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Contents
module CoreExtensions
module Hash
module ClassMethods
module Nesting
# create hash with default nested structures
# @example
# h = Hash.new_nested Hash, Array
# h[:a] # => {}
# h[:b][:c] # => []
def new_nested *classes
initialize_nested classes.unshift ::Hash
end
def initialize_nested classes, level=0
return classes[level].new if level == classes.size - 1
classes[level].new do |h, k|
h[k] = initialize_nested classes, level + 1
end
end
end
end
module Merging
# attach CSS classes
# @example
# {}.css_merge({:class => "btn"}) # => {:class=>"btn"}
#
# h = {:class => "btn"} # => {:class=>"btn"}
# h.css_merge({:class => "btn-primary"}) # => {:class=>"btn
# btn-primary"}
def css_merge other_hash, separator=" "
merge(other_hash) do |key, old, new|
key == :class ? old.to_s + separator + new.to_s : new
end
end
def css_merge! other_hash, separator=" "
merge!(other_hash) do |key, old, new|
key == :class ? old.to_s + separator + new.to_s : new
end
end
# merge string values with `separator`
def string_merge other_hash, separator=" "
merge(other_hash) do |_key, old, new|
old.is_a?(String) ? old + separator + new.to_s : new
end
end
def string_merge! other_hash, separator=" "
merge!(other_hash) do |_key, old, new|
old.is_a?(String) ? old + separator + new.to_s : new
end
end
end
end
end
Version data entries
33 entries across 33 versions & 1 rubygems