実践TypeScriptトークバトル

TypeScript meetup #2, 2019/07/10

Transcript

1. ࣮ફTypeScript τʔΫότϧ TypeScript meetup #2 at FiNC Technologies, 2019/7/10 by FUJI Goro (@__gfx__)
2. ࣗݾ঺հ • FUJI Goro (@__gfx__) • Bit Journey, Inc. ͰKibelaΛ։ൃͯ͠·͢ • Kibela: ϑϩʔͱετοΫ྆ํͷ৘ใΛ͍͍ײ͡ʹ ूੵ͢ΔͨΊͷࣾ಺޲͚ϒϩά / ΢ΟΩαʔϏε • TypeScript, GraphQL·ΘΓΛओʹ΍͍ͬͯΔϑϩϯ τΤϯυدΓͷΤϯδχΞͰ͢
3. https://scrapbox.io/gfx/%E3%81%8C%E3%82%93%E3%81%B0%E3%82%89%E3%81%AA%E3%81%84TypeScript_%E5%AE%9F%E8%B7%B5%E7%B7%A8
4. ϨοπτʔΫότϧ ҙݟ͕෼͔Εͦ͏ͳࣄฑʹ͍ͭͯͦΕͧΕ͕ ݟղΛड़΂Δͱ͍͏࣌ؒͰ͢ɻ @__gfx__ @mizchi @takepepe
8. ※ strictNullChecks: true ͩͱnullableͳ஋Λ௚ ઀࢖͑ͣɺNNA (expr!) ͔ nullνΣοΫ͕ඞཁ ʹͳΔɻͳ͓NNAΛ཈੍͢Δeslint rule΋͋Δ
9. ※ noImplicitAny: true ͩͱ҉໧ͷanyΛ࢖͑ ͳ͘ͳΔɻܕఆٛͷͳ͍Ϟδϡʔϧͷimport ΋ `// @ts-ignore` ͳ͠Ͱ͸Ͱ͖ͳ͘ͳΔɻ