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ͦͷJavascriptɺ શ෦TypeScriptʹͪ͠Ό͑ Taro Matsuzawa(@smellman)
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ࣗݾհ ཧۭؒܥΤϯδχΞ ຊUNIXϢʔβձձ/Ұൠࣾஂ๏ਓOSGeoຊࢧ෦ཧࣄ/Ұൠࣾஂ๏ਓΦʔ ϓϯετϦʔτϚοϓϑΝϯσʔγϣϯδϟύϯϝϯόʔ ౦ژిػେֶOB/౦ژిػେֶCySecݱੜ breakcoreΫϥελ ͱݺΕͯ·͢
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ʢୀࡁΈʣ
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OSSͷ׆ಈ React NativeܥϥΠϒϥϦͷվम react-native-static-server (iOSରԠ), redux-persist (ϥΠϒϥϦΛ·Δ͝ͱ TypeScriptʹॻ͖͑Δ) ͳͲ OpenMapTilesϓϩδΣΫτͷߩݙɺཧؔ։ൃ༁ ckanext-spatial (Python3ରԠ) ͳͲ ͦͷଞɺؾ͕͘··ίʔυυΩϡϝϯτΛॻ͍ͯ·͢
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redux-persist ReactͰΑ͘ΘΕΔঢ়ଶͷอ࣋Λ͢Δreduxʹؔ͢ΔϥΠϒϥϦ redux-persistΛ͏ͱঢ়ଶΛLocalStorage(Web)/AsyncStorage(React Native)ͳͲʹอ࣋ͯ͘͠ΕΔ εϚϗΞϓϦͰঢ়ଶΛอଘ͢ΔͷʹศརͳϥΠϒϥϦ
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ಋೖΛݕ౼ͨ݁͠Ռ ϝϯςφϯε͕2͙Β͍์ஔ ϝϯςφʔ͕ډͳ͍ͱ͍͏issue͕์ஔ͞Ε͍ͯΔ Pull RequestԿ͔์ஔ ͳΜͱ͔͍ͨ͠
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ιʔείʔυΛಡΜͰΈΔ οɺFlowͬͯΔ…
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Flow FLOW IS A STATIC TYPE CHECKER FOR JAVASCRIPT Facebook͕࡞ͬͨJavascriptͷ੩తܕνΣοΧʔ Javascriptʹແཧཧܕͷ֓೦ΛೖΕΔ ΊͬͪΌಡΈͮΒ͍ʼʻ
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ܕೖΕΔͳΒ ͏TypeScriptͰ͍͍͡ΌΜʂ
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͍͍͡ΌΜ Flow͕·͡ϝϯςφϯεͷํ͕Θ͔ΒΜ VSCode͕Flowͷόʔδϣϯ͕ҧ͏ͱΤϥʔΛు͖·͘Δ ͦ͜·ͰͪΌΜͱܕ͚͕͞Ε͍ͯΔΘ͚Ͱͳ͍ ໌ࣔతʹanyͬͯॻ͖͍ͨ͡ΌΜ͔͢
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ͱ͍͏Θ͚Ͱ
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ͬͨ͜ͱ શ෦TypeScriptԽɺFlowΛ໓ Travis CI͔ΒGithub Actions Eslint, rollup, ͦͷଞΖΖશ෦ॻ͖͠
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ͱ͍͑ Ϛʔδ͞ΕΔ·Ͱϲ݄͔͔ͬͨ ཧ༝؆୯ɺϝϯςφʔ͕ั·Βͳ͔ͬͨ ઌɺϝϯςφʔͱίϯλΫτΛऔͬͯมΘΓͷϝϯςφʔ͕ग़ ݱͯͬ͠ͱίϝϯτ
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ײँ
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–ckalika “͜Μʹͪɺ͋ͳͨͷϓϧϦΫΤετʹΛ௨͢ͷʹ͕͔͔࣌ؒͬͯ͠·͍ɺਃ͠༁͋Γ·ͤΜͰͨ͠ɻࠓɺ ѱҙͷ͋Δͷҙຯͷͳ͍ͷؚ͕·Ε͍ͯͳ͍͔֬ೝͨ͠ͱ͜ΖͰ͕͢ɺ͜Ε...ɻຊʹײಈ͠·͠ ͨɻcreateAsyncLocalStorage()ʹkeysྻΛՃͯ͠Ұ؏ੑΛ࣋ͨͤΔͳͲɺࡉ෦ʹ·ͰؾΛͬͨ ྗʹײँ͠·͢ɻ ࠓͷͱ͜Ζςετ͋·Γ͍ͯ͠ͳ͍ͷͰɺ༧֎ͷ݁ՌʹͳΔՄೳੑ͋Γ·͢ɻͦ͠͏ͳͬͨΒɺέʔ εόΠέʔεͰରॲ͠·͕͢ɺࢲؒҧ͍ͳ͋͘ͳͨͷมߋηοτΛਐΊΔ͖ͩͱࢥ͍·͢ɻࡉ͔͍मਖ਼ ʢύοέʔδͷόʔδϣϯɺREADME.mdͷߋ৽ͳͲʣΛՃ͍͑ͨͱࢥ͍·͕͢ɺͦΕΒ͕Ͱ͖ͨΒɺتΜ ͰϚʔδ͠·͢ɻ TypeScriptͷҠߦͱΠϯϑϥͷۙԽɺඇৗʹॏཁͰҙٛਂ͍ࣄۀͰ͢ɻ͜ΕʹΑΓɺΑΓҰ؏ੑͷ͋ ΔɺΑΓଟ͘ͷςετΛߦ͏͜ͱ͕Ͱ͖ΔΑ͏ʹͳΓ·͢ͷͰɺվΊͯײँ͍ͨ͠·͢ɻ”
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ۤ࿑ใΘΕΔ TypeScriptԽʹΑͬͯΑΓςετ͘͢͠ͳͬͨ શମతͳݟ௨͠ fl owͰத్ʹܕΛ͚ͭΔΑΓΘ͔Γ͘͢ ͳͬͨ(ओ؍ ͜ΕͰͬͱଞͷਓϝϯςφϯεʹՃΘΕΔΑ͏ʹͳͬͨ ͜͜ॏཁͰ͢Αʂ
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·ͱΊ JavascriptͰॻ͔Ε͍ͯΔͷTypeScriptԽͨ͠ํ͕ྑ͍ྫ͋Δ ༐ؾΛͩͯ͠Pull RequestΛग़͢ͷ͕ॏཁ
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͝੩ௌ͋͟·Δਫ࢈