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Versions: 7
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Stored size: 1.2 KB
Contents
# frozen_string_literal: true
module Nocode
module Util
# A hash-like object which ensures all keys are strings.
class Dictionary
extend Forwardable
NEWLINE_CHAR = "\n"
class << self
def ensure(value)
if value.is_a?(self)
value
else
new(value)
end
end
end
attr_reader :values
def_delegators :values, :empty?
def initialize(values = {})
@values = {}
(values || {}).each { |k, v| assign(k, v) }
freeze
end
def delete(key)
tap { values.delete(keyify(key)) }
end
def []=(key, value)
tap { values[keyify(key)] = value }
end
def [](key)
values[keyify(key)]
end
def dig(*keys)
top_level = keyify(keys.first)
keys = [top_level] + keys[1..]
values.dig(*keys)
end
def key?(key)
values.key?(keyify(key))
end
def to_s
values.map { |k, v| "#{k}: #{v}" }.join(NEWLINE_CHAR)
end
private
def assign(key, value)
values[keyify(key)] = value
end
def keyify(value)
value.to_s
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems