YARD with RBS Syntax - Speaker Deck

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YARD with RBS Syntax Omotesando.rb #87 2023/07/06 1

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ࣗݾ঺հ • ໊લ: ਖ਼ಙ ޼(aka: ਆ଎) • ձࣾ: - • GitHub: @sinsoku (ը૾ӈ্) • Twitter: @sinsoku_listy (ը૾ӈԼ) • ޷͖ͳݴޠ: Rust • Railsྺ: 8೥͘Β͍ 2

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ઌ݄͔ΒRBSΛ࢖͍࢝Ί·ͨ͠ 3

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͖͔͚ͬ: MedPeerͷϒϩά 4

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ࣾ಺ͷ૯ҙ: ܕͷԸܙΛड͚͍ͨ ʢͨͩ͠ܕ͸ࣗ෼Ͱॻ͖ͨ͘͸ͳ͍ʣ 5

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RBSಋೖͷํ਑ • *.rbs ͸ࣗಈੜ੒͢Δ • rbs collection • rbs prototype • sord1 ʢYARD -> rbsʣ • gemͷෆ଍ͯ͠Δܕఆٛ͸࠷খݶ͚ͩ༻ҙ 1 https://github.com/AaronC81/sord 6

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ಋೖͷৄࡉ͸ׂѪʢͨͿΜϒϩάॻ͘ʣ 7

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͔͜͜Βຊ୊ 8

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Α͋͘ΔYARDͷྫ class User # @param item [Item] ΞΠςϜ # @param amount [Integer] ਺ྔ # @param coupon [Coupon] Ϋʔϙϯ # @return [Boolean] ߪೖͷ੒ޭ/ࣦഊ def buy(item, amount, coupon = nil); end end 9

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୭΋େͨ͠આ໌Λॻ͍͍ͯͳ͍ 10

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ීஈ͸ܕ͚ͩॻ͚͹े෼Ͱ͸ʁ 2 2 େࣄͳ෦෼ʹ͸આ໌Λॻ͚͘ͲɺܕͱҾ਺໊Ͱे෼ͳέʔε΋ଟ͍ɻ 11

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ͦΜͳgemΛ࡞Γ·ͨ͠ 12

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! yard-sig https://github.com/sinsoku/yard-sig 13

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͜Ε͕ class User # @param item [Item] ΞΠςϜ # @param amount [Integer] ਺ྔ # @param coupon [Coupon] Ϋʔϙϯ # @return [Boolean] ߪೖͷ੒ޭ/ࣦഊ def buy(item, amount, coupon = nil); end end 14

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͜͏ͳΔ class User # @!sig (Item, Integer, ?Coupon) -> bool def buy(item, amount, coupon = nil); end end 15

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yard-sig • YARDϓϥάΠϯ • yard doc --plugin sig Ͱ࢖༻Մ3 • จ๏͸RBS Syntaxͱಉ͡ • ಺෦Ͱ @param ΍ @return ͳͲͷλάʹม׵ 3 .yardopts ʹ --plugin sig Λࢦఆ͢Δͱָ 16

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σϞʢϦϦʔε࡞ۀʣ 17

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͓·͚: Rails v7.0.5ͷ has_one ͕ਏ͍ 18

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໰୊ͷཁ໿ طଘϨίʔυ͕͋Δͱ͖ͷ create_association ͷڍಈ͕มΘΔɻ • v7.0.4: save(validate, INSERT) -> destroy(DELETE) • v7.0.5: destroy(DELETE) -> save(validate, INSERT) v7.0.4·Ͱ͸ผʑͷτϥϯβΫγϣϯͰɺόϦσʔγϣϯʹࣦഊ͠ ͯ΋طଘϨίʔυ͕࡟আ͞Ε͍ͯͨɻ 19

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Өڹ͕͋Δέʔε 1. Uniquness Validator4 2. UNIQ constraint 3. DBґଘͷCustom Validation • ྫ: ϨίʔυΛ࡞੒͔ͯ͠Β10෼Ҏ಺ 4 v7.0.4Ͱ΋όάͬͯΔͷͰɺجຊతʹ͸ؾʹ͢Δඞཁ͕ͳ͍͸ͣɻ 20

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rails/rails#48643 21