# File lib/json/common.rb, line 214 214: def pretty_generate(obj, opts = nil) 215: state = JSON.state.new( 216: :indent => ' ', 217: :space => ' ', 218: :object_nl => "\n", 219: :array_nl => "\n", 220: :check_circular => true 221: ) 222: if opts 223: if opts.respond_to? :to_hash 224: opts = opts.to_hash 225: elsif opts.respond_to? :to_h 226: opts = opts.to_h 227: else 228: raise TypeError, "can't convert #{opts.class} into Hash" 229: end 230: state.configure(opts) 231: end 232: obj.to_json(state) 233: end