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Versions: 22
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Contents
# frozen-string-literal: true
require 'erb/escape'
#
class Roda
module RodaPlugins
# The erb_h plugin adds an +h+ instance method that will HTML
# escape the input and return it. This is similar to the h
# plugin, but it uses erb/escape to implement the HTML escaping,
# which offers faster performance.
#
# To make sure that this speeds up applications using the h
# plugin, this depends on the h plugin, and overrides the
# h method.
#
# The following example will return "<foo>" as the body.
#
# plugin :erb_h
#
# route do |r|
# h('<foo>')
# end
#
# The faster performance offered by the erb_h plugin is due
# to erb/escape avoiding allocations if not needed (returning the
# input object if no escaping is needed). That behavior change
# can cause problems if you mutate the result of the h method
# (which can mutate the input), or mutate the input of the h
# method after calling it (which can mutate the result).
module ErbH
def self.load_dependencies(app)
app.plugin :h
end
module InstanceMethods
define_method(:h, ERB::Escape.instance_method(:html_escape))
end
end
register_plugin(:erb_h, ErbH)
end
end
Version data entries
22 entries across 22 versions & 1 rubygems