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yamitake/html_tag_helper.rb

Created July 11, 2025 07:07
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Lightweight HTML tag DSL for Rails views, including support for both standard and self-closing tags.
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html_tag_helper.rb
module HtmlTagHelper
NORMAL_TAGS = %i[
a abbr address article aside audio b bdi bdo blockquote body button canvas caption
cite code colgroup data datalist dd del details dfn dialog div dl dt em fieldset figcaption figure
footer form h1 h2 h3 h4 h5 h6 header hgroup html i iframe ins kbd label legend li main map mark menu
meter nav noscript object ol optgroup option output p picture pre progress q rp rt ruby s samp script
section select small span strong style sub summary sup table tbody td template textarea tfoot th thead
time title tr u ul var video
]
VOID_TAGS = %i[
area base br col embed hr img input link meta source track wbr
]
def self.included(base)
# 通常の開閉タグ用ヘルパー
NORMAL_TAGS.each do |tag|
base.define_method(tag) do |content = nil, **options, &block|
content_tag(tag, content || capture(&block), **options)
end
end
# 自閉タグ用ヘルパー
VOID_TAGS.each do |tag|
base.define_method(tag) do |**options|
tag(tag, **options)
end
end
end
end
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