1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
|
# frozen_string_literal: true
module Temple
module HTML
# This filter sorts html attributes.
# @api public
class AttributeSorter < Filter
define_options sort_attrs: true
def call(exp)
options[:sort_attrs] ? super : exp
end
def on_html_attrs(*attrs)
n = 0 # Use n to make sort stable. This is important because the merger could be executed afterwards.
[:html, :attrs, *attrs.sort_by do |attr|
raise(InvalidExpression, 'Attribute is not a html attr') if attr[0] != :html || attr[1] != :attr
[attr[2].to_s, n += 1]
end]
end
end
end
end
|
