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Contents
# frozen_string_literal: true
module ConvenientService
module Utils
module String
##
# Converts strings to UpperCamelCase (`capitalize_first_letter` option is set to `true` by default).
# Implementation is very basic just to serve the need of this library.
# More comprehensive solution can be found in Rails, for example:
# - https://github.com/rails/rails/blob/5aaaa1630ae9a71b3c3ecc4dc46074d678c08d67/activesupport/lib/active_support/core_ext/string/inflections.rb#L103
# - https://github.com/rails/rails/blob/5aaaa1630ae9a71b3c3ecc4dc46074d678c08d67/activesupport/lib/active_support/inflector/methods.rb#L53
#
class Camelize < Support::Command
##
# @!attribute [r] string
# @return [#to_s]
#
attr_reader :string
##
# @!attribute [r] capitalize_first_letter
# @return [Boolean]
#
attr_reader :capitalize_first_letter
##
# @param string [Symbol, String]
# @return [void]
#
def initialize(string, capitalize_first_letter: true)
@string = string.to_s
@capitalize_first_letter = capitalize_first_letter
end
##
# @return [String]
#
def call
camelized = string.split(/[:_?!\-\ ]/).map { |part| upcase_first_char(part) }.join
camelized[0] = camelized[0].downcase unless capitalize_first_letter
camelized
end
private
def upcase_first_char(part)
return part if part.empty?
"#{part[0].upcase}#{part[1..]}"
end
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems