24 lines
794 B
Ruby
24 lines
794 B
Ruby
# frozen_string_literal: true
|
|
|
|
module SafeFormatHelper
|
|
# Returns a HTML-safe string where +format+ and +args+ are escaped via
|
|
# `html_escape` if they are not marked as HTML-safe.
|
|
#
|
|
# Argument +format+ must not be marked as HTML-safe via `.html_safe`.
|
|
#
|
|
# Example:
|
|
# safe_format('Some %{open}bold%{close} text.', open: '<strong>'.html_safe, close: '</strong>'.html_safe)
|
|
# # => 'Some <strong>bold</strong>'
|
|
# safe_format('See %{user_input}', user_input: '<b>bold</b>')
|
|
# # => 'See <b>bold</b>
|
|
#
|
|
def safe_format(format, **args)
|
|
raise ArgumentError, 'Argument `format` must not be marked as html_safe!' if format.html_safe?
|
|
|
|
format(
|
|
html_escape(format),
|
|
args.transform_values { |value| html_escape(value) }
|
|
).html_safe
|
|
end
|
|
end
|