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Scala目的で入社した人間が、如何にして「はてなブックマーク」のフロントエンド改善活動を行う...
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lunastera
January 27, 2022
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Scala目的で入社した人間が、如何にして「はてなブックマーク」のフロントエンド改善活動を行うようになったのか
Hatena Engineer Seminar #18
https://hatena.connpass.com/event/235821/
lunastera
January 27, 2022
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Transcript
2022/01/26 Hatena Engineer Seminar #18
ࣗݾհ id: lunasteraʢ͑Βʣ ͯͳϒοΫϚʔΫνʔϜ Scala͕͖
ԿΛ͍ͯ͠Δͷ ϑϩϯτΤϯυɺͬͯ·͢ Scala.jsͰͳ͍Ͱ͢
ScalaతͰೖࣾͨ͠ਓ͕ؒ Կʹͯ͠ʮͯͳϒοΫϚʔΫʯͷ ϑϩϯτΤϯυվળ׆ಈΛߦ͏Α͏ʹͳͬͨͷ͔
ͯͳϒοΫϚʔΫ
QSPYZ ΞʔΩςΫνϟ $PSF"1* #'' NJDSP TFSWJDFT ྨٛޠݕࡧ ʜ ʜ
ΠϯλʔϯͷՌ $PSF"1* NJDSP TFSWJDFT ྨٛޠݕࡧ ʜ ʜ
ೖࣾ·Ͱ ࣮͜ͷ࣌ͰϑϩϯτΤϯυʹۤखҙ͕ࣝ͋ͬͨ Πϯλʔϯ ΞϧόΠτ ೖࣾ ։ൃମݧྑ
ࣗԿ͕Ͱ͖Δ͔ ରԠൣғΛ͛Δ׆ಈ 4DBMBʁ ϑϩϯτʁ Πϯϑϥʁ σʔλج൫ʁ
ϑϩϯτΤϯυͷᬍ • ͋·ΓϞμϯͳײ͡Ͱͳ͍ • όοΫΤϯυ͕ڧ͍ਓ͕ଟ͍ όοΫΤϯυ ϑϩϯτΤϯυ ࣗͰʜʁ
ࣗൃతͳվળ׆ಈ • ௐࠪ / ݕূ -> վળҊ • ScrapboxʹվળΛྻڍ •
ؒҧ͍ͬͯΔ͔ͱ͍͏ෆ҆ • ৽ଔͱ͍͏६Λར༻ͯ͠ͱΓ͋͑ͣઓ
վળఏҊྫ • tscon fi g ͷ target / module Λదͳʹ
• ෆཁʹͳͬͨpoly fi llΛফ͢ • ඇਪύοέʔδͷҠߦ • lodashग़ • ग़ͷͨΊͷରԠදͳͲ࡞ • Ϗϧυ࣌ؒ / όϯυϧαΠζվળ • ͲͷఔͷޮՌ͕ظͰ͖Δͷ͔
WebΤϯδχΞձ • WebΤϯδχΞ͕ٞΛ࣋ͪدͬͯٞ • ϑϩϯτΤϯυվળҊΛ͍࣋ͬͯͬͨ ʹཱͯͨʂ
վળҊͷ࣮ߦ • ͋͘·ͰεϓϦϯτλεΫ༏ઌ • ࡉ͔͍ۭ͖࣌ؒʹগͣͭ͠ • όϯυϧαΠζ 1/2ɺϏϧυ࣌ؒ 1/3 •
੩తϑΝΠϧϏϧυͪͷ͕࣌ؒݮʂ
ϑϩϯτΤϯυձ • ϑϩϯτΤϯυใΛڞ༗͢Δձ • ׆ಈΛଓ͚ΔϞνϕʔγϣϯʹ 99νʔϜ ϒΫϚνʔϜ 99νʔϜ
νʔϜͷϑϩϯτΤϯυվળେਉ • ͜Ε·ͰͷܦݧͰࣗ৴͕͍ͭͨ • ੵۃతʹϝϯς͢Δ͜ͱΛܾҙ • ޭମݧ͕ϑϩϯτΤϯυͷۤखҙࣝΛม͑ͨ
·ͱΊ • ઓ͢Δେ͞ • ❌ ৽ଔ͔ͩΒઓ͠ͳ͍ • ⭕ ৽ଔ͔ͩΒͦ͜ઓ͢Δ •
Γ͍ͨ͜ͱΛ໌֬ʹ • ԿނΓ͍ͨͷ͔ / ԿނͦΕ͕ඞཁͳͷ͔