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Contents
class Object
# An object is blank if it's false, empty, or a whitespace string.
# For example, "", " ", +nil+, [], and {} are all blank.
#
# This simplifies:
#
# if address.nil? || address.empty?
#
# ...to:
#
# if address.blank?
def blank?
respond_to?(:empty?) ? empty? : !self
end
# An object is present if it's not <tt>blank?</tt>.
def present?
!blank?
end
# Returns object if it's <tt>present?</tt> otherwise returns +nil+.
# <tt>object.presence</tt> is equivalent to <tt>object.present? ? object : nil</tt>.
#
# This is handy for any representation of objects where blank is the same
# as not present at all. For example, this simplifies a common check for
# HTTP POST/query parameters:
#
# state = params[:state] if params[:state].present?
# country = params[:country] if params[:country].present?
# region = state || country || 'US'
#
# ...becomes:
#
# region = params[:state].presence || params[:country].presence || 'US'
def presence
self if present?
end
def trim
respond_to?(:strip) ? self.strip : self
end
end
class Hash
def validate_required_strings!
self.each do |key, value|
raise FinApps::REST::MissingArgumentsError.new "Missing argument: #{key}." if value.blank?
raise FinApps::REST::InvalidArgumentsError.new "Invalid #{key} specified: #{value.inspect} must be a string or symbol." unless value.is_a?(String) || value.is_a?(Symbol)
end
end
def compact
self.delete_if { |_, v| v.nil? }
end
end
Version data entries
97 entries across 97 versions & 1 rubygems