Yet another simple logger

Transcript

1. ©2018 Wantedly, Inc. Yet another simple logger 19.Apr.2018 - @ngtk,

   Kento Nagata

2. ©2018 Wantedly, Inc. Ӭా
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   &OHJOFFS !OHULOU !OHUL • Wantedly

   VisitͷΞϓϦΛ։ൃ͍ͯ͠·͢ • Swift/iOS։ൃΛ͸͡Ίͯ3ϲ݄͘Β͍ • ΋ͱ΋ͱ͸Railsͱ͔React/Reduxͱ͔΢Σϒͷ։ൃΛ΍͍ͬͯͨਓ • PotatotipsॳࢀՃ&ॳൃද ☺

3. ©2018 Wantedly, Inc. XcodeͷConsole log׆༻͍ͯ͠·͔͢ʁ

4. ©2018 Wantedly, Inc. ͳΔ΂͘σόοΨʔΛ࢖Θͣʹ
 ؆୯ʹ໰୊Λղܾ͍ͨ͠

5. ©2018 Wantedly, Inc. => ϩάΛ׆༻͢Δ

6. ©2018 Wantedly, Inc. ͨͩɺݱঢ়ͷϩάػߏ͸ෆຬ͕͋Γ·ͨ͠

7. ©2018 Wantedly, Inc. 1. SwiftͰ͸print͔͠ͳ͍ͨΊɺ
 ϥΠϒϥϦͷඪ४ग़ྗ͸ίϯτϩʔϧෆՄೳ 2. ϩάϨϕϧ͕ͳ͍ͨΊɺ
 ͱΓ͋͑ͣprintͰݟͮΒ͘ͳͬͯ͘Δ ϩάػߏ΁ͷෆຬ

8. ©2018 Wantedly, Inc. ϥΠϒϥϦͰղܾ͢Δʁ

9. ©2018 Wantedly, Inc. ϩΪϯάͷϥΠϒϥϦ͸
 ͍͔ͭ͋͘Γ·͢

10. ©2018 Wantedly, Inc. Swiftybeaver

11. ©2018 Wantedly, Inc. Pros • 3500 Star • ϩάϨϕϧʹରԠ (verbose,

    debug, info, warning, error) • ϑΝΠϧ΍ίϯιʔϧ΁ग़ྗͳͲඪ४Ͱ๛෋ͳग़ྗઌΦϓγϣϯΛ͍࣋ͬͯΔ • ϩάϨϕϧΛϑΟϧλϦϯάͰ͖ΔΞϓϦ͕͋Δ • ඇಉظͰͷग़ྗʹରԠ͍ͯ͠Δ • ϑΥʔϚοτͷઃఆ Swiftbeaver

12. ©2018 Wantedly, Inc. Cons • ΞϓϦͰจࣈྻΛίϐϖͰ͖ͳ͍ • ༗ྉͷϓϥοτϑΥʔϜ͕͋Γɺྑ͘΋ѱ͘΋ϩοΫΠϯ͞ΕΔՄೳੑ͋Γ • ֓Ͷྑ͍͚ͲɺΠϯλʔϑΣΠε͕ඍົͳͱ͜Ζ͕͋Δ

    Swiftbeaver

13. ©2018 Wantedly, Inc. ཉ͔ͬͨ͠΋ͷΛ੔ཧ͢Δ

14. ©2018 Wantedly, Inc. 1. ৘ใͷ༏ઌ౓΍ҙຯ෇͚Λ͢ΔͨΊɺ
 ϩάϨϕϧ͕΄͍͠ • ඞཁʹԠͯ͡ϑΟϧλϦϯάͯ͠ɺඞཁͳ৘ใʹ؆୯ʹΞΫηε͍ͨ͠ 2. ग़ྗઌΛมߋՄೳʹ͍ͨ͠

    • ֎෦ʹ౤͍͛ͨέʔε͕͋Δ • ϑΝΠϧग़ྗͯ͠֎෦ͰϑΟϧλϦϯά͍ͨ͠ ཉ͔ͬͨ͠΋ͷ

15. ©2018 Wantedly, Inc. 3. σόοάͱϦϦʔεͰڍಈΛ
 ม͑ΒΕΔΑ͏ʹ͍ͨ͠ • ϦϦʔε΍ςετͰ͸ͳʹ΋͠ͳ͍ͳͲ੾Γସ͍͑ͨ ཉ͔ͬͨ͠΋ͷ

16. ©2018 Wantedly, Inc. ͜Ε͘Β͍ͩͬͨΒ
 ࣗ෼Ͱ͔͚Δ͔΋ʁ

17. ©2018 Wantedly, Inc. LoggerProtocol

18. ©2018 Wantedly, Inc. LoggerProtocol extension

19. ©2018 Wantedly, Inc. LogContextProtocol and LogContext

20. ©2018 Wantedly, Inc. Logger

21. ©2018 Wantedly, Inc. LogLevel

22. ©2018 Wantedly, Inc. LogDestinationProtocol and StandardOut

23. ©2018 Wantedly, Inc. LogFormatterProtocol

24. ©2018 Wantedly, Inc. ͜͜·Ͱ͕ϥΠϒϥϦίʔυ

25. ©2018 Wantedly, Inc. ϓϩμΫτίʔυͰ͸
 ग़ྗઌͱϑΥʔϚολʔΛࢦఆ͢Δ

26. ©2018 Wantedly, Inc. LogDestinationProtocol and StandardOut

27. ©2018 Wantedly, Inc. logger

28. ©2018 Wantedly, Inc. Console output

29. ©2018 Wantedly, Inc. ·ͱΊ

30. ©2018 Wantedly, Inc. 1. γϯϓϧͰ࢖͑ͦ͏ͳ΋ͷ͕Ͱ͖ͨ 2. ·࣮ͩݱͰ͖͍ͯͳ͍͜ͱ΋͋Δ • ඇಉظͷग़ྗ •

    ϑΟϧλϦϯάͷγΣϧεΫϦϓτ 3. ຊ౰͸SwiftͷΤίγεςϜશମͰ࢖ΘΕΔ΋ͷ
 ͕΄͍͠ʂ ·ͱΊ