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unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["activerecord","rails","ruby","validations"],"created_at":"2024-11-09T11:16:47.836Z","updated_at":"2026-02-26T01:47:04.776Z","avatar_url":"https://github.com/notus-sh.png","language":"Ruby","funding_links":["https://opencollective.com/notus-sh"],"categories":[],"sub_categories":[],"readme":"# ActiveModel::Validations::Reflection\n\n[![Unit tests](https://github.com/notus-sh/active_model_validations_reflection/actions/workflows/unit-tests.yml/badge.svg?branch=main)](https://github.com/notus-sh/active_model_validations_reflection/actions/workflows/unit-tests.yml)\n[![Gem Version](https://badge.fury.io/rb/active_model_validations_reflection.svg)](https://badge.fury.io/rb/active_model_validations_reflection)\n\n`ActiveModel::Validations::Reflection` extends `ActiveModel` reflection capabilities on validations.\n\n## Installation\n\n`ActiveModel::Validations::Reflection` is distributed as a gem and available on [rubygems.org](https://rubygems.org/gems/active_model_validations_reflection) so you can add it to your `Gemfile` or install it manually with:\n\n```ruby\ngem install active_model_validations_reflection\n```\n\n## Usage\n\n`ActiveModel`, at least since 3.0, provide a basic mechanism to inspect validations on a model through [`ActiveModel::Validations::ClassMethods#validators`](https://api.rubyonrails.org/classes/ActiveModel/Validations/ClassMethods.html#method-i-validators) and [`ActiveModel::Validations::ClassMethods#validators_on`](https://api.rubyonrails.org/classes/ActiveModel/Validations/ClassMethods.html#method-i-validators_on).\n\nThis extends it with easier filtering on validators on class level and contextual filtering on instance level.\n\n### `.validators_of_kinds(*kinds)` \u0026 `.validators_on_of_kinds(attribute, *kinds)`\n\n`.validators_of_kinds` \u0026 `.validators_on_of_kinds` are class methods to filter validators by kind, respectively on all or a single attribute.\n\nAny kind supported by [`validates`](https://api.rubyonrails.org/classes/ActiveModel/Validations/ClassMethods.html#method-i-validates) (`:presence` , `:inclusion`, `:uniqueness`, or custom validator's kind) can be used to filter validators.\n\n```ruby\nclass Article \u003c ApplicationRecord\n  include ActiveModel::Validations::Reflection\n  \n  validates :date,\n            presence: true,\n            timeliness: { type: :date }\nend\n\nArticle.validators_of_kinds(:presence)\n# =\u003e [#\u003cActiveModel::Validations::PresenceValidator […]\u003e]\nArticle.validators_on_of_kinds(:date, :timeliness)\n# =\u003e [#\u003cValidatesTimeliness::Validator […]\u003e]\n```\n\n### `.flat_validators_of_kinds(*kinds)` \u0026 `.flat_validators_on_of_kinds(attribute, *kinds)`\n\nSame as the above two but only return validators without conditions (`:if` / `:unless`).\n\n```ruby\nclass Article \u003c ApplicationRecord\n  include ActiveModel::Validations::Reflection\n  \n  enum :status, %i[draft published]\n  \n  validates :date,\n            presence: true,\n            timeliness: { type: :date, if: :published? }\nend\n\nArticle.validators_of_kinds(:presence)\n# =\u003e [#\u003cActiveModel::Validations::PresenceValidator […]\u003e]\nArticle.validators_on_of_kinds(:date, :timeliness)\n# =\u003e []\n```\n\n### `#relevant_validators(*kinds)` \u0026 `#relevant_validators_on(attribute, *kinds)`\n\nReturns validator that will be applied considering the instance current state: flat validators and conditional validators whose condition is met.  \n\n```ruby\nclass Article \u003c ApplicationRecord\n  include ActiveModel::Validations::Reflection\n  \n  enum :status, %i[draft published]\n  \n  validates :date,\n            presence: true,\n            timeliness: { type: :date, if: :published? }\nend\n\narticle = Article.new\narticle.relevant_validators\n# =\u003e [#\u003cActiveModel::Validations::PresenceValidator […]\u003e]\narticle.relevant_validators_on(:date)\n# =\u003e [#\u003cActiveModel::Validations::PresenceValidator […]\u003e]\n\narticle.status = :published\narticle.relevant_validators_on(:date)\n# =\u003e [#\u003cActiveModel::Validations::PresenceValidator […]\u003e, #\u003cValidatesTimeliness::Validator […]\u003e]\n```\n\n## Contributing\n\nBug reports and pull requests are welcome on GitHub at \u003chttps://github.com/notus-sh/active_model_validations_reflection\u003e.\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fnotus-sh%2Factive_model_validations_reflection","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fnotus-sh%2Factive_model_validations_reflection","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fnotus-sh%2Factive_model_validations_reflection/lists"}