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Yet another simple logger
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Kento Nagata
April 19, 2018
Technology
2
1.9k
Yet another simple logger
Kento Nagata
April 19, 2018
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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