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The component system

Components are packages of template, style, behaviour and documentation. Components live in your application unless needed by multiple applications, then they are shared using the govuk_publishing_components gem.

Component guides

Components in applications are documented in component guides using the govuk_publishing_components gem. It mounts a component guide at the path /component-guide.

Find components in these guides:

Building components

A component must:

The govuk_publishing_components gem provides a generator to stub the files you’ll need in each component:

bundle exec rails generate govuk_publishing_components:component [component_name]

For example, a lead paragraph component would be included in a template like this:

<%= render 'components/lead-paragraph', text: "A description is one or two leading sentences" %>
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