HTML Attributes Utilities
This is a small library intended to make it easier to deal with HTML attributes. It was written to reduce overlap in the govuk-components and govuk-formbuilder libraries.
It provides refinements for Hash that allow:
- deep merging while protecting default values from being overwritten
- tidying hashes by removing key/value pairs that have empty or nil values
Example use
require "html_attributes_utils"
def MyPresenter
using HTMLAttributesUtils
def initialize(custom_attributes = {})
@custom_attributes = custom_attributes
end
def attributes
default_attributes
.deep_merge_html_attributes(@custom_attributes)
.deep_tidy_html_attributes
end
private
def default_attributes
{ lang: "en-GB", class: "govuk-juggling-widget" }
end
end
MyPresenter.new(lang: "fr", class: "stripes", some_other_attr: "").attributes
=> { lang: "fr", class: ["govuk-juggling-widget", "stripes"] }