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---
layout: default
title: Changelog
nav_order: 5
---
<!-- Add unreleased changes under the "main" heading. -->
# Changelog
## main
## 2.74.1
* Add more users of ViewComponent to docs.
*Joel Hawksley*
* Add a known issue for usage with `turbo_frame_tag` to the documentation.
*Vlad Radulescu*
* Add note about system testing components with previews.
*Joel Hawksley*
* Remove locking mechanisms from the compiler.
*Cameron Dutro*
## 2.74.0
* Add Avo to list of companies using ViewComponent.
*Adrian Marin*
* Promote experimental `_output_postamble` method to public API as `output_postamble`.
*Joel Hawksley*
* Promote experimental `_sidecar_files` method to public API as `sidecar_files`.
*Joel Hawksley*
* Fix `show_previews` regression introduced in 2.73.0.
*Andy Baranov*
* `with_request_url` test helper supports router constraints (such as Devise).
*Aotokitsuruya*
## 2.73.0
* Remove experimental `_after_compile` lifecycle method.
*Joel Hawksley*
* Fix capitalization of JavaScript in docs.
*Erinna Chen*
* Add PrintReleaf to list of companies using ViewComponent.
*Ry Kulp*
* Simplify CI configuration to a single build per Ruby/Rails version.
*Joel Hawksley*
* Correctly document `generate.sidecar` config option.
*Ruben Smit*
* Add Yobbers to list of companies using ViewComponent.
*Anton Prins*
## 2.72.0
* Deprecate support for Ruby < 2.7 for removal in v3.0.0.
*Joel Hawksley*
* Add `changelog_uri` to gemspec.
*Joel Hawksley*
* Link to `CHANGELOG.md` instead of symlink.
*Joel Hawksley.
* Add Aluuno to list of companies using ViewComponent.
*Daniel Naves de Carvalho*
* Add `source_code_uri` to gemspec.
*Yoshiyuki Hirano*
* Update link to benchmark script in docs.
*Daniel Diekmeier*
* Add special exception message for `renders_one :content` explaining that content passed as a block will be assigned to the `content` accessor without having to create an explicit slot.
*Daniel Diekmeier*
## 2.71.0
**ViewComponent has moved to a new organization: [https://github.com/viewcomponent/view_component](https://github.com/viewcomponent/view_component). See [https://github.com/viewcomponent/view_component/issues/1424](https://github.com/viewcomponent/view_component/issues/1424) for more details.**
## 2.70.0
* `render_preview` can pass parameters to preview.
*Joel Hawksley*
* Fix docs typos.
*Joel Hawksley*
* Add architectural decisions to documentation and rename sidebar sections.
*Joel Hawksley*
* Clarify documentation on testability of Rails views.
*Joel Hawksley*
* Add Arrows to list of companies using ViewComponent.
*Matt Swanson*
* Add WIP to list of companies using ViewComponent.
*Marc Köhlbrugge*
* Update slots documentation to include how to reference slots.
*Brittany Ellich*
* Add Clio to list of companies using ViewComponent.
*Mike Buckley*
## 2.69.0
* Add missing `require` to fix `pvc` build.
*Joel Hawksley*
* Add `config.view_component.use_consistent_rendering_lifecycle` to ensure side-effects in `content` are consistently evaluated before components are rendered. This change effectively means that `content` is evaluated for every component render where `render?` returns true. As a result, code that's passed to a component via a block/content will now always be evaluated, before `#call`, which can reveal bugs in existing components. This configuration option defaults to `false` but will be enabled in 3.0 and the old behavior will be removed.
*Blake Williams*
* Update Prism to version 1.28.0.
*Thomas Hutterer*
* Corrects the deprecation warning for named slots to show the file and line where the slot is called.
*River Bailey*
## 2.68.0
* Update `gemspec` author to be ViewComponent team.
*Joel Hawksley*
* Fix bug where `ViewComponent::Compiler` wasn't required.
*Joel Hawksley*
## 2.67.0
* Use ViewComponent::Base.config as the internal endpoint for config.
*Simon Fish*
* Fix bug where `#with_request_url`, when used with query string, set the incorrect `request.path` and `request.fullpath`.
*Franz Liedke*
* Add link to [ViewComponentAttributes](https://github.com/amba-Health/view_component_attributes) in Resources section of docs.
*Romaric Pascal*
* `render_preview` test helper is available by default. It is no longer necessary to include `ViewComponent::RenderPreviewHelper`.
*Joel Hawksley*
## 2.66.0
* Add missing `generate.sidecar`, `generate.stimulus_controller`, `generate.locale`, `generate.distinct_locale_files`, `generate.preview` config options to `config.view_component`.
*Simon Fish*
## 2.65.0
* Raise `ArgumentError` when conflicting Slots are defined.
Before this change it was possible to define Slots with conflicting names, for example:
```ruby
class MyComponent < ViewComponent::Base
renders_one :item
renders_many :items
end
```
*Joel Hawksley*
## 2.64.0
* Add `warn_on_deprecated_slot_setter` flag to opt-in to deprecation warning.
In [v2.54.0](https://viewcomponent.org/CHANGELOG.html#2540), the Slots API was updated to require the `with_*` prefix for setting Slots. The non-`with_*` setters will be deprecated in a coming version and removed in `v3.0`.
To enable the coming deprecation warning, add `warn_on_deprecated_slot_setter`:
```ruby
class DeprecatedSlotsSetterComponent < ViewComponent::Base
warn_on_deprecated_slot_setter
end
```
*Joel Hawksley*
* Add [`m`](https://rubygems.org/gems/m) to development environment.
*Joel Hawksley*
* Fix potential deadlock scenario in the compiler's development mode.
*Blake Williams*
## 2.63.0
* Fixed typo in `renders_many` documentation.
*Graham Rogers*
* Add documentation about working with `turbo-rails`.
*Matheus Poli Camilo*
* Fix issue causing helper methods to not be available in nested components when the render monkey patch is disabled and `render_component` is used.
*Daniel Scheffknecht*
## 2.62.0
* Remove the experimental global output buffer feature.
* Restore functionality that used to attempt to compile templates on each call to `#render_in`.
* Un-pin `rails` `main` dependency.
*Cameron Dutro*
* Add blank space between "in" and "ViewComponent" in a deprecation warning.
*Vikram Dighe*
* Add HappyCo to list of companies using ViewComponent.
*Josh Clayton*
* Add predicate method support to polymorphic slots.
*Graham Rogers*
## 2.61.1
* Revert `Expose Capybara DSL methods directly inside tests.` This change unintentionally broke other Capybara methods and thus introduced a regression. We aren't confident that we can fail forward so we have decided to revert this change.
*Joel Hawksley*, *Blake Williams*
* Revert change making content evaluation consistent.
*Blake Williams*
* Pin `rails` `main` dependency due to incompatibility with Global Output Buffer.
*Joel Hawksley*
## 2.61.0
* Ensure side-effects in `content` are consistently evaluated before components are rendered. This change effectively means that `content` is evaluated for every component render where `render?` returns true. As a result, code that is passed to a component via a block/content will now always be evaluated, before `#call`, which can reveal bugs in existing components.
*Blake Williams*
## 2.60.0
* Add support for `render_preview` in RSpec tests.
*Thomas Hutterer*
## 2.59.0
* Expose Capybara DSL methods directly inside tests.
The following Capybara methods are now available directly without having to use the `page` method:
* [`all`](https://rubydoc.info/github/teamcapybara/capybara/Capybara%2FNode%2FFinders:all)
* [`first`](https://rubydoc.info/github/teamcapybara/capybara/Capybara%2FNode%2FFinders:first)
* [`text`](https://rubydoc.info/github/teamcapybara/capybara/Capybara%2FNode%2FSimple:text)
* [`find`](https://rubydoc.info/github/teamcapybara/capybara/master/Capybara%2FNode%2FFinders:find)
* [`find_all`](https://rubydoc.info/github/teamcapybara/capybara/master/Capybara%2FNode%2FFinders:find_all)
* [`find_button`](https://rubydoc.info/github/teamcapybara/capybara/master/Capybara%2FNode%2FFinders:find_button)
* [`find_by_id`](https://rubydoc.info/github/teamcapybara/capybara/master/Capybara%2FNode%2FFinders:find_by_id)
* [`find_field`](https://rubydoc.info/github/teamcapybara/capybara/master/Capybara%2FNode%2FFinders:find_field)
* [`find_link`](https://rubydoc.info/github/teamcapybara/capybara/master/Capybara%2FNode%2FFinders:find_link)
* [`has_content?`](https://rubydoc.info/github/teamcapybara/capybara/master/Capybara%2FNode%2FMatchers:has_content%3F)
* [`has_text?`](https://rubydoc.info/github/teamcapybara/capybara/master/Capybara%2FNode%2FMatchers:has_text%3F)
* [`has_css?`](https://rubydoc.info/github/teamcapybara/capybara/master/Capybara%2FNode%2FMatchers:has_css%3F)
* [`has_no_content?`](https://rubydoc.info/github/teamcapybara/capybara/master/Capybara%2FNode%2FMatchers:has_no_content%3F)
* [`has_no_text?`](https://rubydoc.info/github/teamcapybara/capybara/master/Capybara%2FNode%2FMatchers:has_no_text%3F)
* [`has_no_css?`](https://rubydoc.info/github/teamcapybara/capybara/master/Capybara%2FNode%2FMatchers:has_no_css%3F)
* [`has_no_xpath?`](https://rubydoc.info/github/teamcapybara/capybara/master/Capybara%2FNode%2FMatchers:has_no_xpath%3F)
* [`has_xpath?`](https://rubydoc.info/github/teamcapybara/capybara/master/Capybara%2FNode%2FMatchers:has_xpath%3F)
* [`has_link?`](https://rubydoc.info/github/teamcapybara/capybara/master/Capybara%2FNode%2FMatchers:has_link%3F)
* [`has_no_link?`](https://rubydoc.info/github/teamcapybara/capybara/master/Capybara%2FNode%2FMatchers:has_no_link%3F)
* [`has_button?`](https://rubydoc.info/github/teamcapybara/capybara/master/Capybara%2FNode%2FMatchers:has_button%3F)
* [`has_no_button?`](https://rubydoc.info/github/teamcapybara/capybara/master/Capybara%2FNode%2FMatchers:has_no_button%3F)
* [`has_field?`](https://rubydoc.info/github/teamcapybara/capybara/master/Capybara%2FNode%2FMatchers:has_field%3F)
* [`has_no_field?`](https://rubydoc.info/github/teamcapybara/capybara/master/Capybara%2FNode%2FMatchers:has_no_field%3F)
* [`has_checked_field?`](https://rubydoc.info/github/teamcapybara/capybara/master/Capybara%2FNode%2FMatchers:has_checked_field%3F)
* [`has_unchecked_field?`](https://rubydoc.info/github/teamcapybara/capybara/master/Capybara%2FNode%2FMatchers:has_unchecked_field%3F)
* [`has_no_table?`](https://rubydoc.info/github/teamcapybara/capybara/master/Capybara%2FNode%2FMatchers:has_no_table%3F)
* [`has_table?`](https://rubydoc.info/github/teamcapybara/capybara/master/Capybara%2FNode%2FMatchers:has_table%3F)
* [`has_select?`](https://rubydoc.info/github/teamcapybara/capybara/master/Capybara%2FNode%2FMatchers:has_select%3F)
* [`has_no_select?`](https://rubydoc.info/github/teamcapybara/capybara/master/Capybara%2FNode%2FMatchers:has_no_select%3F)
* [`has_selector?`](https://rubydoc.info/github/teamcapybara/capybara/master/Capybara%2FNode%2FMatchers:has_selector%3F)
* [`has_no_selector?`](https://rubydoc.info/github/teamcapybara/capybara/master/Capybara%2FNode%2FMatchers:has_no_selector%3F)
* [`has_no_checked_field?`](https://rubydoc.info/github/teamcapybara/capybara/master/Capybara%2FNode%2FMatchers:has_no_checked_field%3F)
* [`has_no_unchecked_field?`](https://rubydoc.info/github/teamcapybara/capybara/master/Capybara%2FNode%2FMatchers:has_no_unchecked_field%3F)
* Add support for `within*` Capybara DLS methods:
* [`within`](https://rubydoc.info/github/teamcapybara/capybara/master/Capybara%2FSession:within)
* [`within_element`](https://rubydoc.info/github/teamcapybara/capybara/master/Capybara%2FSession:within)
* [`within_fieldset`](https://rubydoc.info/github/teamcapybara/capybara/master/Capybara%2FSession:within_fieldset)
* [`within_table`](https://rubydoc.info/github/teamcapybara/capybara/master/Capybara%2FSession:within_table)
*Jacob Carlborg*
## 2.58.0
* Switch to `standardrb`.
*Joel Hawksley*
* Add BootrAils article to resources.
*Joel Hawksley*
* Add @boardfish and @spone as maintainers.
*Joel Hawksley*, *Cameron Dutro*, *Blake Williams*
* Re-compile updated, inherited templates when class caching is disabled.
*Patrick Arnett*
* Add the latest version to the docs index.
* Improve the docs: add the versions various features were introduced in.
*Hans Lemuet*
* Update docs to reflect lack of block content support in controllers.
*Joel Hawksley*
* Prevent adding duplicates to `autoload_paths`.
*Thomas Hutterer*
* Add FreeAgent to list of companies using ViewComponent.
*Simon Fish*
* Include polymorphic slots in `ViewComponent::Base` by default.
*Cameron Dutro*
* Add per-component config option for stripping newlines from templates before compilation.
*Cameron Dutro*
* Add link to article by Matouš Borák.
*Joel Hawksley*
## 2.57.1
* Fix issue causing `NoMethodError`s when calling helper methods from components rendered as part of a collection.
* Fix syntax error in the ERB example in the polymorphic slots docs.
*Cameron Dutro*
## 2.57.0
* Add missing `require` for `Translatable` module in `Base`.
*Hans Lemuet*
* Allow anything that responds to `#render_in` to be rendered in the parent component's view context.
*Cameron Dutro*
* Fix script/release so it honors semver.
*Cameron Dutro*
## 2.56.2
* Restore removed `rendered_component`, marking it for deprecation in v3.0.0.
*Tyson Gach*, *Richard Macklin*, *Joel Hawksley*
## 2.56.1
* Rename private accessor `rendered_component` to `rendered_content`.
*Yoshiyuki Hirano*, *Simon Dawson*
## 2.56.0
* Introduce experimental `render_preview` test helper. Note: `@rendered_component` in `TestHelpers` has been renamed to `@rendered_content`.
*Joel Hawksley*
* Move framework tests into sandbox application.
*Joel Hawksley*
* Add G2 to list of companies that use ViewComponent.
*Jack Shuff*
* Add Within3 to list of companies that use ViewComponent.
*Drew Bragg*
* Add Mission Met to list of companies that use ViewComponent.
*Nick Smith*
* Fix `#with_request_url` test helper not parsing nested query parameters into nested hashes.
*Richard Marbach*
## 2.55.0
* Add `render_parent` convenience method to avoid confusion between `<%= super %>` and `<% super %>` in template code.
*Cameron Dutro*
* Add note about discouraging inheritance.
*Joel Hawksley*
* Clean up grammar in documentation.
*Joel Hawksley*
* The ViewComponent team at GitHub is hiring! We're looking for a Rails engineer with accessibility experience: [https://boards.greenhouse.io/github/jobs/4020166](https://boards.greenhouse.io/github/jobs/4020166). Reach out to joelhawksley@github.com with any questions!
* The ViewComponent team is hosting a happy hour at RailsConf. Join us for snacks, drinks, and stickers: [https://www.eventbrite.com/e/viewcomponent-happy-hour-tickets-304168585427](https://www.eventbrite.com/e/viewcomponent-happy-hour-tickets-304168585427)
## 2.54.1
* Update docs dependencies.
*Joel Hawksley*
* Resolve warning in slots API.
* Raise in the test environment when ViewComponent code emits a warning.
*Blake Williams*
## 2.54.0
* Add `with_*` slot API for defining slots. Note: we plan to deprecate the non `with_*` API for slots in an upcoming release.
*Blake Williams*
* Add QuickNode to list of companies that use ViewComponent.
*Luc Castera*
* Include the `Translatable` module by default.
*Elia Schito*
* Update docs dependencies.
*Joel Hawksley*
## 2.53.0
* Add support for relative I18n scopes to translations.
*Elia Schito*
* Update CI configuration to use latest Rails 7.0.
*Hans Lemuet*
* Document how to use blocks with lambda slots.
*Sam Partington*
* Skip Rails 5.2 in local test environment if using incompatible Ruby version.
*Cameron Dutro*, *Blake Williams*, *Joel Hawksley*
* Improve landing page documentation.
*Jason Swett*
* Add Bearer to list of companies that use ViewComponent.
*Yaroslav Shmarov*
* Add articles to resources page.
*Joel Hawksley*
* Enable rendering arbitrary block contents in the view context in tests.
*Cameron Dutro*
## 2.52.0
* Add ADR for separate slot getter/setter API.
*Blake Williams*
* Add the option to use a "global" output buffer so `form_for` and friends can be used with view components.
*Cameron Dutro*, *Blake Williams*
* Fix fragment caching in partials when global output buffer is enabled.
* Fix template inheritance when eager loading is disabled.
*Cameron Dutro*
## 2.51.0
* Update the docs only when releasing a new version.
*Hans Lemuet*
* Alphabetize companies using ViewComponent and add Brightline to the list.
*Jack Schuss*
* Add CMYK value for ViewComponent Red color on logo page.
*Dylan Smith*
* Improve performance by moving template compilation from `#render_in` to `#render_template_for`.
*Cameron Dutro*
## 2.50.0
* Add tests for `layout` usage when rendering via controller.
*Felipe Sateler*
* Support returning Arrays from i18n files, and support marking them as HTML-safe translations.
*foca*
* Add Cometeer and Framework to users list.
*Elia Schito*
* Update Microsoft Vale styles.
*Simon Fish*
* Fix example in testing guide for how to setup default Rails tests.
*Steven Hansen*
* Update benchmark script to render multiple components/partials instead of a single instance per-run.
*Blake Williams*
* Add predicate methods `#{slot_name}?` to slots.
*Hans Lemuet*
* Use a dedicated deprecation instance, silence it while testing.
*Max Beizer, Hans Lemuet, Elia Schito*
* Fix Ruby warnings.
*Hans Lemuet*
* Place all generator options under `config.generate` namespace.
*Simon Fish*
* Allow preview generator to use provided component attributes.
* Add config option `config.view_component.generate.preview` to enable project-wide preview generation.
* Ensure all generated `.rb` files include `# frozen_string_literal: true` statement.
*Bob Maerten*
* Add Shogun to users list.
*Bernie Chiu*
## 2.49.1
* Patch XSS vulnerability in `ViewComponent::Translatable` module caused by improperly escaped interpolation arguments.
*Cameron Dutro*
## 2.49.0
* Fix path handling for evaluated view components that broke in Ruby 3.1.
*Adam Hess*
* Fix support for the `default:` option for a global translation.
*Elia Schito*
* Ensure i18n scope is a symbol to protect lookups.
*Simon Fish*
* Small update to preview docs to include rspec mention.
*Leigh Halliday*
* Small improvements to collection iteration docs.
*Brian O'Rourke*
* Add good and bad examples to `ViewComponents in practice`.
*Joel Hawksley*
* Add Ruby 3.1 and Rails 7.0 to CI.
*Peter Goldstein*
* Move preview logic to module for easier app integration.
*Sammy Henningsson*
## 2.48.0
* Correct path in example test command in Contributing docs.
*Mark Wilkinson*
* Update link to GOV.UK Components library in the resources list.
*Peter Yates*
* Add Lookbook to Resources docs page.
*Mark Perkins*
* Add blocking compiler mode for use in Rails development and testing modes, improving thread safety.
*Horia Radu*
* Add generators to support `tailwindcss-rails`.
*Dino Maric*, *Hans Lemuet*
* Add a namespaced component example to docs.
*Hans Lemuet*
* Setup `Appraisal` to add flexibility when testing ViewComponent against multiple Rails versions.
*Hans Lemuet*
* Return correct values for `request.path` and `request.query_string` methods when using the `with_request_url` test helper.
*Vasiliy Matyushin*
* Improve style in generators docs.
*Hans Lemuet*
* Correctly type Ruby version strings and update Rails versions used in CI configuration.
*Hans Lemuet*
* Make `ViewComponent::Collection` act like a collection of view components.
*Sammy Henningsson*
* Update `@param` of `#render_inline` to include `ViewComponent::Collection`.
*Yutaka Kamei*
* Add Wecasa to users list.
*Mohamed Ziata*
## 2.47.0
* Display preview source on previews that exclusively use templates.
*Edwin Mak*
* Add a test to ensure trailing newlines are stripped when rendering with `#render_in`.
*Simon Fish*
* Add WEBrick as a depenency to the application.
*Connor McQuillan*
* Update Ruby version in `.tool-versions`.
*Connor McQuillan*
* Add a test to ensure blocks can be passed into lambda slots without the need for any other arguments.
*Simon Fish*
* Add linters for file consistency.
*Simon Fish*
* Add @boardfish to docs/index.md and sort contributors.
*Simon Fish*
* Set up Codespaces for bug replication.
*Simon Fish*
* Add instructions for replicating bugs and failures.
*Simon Fish*
* Make @boardfish a committer.
*Joel Hawksley*
* Validate collection parameter with Active Model attribute names.
*Simon Fish*
* Fix `helpers` not working with component slots when rendered more than 2 component levels deep.
*Blake Williams*
* Update ruby to the latest versions
*Pedro Paiva*
* Fix `vale` linter config options.
*Hans Lemuet*
* Improve Contributing docs to include how to run tests for a specific version on Rails.
*Hans Lemuet*
* Add failing test for default form builder and documentation around known issue.
*Simon Fish*
* Add `--locale` flag to the component generator. Generates as many locale files as defined in `I18n.available_locales`, alongside the component.
* Add config option `config.view_component.generate_locale` to enable project-wide locale generation.
* Add config option `config.view_component.generate_distinct_locale_files` to enable project-wide per-locale translations file generation.
*Bob Maerten*
* Add config option `config.view_component.generate_sidecar` to always generate in the sidecar directory.
*Gleydson Tavares*
## 2.46.0
* Add thread safety to the compiler.
*Horia Radu*
* Add theme-specific logo images to readme.
*Dylan Smith*
* Add Orbit to users list.
*Nicolas Goutay*
* Increase clarity around purpose and use of slots.
*Simon Fish*
* Deprecate loading `view_component/engine` directly.
**Upgrade notice**: You should update your `Gemfile` like this:
```diff
- gem "view_component", require: "view_component/engine"`
+ gem "view_component"
```
*Yoshiyuki Hirano*
## 2.45.0
* Remove internal APIs from API documentation, fix link to license.
*Joel Hawksley*
* Add @yhirano55 to triage team.
*Joel Hawksley*
* Correct a typo in the sample slots code.
*Simon Fish*
* Add note about `allowed_queries`.
*Joel Hawksley*
* Add `vale` content linter.
*Joel Hawksley*
* Remove `require "rails/generators/test_case"` in generator tests.
*Yoshiyuki Hirano*
* Suppress zeitwerk warning about circular require.
*Yoshiyuki Hirano*
* Move `test_unit_generator_test.rb` from `test/view_component/` to `test/generators/`.
*Yoshiyuki Hirano*
* Unify test code of `TestUnitGeneratorTest` with the other generators tests.
*Yoshiyuki Hirano*
## 2.44.0
* Rename internal accessor to use private naming.
*Joel Hawksley*, *Blake Williams*, *Cameron Dutro*
* Add Github repo link to docs website header.
*Hans Lemuet*
* Change logo in README for dark theme readability.
*Dylan Smith*
* Add Litmus to users list.
*Dylan Smith*
* Add @dylanatsmith as codeowner of the ViewComponent logo and member of committers team.
*Joel Hawksley*
* Autoload `CompileCache`, which is optionally called in `engine.rb`.
*Gregory Igelmund*
* Move frequently asked questions to other pages, add History page.
*Joel Hawksley*
* Fix typo.
*James Hart*
* Add `require "method_source"` if it options.show_previews_source is enabled.
*Yoshiyuki Hirano*
* Move show_previews_source definition to Previewable.
*Yoshiyuki Hirano*
* Clear cache in MethodSource to apply the change odf preview code without app server restart.
*Yoshiyuki Hirano*
## 2.43.1
* Remove unnecessary call to `ruby2_keywords` for polymorphic slot getters.
*Cameron Dutro*
## 2.43.0
* Add note about tests and instance methods.
*Joel Hawksley*
* Flesh out `ViewComponents in practice`.
*Joel Hawksley*
* Add CODEOWNERS entries for feature areas owned by community committers.
*Joel Hawksley*
* Separate lint and CI workflows.
*Blake Williams*
* Add support for `image_path` helper in previews.
*Tobias Ahlin*, *Joel Hawksley*
* Add section to docs listing users of ViewComponent. Please submit a PR to add your team to the list!
*Joel Hawksley*
* Fix loading issue with Stimulus generator and add specs for Stimulus generator.
*Peter Sumskas*
* Remove dependency on `ActionDispatch::Static` in Rails middleware stack when enabling statics assets for source code preview.
*Gregory Igelmund*
* Require `view_component/engine` automatically.
*Cameron Dutro*
## 2.42.0
* Add logo files and page to docs.
*Dylan Smith*
* Add `ViewComponents in practice` documentation.
*Joel Hawksley*
* Fix bug where calling lambda slots without arguments would break in Ruby < 2.7.
*Manuel Puyol*
* Improve Stimulus controller template to import from `stimulus` or `@hotwired/stimulus`.
*Mario Schüttel*
* Fix bug where `helpers` would instantiate and use a new `view_context` in each component.
*Blake Williams*, *Ian C. Anderson*
* Implement polymorphic slots as experimental feature. See the Slots documentation to learn more.
*Cameron Dutro*
## 2.41.0
* Add `sprockets-rails` development dependency to fix test suite failures when using rails@main.
*Blake Williams*
* Fix Ruby indentation warning.
*Blake Williams*
* Add `--parent` generator option to specify the parent class.
* Add config option `config.view_component.component_parent_class` to change it project-wide.
*Hans Lemuet*
* Update docs to add example for using Devise helpers in tests.
*Matthew Rider*
* Fix bug where `with_collection_parameter` didn't inherit from parent component.
*Will Drexler*, *Christian Campoli*
* Allow query parameters in `with_request_url` test helper.
*Javi Martín*
* Add "how to render a component to a string" to FAQ.
*Hans Lemuet*
* Add `#render_in` to API docs.
*Hans Lemuet*
* Forward keyword arguments from slot wrapper to component instance using ruby2_keywords.
*Cameron Dutro*
## 2.40.0
* Replace antipatterns section in the documentation with best practices.
*Blake Williams*
* Add components to `rails stats` task.
*Nicolas Brousse*
* Fix bug when using Slim and writing a slot whose block evaluates to `nil`.
*Yousuf Jukaku*
* Add documentation for test helpers.
*Joel Hawksley*
## 2.39.0
* Clarify documentation of `with_variant` as an override of Action Pack.
*Blake Williams*, *Cameron Dutro*, *Joel Hawksley*
* Update docs page to be called Javascript and CSS, rename Building ViewComponents to Guide.
*Joel Hawksley*
* Deprecate `Base#with_variant`.
*Cameron Dutro*
* Error out in the CI if docs/api.md has to be regenerated.
*Dany Marcoux*
## 2.38.0
* Add `--stimulus` flag to the component generator. Generates a Stimulus controller alongside the component.
* Add config option `config.view_component.generate_stimulus_controller` to always generate a Stimulus controller.
*Sebastien Auriault*
## 2.37.0
* Clarify slots example in docs to reduce naming confusion.
*Joel Hawksley*, *Blake Williams*
* Fix error in documentation for `render_many` passthrough slots.
*Ollie Nye*
* Add test case for conflict with internal `@variant` variable.
*David Backeus*
* Document decision to not change naming convention recommendation to remove `-Component` suffix.
*Joel Hawksley*
* Fix typo in documentation.
*Ryo.gift*
* Add inline template example to benchmark script.
*Andrew Tait*
* Fix benchmark scripts.
*Andrew Tait*
* Run benchmarks in CI.
*Joel Hawksley*
## 2.36.0
* Add `slot_type` helper method.
*Jon Palmer*
* Add test case for rendering a ViewComponent with slots in a controller.
*Simon Fish*
* Add example ViewComponent to documentation landing page.
*Joel Hawksley*
* Set maximum line length to 120.
*Joel Hawksley*
* Setting a collection slot with the plural setter (`component.items(array)` for `renders_many :items`) returns the array of slots.
*Jon Palmer*
* Update error messages to be more descriptive and helpful.
*Joel Hawksley*
* Raise an error if the slot name for renders_many is :contents
*Simon Fish*
## 2.35.0
* Only load assets for Preview source highlighting if previews are enabled.
*Joel Hawksley*
* Fix references to moved documentation files.
*Richard Macklin*
* Ensure consistent indentation with Rubocop.
*Joel Hawksley*
* Bump `activesupport` upper bound from `< 7.0` to `< 8.0`.
*Richard Macklin*
* Add ERB Lint for a few basic rules.
*Joel Hawksley*
* Sort `gemspec` dependencies alphabetically.
*Joel Hawksley*
* Lock `method_source` at `1.0` to avoid open-ended dependency.
*Joel Hawksley*
* Require all PRs to include changelog entries.
*Joel Hawksley*
* Rename test app and move files under /test/sandbox.
*Matt-Yorkley*
* Make view_component_path config option available on ViewComponent::Base.
*Matt-Yorkley*
* Add @boardfish to Triage.
*Joel Hawksley*
* Adds support to change default components path (app/components) with `config.view_component.view_component_path`.
*lfalcao*
* Rename private instance variables (such as @variant) to reduce potential conflicts with subclasses.
*Joel Hawksley*
* Add documentation for configuration options.
*Joel Hawksley*
* Add view helper `preview_source` for rendering a source code preview below previews.
* Add config option `config.view_component.show_previews_source` for enabling the source preview.
*Johannes Engl*
* Add documentation for compatibility with ActionText.
*Jared Planter*
## 2.34.0
* Add the ability to enable ActiveSupport notifications (`!render.view_component` event) with `config.view_component.instrumentation_enabled`.
*Svyatoslav Kryukov*
* Add [Generators](https://viewcomponent.org/guide/generators.html) page to documentation.
*Hans Lemuet*
* Fix bug where ViewComponents didn't work in ActionMailers.
*dark-panda*
## 2.33.0
* Add support for `_iteration` parameter when rendering in a collection
*Will Cosgrove*
* Don't raise an error when rendering empty components.
*Alex Robbin*
## 2.32.0
* Enable previews by default in test environment.
*Edouard Piron*
* Fix test helper compatibility with Rails 7.0, TestRequest, and TestSession.
*Leo Correa*
* Add experimental `_output_postamble` lifecyle method.
*Joel Hawksley*
* Add compatibility notes on FAQ.
*Matheus Richard*
* Add Bridgetown on Compatibility documentation.
*Matheus Richard*
* Are you interested in building the future of ViewComponent? GitHub is looking to hire a Senior Engineer to work on Primer ViewComponents and ViewComponent. Apply here: [US/Canada](https://github.com/careers) / [Europe](https://boards.greenhouse.io/github/jobs/3132294). Feel free to reach out to joelhawksley@github.com with any questions.
*Joel Hawksley*
## 2.31.2
* Patch XSS vulnerability in `ViewComponent::Translatable` module caused by improperly escaped interpolation arguments.
*Cameron Dutro*
## 2.31.1
* Fix `DEPRECATION WARNING: before_render_check` when compiling `ViewComponent::Base`
*Dave Kroondyk*
## 2.31.0
_Note: This release includes an underlying change to Slots that may affect incorrect usage of the API, where Slots were set on a line prefixed by `<%=`. The result of setting a Slot shouldn't be returned. (`<%`)_
* Add `#with_content` to allow setting content without a block.
*Jordan Raine, Manuel Puyol*
* Add `with_request_url` test helper.
*Mario Schüttel*
* Improve feature parity with Rails translations
* Don't create a translation back end if the component has no translation file
* Mark translation keys ending with `html` as HTML-safe
* Always convert keys to String
* Support multiple keys
*Elia Schito*
* Fix errors on `asset_url` helpers when `asset_host` has no protocol.
*Elia Schito*
* Prevent slots from overriding the `#content` method when registering a slot with that name.
*Blake Williams*
* Deprecate `with_slot` in favor of the new [slots API](https://viewcomponent.org/guide/slots.html).
*Manuel Puyol*
## 2.30.0
* Deprecate `with_content_areas` in favor of [slots](https://viewcomponent.org/guide/slots.html).
*Joel Hawksley*
## 2.29.0
* Allow Slot lambdas to share data from the parent component and allow chaining on the returned component.
*Sjors Baltus, Blake Williams*
* Experimental: Add `ViewComponent::Translatable`
* `t` and `translate` now will look first into the sidecar YAML translations file.
* `helpers.t` and `I18n.t` still reference the global Rails translation files.
* `l` and `localize` will still reference the global Rails translation files.
*Elia Schito*
* Fix rendering output of pass through slots when using HAML.
*Alex Robbin, Blake Williams*
* Experimental: call `._sidecar_files` to fetch the sidecar files for a given list of extensions, for example passing `["yml", "yaml"]`.
*Elia Schito*
* Fix bug where a single `jbuilder` template matched multiple template handlers.
*Niels Slot*
## 2.28.0
* Include SlotableV2 by default in Base. **Note:** It's no longer necessary to include `ViewComponent::SlotableV2` to use Slots.
*Joel Hawksley*
* Prepend Preview routes instead of appending, accounting for cases where host application has catchall route.
*Joel Hawksley*
* Fix bug where blocks passed to lambda slots will render incorrectly in certain situations.
*Blake Williams*
## 2.27.0
* Allow customization of the controller used in component tests.
*Alex Robbin*
* Generate preview at overridden path if one exists when using `--preview` flag.
*Nishiki Liu*
## 2.26.1
* Fix bug that raises when trying to use a collection before the component has been compiled.
*Blake Williams*
## 2.26.0
* Delay evaluating component `content` in `render?`, preventing the `content` block from being evaluated when `render?` returns false.
*Blake Williams*
* Don't generate template when using `--inline` flag.
*Hans Lemuet*
* Add `--inline` option to the Haml and Slim generators
*Hans Lemuet*
## 2.25.1
* Experimental: call `._after_compile` class method after a component is compiled.
*Joel Hawksley*
* Fix bug where SlotV2 was rendered as an HTML string when using Slim.
*Manuel Puyol*
## 2.25.0
* Add `--preview` generator option to create an associated preview file.
*Bob Maerten*
* Add argument validation to avoid `content` override.
*Manuel Puyol*
## 2.24.0
* Add `--inline` option to the erb generator. Prevents default erb template from being created and creates a component with a call method.
*Nachiket Pusalkar*
* Add test case for checking presence of `content` in `#render?`.
*Joel Hawksley*
* Rename `master` branch to `main`.
*Joel Hawksley*
## 2.23.2
* Fix bug where rendering a component `with_collection` from a controller raised an error.
*Joel Hawksley*
## 2.23.1
* Fixed out-of-order rendering bug in `ActionView::SlotableV2`
*Blake Williams*
## 2.23.0
* Add `ActionView::SlotableV2`
* `with_slot` becomes `renders_one`.
* `with_slot collection: true` becomes `renders_many`.
* Slot definitions now accept either a component class, component class name, or a lambda instead of a `class_name:` keyword argument.
* Slots now support positional arguments.
* Slots no longer use the `content` attribute to render content, instead relying on `to_s`. for example `<%= my_slot %>`.
* Slot values are no longer set via the `slot` method, and instead use the name of the slot.
*Blake Williams*
* Add `frozen_string_literal: true` to generated component template.
*Max Beizer*
## 2.22.1
* Revert refactor that broke rendering for some users.
*Joel Hawksley*
## 2.22.0
* Add #with_variant to enable inline component variant rendering without template files.
*Nathan Jones*
## 2.21.0
* Only compile components at application initialization if eager loading is enabled.
*Joel Hawksley*
## 2.20.0
* Don't add `/test/components/previews` to preview_paths if directory doesn't exist.
*Andy Holland*
* Add `preview_controller` option to override the controller used for component previews.
*Matt Swanson, Blake Williams, Juan Manuel Ramallo*
## 2.19.1
* Check if `Rails.application` is loaded.
*Gleydson Tavares*
* Add documentation for webpack configuration when using Stimulus controllers.
*Ciprian Redinciuc*
## 2.19.0
* Extend documentation for using Stimulus within sidecar directories.
*Ciprian Redinciuc*
* Subclassed components inherit templates from parent.
*Blake Williams*
* Fix uninitialized constant error from `with_collection` when `eager_load` is disabled.
*Josh Gross*
## 2.18.2
* Raise an error if controller or view context is accessed during initialize as they're only available in render.
*Julian Nadeau*
* Collate test coverage across CI builds, ensuring 100% test coverage.
*Joel Hawksley*
## 2.18.1
* Fix bug where previews didn't work when monkey patch was disabled.
*Mixer Gutierrez*
## 2.18.0
* Fix auto loading of previews (changes no longer require a server restart)
*Matt Brictson*
* Add `default_preview_layout` configuration option to load custom app/views/layouts.
*Jared White, Juan Manuel Ramallo*
* Calculate virtual_path once for all instances of a component class to improve performance.
*Brad Parker*
## 2.17.1
* Fix bug where rendering Slot with empty block resulted in error.
*Joel Hawksley*
## 2.17.0
* Slots return stripped HTML, removing leading and trailing whitespace.
*Jason Long, Joel Hawksley*
## 2.16.0
* Add `--sidecar` option to the erb, haml and slim generators. Places the generated template in the sidecar directory.
*Michael van Rooijen*
## 2.15.0
* Add support for templates as ViewComponent::Preview examples.
*Juan Manuel Ramallo
## 2.14.1
* Allow using `render_inline` in test when the render monkey patch is disabled with `config.view_component.render_monkey_patch_enabled = false` in versions of Rails < 6.1.
*Clément Joubert*
* Fix kwargs warnings in slotable.
Fixes:
```console
view_component/lib/view_component/slotable.rb:98: warning: Using the last argument as keyword parameters is deprecated; maybe ** should be added to the call
view_component/test/app/components/slots_component.rb:18: warning: The called method `initialize' is defined here
```
*Eileen M. Uchitelle*
## 2.14.0
* Add `config.preview_paths` to support multiple locations of component preview files. Deprecate `config.preview_path`.
*Tomas Celizna*
* Only print warning about a missing capybara dependency if the `DEBUG` environment variable is set.
*Richard Macklin*
## 2.13.0
* Add the ability to disable the render monkey patch with `config.view_component.render_monkey_patch_enabled`. In versions of Rails < 6.1, add `render_component` and `render_component_to_string` methods which can be used for rendering components instead of `render`.
*Johannes Engl*
## 2.12.0
* Implement Slots as potential successor to Content Areas.
*Jens Ljungblad, Brian Bugh, Jon Palmer, Joel Hawksley*
## 2.11.1
* Fix kwarg warnings in Ruby 2.7.
*Joel Hawksley*
## 2.11.0
* Ensure Rails configuration is available within components.
*Trevor Broaddus*
* Fix bug where global Rails helpers are inaccessible from nested components. Before, `helpers` was pointing to parent component.
*Franco Sebregondi*
## 2.10.0
* Raise an `ArgumentError` with a helpful message when Ruby can't parse a component class.
*Max Beizer*
## 2.9.0
* Cache components per-request in development, preventing unnecessary recompilation during a single request.
*Felipe Sateler*
## 2.8.0
* Add `before_render`, deprecating `before_render_check`.
*Joel Hawksley*
## 2.7.0
* Add `rendered_component` method to `ViewComponent::TestHelpers` which exposes the raw output of the rendered component.
*Richard Macklin*
* Support sidecar directories for views and other assets.
*Jon Palmer*
## 2.6.0
* Add `config.view_component.preview_route` to set the endpoint for component previews. By default `/rails/view_components` is used.
*Juan Manuel Ramallo*
* Raise error when initializer omits with_collection_parameter.
*Joel Hawksley*
## 2.5.1
* Compile component before rendering collection.
*Rainer Borene*
## v2.5.0
* Add counter variables when rendering collections.
*Frank S*
* Add the ability to access params from preview examples.
*Fabio Cantoni*
## v2.4.0
* Add `#render_to_string` support.
*Jarod Reid*
* Declare explicit dependency on `activesupport`.
*Richard Macklin*
* Remove `autoload`s of internal modules (`Previewable`, `RenderMonkeyPatch`, `RenderingMonkeyPatch`).
*Richard Macklin*
* Remove `capybara` dependency.
*Richard Macklin*
## v2.3.0
* Allow using inline render method(s) defined on a parent.
*Simon Rand*
* Fix bug where inline variant render methods would never be called.
*Simon Rand*
* ViewComponent preview index views use Rails internal layout instead of application's layout
*Juan Manuel Ramallo*
## v2.2.2
* Add `Base.format` for better compatibility with `ActionView::Template`.
*Joel Hawksley*
## v2.2.1
* Fix bug where template couldn't be found if `inherited` was redefined.
*Joel Hawksley*
## v2.2.0
* Add support for `config.action_view.annotate_template_file_names` (coming in Rails 6.1).
*Joel Hawksley*
* Remove initializer requirement from the component.
*Vasiliy Ermolovich*
## v2.1.0
* Support rendering collections (for example, `render(MyComponent.with_collection(@items))`).
*Tim Clem*
## v2.0.0
* Move to `ViewComponent` namespace, removing all references to `ActionView`.
* The gem name is now `view_component`.
* ViewComponent previews are now accessed at `/rails/view_components`.
* ViewComponents can _only_ be rendered with the instance syntax: `render(MyComponent.new)`. Support for all other syntaxes has been removed.
* ActiveModel::Validations have been removed. ViewComponent generators no longer include validations.
* In Rails 6.1, no monkey patching is used.
* `to_component_class` has been removed.
* All gem configuration is now in `config.view_component`.
## v1.17.0
* Support Ruby 2.4 in CI.
*Andrew Mason*
* ViewComponent generators don't not prompt for content requirement.
*Joel Hawksley*
* Add post-install message that gem has been renamed to `view_component`.
*Joel Hawksley*
## v1.16.0
* Add `refute_component_rendered` test helper.
*Joel Hawksley*
* Check for Rails before invocation.
*Dave Paola*
* Allow components to be rendered without a template file (aka inline component).
*Rainer Borene*
## v1.15.0
* Re-introduce ActionView::Component::TestHelpers.
*Joel Hawksley*
* Bypass monkey patch on Rails 6.1 builds.
*Joel Hawksley*
* Make `ActionView::Helpers::TagHelper` available in Previews.
```ruby
def with_html_content
render(MyComponent.new) do
tag.div do
content_tag(:span, "Hello")
end
end
end
```
*Sean Doyle*
## v1.14.1
* Fix bug where generator created invalid test code.
*Joel Hawksley*
## v1.14.0
* Rename ActionView::Component::Base to ViewComponent::Base
*Joel Hawksley*
## v1.13.0
* Allow components to be rendered inside controllers.
*Joel Hawksley*
* Improve backtraces from exceptions raised in templates.
*Blake Williams*
## v1.12.0
* Revert: Remove initializer requirement for Ruby 2.7+
*Joel Hawksley*
* Restructure Railtie into Engine
*Sean Doyle*
* Allow components to override before_render_check
*Joel Hawksley*
## v1.11.1
* Relax Capybara requirement.
*Joel Hawksley*
## v1.11.0
* Add support for Capybara matchers.
*Joel Hawksley*
* Add erb, haml, & slim template generators
*Asger Behncke Jacobsen*
## v1.10.0
* Deprecate all `render` syntaxes except for `render(MyComponent.new(foo: :bar))`
*Joel Hawksley*
## v1.9.0
* Remove initializer requirement for Ruby 2.7+
*Dylan Clark*
## v1.8.1
* Run validation checks before calling `#render?`.
*Ash Wilson*
## v1.8.0
* Remove the unneeded ComponentExamplesController and simplify preview rendering.
*Jon Palmer*
* Add `#render?` hook to allow components to be no-ops.
*Kyle Fox*
* Don't assume ApplicationController exists.
*Jon Palmer*
* Allow some additional checks to overrided render?
*Sergey Malykh*
* Fix generator placing namespaced components in the root directory.
*Asger Behncke Jacobsen*
* Fix cache test.
*Sergey Malykh*
## v1.7.0
* Simplify validation of templates and compilation.
*Jon Palmer*
* Add support for multiple content areas.
*Jon Palmer*
## v1.6.2
* Fix Uninitialized Constant error.
*Jon Palmer*
* Add basic github issue and PR templates.
*Dylan Clark*
* Update readme phrasing around previews.
*Justin Coyne*
## v1.6.1
* Allow Previews to have no layout.
*Jon Palmer*
* Bump rack from 2.0.7 to 2.0.8.
*Dependabot*
* Compile components on application boot when eager loading is enabled.
*Joel Hawksley*
* Previews support content blocks.
*Cesario Uy*
* Follow Rails conventions. (refactor)
*Rainer Borene*
* Fix edge case issue with extracting variants from less conventional source_locations.
<!-- vale proselint.GenderBias = NO -->
*Ryan Workman*
<!-- vale proselint.GenderBias = YES -->
## v1.6.0
* Avoid dropping elements in the render_inline test helper.
*@dark-panda*
* Add test for helpers.asset_url.
*Christopher Coleman*
* Add rudimentary compatibility with better_html.
*Joel Hawksley*
* Template-less variants fall back to default template.
*Asger Behncke Jacobsen*, *Cesario Uy*
* Generated tests use new naming convention.
*Simon Træls Ravn*
* Eliminate sqlite dependency.
*Simon Dawson*
* Add support for rendering components via #to_component_class
*Vinicius Stock*
## v1.5.3
* Add support for RSpec to generators.
<!-- vale proselint.GenderBias = NO -->
*Dylan Clark, Ryan Workman*
<!-- vale proselint.GenderBias = YES -->
* Require controllers as part of setting autoload paths.
*Joel Hawksley*
## v1.5.2
* Disable eager loading initializer.
*Kasper Meyer*
## v1.5.1
* Update railties class to work with Rails 6.
*Juan Manuel Ramallo*
## v1.5.0
Note: `actionview-component` is now loaded by requiring `actionview/component`, not `actionview/component/base`.
* Fix issue with generating component method signatures.
<!-- vale proselint.GenderBias = NO -->
*Ryan Workman, Dylan Clark*
<!-- vale proselint.GenderBias = YES -->
* Create component generator.
*Vinicius Stock*
* Add helpers proxy.
*Kasper Meyer*
* Introduce ActionView::Component::Previews.
*Juan Manuel Ramallo*
## v1.4.0
* Fix bug where components broke in application paths with periods.
*Anton, Joel Hawksley*
* Add support for `cache_if` in component templates.
*Aaron Patterson, Joel Hawksley*
* Add support for variants.
*Juan Manuel Ramallo*
* Fix bug in virtual path lookup.
*Juan Manuel Ramallo*
* Preselect the rendered component in render_inline.
*Elia Schito*
## v1.3.6
* Allow template file names without format.
*Joel Hawksley*
* Add support for translations.
*Juan Manuel Ramallo*
## v1.3.5
* Re-expose `controller` method.
*Michael Emhofer, Joel Hawksley*
* Gem version numbers are now accessible through `ActionView::Component::VERSION`
*Richard Macklin*
* Fix typo in README
*ars moriendi*
## v1.3.4
* Template errors surface correct file and line number.
*Justin Coyne*
* Allow access to `request` inside components.
*Joel Hawksley*
## v1.3.3
* Don't raise error when sidecar files that aren't templates exist.
*Joel Hawksley*
## v1.3.2
* Support rendering views from inside component templates.
*Patrick Sinclair*
## v1.3.1
* Fix bug where rendering nested content caused an error.
*Joel Hawksley, Aaron Patterson*
## v1.3.0
* Components are rendered with enough controller context to support rendering of partials and forms.
*Patrick Sinclair, Joel Hawksley, Aaron Patterson*
## v1.2.1
* `actionview-component` is now tested against Ruby 2.3/2.4 and Rails 5.0.0.
## v1.2.0
* The `render_component` test helper has been renamed to `render_inline`. `render_component` has been deprecated and will be removed in v2.0.0.
*Joel Hawksley*
* Components are now rendered with `render MyComponent, foo: :bar` syntax. The existing `render MyComponent.new(foo: :bar)` syntax has been deprecated and will be removed in v2.0.0.
*Joel Hawksley*
## v1.1.0
* Components now inherit from ActionView::Component::Base
*Joel Hawksley*
## v1.0.1
* Always recompile component templates outside production.
*Joel Hawksley, John Hawthorn*
## v1.0.0
This release extracts the `ActionView::Component` library from the GitHub application.
It will be published on RubyGems under the existing `actionview-component` gem name, as @chancancode has passed us ownership of the gem.
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