VRTと真面目に向き合う

https://potatotips.connpass.com/event/376432/

Transcript

1. VRTͱਅ໘໨ʹ޲͖߹͏ potatotips #94 2026/01/23 !IJSBHSBN 
2. Speaker w !IJSBHSBN w J04ΞϓϦΤϯδχΞ d !IJSBHSBN 
3. VRTͱ͸ w 7JTVBM
   3FHSFTTJPO
   5FTU w ίʔυมߋલޙͷεΫϦʔϯγϣοτಉ࢜Λൺֱ͠ɺݟͨ໨ͷมԽΛ ݕग़͢ΔͨΊͷςετ w ਖ਼͍͠ঢ়ଶͷεΫϦʔϯγϣοτΛϦϑΝϨϯεͱͯ͠อଘ͓ͯ͠ ͘ w QPJOUGSFFDPTXJGUTOBQTIPUUFTUJOH
   ͳͲ !IJSBHSBN 
4. ࠓ೔࿩͢͜ͱ w 1SFWJFXTΛ735ͷςετέʔεʹ͢Δ w 1VMM
   3FRVFTUͱ$* w ͳͥࠓ735ΛؤுΔ͔ !IJSBHSBN 
5. !IJSBHSBN 
6. Previews w 9DPEFͰ4XJGU6*
   7JFXΛϓϨϏϡʔ w )PU
   SFMPBE w #Preview
   PreviewProvider
   @Previewable !IJSBHSBN 
7. Prefire w IUUQTQSFpSFSV w (JU)VC
   #BSSFE&XF1SFpSF w 4XJGU1.
   1MVHJOͱͯ͠ಋೖ͢Δ͚ͩͰɺط ଘͷ1SFWJFXT͔Β735ͷςετέʔεΛੜ ੒Ͱ͖ΔΑ͏ʹͳΔ w ը૾ൺֱ෦෼͸
   QPJOUGSFFDPTXJGU TOBQTIPUUFTUJOH !IJSBHSBN 
8. Example #Preview("Colorful Tiles") { VStack(spacing: 40) { RoundedRectangle(cornerRadius: 8) .fill(Color.pink) RoundedRectangle(cornerRadius: 8) .fill(Color.cyan) RoundedRectangle(cornerRadius: 8) .fill(Color.orange) } .padding(40) .prefireEnabled() } !IJSBHSBN 
9. Example func test_ColorfulTiles_Preview() { let preview = { VStack(spacing: 40) { RoundedRectangle(cornerRadius: 8) .fill(Color.pink) RoundedRectangle(cornerRadius: 8) .fill(Color.cyan) RoundedRectangle(cornerRadius: 8) .fill(Color.orange) } .padding(40) .prefireEnabled() } let isScreen = true if let failure = assertSnapshots( for: PrefireSnapshot( preview(), name: "Colorful Tiles", isScreen: isScreen, device: deviceConfig) ) { XCTFail(failure) } } !IJSBHSBN 
10. ΧελϜςϯϓϨʔτ w 4UFODJMͷΧελϜςϯϓϨʔτͰɺੜ੒͞ΕΔςετίʔυͷ಺༰Λ ίϯτϩʔϧͰ͖Δ w ೔ຊޠӳޠͱΧϥʔεΩʔϜͷ໌҉Ͱύλʔϯͷεφοϓγϣοτ Λ࡞ΔΑ͏ʹΧελϜςϯϓϨʔτΛ࡞ͬͯΔ !IJSBHSBN 
11. Pull ReqeustͱCI w ςετͷ࣮ߦͱ͸ผʹɺ%BOHFSΛ$*Ͱ࣮ߦ w ϦϑΝϨϯεը૾ʹEJ⒎͕͋Δ ΞϓϦͷ6* ʹมߋ͕͋Δ ͱ͖ɺCFGPSFBGUFSEJ⒎Λ 13ʹίϝϯτͰషΔ !IJSBHSBN 
12. ͳͥඞཁ͔ w "*ίʔσΟϯά࣌୅ʹͳͬͯ735ͷՁ஋͕ ্͕͍ͬͯΔ w ίʔυϨϏϡʔͷෛՙ͕ߴ͍ w ίʔυͷEJ⒎͚ͩͰҙਤ͠ͳ͍ը໘ͷม ߋյΕΛݟ͚ͭΔͷ͕೉͍͠ w ि຤͚ͩ΍ͬͯΔݸਓΞϓϦɺϲ݄Ͱ
    13T !IJSBHSBN 
13. w σβΠϯγεςϜ΍ίϯϙʔωϯτͷڞ௨Խ͕ൃୡ͢Δ΄Ͳɺʮ͍͡ Γ͔ͨͬͨͷͱ͸ผͷը໘ʹ΋ݟͨ໨ͷมߋ͕ٴͿʯ͕ى͜Γ΍͘͢ ͳΔ w "*͸ࢦࣔ͞ΕͨλεΫʹूத͢ΔͷͰɺ෭࡞༻తʹӨڹ͕͋ͬͨը໘ ʹ͍ͭͯ͸ݟམͱ͕ͪ͠ w ϩʔΧϥΠζɺΧϥʔεΩʔϜ·Ͱ໢ཏͨ͠ݟͨ໨ͷ֬ೝ͸ίετ͕ ߴ͍ w ΍Ζ͏ͱࢥ͑͹ෳ਺ͷը໘αΠζͰͷ735΋Ͱ͖Δ !IJSBHSBN 
14. ͓ΘΓ !IJSBHSBN