dry-validations

Transcript

1. Krzysztof (Christopher) Wawer
   @wafcio about.me/kwawer
   

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2. Our API
   • Roda
   • ROM (Ruby Object Mapper)
   • JSON API standard (http://jsonapi.org)
   

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3. {
   price: 1000
   }
   =>
   {
   price: '1000'
   }
   /\d+/
   

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4. dry-validation
   Piotr Solnica
   Andy Holland
   http://dry-rb.org/gems/dry-validation/
   

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5. Community
   • 17 contributors
   • very active Gitter channel
   https://gitter.im/dry-rb/chat
   • v0.10.1
   • used in hanami-validations, reform
   

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6. Strange and awesome
   things
   

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7. Predicate Logic
   • and ( & )
   • or ( | )
   Dry::Validation.Schema do
   required(:age) { int? & gt?(18) }
   end
   

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8. Optional Keys and Values
   {
   age: 30
   }
   {
   name: nil,
   age: 30
   }
   

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9. Nested data
   {
   name: "John",
   address: {
   street: "Main Street"
   },
   emails: ["john@example.com"]
   }
   

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10. Shared schema
    Dry::Validation.Schema do
    required(:name).filled
    required(:address).schema(AddressSchema)
    end
    

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11. dry-validation
    http://dry-rb.org/gems/dry-validation/
    

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12. Thanks
    @wafcio about.me/kwawer
    

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