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instance method

JSON::GeneratorMethods#to_json

to_json(*)

ext/json/lib/json/common.rb View on GitHub ↗

# File tmp/rubies/ruby-4.1.0-preview1/ext/json/lib/json/common.rb, line 887
def to_json(state = nil, *)
  obj = case self
  when nil, false, true, Integer, Float, Array, Hash
    self
  else
    "#{self}"
  end

  if state.nil?
    JSON::State._generate_no_fallback(obj, nil, nil)
  else
    JSON::State.from_state(state)._generate_no_fallback(obj)
  end
end

Converts this object into a JSON string. If this object doesn’t directly maps to a JSON native type, first convert it to a string (calling to_s), then converts it to a JSON string, and returns the result. This is a fallback, if no special method to_json was defined for some object.