https://github.com/apotonick/declarative

DSL for nested schemas.
https://github.com/apotonick/declarative

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json-parser rack sinatra activejob activerecord mvc json-serialization xml-parser xml-serialization

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Repository metadata

DSL for nested schemas.

Host: GitHub
URL: https://github.com/apotonick/declarative
Owner: apotonick
License: mit
Created: 2015-06-25T02:38:00.000Z (over 10 years ago)
Default Branch: master
Last Pushed: 2025-06-24T10:14:55.000Z (8 months ago)
Last Synced: 2026-02-24T16:58:00.825Z (7 days ago)
Language: Ruby
Size: 86.9 KB
Stars: 22
Watchers: 1
Forks: 9
Open Issues: 4
Releases: 0
Metadata Files:
- Readme: README.md
- Changelog: CHANGES.md
- License: LICENSE.txt

Declarative

DSL for nested schemas.

Overview

Declarative allows declaring nested schemas.

Installation

Add this line to your application's Gemfile:

gem 'declarative'

Declarative::Schema

Include this into a class or module to allow defining nested schemas using the popular ::property DSL.

Normally, an abstract base class will define essential configuration.

class Model
 extend Declarative::Schema

  def self.default_nested_class
    Model
  end
end

Concrete schema-users simply derive from the base class.

class Song < Model
  property :id

  property :artist do
    property :id
    property :name
  end
end

This won't do anything but populate the ::definitions graph.

Song.definitions #=>

<Definition "id">
<Definition "artist" nested=..>
  <Definition "id">
  <Definition "name">

The nested schema will be a subclass of Model.

Song.definitions.get(:artist) #=> <Anonymous:Model definitions=..>

Overriding Nested Building

When declaring nested schemas, per default, Declarative will use its own Schema::NestedBuilder to create the nested schema composer.

Override ::nested_builder to define your own way of doing that.

class Model
  extend Declarative::Schema

  def self.default_nested_class
    Model
  end

  def self.nested_builder
    ->(options) do
      Class.new(Model) do
        class_eval &options[:_block] # executes `property :name` etc. on nested, fresh class.
      end
    end
  end
end

Features

You can automatically include modules into all nested schemas by using ::feature.

class Model
  extend Declarative::Schema
  feature Bla

Defaults

class Model
  extend Declarative::Schema
  defaults visible: true

Copyright

Owner metadata

Name: Nick Sutterer
Login: apotonick
Email:
Kind: user
Description:
Website: http://trailblazer.to
Location:
Twitter:
Company: @trailblazer
Icon url: https://avatars.githubusercontent.com/u/10406?u=07fb57ecf10f63b322e0a4edced970d0de9a3aa0&v=4
Repositories: 73
Last ynced at: 2023-04-09T04:55:32.052Z
Profile URL: https://github.com/apotonick

GitHub Events

Total

Issue comment event: 7
Push event: 1
Pull request event: 1
Fork event: 1

Last Year

Issue comment event: 7
Push event: 1
Pull request event: 1
Fork event: 1

Name	Email	Commits
Nick Sutterer	a**k@g**m	98
Abinoam P. Marques Jr	a**m@g**m	4
Abdelkader Boudih	t**e@g**m	2
Zahidul Haque	i**i@g**m	1
Takashi Masuda	m**a@f**p	1
Josef Šimánek	j**k@g**m	1

Issue and Pull Request metadata

Last synced: 7 days ago

Total issues: 3
Total pull requests: 7
Average time to close issues: N/A
Average time to close pull requests: 29 days
Total issue authors: 3
Total pull request authors: 7
Average comments per issue: 2.0
Average comments per pull request: 3.29
Merged pull request: 5
Bot issues: 0
Bot pull requests: 0

Past year issues: 0
Past year pull requests: 1
Past year average time to close issues: N/A
Past year average time to close pull requests: 2 months
Past year issue authors: 0
Past year pull request authors: 1
Past year average comments per issue: 0
Past year average comments per pull request: 20.0
Past year merged pull request: 1
Past year bot issues: 0
Past year bot pull requests: 0

More stats: https://issues.ecosyste.ms/repositories/lookup?url=https://github.com/apotonick/declarative

Top Issue Authors

shmokmt (1)
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Top Pull Request Authors

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Package metadata

Total packages: 12
Total downloads:
- rubygems: 649,289,705 total
Total docker downloads: 1,138,618,624
Total dependent packages: 6 (may contain duplicates)
Total dependent repositories: 26,022 (may contain duplicates)
Total versions: 32
Total maintainers: 2

gem.coop: declarative

DSL for nested generic schemas with inheritance and refining.

Homepage: https://github.com/apotonick/declarative
Documentation: http://www.rubydoc.info/gems/declarative/
Licenses: MIT
Latest release: 0.0.20 (published over 5 years ago)
Last Synced: 2026-03-01T16:02:30.083Z (2 days ago)
Versions: 11
Dependent Packages: 0
Dependent Repositories: 0
Downloads: 324,673,447 Total
Docker Downloads: 569,309,312
Rankings:
- Dependent repos count: 0.0%
- Dependent packages count: 0.0%
- Average: 0.059%
- Downloads: 0.075%
- Docker downloads count: 0.163%
Maintainers (2)
- seuros
- apotonick

ubuntu-20.04: ruby-declarative

Homepage: https://github.com/apotonick/declarative
Licenses: mit
Latest release: 0.0.10-2 (published 18 days ago)
Last Synced: 2026-02-13T07:12:20.852Z (18 days ago)
Versions: 1
Dependent Packages: 0
Dependent Repositories: 0
Rankings:
- Dependent repos count: 0.0%
- Dependent packages count: 0.0%
- Forks count: 0.131%
- Average: 0.588%
- Stargazers count: 2.222%

rubygems.org: declarative

DSL for nested generic schemas with inheritance and refining.

Homepage: https://github.com/apotonick/declarative
Documentation: http://www.rubydoc.info/gems/declarative/
Licenses: MIT
Latest release: 0.0.20 (published over 5 years ago)
Last Synced: 2026-02-28T16:00:33.439Z (3 days ago)
Versions: 11
Dependent Packages: 6
Dependent Repositories: 26,022
Downloads: 324,616,258 Total
Docker Downloads: 569,309,312
Rankings:
- Downloads: 0.085%
- Dependent repos count: 0.221%
- Docker downloads count: 0.229%
- Dependent packages count: 2.484%
- Average: 3.969%
- Forks count: 9.679%
- Stargazers count: 11.117%
Maintainers (2)
- seuros
- apotonick

ubuntu-24.04: ruby-declarative

Homepage: https://github.com/apotonick/declarative
Licenses:
Latest release: 0.0.10-2 (published 25 days ago)
Last Synced: 2026-02-06T15:04:15.331Z (25 days ago)
Versions: 1
Dependent Packages: 0
Dependent Repositories: 0
Rankings:

debian-10: ruby-declarative

Homepage: https://github.com/apotonick/declarative
Documentation: https://packages.debian.org/buster/ruby-declarative
Licenses:
Latest release: 0.0.10-1 (published 20 days ago)
Last Synced: 2026-02-13T04:20:36.086Z (19 days ago)
Versions: 1
Dependent Packages: 0
Dependent Repositories: 0
Rankings:
- Dependent repos count: 0.0%
- Dependent packages count: 0.0%
- Average: 100%

ubuntu-23.04: ruby-declarative

Homepage: https://github.com/apotonick/declarative
Licenses:
Latest release: 0.0.10-2 (published 20 days ago)
Last Synced: 2026-02-11T06:37:52.750Z (20 days ago)
Versions: 1
Dependent Packages: 0
Dependent Repositories: 0
Rankings:
- Dependent repos count: 0.0%
- Dependent packages count: 0.0%
- Average: 100%

ubuntu-23.10: ruby-declarative

Homepage: https://github.com/apotonick/declarative
Licenses:
Latest release: 0.0.10-2 (published 18 days ago)
Last Synced: 2026-02-13T18:17:54.472Z (18 days ago)
Versions: 1
Dependent Packages: 0
Dependent Repositories: 0
Rankings:
- Dependent repos count: 0.0%
- Dependent packages count: 0.0%
- Average: 100%

debian-11: ruby-declarative

Homepage: https://github.com/apotonick/declarative
Documentation: https://packages.debian.org/bullseye/ruby-declarative
Licenses:
Latest release: 0.0.10-2 (published 21 days ago)
Last Synced: 2026-02-13T08:19:21.856Z (18 days ago)
Versions: 1
Dependent Packages: 0
Dependent Repositories: 0
Rankings:
- Dependent repos count: 0.0%
- Dependent packages count: 0.0%
- Average: 100%

debian-12: ruby-declarative

Homepage: https://github.com/apotonick/declarative
Documentation: https://packages.debian.org/bookworm/ruby-declarative
Licenses:
Latest release: 0.0.10-2 (published 19 days ago)
Last Synced: 2026-02-12T23:28:02.599Z (19 days ago)
Versions: 1
Dependent Packages: 0
Dependent Repositories: 0
Rankings:
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- Average: 100%

debian-13: ruby-declarative

Homepage: https://github.com/apotonick/declarative
Documentation: https://packages.debian.org/trixie/ruby-declarative
Licenses: mit
Latest release: 0.0.10-2 (published 19 days ago)
Last Synced: 2026-02-13T13:14:35.147Z (18 days ago)
Versions: 1
Dependent Packages: 0
Dependent Repositories: 0
Rankings:
- Dependent repos count: 0.0%
- Dependent packages count: 0.0%
- Average: 100%

ubuntu-22.04: ruby-declarative

Homepage: https://github.com/apotonick/declarative
Licenses:
Latest release: 0.0.10-2 (published 18 days ago)
Last Synced: 2026-02-13T13:15:09.226Z (18 days ago)
Versions: 1
Dependent Packages: 0
Dependent Repositories: 0
Rankings:
- Dependent repos count: 0.0%
- Dependent packages count: 0.0%
- Average: 100%

ubuntu-24.10: ruby-declarative

Homepage: https://github.com/apotonick/declarative
Licenses:
Latest release: 0.0.10-2 (published 22 days ago)
Last Synced: 2026-02-09T16:23:55.468Z (22 days ago)
Versions: 1
Dependent Packages: 0
Dependent Repositories: 0
Rankings:

Dependencies

declarative.gemspec rubygems

minitest >= 0 development
minitest-line >= 0 development
rake >= 0 development

.github/workflows/build.yml actions

actions/checkout v4 composite
ruby/setup-ruby v1 composite

Gemfile rubygems

Score: 26.354183702073122