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๐Ÿ† The Best Pagination Ruby Gem ๐Ÿฅ‡

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Pagy

Gem Version ruby Build Status CodeCov Rubocop Status MIT license CII Best Practices Commits Downloads Stars

๐Ÿ† The Best Pagination Ruby Gem ๐Ÿฅ‡

Pagy is focused on performance and flexibility.

~ 40x Faster!

IPS Chart

~ 36x Lighter!

Memory Chart

~ 35x Simpler!

Objects Chart

~ 1,410x More Efficient!

Resource Consumption Chart

Each dot in the visualization above represents the resources that Pagy consumes for one full rendering. The other gems consume hundreds of times as much for the same rendering.

The IPS/Kb ratio is calculated out of speed (IPS) and Memory (Kb): it shows how well each gem uses each Kb of memory it allocates/consumes.

See the Detailed Gems Comparison for full details.


๐Ÿคฉ It does it all. Better.

Code Structure

  • Pagy has a very slim core code very easy to understand and use.
  • It has a quite fat set of optional extras that you can explicitly require for very efficient and modular customization (see extras)
  • It has no dependencies: it produces its own HTML, URLs, i18n with its own specialized and fast code
  • Its methods are accessible and overridable right where you use them (no pesky monkey-patching needed)

Unlike the other gems

  • Pagy is very modular and does not load any unnecessary code (see why...)_
  • is very modular and does not load any unnecessary code (see why...)_
  • It doesn't impose limits even with collections|scopes that already used limit and offset (see how...)
  • doesn't impose limits even with collections|scopes that already used limit and offset (see how...)
  • It works with fast helpers OR easy to edit templates (see more...)
  • works with fast helpers OR easy to edit templates (see more...)
  • It raises Pagy::OverflowError exceptions that you can rescue from (see how...) or use the overflow extra for a few ready to use common behaviors
  • raises Pagy::OverflowError exceptions that you can rescue from (see how...) or use the overflow extra for a few ready to use common behaviors
  • It does not impose any difficult-to-override logic or output

๐Ÿ˜Ž It's easy to use and customize

Code for basic pagination...
# Include it in the controllers (e.g. application_controller.rb)
include Pagy::Backend

# Include it in the helpers (e.g. application_helper.rb)
include Pagy::Frontend

# Wrap your collections with pagy in your actions
@pagy, @records = pagy(Product.all)

Optionally set your defaults in the pagy initializer:

# Optionally override some pagy default with your own in the pagy initializer
Pagy::DEFAULT[:items] = 10        # items per page
Pagy::DEFAULT[:size]  = [1,4,4,1] # nav bar links
# Better user experience handled automatically
require 'pagy/extras/overflow'
Pagy::DEFAULT[:overflow] = :last_page
<%# Render a view helper in your views (skipping nav links for empty pages) %>
<%== pagy_nav(@pagy) if @pagy.pages > 1 %>

Or, choose from the following view helpers:

View Helper Name Preview (Bootstrap Style shown)
pagy_nav(@pagy) pagy_nav
pagy_nav_js(@pagy) pagy_nav_js
pagy_info(@pagy) pagy_info
pagy_combo_nav_js(@pagy) pagy_combo_nav_js
pagy_items_selector_js pagy_items_selector_js
pagy_nav(@calendar[:year])
pagy_nav(@calendar[:month])
(other units: :quarter, :week, :day and custom)
calendar extra

(See the Quick Start)

Customization for CSS frameworks...
# Require a CSS framework extra in the pagy initializer (e.g. bootstrap)
require 'pagy/extras/bootstrap'
<%# Use it in your views %>
<%== pagy_bootstrap_nav(@pagy) %>

(See all the CSS Framework Extras)

Customization for special collections...
# Require some special backend extra in the pagy initializer (e.g. elasticsearch_rails)
require 'pagy/extras/elasticsearch_rails'

# Extend your models (e.g. application_record.rb)
extend Pagy::ElasticsearchRails

# Use it in your actions
response         = Article.pagy_search(params[:q])
@pagy, @response = pagy_elasticsearch_rails(response)

(See all the Search Extras)

Customization for client-side|JSON rendering...
# Require the metadata extra in the pagy initializer
require 'pagy/extras/metadata'

# Use it in your actions
pagy, records = pagy(Product.all)
render json: { data: records,
               pagy: pagy_metadata(pagy) }

(See all the Backend Tools)

Customization for headers pagination for APIs...
# Require the headers extra in the pagy initializer
require 'pagy/extras/headers'

# Use it in your actions
pagy, records = pagy(Product.all)
pagy_headers_merge(pagy)
render json: records

(See all the Backend Tools)

More customization with extras...

Extras add special options and manage different components, behaviors, Frontend or Backend environments... usually by just requiring them (and optionally overriding some default).

Backend Extras

  • arel: Provides better performance of grouped ActiveRecord collections
  • array: Paginate arrays efficiently.
  • calendar: Add pagination filtering by calendar time unit (year, quarter, month, week, day, custom)
  • countless: Paginate without the need of any count, saving one query per rendering
  • elasticsearch_rails: Paginate ElasticsearchRails response objects
  • headers: Add RFC-8288 compliant http response headers (and other helpers) useful for API pagination
  • meilisearch: Paginate Meilisearch results
  • metadata: Provides the pagination metadata to Javascript frameworks like Vue.js, react.js, etc.
  • searchkick: Paginate Searchkick::Results objects

Frontend Extras

Extra Features and Tools

  • Pagy::Console: Use pagy in the irb/rails console even without any app nor configuration
  • gearbox: Automatically change the number of items per page depending on the page number
  • i18n: Use the I18n gem instead of the faster pagy-i18n implementation
  • items: Allow the client to request a custom number of items per page with an optional selector UI
  • overflow: Allow easy handling of overflowing pages
  • standalone: Use pagy without any request object, nor Rack environment/gem, nor any defined params method
  • support: Add support for countless or navless pagination (incremental, auto-incremental, infinite pagination).
  • trim: Remove the page=1 param from the first page link

See also the How To Page

๐Ÿค“ It's well documented and supported

Documentation
Support
Screencasts (10 entries)

SupeRails

GoRails

CJ Avilla

Mike Rogers

Deanin

Mix & Go

Raul Palacio (Spanish)

Posts and tutorials (19 entries)

๐Ÿ“ฆ Repository Info

What's new in 6.0
  • New improved documentation
  • New finite pagination for meilisearch extra
  • New :request_path variable allows overriding the request path for pagination links (turbo frames)
  • Fix for the args forwarding in the Pagy::Countless#series for Ruby 3
  • Removed support for 5.0 deprecations (see the Changelog)
How to contribute
  • Pull Requests are welcome!
  • For simple contribution you can quickly check your changes with the Pagy::Console or with the single file pagy_standalone_app.ru.
  • If you Create A Pull Request, please ensure that the "All checks have passed" indicator gets green light on the Pull Request page (if it's not enabled, a maintainer will enable it for you).
Versioning
Branches
  • The master branch is the latest rubygem-published release. It also contains docs and comment changes that don't affect the published code. It is never force-pushed.
  • The dev branch is the development branch with the new code that will be merged in the next release. It could be force-pushed.
  • Expect any other branch to be internal, experimental, force-pushed, rebased and/or deleted even without merging.

๐Ÿ’ž Related Projects

  • pagy-cursor An early stage project that implements cursor pagination for AR
  • grape-pagy Pagy pagination for the grape API framework

๐Ÿ‘ Credits

Many thanks to:

๐Ÿ“ƒ License

MIT

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๐Ÿ† The Best Pagination Ruby Gem ๐Ÿฅ‡

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