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なぜTypeScriptでつくるWebAssemblyなのか / Why using TypeScript for WebAssembly
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linyows
May 15, 2019
Technology
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なぜTypeScriptでつくるWebAssemblyなのか / Why using TypeScript for WebAssembly
FukuokaJS@Mar 15th 2019でお話しした資料「なぜTypeScriptでつくるWebAssemblyなのか」です
linyows
May 15, 2019
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Transcript
FukuokaJS #8 -TypeScript- TS ͳͥTypeScriptͰͭ͘ΔWebAssemblyͳͷ͔ Tomohisa Oda — GMO Pepabo,
Inc. / Mar 15th 2019
FukuokaJS #8 -TypeScript- linyows / Tomohisa Oda GMO Pepabo, Inc.:
Principal Engineer Blog: https://tomohisaoda.com 2
FukuokaJS #8 -TypeScript- 3 Private Projects https://github.com/linyows ΞϓϦέʔγϣϯ͕ࣗϦϙδτϦ͔Β࠷৽ͷίʔυΛݕ ͯࣗ͠ಈͰσϓϩΠͱσϦόϦʔΛߦ͏πʔϧ linuxͷuser໊લղܾΛGitHubͷTeamϝϯόʔϦϙδτ
ϦͷΞΫηεݖݶऀ͔Βߦ͏πʔϧ
FukuokaJS #8 -TypeScript- Fukuoka.go Organizer 4 https://fukuokago.dev/ ͜ͷՆʢʣʹFGNͰ Go ConferenceΛԬͰ։࠵
https://fukuoka.gocon.jp/
FukuokaJS #8 -TypeScript- WebAssembly ͍ͬͯ·͔͢ʁ 5
FukuokaJS #8 -TypeScript- ͦ͏͍·ͤΜΑͶʁ·ͩͰ͢ʜ! 6
FukuokaJS #8 -TypeScript- lWebAssemblyɺελοΫϕʔεͷԾϚγϯ༻ͷόΠφϦ໋ྩ ϑΥʔϚοτͰ͢ɻWasmɺC/C++/RustͷΑ͏ͳߴڃݴޠͷί ϯύΠϧͷͨΊͷҠ২ੑͷ͋Δλʔήοτͱͯ͠ઃܭ͞Ε͓ͯΓɺ ΫϥΠΞϯτ͓ΑͼαʔόʔΞϓϦέʔγϣϯͷͨΊͷWeb্Ͱͷ ల։ΛՄೳʹ͠·͢ɻz h t
t p s : / / w e b a s s e m b l y. o r g / 7
FukuokaJS #8 -TypeScript- WebAssembry͕ͨΒ͢ͷ w ωΠςΟϒਫ४ͳͷͰߴ͔ͭߴޮͷ࣮ݱ w ԾϚγϯʹΑΓϙʔλϏϦςΟͷߴ͍҆ఆͨ͠ύϑΥʔϚϯεͷ࣮ݱ w ςΩετϑΥʔϚοτͰՄಡੑΛͪσόοάՄೳ
w αϯυϘοΫεڥͱTBNFPSJHJOQPMJDZʹΑΓ҆શͰ͋Δ 8
FukuokaJS #8 -TypeScript- 9 add.wat sample.js add.wasm # ΞηϯϒϦʹม $
wast2wasm add.wat -o add.wasm # ΞηϯϒϦΛग़ྗ $ wast2wasm add.wat -v # ςΩετʹม $ wasm2wast add.wasm -o add.wat
FukuokaJS #8 -TypeScript- .wasmΛͭ͘Δํ๏ w 5FYUʢXBUʣʢͪΐͬͱਏ͘ແ͍͔ͳʣ w $$ &NTDSJQUFOʢϝϞϦཧʹࣗ৴͕͋Γ·ͤΜʣ
w 3VTUPS(Pʢݱ࣮తͰͱͯ༗ྗʣ w 5ZQF4DSJQU "TTFNCMZ4DSJQUʢ"TTFNCMZ4DSJQUͬͯԿͰ͔͢ʁʣ 10
FukuokaJS #8 -TypeScript- https://github.com/AssemblyScript/assemblyscript “AssemblyScript compiles strictly typed TypeScript (basically
JavaScript with types) to WebAssembly using Binaryen. It generates lean and mean WebAssembly modules while being just an npm install away.” 11
FukuokaJS #8 -TypeScript- ԿͰWebAssemblyΛ࡞Ε͍͍Μʁ 12
FukuokaJS #8 -TypeScript- WebAssemblyͷඪͷ̍ͭ w ΣϒΛഁյ͠ͳ͍ࣄWebAssemblyଞͷΣϒٕज़ͱڠௐ͠ɺޙ ํޓੑΛҡ࣋͢ΔΑ͏ʹઃܭ͞Ε·͢ɻ https://developer.mozilla.org/ja/docs/WebAssembly/Concepts WebAssemlyɺଞͷϒϥβϓϥάΠϯʢJava AppletFlashʣͱҧͬͯ
ඳը͕Ͱ͖ͳ͍ͨΊɺJavaScriptͱڞଘ͠ͳ͚ΕͳΒͳ͍ɻ 13
FukuokaJS #8 -TypeScript- ͦ͏ɺJavaScript͕ඞཁͳͷʂ☺ ʢϒϥβલఏͰEdgeίϯςφܥআ͘ʣ 14
FukuokaJS #8 -TypeScript- TypeScript AssemblyScriptͱ͍͏બ w ผݴޠΛशಘ͠ͳͯ͘ྑ͍ʢTSΛशಘ͢Δඞཁ͕͋Γ·͕͢ʣ w ݺͼग़͠ͱ࣮ߦΛಉ͡ݴޠͰཧͰ͖Δͱཧ͍͢͠ w
·ͨɺύϑΥʔϚϯεΛߴΊ͍ͨͱ͖ʹ؆୯ʹΓग़͢͜ͱ͕Ͱ͖Δ w AssemblyScriptͷ࡞ͬͨwasmαΠζ͕খ͍͞ w ύϑΥʔϚϯεCʹྼΔ͕RustʹྼΒͳ͍ 15
FukuokaJS #8 -TypeScript- 16 Ұ෦ͷϒϥβͷJavaScriptͰύϑΥʔϚϯε͕ྼԽ͢Δ՝ΛWASMͰղܾ͢Δʹग़ͯ͘Δൺֱ https://developers.google.com/web/updates/2019/02/hotpath-with-wasm
FukuokaJS #8 -TypeScript- AssemblyScriptͷDemoΛಈ͔͢ https://github.com/AssemblyScript/assemblyscript/tree/master/examples 17
FukuokaJS #8 -TypeScript- ·ͱΊ w WebAssembly੍Λ࣋ͭ͜ͱͰ҆શੑͱ֦ுੑΛطଘٕज़ͱͷ༥߹Λ࣮ݱ ͍ͯ͠Δ w JavaScriptͷύϑΥʔϚϯεվળʹWebAssemblyΛ͏͜ͱͰϒϥβͷ JavaScriptΤϯδϯ࠷దԽΛආ͚Δ͜ͱ͕Ͱ͖Δ
w TypeScriptͱAssemblyScriptΛ͏͜ͱͰWebAssemblyͷෑډ͕Լ͕Δ w ෑډ͕Լ͕Δ͜ͱͰύϑΥʔϚϯεվળʹόϯόϯWasm͑ͦ͏ 18
FukuokaJS #8 -TypeScript- 5ZQF4DSJQUͷίϛϡχςΟ'VLVPLBUTΛͭ͘Γ·ͨ͠ w ͍ۙ͏ͪʹษڧձΛ։࠵͠·͢ w 5ZQF4DSJQUʹಛԽͨ͠ίϛϡχςΟͳͷͰ5ZQF4DSJQUͷઆ໌ϝϦοτΛ ޠΔඞཁ͋Γ·ͤΜ w
5ZQF4DSJQUΛͬͨߴͳ࣮ͷ8FC"TTFNCMZͷΛؾܰʹͰ͖Δ Λͭ͘Γ·͢ w ڵຯ͕͋Δਓɺ'VLVPLBUTͷ4MBDL5FBNʹ+PJO͍ͯͩ͘͠͞ʂ 19
FukuokaJS #8 -TypeScript- 20 4MBDLJOͷ[FJUσϓϩΠࣦഊͯؒ͠ʹ߹Θͳ͔ͬͨɻটϝʔϧΛૹΔ(PPHMF'PSNͰ͢ɻ