/
elements.rb
93 lines (87 loc) · 1.39 KB
/
elements.rb
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# frozen_string_literal: true
require 'set'
module Loofah
module Elements
STRICT_BLOCK_LEVEL_HTML4 = Set.new %w[
address
blockquote
center
dir
div
dl
fieldset
form
h1
h2
h3
h4
h5
h6
hr
isindex
menu
noframes
noscript
ol
p
pre
table
ul
]
# https://developer.mozilla.org/en-US/docs/Web/HTML/Block-level_elements
STRICT_BLOCK_LEVEL_HTML5 = Set.new %w[
address
article
aside
blockquote
canvas
dd
div
dl
dt
fieldset
figcaption
figure
footer
form
h1
h2
h3
h4
h5
h6
header
hgroup
hr
li
main
nav
noscript
ol
output
p
pre
section
table
tfoot
ul
video
]
STRICT_BLOCK_LEVEL = STRICT_BLOCK_LEVEL_HTML4 + STRICT_BLOCK_LEVEL_HTML5
# The following elements may also be considered block-level
# elements since they may contain block-level elements
LOOSE_BLOCK_LEVEL = Set.new %w[dd
dt
frameset
li
tbody
td
tfoot
th
thead
tr
]
BLOCK_LEVEL = STRICT_BLOCK_LEVEL + LOOSE_BLOCK_LEVEL
end
::Loofah::MetaHelpers.add_downcased_set_members_to_all_set_constants ::Loofah::Elements
end