Slide 1

Slide 1 text

࣮ફTypeScript τʔΫότϧ TypeScript meetup #2 at FiNC Technologies, 2019/7/10 by FUJI Goro (@__gfx__)

Slide 2

Slide 2 text

ࣗݾ঺հ • FUJI Goro (@__gfx__) • Bit Journey, Inc. ͰKibelaΛ։ൃͯ͠·͢ • Kibela: ϑϩʔͱετοΫ྆ํͷ৘ใΛ͍͍ײ͡ʹ ूੵ͢ΔͨΊͷࣾ಺޲͚ϒϩά / ΢ΟΩαʔϏε • TypeScript, GraphQL·ΘΓΛओʹ΍͍ͬͯΔϑϩϯ τΤϯυدΓͷΤϯδχΞͰ͢

Slide 3

Slide 3 text

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

Slide 4

Slide 4 text

ϨοπτʔΫότϧ ҙݟ͕෼͔Εͦ͏ͳࣄฑʹ͍ͭͯͦΕͧΕ͕ ݟղΛड़΂Δͱ͍͏࣌ؒͰ͢ɻ @__gfx__ @mizchi @takepepe

Slide 5

Slide 5 text

No content

Slide 6

Slide 6 text

No content

Slide 7

Slide 7 text

No content

Slide 8

Slide 8 text

※ strictNullChecks: true ͩͱnullableͳ஋Λ௚ ઀࢖͑ͣɺNNA (expr!) ͔ nullνΣοΫ͕ඞཁ ʹͳΔɻͳ͓NNAΛ཈੍͢Δeslint rule΋͋Δ

Slide 9

Slide 9 text

※ noImplicitAny: true ͩͱ҉໧ͷanyΛ࢖͑ ͳ͘ͳΔɻܕఆٛͷͳ͍Ϟδϡʔϧͷimport ΋ `// @ts-ignore` ͳ͠Ͱ͸Ͱ͖ͳ͘ͳΔɻ

Slide 10

Slide 10 text

No content

Slide 11

Slide 11 text

No content

Slide 12

Slide 12 text

No content

Slide 13

Slide 13 text

No content

Slide 14

Slide 14 text

No content

Slide 15

Slide 15 text

No content