠ (verbose,
debug, info, warning, error) • ϑΝΠϧίϯιʔϧग़ྗͳͲඪ४Ͱ๛ͳग़ྗઌΦϓγϣϯΛ͍࣋ͬͯΔ • ϩάϨϕϧΛϑΟϧλϦϯάͰ͖ΔΞϓϦ͕͋Δ • ඇಉظͰͷग़ྗʹରԠ͍ͯ͠Δ • ϑΥʔϚοτͷઃఆ Swiftbeaver
©2018 Wantedly, Inc. Cons • ΞϓϦͰจࣈྻΛίϐϖͰ͖ͳ͍ • ༗ྉͷϓϥοτϑΥʔϜ͕͋Γɺྑ͘ѱ͘ϩοΫΠϯ͞ΕΔՄೳੑ͋Γ • ֓Ͷྑ͍͚ͲɺΠϯλʔϑΣΠε͕ඍົͳͱ͜Ζ͕͋Δ
Swiftbeaver
©2018 Wantedly, Inc. ཉ͔ͬͨ͠ͷΛཧ͢Δ
©2018 Wantedly, Inc. 1. ใͷ༏ઌҙຯ͚Λ͢ΔͨΊɺ ϩάϨϕϧ͕΄͍͠ • ඞཁʹԠͯ͡ϑΟϧλϦϯάͯ͠ɺඞཁͳใʹ؆୯ʹΞΫηε͍ͨ͠ 2. ग़ྗઌΛมߋՄೳʹ͍ͨ͠
• ֎෦ʹ͍͛ͨέʔε͕͋Δ • ϑΝΠϧग़ྗͯ͠֎෦ͰϑΟϧλϦϯά͍ͨ͠ ཉ͔ͬͨ͠ͷ
©2018 Wantedly, Inc. 3. σόοάͱϦϦʔεͰڍಈΛ ม͑ΒΕΔΑ͏ʹ͍ͨ͠ • ϦϦʔεςετͰͳʹ͠ͳ͍ͳͲΓସ͍͑ͨ ཉ͔ͬͨ͠ͷ
©2018 Wantedly, Inc. ͜Ε͘Β͍ͩͬͨΒ ࣗͰ͔͚Δ͔ʁ
©2018 Wantedly, Inc. LoggerProtocol
©2018 Wantedly, Inc. LoggerProtocol extension
©2018 Wantedly, Inc. LogContextProtocol and LogContext
©2018 Wantedly, Inc. Logger
©2018 Wantedly, Inc. LogLevel
©2018 Wantedly, Inc. LogDestinationProtocol and StandardOut
©2018 Wantedly, Inc. LogFormatterProtocol
©2018 Wantedly, Inc. ͜͜·Ͱ͕ϥΠϒϥϦίʔυ
©2018 Wantedly, Inc. ϓϩμΫτίʔυͰ ग़ྗઌͱϑΥʔϚολʔΛࢦఆ͢Δ
©2018 Wantedly, Inc. LogDestinationProtocol and StandardOut
©2018 Wantedly, Inc. logger
©2018 Wantedly, Inc. Console output
©2018 Wantedly, Inc. ·ͱΊ
©2018 Wantedly, Inc. 1. γϯϓϧͰ͑ͦ͏ͳͷ͕Ͱ͖ͨ 2. ·࣮ͩݱͰ͖͍ͯͳ͍͜ͱ͋Δ • ඇಉظͷग़ྗ •
ϑΟϧλϦϯάͷγΣϧεΫϦϓτ 3. ຊSwiftͷΤίγεςϜશମͰΘΕΔͷ ͕΄͍͠ʂ ·ͱΊ