-
-
Notifications
You must be signed in to change notification settings - Fork 27
/
helper_macros.rb
75 lines (64 loc) · 1.73 KB
/
helper_macros.rb
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
# frozen_string_literal: true
module Phlex::Rails::HelperMacros
# Register a Rails helper that returns safe HTML to be pushed to the output buffer.
def register_output_helper(method_name)
class_eval(<<-RUBY, __FILE__, __LINE__ + 1)
# frozen_string_literal: true
def #{method_name}(*args, **kwargs, &block)
context = @_context
return if context.fragments && !context.in_target_fragment
output = if block
helpers.#{method_name}(*args, **kwargs) { capture(&block) }
else
helpers.#{method_name}(*args, **kwargs)
end
case output
when ActiveSupport::SafeBuffer
@_context.target << output
end
nil
end
RUBY
end
# Register a Rails helper that returns a value that shouldn’t be pushed to the output buffer.
def register_value_helper(method_name)
class_eval(<<-RUBY, __FILE__, __LINE__ + 1)
# frozen_string_literal: true
def #{method_name}(*args, **kwargs, &block)
if block
helpers.#{method_name}(*args, **kwargs) { capture(&block) }
else
helpers.#{method_name}(*args, **kwargs)
end
end
RUBY
end
# @api private
def register_builder_yielding_helper(method_name, builder)
class_eval(<<-RUBY, __FILE__, __LINE__ + 1)
# frozen_string_literal: true
def #{method_name}(*args, **kwargs)
context = @_context
return if context.fragments && !context.in_target_fragment
output = if block_given?
helpers.#{method_name}(*args, **kwargs) { |form|
capture do
yield(
#{builder.name}.new(form,
view: self
)
)
end
}
else
helpers.#{method_name}(*args, **kwargs)
end
case output
when ActiveSupport::SafeBuffer
@_context.target << output
end
nil
end
RUBY
end
end