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2022/01/26
Hatena Engineer Seminar #18
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ࣗݾհ
id: lunasteraʢ͑Βʣ
ͯͳϒοΫϚʔΫνʔϜ
Scala͕͖
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ԿΛ͍ͯ͠Δͷ
ϑϩϯτΤϯυɺͬͯ·͢
Scala.jsͰͳ͍Ͱ͢
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ScalaతͰೖࣾͨ͠ਓ͕ؒ
Կʹͯ͠ʮͯͳϒοΫϚʔΫʯͷ
ϑϩϯτΤϯυվળ׆ಈΛߦ͏Α͏ʹͳͬͨͷ͔
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ͯͳϒοΫϚʔΫ
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QSPYZ
ΞʔΩςΫνϟ
$PSF"1*
#''
NJDSP
TFSWJDFT
ྨٛޠݕࡧ
ʜ
ʜ
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ΠϯλʔϯͷՌ
$PSF"1*
NJDSP
TFSWJDFT
ྨٛޠݕࡧ
ʜ
ʜ
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ೖࣾ·Ͱ
࣮͜ͷ࣌ͰϑϩϯτΤϯυʹۤखҙ͕ࣝ͋ͬͨ
Πϯλʔϯ ΞϧόΠτ ೖࣾ
։ൃମݧྑ
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ࣗԿ͕Ͱ͖Δ͔
ରԠൣғΛ͛Δ׆ಈ
4DBMBʁ
ϑϩϯτʁ
Πϯϑϥʁ
σʔλج൫ʁ
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ϑϩϯτΤϯυͷᬍ
• ͋·ΓϞμϯͳײ͡Ͱͳ͍
• όοΫΤϯυ͕ڧ͍ਓ͕ଟ͍
όοΫΤϯυ ϑϩϯτΤϯυ
ࣗͰʜʁ
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ࣗൃతͳվળ׆ಈ
• ௐࠪ / ݕূ -> վળҊ
• ScrapboxʹվળΛྻڍ
• ؒҧ͍ͬͯΔ͔ͱ͍͏ෆ҆
• ৽ଔͱ͍͏६Λར༻ͯ͠ͱΓ͋͑ͣઓ
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վળఏҊྫ
• tscon
fi
g ͷ target / module Λదͳʹ
• ෆཁʹͳͬͨpoly
fi
llΛফ͢
• ඇਪύοέʔδͷҠߦ
• lodashग़
• ग़ͷͨΊͷରԠදͳͲ࡞
• Ϗϧυ࣌ؒ / όϯυϧαΠζվળ
• ͲͷఔͷޮՌ͕ظͰ͖Δͷ͔
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WebΤϯδχΞձ
• WebΤϯδχΞ͕ٞΛ࣋ͪدͬͯٞ
• ϑϩϯτΤϯυվળҊΛ͍࣋ͬͯͬͨ
ʹཱͯͨʂ
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վળҊͷ࣮ߦ
• ͋͘·ͰεϓϦϯτλεΫ༏ઌ
• ࡉ͔͍ۭ͖࣌ؒʹগͣͭ͠
• όϯυϧαΠζ 1/2ɺϏϧυ࣌ؒ 1/3
• ੩తϑΝΠϧϏϧυͪͷ͕࣌ؒݮʂ
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ϑϩϯτΤϯυձ
• ϑϩϯτΤϯυใΛڞ༗͢Δձ
• ׆ಈΛଓ͚ΔϞνϕʔγϣϯʹ
99νʔϜ ϒΫϚνʔϜ 99νʔϜ
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νʔϜͷϑϩϯτΤϯυվળେਉ
• ͜Ε·ͰͷܦݧͰࣗ৴͕͍ͭͨ
• ੵۃతʹϝϯς͢Δ͜ͱΛܾҙ
• ޭମݧ͕ϑϩϯτΤϯυͷۤखҙࣝΛม͑ͨ
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·ͱΊ
• ઓ͢Δେ͞
•
❌ ৽ଔ͔ͩΒઓ͠ͳ͍
•
⭕ ৽ଔ͔ͩΒͦ͜ઓ͢Δ
• Γ͍ͨ͜ͱΛ໌֬ʹ
• ԿނΓ͍ͨͷ͔ / ԿނͦΕ͕ඞཁͳͷ͔