Add bin and edit workflow

bin/gems/json-2.10.2/lib/json/add/bigdecimal.rb

@@ -0,0 +1,58 @@
+# frozen_string_literal: true
+unless defined?(::JSON::JSON_LOADED) and ::JSON::JSON_LOADED
+  require 'json'
+end
+begin
+  require 'bigdecimal'
+rescue LoadError
+end
+
+class BigDecimal
+
+  # See #as_json.
+  def self.json_create(object)
+    BigDecimal._load object['b']
+  end
+
+  # Methods <tt>BigDecimal#as_json</tt> and +BigDecimal.json_create+ may be used
+  # to serialize and deserialize a \BigDecimal object;
+  # see Marshal[https://docs.ruby-lang.org/en/master/Marshal.html].
+  #
+  # \Method <tt>BigDecimal#as_json</tt> serializes +self+,
+  # returning a 2-element hash representing +self+:
+  #
+  #   require 'json/add/bigdecimal'
+  #   x = BigDecimal(2).as_json             # => {"json_class"=>"BigDecimal", "b"=>"27:0.2e1"}
+  #   y = BigDecimal(2.0, 4).as_json        # => {"json_class"=>"BigDecimal", "b"=>"36:0.2e1"}
+  #   z = BigDecimal(Complex(2, 0)).as_json # => {"json_class"=>"BigDecimal", "b"=>"27:0.2e1"}
+  #
+  # \Method +JSON.create+ deserializes such a hash, returning a \BigDecimal object:
+  #
+  #   BigDecimal.json_create(x) # => 0.2e1
+  #   BigDecimal.json_create(y) # => 0.2e1
+  #   BigDecimal.json_create(z) # => 0.2e1
+  #
+  def as_json(*)
+    {
+      JSON.create_id => self.class.name,
+      'b'            => _dump.force_encoding(Encoding::UTF_8),
+    }
+  end
+
+  # Returns a JSON string representing +self+:
+  #
+  #   require 'json/add/bigdecimal'
+  #   puts BigDecimal(2).to_json
+  #   puts BigDecimal(2.0, 4).to_json
+  #   puts BigDecimal(Complex(2, 0)).to_json
+  #
+  # Output:
+  #
+  #   {"json_class":"BigDecimal","b":"27:0.2e1"}
+  #   {"json_class":"BigDecimal","b":"36:0.2e1"}
+  #   {"json_class":"BigDecimal","b":"27:0.2e1"}
+  #
+  def to_json(*args)
+    as_json.to_json(*args)
+  end
+end if defined?(::BigDecimal)

bin/gems/json-2.10.2/lib/json/add/complex.rb

@@ -0,0 +1,51 @@
+# frozen_string_literal: true
+unless defined?(::JSON::JSON_LOADED) and ::JSON::JSON_LOADED
+  require 'json'
+end
+
+class Complex
+
+  # See #as_json.
+  def self.json_create(object)
+    Complex(object['r'], object['i'])
+  end
+
+  # Methods <tt>Complex#as_json</tt> and +Complex.json_create+ may be used
+  # to serialize and deserialize a \Complex object;
+  # see Marshal[https://docs.ruby-lang.org/en/master/Marshal.html].
+  #
+  # \Method <tt>Complex#as_json</tt> serializes +self+,
+  # returning a 2-element hash representing +self+:
+  #
+  #   require 'json/add/complex'
+  #   x = Complex(2).as_json      # => {"json_class"=>"Complex", "r"=>2, "i"=>0}
+  #   y = Complex(2.0, 4).as_json # => {"json_class"=>"Complex", "r"=>2.0, "i"=>4}
+  #
+  # \Method +JSON.create+ deserializes such a hash, returning a \Complex object:
+  #
+  #   Complex.json_create(x) # => (2+0i)
+  #   Complex.json_create(y) # => (2.0+4i)
+  #
+  def as_json(*)
+    {
+      JSON.create_id => self.class.name,
+      'r'            => real,
+      'i'            => imag,
+    }
+  end
+
+  # Returns a JSON string representing +self+:
+  #
+  #   require 'json/add/complex'
+  #   puts Complex(2).to_json
+  #   puts Complex(2.0, 4).to_json
+  #
+  # Output:
+  #
+  #   {"json_class":"Complex","r":2,"i":0}
+  #   {"json_class":"Complex","r":2.0,"i":4}
+  #
+  def to_json(*args)
+    as_json.to_json(*args)
+  end
+end

bin/gems/json-2.10.2/lib/json/add/core.rb

@@ -0,0 +1,12 @@
+# frozen_string_literal: true
+# This file requires the implementations of ruby core's custom objects for
+# serialisation/deserialisation.
+
+require 'json/add/date'
+require 'json/add/date_time'
+require 'json/add/exception'
+require 'json/add/range'
+require 'json/add/regexp'
+require 'json/add/struct'
+require 'json/add/symbol'
+require 'json/add/time'

bin/gems/json-2.10.2/lib/json/add/date.rb

@@ -0,0 +1,54 @@
+# frozen_string_literal: true
+unless defined?(::JSON::JSON_LOADED) and ::JSON::JSON_LOADED
+  require 'json'
+end
+require 'date'
+
+class Date
+
+  # See #as_json.
+  def self.json_create(object)
+    civil(*object.values_at('y', 'm', 'd', 'sg'))
+  end
+
+  alias start sg unless method_defined?(:start)
+
+  # Methods <tt>Date#as_json</tt> and +Date.json_create+ may be used
+  # to serialize and deserialize a \Date object;
+  # see Marshal[https://docs.ruby-lang.org/en/master/Marshal.html].
+  #
+  # \Method <tt>Date#as_json</tt> serializes +self+,
+  # returning a 2-element hash representing +self+:
+  #
+  #   require 'json/add/date'
+  #   x = Date.today.as_json
+  #   # => {"json_class"=>"Date", "y"=>2023, "m"=>11, "d"=>21, "sg"=>2299161.0}
+  #
+  # \Method +JSON.create+ deserializes such a hash, returning a \Date object:
+  #
+  #   Date.json_create(x)
+  #   # => #<Date: 2023-11-21 ((2460270j,0s,0n),+0s,2299161j)>
+  #
+  def as_json(*)
+    {
+      JSON.create_id => self.class.name,
+      'y' => year,
+      'm' => month,
+      'd' => day,
+      'sg' => start,
+    }
+  end
+
+  # Returns a JSON string representing +self+:
+  #
+  #   require 'json/add/date'
+  #   puts Date.today.to_json
+  #
+  # Output:
+  #
+  #   {"json_class":"Date","y":2023,"m":11,"d":21,"sg":2299161.0}
+  #
+  def to_json(*args)
+    as_json.to_json(*args)
+  end
+end

bin/gems/json-2.10.2/lib/json/add/date_time.rb

@@ -0,0 +1,67 @@
+# frozen_string_literal: true
+unless defined?(::JSON::JSON_LOADED) and ::JSON::JSON_LOADED
+  require 'json'
+end
+require 'date'
+
+class DateTime
+
+  # See #as_json.
+  def self.json_create(object)
+    args = object.values_at('y', 'm', 'd', 'H', 'M', 'S')
+    of_a, of_b = object['of'].split('/')
+    if of_b and of_b != '0'
+      args << Rational(of_a.to_i, of_b.to_i)
+    else
+      args << of_a
+    end
+    args << object['sg']
+    civil(*args)
+  end
+
+  alias start sg unless method_defined?(:start)
+
+  # Methods <tt>DateTime#as_json</tt> and +DateTime.json_create+ may be used
+  # to serialize and deserialize a \DateTime object;
+  # see Marshal[https://docs.ruby-lang.org/en/master/Marshal.html].
+  #
+  # \Method <tt>DateTime#as_json</tt> serializes +self+,
+  # returning a 2-element hash representing +self+:
+  #
+  #   require 'json/add/datetime'
+  #   x = DateTime.now.as_json
+  #   # => {"json_class"=>"DateTime", "y"=>2023, "m"=>11, "d"=>21, "sg"=>2299161.0}
+  #
+  # \Method +JSON.create+ deserializes such a hash, returning a \DateTime object:
+  #
+  #   DateTime.json_create(x) # BUG? Raises Date::Error "invalid date"
+  #
+  def as_json(*)
+    {
+      JSON.create_id => self.class.name,
+      'y' => year,
+      'm' => month,
+      'd' => day,
+      'H' => hour,
+      'M' => min,
+      'S' => sec,
+      'of' => offset.to_s,
+      'sg' => start,
+    }
+  end
+
+  # Returns a JSON string representing +self+:
+  #
+  #   require 'json/add/datetime'
+  #   puts DateTime.now.to_json
+  #
+  # Output:
+  #
+  #   {"json_class":"DateTime","y":2023,"m":11,"d":21,"sg":2299161.0}
+  #
+  def to_json(*args)
+    as_json.to_json(*args)
+  end
+end
+
+

bin/gems/json-2.10.2/lib/json/add/exception.rb

@@ -0,0 +1,49 @@
+# frozen_string_literal: true
+unless defined?(::JSON::JSON_LOADED) and ::JSON::JSON_LOADED
+  require 'json'
+end
+
+class Exception
+
+  # See #as_json.
+  def self.json_create(object)
+    result = new(object['m'])
+    result.set_backtrace object['b']
+    result
+  end
+
+  # Methods <tt>Exception#as_json</tt> and +Exception.json_create+ may be used
+  # to serialize and deserialize a \Exception object;
+  # see Marshal[https://docs.ruby-lang.org/en/master/Marshal.html].
+  #
+  # \Method <tt>Exception#as_json</tt> serializes +self+,
+  # returning a 2-element hash representing +self+:
+  #
+  #   require 'json/add/exception'
+  #   x = Exception.new('Foo').as_json # => {"json_class"=>"Exception", "m"=>"Foo", "b"=>nil}
+  #
+  # \Method +JSON.create+ deserializes such a hash, returning a \Exception object:
+  #
+  #   Exception.json_create(x) # => #<Exception: Foo>
+  #
+  def as_json(*)
+    {
+      JSON.create_id => self.class.name,
+      'm'            => message,
+      'b'            => backtrace,
+    }
+  end
+
+  # Returns a JSON string representing +self+:
+  #
+  #   require 'json/add/exception'
+  #   puts Exception.new('Foo').to_json
+  #
+  # Output:
+  #
+  #   {"json_class":"Exception","m":"Foo","b":null}
+  #
+  def to_json(*args)
+    as_json.to_json(*args)
+  end
+end

bin/gems/json-2.10.2/lib/json/add/ostruct.rb

@@ -0,0 +1,54 @@
+# frozen_string_literal: true
+unless defined?(::JSON::JSON_LOADED) and ::JSON::JSON_LOADED
+  require 'json'
+end
+begin
+  require 'ostruct'
+rescue LoadError
+end
+
+class OpenStruct
+
+  # See #as_json.
+  def self.json_create(object)
+    new(object['t'] || object[:t])
+  end
+
+  # Methods <tt>OpenStruct#as_json</tt> and +OpenStruct.json_create+ may be used
+  # to serialize and deserialize a \OpenStruct object;
+  # see Marshal[https://docs.ruby-lang.org/en/master/Marshal.html].
+  #
+  # \Method <tt>OpenStruct#as_json</tt> serializes +self+,
+  # returning a 2-element hash representing +self+:
+  #
+  #   require 'json/add/ostruct'
+  #   x = OpenStruct.new('name' => 'Rowdy', :age => nil).as_json
+  #   # => {"json_class"=>"OpenStruct", "t"=>{:name=>'Rowdy', :age=>nil}}
+  #
+  # \Method +JSON.create+ deserializes such a hash, returning a \OpenStruct object:
+  #
+  #   OpenStruct.json_create(x)
+  #   # => #<OpenStruct name='Rowdy', age=nil>
+  #
+  def as_json(*)
+    klass = self.class.name
+    klass.to_s.empty? and raise JSON::JSONError, "Only named structs are supported!"
+    {
+      JSON.create_id => klass,
+      't'            => table,
+    }
+  end
+
+  # Returns a JSON string representing +self+:
+  #
+  #   require 'json/add/ostruct'
+  #   puts OpenStruct.new('name' => 'Rowdy', :age => nil).to_json
+  #
+  # Output:
+  #
+  #   {"json_class":"OpenStruct","t":{'name':'Rowdy',"age":null}}
+  #
+  def to_json(*args)
+    as_json.to_json(*args)
+  end
+end if defined?(::OpenStruct)

bin/gems/json-2.10.2/lib/json/add/range.rb

@@ -0,0 +1,54 @@
+# frozen_string_literal: true
+unless defined?(::JSON::JSON_LOADED) and ::JSON::JSON_LOADED
+  require 'json'
+end
+
+class Range
+
+  # See #as_json.
+  def self.json_create(object)
+    new(*object['a'])
+  end
+
+  # Methods <tt>Range#as_json</tt> and +Range.json_create+ may be used
+  # to serialize and deserialize a \Range object;
+  # see Marshal[https://docs.ruby-lang.org/en/master/Marshal.html].
+  #
+  # \Method <tt>Range#as_json</tt> serializes +self+,
+  # returning a 2-element hash representing +self+:
+  #
+  #   require 'json/add/range'
+  #   x = (1..4).as_json     # => {"json_class"=>"Range", "a"=>[1, 4, false]}
+  #   y = (1...4).as_json    # => {"json_class"=>"Range", "a"=>[1, 4, true]}
+  #   z = ('a'..'d').as_json # => {"json_class"=>"Range", "a"=>["a", "d", false]}
+  #
+  # \Method +JSON.create+ deserializes such a hash, returning a \Range object:
+  #
+  #   Range.json_create(x) # => 1..4
+  #   Range.json_create(y) # => 1...4
+  #   Range.json_create(z) # => "a".."d"
+  #
+  def as_json(*)
+    {
+      JSON.create_id  => self.class.name,
+      'a'             => [ first, last, exclude_end? ]
+    }
+  end
+
+  # Returns a JSON string representing +self+:
+  #
+  #   require 'json/add/range'
+  #   puts (1..4).to_json
+  #   puts (1...4).to_json
+  #   puts ('a'..'d').to_json
+  #
+  # Output:
+  #
+  #   {"json_class":"Range","a":[1,4,false]}
+  #   {"json_class":"Range","a":[1,4,true]}
+  #   {"json_class":"Range","a":["a","d",false]}
+  #
+  def to_json(*args)
+    as_json.to_json(*args)
+  end
+end

bin/gems/json-2.10.2/lib/json/add/rational.rb

@@ -0,0 +1,49 @@
+# frozen_string_literal: true
+unless defined?(::JSON::JSON_LOADED) and ::JSON::JSON_LOADED
+  require 'json'
+end
+
+class Rational
+
+  # See #as_json.
+  def self.json_create(object)
+    Rational(object['n'], object['d'])
+  end
+
+  # Methods <tt>Rational#as_json</tt> and +Rational.json_create+ may be used
+  # to serialize and deserialize a \Rational object;
+  # see Marshal[https://docs.ruby-lang.org/en/master/Marshal.html].
+  #
+  # \Method <tt>Rational#as_json</tt> serializes +self+,
+  # returning a 2-element hash representing +self+:
+  #
+  #   require 'json/add/rational'
+  #   x = Rational(2, 3).as_json
+  #   # => {"json_class"=>"Rational", "n"=>2, "d"=>3}
+  #
+  # \Method +JSON.create+ deserializes such a hash, returning a \Rational object:
+  #
+  #   Rational.json_create(x)
+  #   # => (2/3)
+  #
+  def as_json(*)
+    {
+      JSON.create_id => self.class.name,
+      'n'            => numerator,
+      'd'            => denominator,
+    }
+  end
+
+  # Returns a JSON string representing +self+:
+  #
+  #   require 'json/add/rational'
+  #   puts Rational(2, 3).to_json
+  #
+  # Output:
+  #
+  #   {"json_class":"Rational","n":2,"d":3}
+  #
+  def to_json(*args)
+    as_json.to_json(*args)
+  end
+end

bin/gems/json-2.10.2/lib/json/add/regexp.rb

@@ -0,0 +1,48 @@
+# frozen_string_literal: true
+unless defined?(::JSON::JSON_LOADED) and ::JSON::JSON_LOADED
+  require 'json'
+end
+
+class Regexp
+
+  # See #as_json.
+  def self.json_create(object)
+    new(object['s'], object['o'])
+  end
+
+  # Methods <tt>Regexp#as_json</tt> and +Regexp.json_create+ may be used
+  # to serialize and deserialize a \Regexp object;
+  # see Marshal[https://docs.ruby-lang.org/en/master/Marshal.html].
+  #
+  # \Method <tt>Regexp#as_json</tt> serializes +self+,
+  # returning a 2-element hash representing +self+:
+  #
+  #   require 'json/add/regexp'
+  #   x = /foo/.as_json
+  #   # => {"json_class"=>"Regexp", "o"=>0, "s"=>"foo"}
+  #
+  # \Method +JSON.create+ deserializes such a hash, returning a \Regexp object:
+  #
+  #   Regexp.json_create(x) # => /foo/
+  #
+  def as_json(*)
+    {
+      JSON.create_id => self.class.name,
+      'o'            => options,
+      's'            => source,
+    }
+  end
+
+  # Returns a JSON string representing +self+:
+  #
+  #   require 'json/add/regexp'
+  #   puts /foo/.to_json
+  #
+  # Output:
+  #
+  #    {"json_class":"Regexp","o":0,"s":"foo"}
+  #
+  def to_json(*args)
+    as_json.to_json(*args)
+  end
+end

bin/gems/json-2.10.2/lib/json/add/set.rb

@@ -0,0 +1,48 @@
+unless defined?(::JSON::JSON_LOADED) and ::JSON::JSON_LOADED
+  require 'json'
+end
+defined?(::Set) or require 'set'
+
+class Set
+
+  # See #as_json.
+  def self.json_create(object)
+    new object['a']
+  end
+
+  # Methods <tt>Set#as_json</tt> and +Set.json_create+ may be used
+  # to serialize and deserialize a \Set object;
+  # see Marshal[https://docs.ruby-lang.org/en/master/Marshal.html].
+  #
+  # \Method <tt>Set#as_json</tt> serializes +self+,
+  # returning a 2-element hash representing +self+:
+  #
+  #   require 'json/add/set'
+  #   x = Set.new(%w/foo bar baz/).as_json
+  #   # => {"json_class"=>"Set", "a"=>["foo", "bar", "baz"]}
+  #
+  # \Method +JSON.create+ deserializes such a hash, returning a \Set object:
+  #
+  #   Set.json_create(x) # => #<Set: {"foo", "bar", "baz"}>
+  #
+  def as_json(*)
+    {
+      JSON.create_id => self.class.name,
+      'a'            => to_a,
+    }
+  end
+
+  # Returns a JSON string representing +self+:
+  #
+  #   require 'json/add/set'
+  #   puts Set.new(%w/foo bar baz/).to_json
+  #
+  # Output:
+  #
+  #   {"json_class":"Set","a":["foo","bar","baz"]}
+  #
+  def to_json(*args)
+    as_json.to_json(*args)
+  end
+end
+

bin/gems/json-2.10.2/lib/json/add/struct.rb

@@ -0,0 +1,52 @@
+# frozen_string_literal: true
+unless defined?(::JSON::JSON_LOADED) and ::JSON::JSON_LOADED
+  require 'json'
+end
+
+class Struct
+
+  # See #as_json.
+  def self.json_create(object)
+    new(*object['v'])
+  end
+
+  # Methods <tt>Struct#as_json</tt> and +Struct.json_create+ may be used
+  # to serialize and deserialize a \Struct object;
+  # see Marshal[https://docs.ruby-lang.org/en/master/Marshal.html].
+  #
+  # \Method <tt>Struct#as_json</tt> serializes +self+,
+  # returning a 2-element hash representing +self+:
+  #
+  #   require 'json/add/struct'
+  #   Customer = Struct.new('Customer', :name, :address, :zip)
+  #   x = Struct::Customer.new.as_json
+  #   # => {"json_class"=>"Struct::Customer", "v"=>[nil, nil, nil]}
+  #
+  # \Method +JSON.create+ deserializes such a hash, returning a \Struct object:
+  #
+  #   Struct::Customer.json_create(x)
+  #   # => #<struct Struct::Customer name=nil, address=nil, zip=nil>
+  #
+  def as_json(*)
+    klass = self.class.name
+    klass.to_s.empty? and raise JSON::JSONError, "Only named structs are supported!"
+    {
+      JSON.create_id => klass,
+      'v'            => values,
+    }
+  end
+
+  # Returns a JSON string representing +self+:
+  #
+  #   require 'json/add/struct'
+  #   Customer = Struct.new('Customer', :name, :address, :zip)
+  #   puts Struct::Customer.new.to_json
+  #
+  # Output:
+  #
+  #   {"json_class":"Struct","t":{'name':'Rowdy',"age":null}}
+  #
+  def to_json(*args)
+    as_json.to_json(*args)
+  end
+end

bin/gems/json-2.10.2/lib/json/add/symbol.rb

@@ -0,0 +1,52 @@
+# frozen_string_literal: true
+unless defined?(::JSON::JSON_LOADED) and ::JSON::JSON_LOADED
+  require 'json'
+end
+
+class Symbol
+
+  # Methods <tt>Symbol#as_json</tt> and +Symbol.json_create+ may be used
+  # to serialize and deserialize a \Symbol object;
+  # see Marshal[https://docs.ruby-lang.org/en/master/Marshal.html].
+  #
+  # \Method <tt>Symbol#as_json</tt> serializes +self+,
+  # returning a 2-element hash representing +self+:
+  #
+  #   require 'json/add/symbol'
+  #   x = :foo.as_json
+  #   # => {"json_class"=>"Symbol", "s"=>"foo"}
+  #
+  # \Method +JSON.create+ deserializes such a hash, returning a \Symbol object:
+  #
+  #   Symbol.json_create(x) # => :foo
+  #
+  def as_json(*)
+    {
+      JSON.create_id => self.class.name,
+      's'            => to_s,
+    }
+  end
+
+  # Returns a JSON string representing +self+:
+  #
+  #   require 'json/add/symbol'
+  #   puts :foo.to_json
+  #
+  # Output:
+  #
+  #   # {"json_class":"Symbol","s":"foo"}
+  #
+  def to_json(state = nil, *a)
+    state = ::JSON::State.from_state(state)
+    if state.strict?
+      super
+    else
+      as_json.to_json(state, *a)
+    end
+  end
+
+  # See #as_json.
+  def self.json_create(o)
+    o['s'].to_sym
+  end
+end

bin/gems/json-2.10.2/lib/json/add/time.rb

@@ -0,0 +1,52 @@
+# frozen_string_literal: true
+unless defined?(::JSON::JSON_LOADED) and ::JSON::JSON_LOADED
+  require 'json'
+end
+
+class Time
+
+  # See #as_json.
+  def self.json_create(object)
+    if usec = object.delete('u') # used to be tv_usec -> tv_nsec
+      object['n'] = usec * 1000
+    end
+    at(object['s'], Rational(object['n'], 1000))
+  end
+
+  # Methods <tt>Time#as_json</tt> and +Time.json_create+ may be used
+  # to serialize and deserialize a \Time object;
+  # see Marshal[https://docs.ruby-lang.org/en/master/Marshal.html].
+  #
+  # \Method <tt>Time#as_json</tt> serializes +self+,
+  # returning a 2-element hash representing +self+:
+  #
+  #   require 'json/add/time'
+  #   x = Time.now.as_json
+  #   # => {"json_class"=>"Time", "s"=>1700931656, "n"=>472846644}
+  #
+  # \Method +JSON.create+ deserializes such a hash, returning a \Time object:
+  #
+  #    Time.json_create(x)
+  #    # => 2023-11-25 11:00:56.472846644 -0600
+  #
+  def as_json(*)
+    {
+      JSON.create_id => self.class.name,
+      's'            => tv_sec,
+      'n'            => tv_nsec,
+    }
+  end
+
+  # Returns a JSON string representing +self+:
+  #
+  #   require 'json/add/time'
+  #   puts Time.now.to_json
+  #
+  # Output:
+  #
+  #   {"json_class":"Time","s":1700931678,"n":980650786}
+  #
+  def to_json(*args)
+    as_json.to_json(*args)
+  end
+end

bin/gems/json-2.10.2/lib/json/common.rb

@@ -0,0 +1,987 @@
+# frozen_string_literal: true
+
+require 'json/version'
+
+module JSON
+  autoload :GenericObject, 'json/generic_object'
+
+  NOT_SET = Object.new.freeze
+  private_constant :NOT_SET
+
+  class << self
+    # :call-seq:
+    #   JSON[object] -> new_array or new_string
+    #
+    # If +object+ is a \String,
+    # calls JSON.parse with +object+ and +opts+ (see method #parse):
+    #   json = '[0, 1, null]'
+    #   JSON[json]# => [0, 1, nil]
+    #
+    # Otherwise, calls JSON.generate with +object+ and +opts+ (see method #generate):
+    #   ruby = [0, 1, nil]
+    #   JSON[ruby] # => '[0,1,null]'
+    def [](object, opts = {})
+      if object.is_a?(String)
+        return JSON.parse(object, opts)
+      elsif object.respond_to?(:to_str)
+        str = object.to_str
+        if str.is_a?(String)
+          return JSON.parse(str, opts)
+        end
+      end
+
+      JSON.generate(object, opts)
+    end
+
+    # Returns the JSON parser class that is used by JSON.
+    attr_reader :parser
+
+    # Set the JSON parser class _parser_ to be used by JSON.
+    def parser=(parser) # :nodoc:
+      @parser = parser
+      remove_const :Parser if const_defined?(:Parser, false)
+      const_set :Parser, parser
+    end
+
+    # Return the constant located at _path_. The format of _path_ has to be
+    # either ::A::B::C or A::B::C. In any case, A has to be located at the top
+    # level (absolute namespace path?). If there doesn't exist a constant at
+    # the given path, an ArgumentError is raised.
+    def deep_const_get(path) # :nodoc:
+      Object.const_get(path)
+    rescue NameError => e
+      raise ArgumentError, "can't get const #{path}: #{e}"
+    end
+
+    # Set the module _generator_ to be used by JSON.
+    def generator=(generator) # :nodoc:
+      old, $VERBOSE = $VERBOSE, nil
+      @generator = generator
+      generator_methods = generator::GeneratorMethods
+      for const in generator_methods.constants
+        klass = const_get(const)
+        modul = generator_methods.const_get(const)
+        klass.class_eval do
+          instance_methods(false).each do |m|
+            m.to_s == 'to_json' and remove_method m
+          end
+          include modul
+        end
+      end
+      self.state = generator::State
+      const_set :State, self.state
+      const_set :SAFE_STATE_PROTOTYPE, State.new # for JRuby
+      const_set :FAST_STATE_PROTOTYPE, create_fast_state
+      const_set :PRETTY_STATE_PROTOTYPE, create_pretty_state
+    ensure
+      $VERBOSE = old
+    end
+
+    def create_fast_state
+      State.new(
+        :indent         => '',
+        :space          => '',
+        :object_nl      => "",
+        :array_nl       => "",
+        :max_nesting    => false
+      )
+    end
+
+    def create_pretty_state
+      State.new(
+        :indent         => '  ',
+        :space          => ' ',
+        :object_nl      => "\n",
+        :array_nl       => "\n"
+      )
+    end
+
+    # Returns the JSON generator module that is used by JSON.
+    attr_reader :generator
+
+    # Sets or Returns the JSON generator state class that is used by JSON.
+    attr_accessor :state
+  end
+
+  # Sets create identifier, which is used to decide if the _json_create_
+  # hook of a class should be called; initial value is +json_class+:
+  #   JSON.create_id # => 'json_class'
+  def self.create_id=(new_value)
+    Thread.current[:"JSON.create_id"] = new_value.dup.freeze
+  end
+
+  # Returns the current create identifier.
+  # See also JSON.create_id=.
+  def self.create_id
+    Thread.current[:"JSON.create_id"] || 'json_class'
+  end
+
+  NaN           = 0.0/0
+
+  Infinity      = 1.0/0
+
+  MinusInfinity = -Infinity
+
+  # The base exception for JSON errors.
+  class JSONError < StandardError
+    def self.wrap(exception)
+      obj = new("Wrapped(#{exception.class}): #{exception.message.inspect}")
+      obj.set_backtrace exception.backtrace
+      obj
+    end
+  end
+
+  # This exception is raised if a parser error occurs.
+  class ParserError < JSONError; end
+
+  # This exception is raised if the nesting of parsed data structures is too
+  # deep.
+  class NestingError < ParserError; end
+
+  # :stopdoc:
+  class CircularDatastructure < NestingError; end
+  # :startdoc:
+
+  # This exception is raised if a generator or unparser error occurs.
+  class GeneratorError < JSONError
+    attr_reader :invalid_object
+
+    def initialize(message, invalid_object = nil)
+      super(message)
+      @invalid_object = invalid_object
+    end
+
+    def detailed_message(...)
+      # Exception#detailed_message doesn't exist until Ruby 3.2
+      super_message = defined?(super) ? super : message
+
+      if @invalid_object.nil?
+        super_message
+      else
+        "#{super_message}\nInvalid object: #{@invalid_object.inspect}"
+      end
+    end
+  end
+
+  # For backwards compatibility
+  UnparserError = GeneratorError # :nodoc:
+
+  # This exception is raised if the required unicode support is missing on the
+  # system. Usually this means that the iconv library is not installed.
+  class MissingUnicodeSupport < JSONError; end
+
+  # Fragment of JSON document that is to be included as is:
+  #   fragment = JSON::Fragment.new("[1, 2, 3]")
+  #   JSON.generate({ count: 3, items: fragments })
+  #
+  # This allows to easily assemble multiple JSON fragments that have
+  # been persisted somewhere without having to parse them nor resorting
+  # to string interpolation.
+  #
+  # Note: no validation is performed on the provided string. It is the
+  # responsability of the caller to ensure the string contains valid JSON.
+  Fragment = Struct.new(:json) do
+    def initialize(json)
+      unless string = String.try_convert(json)
+        raise TypeError, " no implicit conversion of #{json.class} into String"
+      end
+
+      super(string)
+    end
+
+    def to_json(state = nil, *)
+      json
+    end
+  end
+
+  module_function
+
+  # :call-seq:
+  #   JSON.parse(source, opts) -> object
+  #
+  # Returns the Ruby objects created by parsing the given +source+.
+  #
+  # Argument +source+ contains the \String to be parsed.
+  #
+  # Argument +opts+, if given, contains a \Hash of options for the parsing.
+  # See {Parsing Options}[#module-JSON-label-Parsing+Options].
+  #
+  # ---
+  #
+  # When +source+ is a \JSON array, returns a Ruby \Array:
+  #   source = '["foo", 1.0, true, false, null]'
+  #   ruby = JSON.parse(source)
+  #   ruby # => ["foo", 1.0, true, false, nil]
+  #   ruby.class # => Array
+  #
+  # When +source+ is a \JSON object, returns a Ruby \Hash:
+  #   source = '{"a": "foo", "b": 1.0, "c": true, "d": false, "e": null}'
+  #   ruby = JSON.parse(source)
+  #   ruby # => {"a"=>"foo", "b"=>1.0, "c"=>true, "d"=>false, "e"=>nil}
+  #   ruby.class # => Hash
+  #
+  # For examples of parsing for all \JSON data types, see
+  # {Parsing \JSON}[#module-JSON-label-Parsing+JSON].
+  #
+  # Parses nested JSON objects:
+  #   source = <<~JSON
+  #     {
+  #     "name": "Dave",
+  #       "age" :40,
+  #       "hats": [
+  #         "Cattleman's",
+  #         "Panama",
+  #         "Tophat"
+  #       ]
+  #     }
+  #   JSON
+  #   ruby = JSON.parse(source)
+  #   ruby # => {"name"=>"Dave", "age"=>40, "hats"=>["Cattleman's", "Panama", "Tophat"]}
+  #
+  # ---
+  #
+  # Raises an exception if +source+ is not valid JSON:
+  #   # Raises JSON::ParserError (783: unexpected token at ''):
+  #   JSON.parse('')
+  #
+  def parse(source, opts = nil)
+    Parser.parse(source, opts)
+  end
+
+  # :call-seq:
+  #   JSON.parse!(source, opts) -> object
+  #
+  # Calls
+  #   parse(source, opts)
+  # with +source+ and possibly modified +opts+.
+  #
+  # Differences from JSON.parse:
+  # - Option +max_nesting+, if not provided, defaults to +false+,
+  #   which disables checking for nesting depth.
+  # - Option +allow_nan+, if not provided, defaults to +true+.
+  def parse!(source, opts = nil)
+    options = {
+      :max_nesting  => false,
+      :allow_nan    => true
+    }
+    options.merge!(opts) if opts
+    Parser.new(source, options).parse
+  end
+
+  # :call-seq:
+  #   JSON.load_file(path, opts={}) -> object
+  #
+  # Calls:
+  #   parse(File.read(path), opts)
+  #
+  # See method #parse.
+  def load_file(filespec, opts = nil)
+    parse(File.read(filespec, encoding: Encoding::UTF_8), opts)
+  end
+
+  # :call-seq:
+  #   JSON.load_file!(path, opts = {})
+  #
+  # Calls:
+  #   JSON.parse!(File.read(path, opts))
+  #
+  # See method #parse!
+  def load_file!(filespec, opts = nil)
+    parse!(File.read(filespec, encoding: Encoding::UTF_8), opts)
+  end
+
+  # :call-seq:
+  #   JSON.generate(obj, opts = nil) -> new_string
+  #
+  # Returns a \String containing the generated \JSON data.
+  #
+  # See also JSON.fast_generate, JSON.pretty_generate.
+  #
+  # Argument +obj+ is the Ruby object to be converted to \JSON.
+  #
+  # Argument +opts+, if given, contains a \Hash of options for the generation.
+  # See {Generating Options}[#module-JSON-label-Generating+Options].
+  #
+  # ---
+  #
+  # When +obj+ is an \Array, returns a \String containing a \JSON array:
+  #   obj = ["foo", 1.0, true, false, nil]
+  #   json = JSON.generate(obj)
+  #   json # => '["foo",1.0,true,false,null]'
+  #
+  # When +obj+ is a \Hash, returns a \String containing a \JSON object:
+  #   obj = {foo: 0, bar: 's', baz: :bat}
+  #   json = JSON.generate(obj)
+  #   json # => '{"foo":0,"bar":"s","baz":"bat"}'
+  #
+  # For examples of generating from other Ruby objects, see
+  # {Generating \JSON from Other Objects}[#module-JSON-label-Generating+JSON+from+Other+Objects].
+  #
+  # ---
+  #
+  # Raises an exception if any formatting option is not a \String.
+  #
+  # Raises an exception if +obj+ contains circular references:
+  #   a = []; b = []; a.push(b); b.push(a)
+  #   # Raises JSON::NestingError (nesting of 100 is too deep):
+  #   JSON.generate(a)
+  #
+  def generate(obj, opts = nil)
+    if State === opts
+      opts.generate(obj)
+    else
+      State.generate(obj, opts, nil)
+    end
+  end
+
+  # :stopdoc:
+  # I want to deprecate these later, so I'll first be silent about them, and
+  # later delete them.
+  alias unparse generate
+  module_function :unparse
+  # :startdoc:
+
+  # :call-seq:
+  #   JSON.fast_generate(obj, opts) -> new_string
+  #
+  # Arguments +obj+ and +opts+ here are the same as
+  # arguments +obj+ and +opts+ in JSON.generate.
+  #
+  # By default, generates \JSON data without checking
+  # for circular references in +obj+ (option +max_nesting+ set to +false+, disabled).
+  #
+  # Raises an exception if +obj+ contains circular references:
+  #   a = []; b = []; a.push(b); b.push(a)
+  #   # Raises SystemStackError (stack level too deep):
+  #   JSON.fast_generate(a)
+  def fast_generate(obj, opts = nil)
+    if State === opts
+      state = opts
+    else
+      state = JSON.create_fast_state.configure(opts)
+    end
+    state.generate(obj)
+  end
+
+  # :stopdoc:
+  # I want to deprecate these later, so I'll first be silent about them, and later delete them.
+  alias fast_unparse fast_generate
+  module_function :fast_unparse
+  # :startdoc:
+
+  # :call-seq:
+  #   JSON.pretty_generate(obj, opts = nil) -> new_string
+  #
+  # Arguments +obj+ and +opts+ here are the same as
+  # arguments +obj+ and +opts+ in JSON.generate.
+  #
+  # Default options are:
+  #   {
+  #     indent: '  ',   # Two spaces
+  #     space: ' ',     # One space
+  #     array_nl: "\n", # Newline
+  #     object_nl: "\n" # Newline
+  #   }
+  #
+  # Example:
+  #   obj = {foo: [:bar, :baz], bat: {bam: 0, bad: 1}}
+  #   json = JSON.pretty_generate(obj)
+  #   puts json
+  # Output:
+  #   {
+  #     "foo": [
+  #       "bar",
+  #       "baz"
+  #     ],
+  #     "bat": {
+  #       "bam": 0,
+  #       "bad": 1
+  #     }
+  #   }
+  #
+  def pretty_generate(obj, opts = nil)
+    if State === opts
+      state, opts = opts, nil
+    else
+      state = JSON.create_pretty_state
+    end
+    if opts
+      if opts.respond_to? :to_hash
+        opts = opts.to_hash
+      elsif opts.respond_to? :to_h
+        opts = opts.to_h
+      else
+        raise TypeError, "can't convert #{opts.class} into Hash"
+      end
+      state.configure(opts)
+    end
+    state.generate(obj)
+  end
+
+  # :stopdoc:
+  # I want to deprecate these later, so I'll first be silent about them, and later delete them.
+  alias pretty_unparse pretty_generate
+  module_function :pretty_unparse
+  # :startdoc:
+
+  class << self
+    # Sets or returns default options for the JSON.unsafe_load method.
+    # Initially:
+    #   opts = JSON.load_default_options
+    #   opts # => {:max_nesting=>false, :allow_nan=>true, :allow_blank=>true, :create_additions=>true}
+    attr_accessor :unsafe_load_default_options
+  end
+  self.unsafe_load_default_options = {
+    :max_nesting      => false,
+    :allow_nan        => true,
+    :allow_blank      => true,
+    :create_additions => true,
+  }
+
+  class << self
+    # Sets or returns default options for the JSON.load method.
+    # Initially:
+    #   opts = JSON.load_default_options
+    #   opts # => {:max_nesting=>false, :allow_nan=>true, :allow_blank=>true, :create_additions=>true}
+    attr_accessor :load_default_options
+  end
+  self.load_default_options = {
+    :allow_nan        => true,
+    :allow_blank      => true,
+    :create_additions => nil,
+  }
+  # :call-seq:
+  #   JSON.unsafe_load(source, proc = nil, options = {}) -> object
+  #
+  # Returns the Ruby objects created by parsing the given +source+.
+  #
+  # BEWARE: This method is meant to serialise data from trusted user input,
+  # like from your own database server or clients under your control, it could
+  # be dangerous to allow untrusted users to pass JSON sources into it.
+  #
+  # - Argument +source+ must be, or be convertible to, a \String:
+  #   - If +source+ responds to instance method +to_str+,
+  #     <tt>source.to_str</tt> becomes the source.
+  #   - If +source+ responds to instance method +to_io+,
+  #     <tt>source.to_io.read</tt> becomes the source.
+  #   - If +source+ responds to instance method +read+,
+  #     <tt>source.read</tt> becomes the source.
+  #   - If both of the following are true, source becomes the \String <tt>'null'</tt>:
+  #     - Option +allow_blank+ specifies a truthy value.
+  #     - The source, as defined above, is +nil+ or the empty \String <tt>''</tt>.
+  #   - Otherwise, +source+ remains the source.
+  # - Argument +proc+, if given, must be a \Proc that accepts one argument.
+  #   It will be called recursively with each result (depth-first order).
+  #   See details below.
+  # - Argument +opts+, if given, contains a \Hash of options for the parsing.
+  #   See {Parsing Options}[#module-JSON-label-Parsing+Options].
+  #   The default options can be changed via method JSON.unsafe_load_default_options=.
+  #
+  # ---
+  #
+  # When no +proc+ is given, modifies +source+ as above and returns the result of
+  # <tt>parse(source, opts)</tt>;  see #parse.
+  #
+  # Source for following examples:
+  #   source = <<~JSON
+  #     {
+  #       "name": "Dave",
+  #       "age" :40,
+  #       "hats": [
+  #         "Cattleman's",
+  #         "Panama",
+  #         "Tophat"
+  #       ]
+  #     }
+  #   JSON
+  #
+  # Load a \String:
+  #   ruby = JSON.unsafe_load(source)
+  #   ruby # => {"name"=>"Dave", "age"=>40, "hats"=>["Cattleman's", "Panama", "Tophat"]}
+  #
+  # Load an \IO object:
+  #   require 'stringio'
+  #   object = JSON.unsafe_load(StringIO.new(source))
+  #   object # => {"name"=>"Dave", "age"=>40, "hats"=>["Cattleman's", "Panama", "Tophat"]}
+  #
+  # Load a \File object:
+  #   path = 't.json'
+  #   File.write(path, source)
+  #   File.open(path) do |file|
+  #     JSON.unsafe_load(file)
+  #   end # => {"name"=>"Dave", "age"=>40, "hats"=>["Cattleman's", "Panama", "Tophat"]}
+  #
+  # ---
+  #
+  # When +proc+ is given:
+  # - Modifies +source+ as above.
+  # - Gets the +result+ from calling <tt>parse(source, opts)</tt>.
+  # - Recursively calls <tt>proc(result)</tt>.
+  # - Returns the final result.
+  #
+  # Example:
+  #   require 'json'
+  #
+  #   # Some classes for the example.
+  #   class Base
+  #     def initialize(attributes)
+  #       @attributes = attributes
+  #     end
+  #   end
+  #   class User    < Base; end
+  #   class Account < Base; end
+  #   class Admin   < Base; end
+  #   # The JSON source.
+  #   json = <<-EOF
+  #   {
+  #     "users": [
+  #         {"type": "User", "username": "jane", "email": "jane@example.com"},
+  #         {"type": "User", "username": "john", "email": "john@example.com"}
+  #     ],
+  #     "accounts": [
+  #         {"account": {"type": "Account", "paid": true, "account_id": "1234"}},
+  #         {"account": {"type": "Account", "paid": false, "account_id": "1235"}}
+  #     ],
+  #     "admins": {"type": "Admin", "password": "0wn3d"}
+  #   }
+  #   EOF
+  #   # Deserializer method.
+  #   def deserialize_obj(obj, safe_types = %w(User Account Admin))
+  #     type = obj.is_a?(Hash) && obj["type"]
+  #     safe_types.include?(type) ? Object.const_get(type).new(obj) : obj
+  #   end
+  #   # Call to JSON.unsafe_load
+  #   ruby = JSON.unsafe_load(json, proc {|obj|
+  #     case obj
+  #     when Hash
+  #       obj.each {|k, v| obj[k] = deserialize_obj v }
+  #     when Array
+  #       obj.map! {|v| deserialize_obj v }
+  #     end
+  #   })
+  #   pp ruby
+  # Output:
+  #   {"users"=>
+  #      [#<User:0x00000000064c4c98
+  #        @attributes=
+  #          {"type"=>"User", "username"=>"jane", "email"=>"jane@example.com"}>,
+  #        #<User:0x00000000064c4bd0
+  #        @attributes=
+  #          {"type"=>"User", "username"=>"john", "email"=>"john@example.com"}>],
+  #    "accounts"=>
+  #      [{"account"=>
+  #          #<Account:0x00000000064c4928
+  #          @attributes={"type"=>"Account", "paid"=>true, "account_id"=>"1234"}>},
+  #       {"account"=>
+  #          #<Account:0x00000000064c4680
+  #          @attributes={"type"=>"Account", "paid"=>false, "account_id"=>"1235"}>}],
+  #    "admins"=>
+  #      #<Admin:0x00000000064c41f8
+  #      @attributes={"type"=>"Admin", "password"=>"0wn3d"}>}
+  #
+  def unsafe_load(source, proc = nil, options = nil)
+    opts = if options.nil?
+      unsafe_load_default_options
+    else
+      unsafe_load_default_options.merge(options)
+    end
+
+    unless source.is_a?(String)
+      if source.respond_to? :to_str
+        source = source.to_str
+      elsif source.respond_to? :to_io
+        source = source.to_io.read
+      elsif source.respond_to?(:read)
+        source = source.read
+      end
+    end
+
+    if opts[:allow_blank] && (source.nil? || source.empty?)
+      source = 'null'
+    end
+    result = parse(source, opts)
+    recurse_proc(result, &proc) if proc
+    result
+  end
+
+  # :call-seq:
+  #   JSON.load(source, proc = nil, options = {}) -> object
+  #
+  # Returns the Ruby objects created by parsing the given +source+.
+  #
+  # BEWARE: This method is meant to serialise data from trusted user input,
+  # like from your own database server or clients under your control, it could
+  # be dangerous to allow untrusted users to pass JSON sources into it.
+  # If you must use it, use JSON.unsafe_load instead to make it clear.
+  #
+  # Since JSON version 2.8.0, `load` emits a deprecation warning when a
+  # non native type is deserialized, without `create_additions` being explicitly
+  # enabled, and in JSON version 3.0, `load` will have `create_additions` disabled
+  # by default.
+  #
+  # - Argument +source+ must be, or be convertible to, a \String:
+  #   - If +source+ responds to instance method +to_str+,
+  #     <tt>source.to_str</tt> becomes the source.
+  #   - If +source+ responds to instance method +to_io+,
+  #     <tt>source.to_io.read</tt> becomes the source.
+  #   - If +source+ responds to instance method +read+,
+  #     <tt>source.read</tt> becomes the source.
+  #   - If both of the following are true, source becomes the \String <tt>'null'</tt>:
+  #     - Option +allow_blank+ specifies a truthy value.
+  #     - The source, as defined above, is +nil+ or the empty \String <tt>''</tt>.
+  #   - Otherwise, +source+ remains the source.
+  # - Argument +proc+, if given, must be a \Proc that accepts one argument.
+  #   It will be called recursively with each result (depth-first order).
+  #   See details below.
+  # - Argument +opts+, if given, contains a \Hash of options for the parsing.
+  #   See {Parsing Options}[#module-JSON-label-Parsing+Options].
+  #   The default options can be changed via method JSON.load_default_options=.
+  #
+  # ---
+  #
+  # When no +proc+ is given, modifies +source+ as above and returns the result of
+  # <tt>parse(source, opts)</tt>;  see #parse.
+  #
+  # Source for following examples:
+  #   source = <<~JSON
+  #     {
+  #       "name": "Dave",
+  #       "age" :40,
+  #       "hats": [
+  #         "Cattleman's",
+  #         "Panama",
+  #         "Tophat"
+  #       ]
+  #     }
+  #   JSON
+  #
+  # Load a \String:
+  #   ruby = JSON.load(source)
+  #   ruby # => {"name"=>"Dave", "age"=>40, "hats"=>["Cattleman's", "Panama", "Tophat"]}
+  #
+  # Load an \IO object:
+  #   require 'stringio'
+  #   object = JSON.load(StringIO.new(source))
+  #   object # => {"name"=>"Dave", "age"=>40, "hats"=>["Cattleman's", "Panama", "Tophat"]}
+  #
+  # Load a \File object:
+  #   path = 't.json'
+  #   File.write(path, source)
+  #   File.open(path) do |file|
+  #     JSON.load(file)
+  #   end # => {"name"=>"Dave", "age"=>40, "hats"=>["Cattleman's", "Panama", "Tophat"]}
+  #
+  # ---
+  #
+  # When +proc+ is given:
+  # - Modifies +source+ as above.
+  # - Gets the +result+ from calling <tt>parse(source, opts)</tt>.
+  # - Recursively calls <tt>proc(result)</tt>.
+  # - Returns the final result.
+  #
+  # Example:
+  #   require 'json'
+  #
+  #   # Some classes for the example.
+  #   class Base
+  #     def initialize(attributes)
+  #       @attributes = attributes
+  #     end
+  #   end
+  #   class User    < Base; end
+  #   class Account < Base; end
+  #   class Admin   < Base; end
+  #   # The JSON source.
+  #   json = <<-EOF
+  #   {
+  #     "users": [
+  #         {"type": "User", "username": "jane", "email": "jane@example.com"},
+  #         {"type": "User", "username": "john", "email": "john@example.com"}
+  #     ],
+  #     "accounts": [
+  #         {"account": {"type": "Account", "paid": true, "account_id": "1234"}},
+  #         {"account": {"type": "Account", "paid": false, "account_id": "1235"}}
+  #     ],
+  #     "admins": {"type": "Admin", "password": "0wn3d"}
+  #   }
+  #   EOF
+  #   # Deserializer method.
+  #   def deserialize_obj(obj, safe_types = %w(User Account Admin))
+  #     type = obj.is_a?(Hash) && obj["type"]
+  #     safe_types.include?(type) ? Object.const_get(type).new(obj) : obj
+  #   end
+  #   # Call to JSON.load
+  #   ruby = JSON.load(json, proc {|obj|
+  #     case obj
+  #     when Hash
+  #       obj.each {|k, v| obj[k] = deserialize_obj v }
+  #     when Array
+  #       obj.map! {|v| deserialize_obj v }
+  #     end
+  #   })
+  #   pp ruby
+  # Output:
+  #   {"users"=>
+  #      [#<User:0x00000000064c4c98
+  #        @attributes=
+  #          {"type"=>"User", "username"=>"jane", "email"=>"jane@example.com"}>,
+  #        #<User:0x00000000064c4bd0
+  #        @attributes=
+  #          {"type"=>"User", "username"=>"john", "email"=>"john@example.com"}>],
+  #    "accounts"=>
+  #      [{"account"=>
+  #          #<Account:0x00000000064c4928
+  #          @attributes={"type"=>"Account", "paid"=>true, "account_id"=>"1234"}>},
+  #       {"account"=>
+  #          #<Account:0x00000000064c4680
+  #          @attributes={"type"=>"Account", "paid"=>false, "account_id"=>"1235"}>}],
+  #    "admins"=>
+  #      #<Admin:0x00000000064c41f8
+  #      @attributes={"type"=>"Admin", "password"=>"0wn3d"}>}
+  #
+  def load(source, proc = nil, options = nil)
+    opts = if options.nil?
+      load_default_options
+    else
+      load_default_options.merge(options)
+    end
+
+    unless source.is_a?(String)
+      if source.respond_to? :to_str
+        source = source.to_str
+      elsif source.respond_to? :to_io
+        source = source.to_io.read
+      elsif source.respond_to?(:read)
+        source = source.read
+      end
+    end
+
+    if opts[:allow_blank] && (source.nil? || source.empty?)
+      source = 'null'
+    end
+    result = parse(source, opts)
+    recurse_proc(result, &proc) if proc
+    result
+  end
+
+  # Recursively calls passed _Proc_ if the parsed data structure is an _Array_ or _Hash_
+  def recurse_proc(result, &proc) # :nodoc:
+    case result
+    when Array
+      result.each { |x| recurse_proc x, &proc }
+      proc.call result
+    when Hash
+      result.each { |x, y| recurse_proc x, &proc; recurse_proc y, &proc }
+      proc.call result
+    else
+      proc.call result
+    end
+  end
+
+  alias restore load
+  module_function :restore
+
+  class << self
+    # Sets or returns the default options for the JSON.dump method.
+    # Initially:
+    #   opts = JSON.dump_default_options
+    #   opts # => {:max_nesting=>false, :allow_nan=>true}
+    attr_accessor :dump_default_options
+  end
+  self.dump_default_options = {
+    :max_nesting => false,
+    :allow_nan   => true,
+  }
+
+  # :call-seq:
+  #   JSON.dump(obj, io = nil, limit = nil)
+  #
+  # Dumps +obj+ as a \JSON string, i.e. calls generate on the object and returns the result.
+  #
+  # The default options can be changed via method JSON.dump_default_options.
+  #
+  # - Argument +io+, if given, should respond to method +write+;
+  #   the \JSON \String is written to +io+, and +io+ is returned.
+  #   If +io+ is not given, the \JSON \String is returned.
+  # - Argument +limit+, if given, is passed to JSON.generate as option +max_nesting+.
+  #
+  # ---
+  #
+  # When argument +io+ is not given, returns the \JSON \String generated from +obj+:
+  #   obj = {foo: [0, 1], bar: {baz: 2, bat: 3}, bam: :bad}
+  #   json = JSON.dump(obj)
+  #   json # => "{\"foo\":[0,1],\"bar\":{\"baz\":2,\"bat\":3},\"bam\":\"bad\"}"
+  #
+  # When argument +io+ is given, writes the \JSON \String to +io+ and returns +io+:
+  #   path = 't.json'
+  #   File.open(path, 'w') do |file|
+  #     JSON.dump(obj, file)
+  #   end # => #<File:t.json (closed)>
+  #   puts File.read(path)
+  # Output:
+  #   {"foo":[0,1],"bar":{"baz":2,"bat":3},"bam":"bad"}
+  def dump(obj, anIO = nil, limit = nil, kwargs = nil)
+    if kwargs.nil?
+      if limit.nil?
+        if anIO.is_a?(Hash)
+          kwargs = anIO
+          anIO = nil
+        end
+      elsif limit.is_a?(Hash)
+        kwargs = limit
+        limit = nil
+      end
+    end
+
+    unless anIO.nil?
+      if anIO.respond_to?(:to_io)
+        anIO = anIO.to_io
+      elsif limit.nil? && !anIO.respond_to?(:write)
+        anIO, limit = nil, anIO
+      end
+    end
+
+    opts = JSON.dump_default_options
+    opts = opts.merge(:max_nesting => limit) if limit
+    opts = opts.merge(kwargs) if kwargs
+
+    begin
+      State.generate(obj, opts, anIO)
+    rescue JSON::NestingError
+      raise ArgumentError, "exceed depth limit"
+    end
+  end
+
+  # Encodes string using String.encode.
+  def self.iconv(to, from, string)
+    string.encode(to, from)
+  end
+
+  # JSON::Coder holds a parser and generator configuration.
+  #
+  #   module MyApp
+  #     JSONC_CODER = JSON::Coder.new(
+  #       allow_trailing_comma: true
+  #     )
+  #   end
+  #
+  #   MyApp::JSONC_CODER.load(document)
+  #
+  class Coder
+    # :call-seq:
+    #   JSON.new(options = nil, &block)
+    #
+    # Argument +options+, if given, contains a \Hash of options for both parsing and generating.
+    # See {Parsing Options}[#module-JSON-label-Parsing+Options], and {Generating Options}[#module-JSON-label-Generating+Options].
+    #
+    # For generation, the <tt>strict: true</tt> option is always set. When a Ruby object with no native \JSON counterpart is
+    # encoutered, the block provided to the initialize method is invoked, and must return a Ruby object that has a native
+    # \JSON counterpart:
+    #
+    #  module MyApp
+    #    API_JSON_CODER = JSON::Coder.new do |object|
+    #      case object
+    #      when Time
+    #        object.iso8601(3)
+    #      else
+    #        object # Unknown type, will raise
+    #      end
+    #    end
+    #  end
+    #
+    #  puts MyApp::API_JSON_CODER.dump(Time.now.utc) # => "2025-01-21T08:41:44.286Z"
+    #
+    def initialize(options = nil, &as_json)
+      if options.nil?
+        options = { strict: true }
+      else
+        options = options.dup
+        options[:strict] = true
+      end
+      options[:as_json] = as_json if as_json
+      options[:create_additions] = false unless options.key?(:create_additions)
+
+      @state = State.new(options).freeze
+      @parser_config = Ext::Parser::Config.new(options)
+    end
+
+    # call-seq:
+    #   dump(object) -> String
+    #   dump(object, io) -> io
+    #
+    # Serialize the given object into a \JSON document.
+    def dump(object, io = nil)
+      @state.generate_new(object, io)
+    end
+    alias_method :generate, :dump
+
+    # call-seq:
+    #   load(string) -> Object
+    #
+    # Parse the given \JSON document and return an equivalent Ruby object.
+    def load(source)
+      @parser_config.parse(source)
+    end
+    alias_method :parse, :load
+
+    # call-seq:
+    #   load(path) -> Object
+    #
+    # Parse the given \JSON document and return an equivalent Ruby object.
+    def load_file(path)
+      load(File.read(path, encoding: Encoding::UTF_8))
+    end
+  end
+end
+
+module ::Kernel
+  private
+
+  # Outputs _objs_ to STDOUT as JSON strings in the shortest form, that is in
+  # one line.
+  def j(*objs)
+    objs.each do |obj|
+      puts JSON::generate(obj, :allow_nan => true, :max_nesting => false)
+    end
+    nil
+  end
+
+  # Outputs _objs_ to STDOUT as JSON strings in a pretty format, with
+  # indentation and over many lines.
+  def jj(*objs)
+    objs.each do |obj|
+      puts JSON::pretty_generate(obj, :allow_nan => true, :max_nesting => false)
+    end
+    nil
+  end
+
+  # If _object_ is string-like, parse the string and return the parsed result as
+  # a Ruby data structure. Otherwise, generate a JSON text from the Ruby data
+  # structure object and return it.
+  #
+  # The _opts_ argument is passed through to generate/parse respectively. See
+  # generate and parse for their documentation.
+  def JSON(object, *args)
+    if object.is_a?(String)
+      return JSON.parse(object, args.first)
+    elsif object.respond_to?(:to_str)
+      str = object.to_str
+      if str.is_a?(String)
+        return JSON.parse(object.to_str, args.first)
+      end
+    end
+
+    JSON.generate(object, args.first)
+  end
+end
+
+# Extends any Class to include _json_creatable?_ method.
+class ::Class
+  # Returns true if this class can be used to create an instance
+  # from a serialised JSON string. The class has to implement a class
+  # method _json_create_ that expects a hash as first parameter. The hash
+  # should include the required data.
+  def json_creatable?
+    respond_to?(:json_create)
+  end
+end

bin/gems/json-2.10.2/lib/json/ext.rb

@@ -0,0 +1,45 @@
+# frozen_string_literal: true
+
+require 'json/common'
+
+module JSON
+  # This module holds all the modules/classes that implement JSON's
+  # functionality as C extensions.
+  module Ext
+    class Parser
+      class << self
+        def parse(...)
+          new(...).parse
+        end
+        alias_method :parse, :parse # Allow redefinition by extensions
+      end
+
+      def initialize(source, opts = nil)
+        @source = source
+        @config = Config.new(opts)
+      end
+
+      def source
+        @source.dup
+      end
+
+      def parse
+        @config.parse(@source)
+      end
+    end
+
+    require 'json/ext/parser'
+    Ext::Parser::Config = Ext::ParserConfig
+    JSON.parser = Ext::Parser
+
+    if RUBY_ENGINE == 'truffleruby'
+      require 'json/truffle_ruby/generator'
+      JSON.generator = ::JSON::TruffleRuby::Generator
+    else
+      require 'json/ext/generator'
+      JSON.generator = Generator
+    end
+  end
+
+  JSON_LOADED = true unless defined?(::JSON::JSON_LOADED)
+end

bin/gems/json-2.10.2/lib/json/ext/generator/state.rb

@@ -0,0 +1,106 @@
+# frozen_string_literal: true
+
+module JSON
+  module Ext
+    module Generator
+      class State
+        # call-seq: new(opts = {})
+        #
+        # Instantiates a new State object, configured by _opts_.
+        #
+        # _opts_ can have the following keys:
+        #
+        # * *indent*: a string used to indent levels (default: ''),
+        # * *space*: a string that is put after, a : or , delimiter (default: ''),
+        # * *space_before*: a string that is put before a : pair delimiter (default: ''),
+        # * *object_nl*: a string that is put at the end of a JSON object (default: ''),
+        # * *array_nl*: a string that is put at the end of a JSON array (default: ''),
+        # * *allow_nan*: true if NaN, Infinity, and -Infinity should be
+        #   generated, otherwise an exception is thrown, if these values are
+        #   encountered. This options defaults to false.
+        # * *ascii_only*: true if only ASCII characters should be generated. This
+        #   option defaults to false.
+        # * *buffer_initial_length*: sets the initial length of the generator's
+        #   internal buffer.
+        def initialize(opts = nil)
+          if opts && !opts.empty?
+            configure(opts)
+          end
+        end
+
+        # call-seq: configure(opts)
+        #
+        # Configure this State instance with the Hash _opts_, and return
+        # itself.
+        def configure(opts)
+          unless opts.is_a?(Hash)
+            if opts.respond_to?(:to_hash)
+              opts = opts.to_hash
+            elsif opts.respond_to?(:to_h)
+              opts = opts.to_h
+            else
+              raise TypeError, "can't convert #{opts.class} into Hash"
+            end
+          end
+          _configure(opts)
+        end
+
+        alias_method :merge, :configure
+
+        # call-seq: to_h
+        #
+        # Returns the configuration instance variables as a hash, that can be
+        # passed to the configure method.
+        def to_h
+          result = {
+            indent: indent,
+            space: space,
+            space_before: space_before,
+            object_nl: object_nl,
+            array_nl: array_nl,
+            as_json: as_json,
+            allow_nan: allow_nan?,
+            ascii_only: ascii_only?,
+            max_nesting: max_nesting,
+            script_safe: script_safe?,
+            strict: strict?,
+            depth: depth,
+            buffer_initial_length: buffer_initial_length,
+          }
+
+          instance_variables.each do |iv|
+            iv = iv.to_s[1..-1]
+            result[iv.to_sym] = self[iv]
+          end
+
+          result
+        end
+
+        alias_method :to_hash, :to_h
+
+        # call-seq: [](name)
+        #
+        # Returns the value returned by method +name+.
+        def [](name)
+          if respond_to?(name)
+            __send__(name)
+          else
+            instance_variable_get("@#{name}") if
+              instance_variables.include?("@#{name}".to_sym) # avoid warning
+          end
+        end
+
+        # call-seq: []=(name, value)
+        #
+        # Sets the attribute name to value.
+        def []=(name, value)
+          if respond_to?(name_writer = "#{name}=")
+            __send__ name_writer, value
+          else
+            instance_variable_set "@#{name}", value
+          end
+        end
+      end
+    end
+  end
+end

bin/gems/json-2.10.2/lib/json/generic_object.rb

@@ -0,0 +1,75 @@
+# frozen_string_literal: true
+begin
+  require 'ostruct'
+rescue LoadError
+  warn "JSON::GenericObject requires 'ostruct'. Please install it with `gem install ostruct`."
+end
+
+module JSON
+  class GenericObject < OpenStruct
+    class << self
+      alias [] new
+
+      def json_creatable?
+        @json_creatable
+      end
+
+      attr_writer :json_creatable
+
+      def json_create(data)
+        data = data.dup
+        data.delete JSON.create_id
+        self[data]
+      end
+
+      def from_hash(object)
+        case
+        when object.respond_to?(:to_hash)
+          result = new
+          object.to_hash.each do |key, value|
+            result[key] = from_hash(value)
+          end
+          result
+        when object.respond_to?(:to_ary)
+          object.to_ary.map { |a| from_hash(a) }
+        else
+          object
+        end
+      end
+
+      def load(source, proc = nil, opts = {})
+        result = ::JSON.load(source, proc, opts.merge(:object_class => self))
+        result.nil? ? new : result
+      end
+
+      def dump(obj, *args)
+        ::JSON.dump(obj, *args)
+      end
+    end
+    self.json_creatable = false
+
+    def to_hash
+      table
+    end
+
+    def [](name)
+      __send__(name)
+    end unless method_defined?(:[])
+
+    def []=(name, value)
+      __send__("#{name}=", value)
+    end unless method_defined?(:[]=)
+
+    def |(other)
+      self.class[other.to_hash.merge(to_hash)]
+    end
+
+    def as_json(*)
+      { JSON.create_id => self.class.name }.merge to_hash
+    end
+
+    def to_json(*a)
+      as_json.to_json(*a)
+    end
+  end if defined?(::OpenStruct)
+end

bin/gems/json-2.10.2/lib/json/truffle_ruby/generator.rb

@@ -0,0 +1,690 @@
+# frozen_string_literal: true
+module JSON
+  module TruffleRuby
+    module Generator
+      MAP = {
+        "\x0" => '\u0000',
+        "\x1" => '\u0001',
+        "\x2" => '\u0002',
+        "\x3" => '\u0003',
+        "\x4" => '\u0004',
+        "\x5" => '\u0005',
+        "\x6" => '\u0006',
+        "\x7" => '\u0007',
+        "\b"  =>  '\b',
+        "\t"  =>  '\t',
+        "\n"  =>  '\n',
+        "\xb" => '\u000b',
+        "\f"  =>  '\f',
+        "\r"  =>  '\r',
+        "\xe" => '\u000e',
+        "\xf" => '\u000f',
+        "\x10" => '\u0010',
+        "\x11" => '\u0011',
+        "\x12" => '\u0012',
+        "\x13" => '\u0013',
+        "\x14" => '\u0014',
+        "\x15" => '\u0015',
+        "\x16" => '\u0016',
+        "\x17" => '\u0017',
+        "\x18" => '\u0018',
+        "\x19" => '\u0019',
+        "\x1a" => '\u001a',
+        "\x1b" => '\u001b',
+        "\x1c" => '\u001c',
+        "\x1d" => '\u001d',
+        "\x1e" => '\u001e',
+        "\x1f" => '\u001f',
+        '"'   =>  '\"',
+        '\\'  =>  '\\\\',
+      }.freeze # :nodoc:
+
+      SCRIPT_SAFE_MAP = MAP.merge(
+        '/'  =>  '\\/',
+        "\u2028" => '\u2028',
+        "\u2029" => '\u2029',
+      ).freeze
+
+      SCRIPT_SAFE_ESCAPE_PATTERN = /[\/"\\\x0-\x1f\u2028-\u2029]/
+
+      # Convert a UTF8 encoded Ruby string _string_ to a JSON string, encoded with
+      # UTF16 big endian characters as \u????, and return it.
+      def self.utf8_to_json(string, script_safe = false) # :nodoc:
+        if script_safe
+          if SCRIPT_SAFE_ESCAPE_PATTERN.match?(string)
+            string.gsub(SCRIPT_SAFE_ESCAPE_PATTERN, SCRIPT_SAFE_MAP)
+          else
+            string
+          end
+        else
+          if /["\\\x0-\x1f]/.match?(string)
+            string.gsub(/["\\\x0-\x1f]/, MAP)
+          else
+            string
+          end
+        end
+      end
+
+      def self.utf8_to_json_ascii(original_string, script_safe = false) # :nodoc:
+        string = original_string.b
+        map = script_safe ? SCRIPT_SAFE_MAP : MAP
+        string.gsub!(/[\/"\\\x0-\x1f]/n) { map[$&] || $& }
+        string.gsub!(/(
+          (?:
+           [\xc2-\xdf][\x80-\xbf]    |
+           [\xe0-\xef][\x80-\xbf]{2} |
+           [\xf0-\xf4][\x80-\xbf]{3}
+          )+ |
+          [\x80-\xc1\xf5-\xff]       # invalid
+        )/nx) { |c|
+          c.size == 1 and raise GeneratorError.new("invalid utf8 byte: '#{c}'", original_string)
+          s = c.encode(::Encoding::UTF_16BE, ::Encoding::UTF_8).unpack('H*')[0]
+          s.force_encoding(::Encoding::BINARY)
+          s.gsub!(/.{4}/n, '\\\\u\&')
+          s.force_encoding(::Encoding::UTF_8)
+        }
+        string.force_encoding(::Encoding::UTF_8)
+        string
+      rescue => e
+        raise GeneratorError.new(e.message, original_string)
+      end
+
+      def self.valid_utf8?(string)
+        encoding = string.encoding
+        (encoding == Encoding::UTF_8 || encoding == Encoding::ASCII) &&
+          string.valid_encoding?
+      end
+
+      # This class is used to create State instances, that are use to hold data
+      # while generating a JSON text from a Ruby data structure.
+      class State
+        def self.generate(obj, opts = nil, io = nil)
+          new(opts).generate(obj, io)
+        end
+
+        # Creates a State object from _opts_, which ought to be Hash to create
+        # a new State instance configured by _opts_, something else to create
+        # an unconfigured instance. If _opts_ is a State object, it is just
+        # returned.
+        def self.from_state(opts)
+          if opts
+            case
+            when self === opts
+              return opts
+            when opts.respond_to?(:to_hash)
+              return new(opts.to_hash)
+            when opts.respond_to?(:to_h)
+              return new(opts.to_h)
+            end
+          end
+          SAFE_STATE_PROTOTYPE.dup
+        end
+
+        # Instantiates a new State object, configured by _opts_.
+        #
+        # _opts_ can have the following keys:
+        #
+        # * *indent*: a string used to indent levels (default: ''),
+        # * *space*: a string that is put after, a : or , delimiter (default: ''),
+        # * *space_before*: a string that is put before a : pair delimiter (default: ''),
+        # * *object_nl*: a string that is put at the end of a JSON object (default: ''),
+        # * *array_nl*: a string that is put at the end of a JSON array (default: ''),
+        # * *script_safe*: true if U+2028, U+2029 and forward slash (/) should be escaped
+        #   as to make the JSON object safe to interpolate in a script tag (default: false).
+        # * *check_circular*: is deprecated now, use the :max_nesting option instead,
+        # * *max_nesting*: sets the maximum level of data structure nesting in
+        #   the generated JSON, max_nesting = 0 if no maximum should be checked.
+        # * *allow_nan*: true if NaN, Infinity, and -Infinity should be
+        #   generated, otherwise an exception is thrown, if these values are
+        #   encountered. This options defaults to false.
+        def initialize(opts = nil)
+          @indent                = ''
+          @space                 = ''
+          @space_before          = ''
+          @object_nl             = ''
+          @array_nl              = ''
+          @allow_nan             = false
+          @ascii_only            = false
+          @as_json               = false
+          @depth                 = 0
+          @buffer_initial_length = 1024
+          @script_safe           = false
+          @strict                = false
+          @max_nesting           = 100
+          configure(opts) if opts
+        end
+
+        # This string is used to indent levels in the JSON text.
+        attr_accessor :indent
+
+        # This string is used to insert a space between the tokens in a JSON
+        # string.
+        attr_accessor :space
+
+        # This string is used to insert a space before the ':' in JSON objects.
+        attr_accessor :space_before
+
+        # This string is put at the end of a line that holds a JSON object (or
+        # Hash).
+        attr_accessor :object_nl
+
+        # This string is put at the end of a line that holds a JSON array.
+        attr_accessor :array_nl
+
+        # This proc converts unsupported types into native JSON types.
+        attr_accessor :as_json
+
+        # This integer returns the maximum level of data structure nesting in
+        # the generated JSON, max_nesting = 0 if no maximum is checked.
+        attr_accessor :max_nesting
+
+        # If this attribute is set to true, forward slashes will be escaped in
+        # all json strings.
+        attr_accessor :script_safe
+
+        # If this attribute is set to true, attempting to serialize types not
+        # supported by the JSON spec will raise a JSON::GeneratorError
+        attr_accessor :strict
+
+        # :stopdoc:
+        attr_reader :buffer_initial_length
+
+        def buffer_initial_length=(length)
+          if length > 0
+            @buffer_initial_length = length
+          end
+        end
+        # :startdoc:
+
+        # This integer returns the current depth data structure nesting in the
+        # generated JSON.
+        attr_accessor :depth
+
+        def check_max_nesting # :nodoc:
+          return if @max_nesting.zero?
+          current_nesting = depth + 1
+          current_nesting > @max_nesting and
+            raise NestingError, "nesting of #{current_nesting} is too deep"
+        end
+
+        # Returns true, if circular data structures are checked,
+        # otherwise returns false.
+        def check_circular?
+          !@max_nesting.zero?
+        end
+
+        # Returns true if NaN, Infinity, and -Infinity should be considered as
+        # valid JSON and output.
+        def allow_nan?
+          @allow_nan
+        end
+
+        # Returns true, if only ASCII characters should be generated. Otherwise
+        # returns false.
+        def ascii_only?
+          @ascii_only
+        end
+
+        # Returns true, if forward slashes are escaped. Otherwise returns false.
+        def script_safe?
+          @script_safe
+        end
+
+        # Returns true, if strict mode is enabled. Otherwise returns false.
+        # Strict mode only allow serializing JSON native types: Hash, Array,
+        # String, Integer, Float, true, false and nil.
+        def strict?
+          @strict
+        end
+
+        # Configure this State instance with the Hash _opts_, and return
+        # itself.
+        def configure(opts)
+          if opts.respond_to?(:to_hash)
+            opts = opts.to_hash
+          elsif opts.respond_to?(:to_h)
+            opts = opts.to_h
+          else
+            raise TypeError, "can't convert #{opts.class} into Hash"
+          end
+          opts.each do |key, value|
+            instance_variable_set "@#{key}", value
+          end
+
+          # NOTE: If adding new instance variables here, check whether #generate should check them for #generate_json
+          @indent                = opts[:indent]        || '' if opts.key?(:indent)
+          @space                 = opts[:space]         || '' if opts.key?(:space)
+          @space_before          = opts[:space_before]  || '' if opts.key?(:space_before)
+          @object_nl             = opts[:object_nl]     || '' if opts.key?(:object_nl)
+          @array_nl              = opts[:array_nl]      || '' if opts.key?(:array_nl)
+          @allow_nan             = !!opts[:allow_nan]         if opts.key?(:allow_nan)
+          @as_json               = opts[:as_json].to_proc     if opts[:as_json]
+          @ascii_only            = opts[:ascii_only]          if opts.key?(:ascii_only)
+          @depth                 = opts[:depth] || 0
+          @buffer_initial_length ||= opts[:buffer_initial_length]
+
+          @script_safe = if opts.key?(:script_safe)
+            !!opts[:script_safe]
+          elsif opts.key?(:escape_slash)
+            !!opts[:escape_slash]
+          else
+            false
+          end
+
+          @strict                = !!opts[:strict] if opts.key?(:strict)
+
+          if !opts.key?(:max_nesting) # defaults to 100
+            @max_nesting = 100
+          elsif opts[:max_nesting]
+            @max_nesting = opts[:max_nesting]
+          else
+            @max_nesting = 0
+          end
+          self
+        end
+        alias merge configure
+
+        # Returns the configuration instance variables as a hash, that can be
+        # passed to the configure method.
+        def to_h
+          result = {}
+          instance_variables.each do |iv|
+            iv = iv.to_s[1..-1]
+            result[iv.to_sym] = self[iv]
+          end
+          result
+        end
+
+        alias to_hash to_h
+
+        # Generates a valid JSON document from object +obj+ and
+        # returns the result. If no valid JSON document can be
+        # created this method raises a
+        # GeneratorError exception.
+        def generate(obj, anIO = nil)
+          if @indent.empty? and @space.empty? and @space_before.empty? and @object_nl.empty? and @array_nl.empty? and
+              !@ascii_only and !@script_safe and @max_nesting == 0 and (!@strict || Symbol === obj)
+            result = generate_json(obj, ''.dup)
+          else
+            result = obj.to_json(self)
+          end
+          JSON::TruffleRuby::Generator.valid_utf8?(result) or raise GeneratorError.new(
+            "source sequence #{result.inspect} is illegal/malformed utf-8",
+            obj
+          )
+          if anIO
+            anIO.write(result)
+            anIO
+          else
+            result
+          end
+        end
+
+        def generate_new(obj, anIO = nil) # :nodoc:
+          dup.generate(obj, anIO)
+        end
+
+        # Handles @allow_nan, @buffer_initial_length, other ivars must be the default value (see above)
+        private def generate_json(obj, buf)
+          case obj
+          when Hash
+            buf << '{'
+            first = true
+            obj.each_pair do |k,v|
+              buf << ',' unless first
+
+              key_str = k.to_s
+              if key_str.class == String
+                fast_serialize_string(key_str, buf)
+              elsif key_str.is_a?(String)
+                generate_json(key_str, buf)
+              else
+                raise TypeError, "#{k.class}#to_s returns an instance of #{key_str.class}, expected a String"
+              end
+
+              buf << ':'
+              generate_json(v, buf)
+              first = false
+            end
+            buf << '}'
+          when Array
+            buf << '['
+            first = true
+            obj.each do |e|
+              buf << ',' unless first
+              generate_json(e, buf)
+              first = false
+            end
+            buf << ']'
+          when String
+            if obj.class == String
+              fast_serialize_string(obj, buf)
+            else
+              buf << obj.to_json(self)
+            end
+          when Integer
+            buf << obj.to_s
+          when Symbol
+            if @strict
+              fast_serialize_string(obj.name, buf)
+            else
+              buf << obj.to_json(self)
+            end
+          else
+            # Note: Float is handled this way since Float#to_s is slow anyway
+            buf << obj.to_json(self)
+          end
+        end
+
+        # Assumes !@ascii_only, !@script_safe
+        private def fast_serialize_string(string, buf) # :nodoc:
+          buf << '"'
+          unless string.encoding == ::Encoding::UTF_8
+            begin
+              string = string.encode(::Encoding::UTF_8)
+            rescue Encoding::UndefinedConversionError => error
+              raise GeneratorError.new(error.message, string)
+            end
+          end
+          raise GeneratorError.new("source sequence is illegal/malformed utf-8", string) unless string.valid_encoding?
+
+          if /["\\\x0-\x1f]/.match?(string)
+            buf << string.gsub(/["\\\x0-\x1f]/, MAP)
+          else
+            buf << string
+          end
+          buf << '"'
+        end
+
+        # Return the value returned by method +name+.
+        def [](name)
+          if respond_to?(name)
+            __send__(name)
+          else
+            instance_variable_get("@#{name}") if
+              instance_variables.include?("@#{name}".to_sym) # avoid warning
+          end
+        end
+
+        def []=(name, value)
+          if respond_to?(name_writer = "#{name}=")
+            __send__ name_writer, value
+          else
+            instance_variable_set "@#{name}", value
+          end
+        end
+      end
+
+      module GeneratorMethods
+        module Object
+          # Converts this object to a string (calling #to_s), 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.
+          def to_json(state = nil, *)
+            state = State.from_state(state) if state
+            if state&.strict?
+              value = self
+              if state.strict? && !(false == value || true == value || nil == value || String === value || Array === value || Hash === value || Integer === value || Float === value || Fragment === value)
+                if state.as_json
+                  value = state.as_json.call(value)
+                  unless false == value || true == value || nil == value || String === value || Array === value || Hash === value || Integer === value || Float === value || Fragment === value
+                    raise GeneratorError.new("#{value.class} returned by #{state.as_json} not allowed in JSON", value)
+                  end
+                  value.to_json(state)
+                else
+                  raise GeneratorError.new("#{value.class} not allowed in JSON", value)
+                end
+              end
+            else
+              to_s.to_json
+            end
+          end
+        end
+
+        module Hash
+          # Returns a JSON string containing a JSON object, that is unparsed from
+          # this Hash instance.
+          # _state_ is a JSON::State object, that can also be used to configure the
+          # produced JSON string output further.
+          # _depth_ is used to find out nesting depth, to indent accordingly.
+          def to_json(state = nil, *)
+            state = State.from_state(state)
+            state.check_max_nesting
+            json_transform(state)
+          end
+
+          private
+
+          def json_shift(state)
+            state.object_nl.empty? or return ''
+            state.indent * state.depth
+          end
+
+          def json_transform(state)
+            depth = state.depth += 1
+
+            if empty?
+              state.depth -= 1
+              return '{}'
+            end
+
+            delim = ",#{state.object_nl}"
+            result = +"{#{state.object_nl}"
+            first = true
+            indent = !state.object_nl.empty?
+            each { |key, value|
+              result << delim unless first
+              result << state.indent * depth if indent
+
+              key_str = key.to_s
+              if key_str.is_a?(String)
+                key_json = key_str.to_json(state)
+              else
+                raise TypeError, "#{key.class}#to_s returns an instance of #{key_str.class}, expected a String"
+              end
+
+              result = +"#{result}#{key_json}#{state.space_before}:#{state.space}"
+              if state.strict? && !(false == value || true == value || nil == value || String === value || Array === value || Hash === value || Integer === value || Float === value || Fragment === value)
+                if state.as_json
+                  value = state.as_json.call(value)
+                  unless false == value || true == value || nil == value || String === value || Array === value || Hash === value || Integer === value || Float === value || Fragment === value
+                    raise GeneratorError.new("#{value.class} returned by #{state.as_json} not allowed in JSON", value)
+                  end
+                  result << value.to_json(state)
+                else
+                  raise GeneratorError.new("#{value.class} not allowed in JSON", value)
+                end
+              elsif value.respond_to?(:to_json)
+                result << value.to_json(state)
+              else
+                result << %{"#{String(value)}"}
+              end
+              first = false
+            }
+            depth = state.depth -= 1
+            unless first
+              result << state.object_nl
+              result << state.indent * depth if indent
+            end
+            result << '}'
+            result
+          end
+        end
+
+        module Array
+          # Returns a JSON string containing a JSON array, that is unparsed from
+          # this Array instance.
+          # _state_ is a JSON::State object, that can also be used to configure the
+          # produced JSON string output further.
+          def to_json(state = nil, *)
+            state = State.from_state(state)
+            state.check_max_nesting
+            json_transform(state)
+          end
+
+          private
+
+          def json_transform(state)
+            depth = state.depth += 1
+
+            if empty?
+              state.depth -= 1
+              return '[]'
+            end
+
+            result = '['.dup
+            if state.array_nl.empty?
+              delim = ","
+            else
+              result << state.array_nl
+              delim = ",#{state.array_nl}"
+            end
+
+            first = true
+            indent = !state.array_nl.empty?
+            each { |value|
+              result << delim unless first
+              result << state.indent * depth if indent
+              if state.strict? && !(false == value || true == value || nil == value || String === value || Array === value || Hash === value || Integer === value || Float === value || Fragment === value || Symbol == value)
+                if state.as_json
+                  value = state.as_json.call(value)
+                  unless false == value || true == value || nil == value || String === value || Array === value || Hash === value || Integer === value || Float === value || Fragment === value || Symbol === value
+                    raise GeneratorError.new("#{value.class} returned by #{state.as_json} not allowed in JSON", value)
+                  end
+                  result << value.to_json(state)
+                else
+                  raise GeneratorError.new("#{value.class} not allowed in JSON", value)
+                end
+              elsif value.respond_to?(:to_json)
+                result << value.to_json(state)
+              else
+                result << %{"#{String(value)}"}
+              end
+              first = false
+            }
+            depth = state.depth -= 1
+            result << state.array_nl
+            result << state.indent * depth if indent
+            result << ']'
+          end
+        end
+
+        module Integer
+          # Returns a JSON string representation for this Integer number.
+          def to_json(*) to_s end
+        end
+
+        module Float
+          # Returns a JSON string representation for this Float number.
+          def to_json(state = nil, *args)
+            state = State.from_state(state)
+            if infinite? || nan?
+              if state.allow_nan?
+                to_s
+              elsif state.strict? && state.as_json
+                casted_value = state.as_json.call(self)
+
+                if casted_value.equal?(self)
+                  raise GeneratorError.new("#{self} not allowed in JSON", self)
+                end
+
+                state.check_max_nesting
+                state.depth += 1
+                result = casted_value.to_json(state, *args)
+                state.depth -= 1
+                result
+              else
+                raise GeneratorError.new("#{self} not allowed in JSON", self)
+              end
+            else
+              to_s
+            end
+          end
+        end
+
+        module Symbol
+          def to_json(state = nil, *args)
+            state = State.from_state(state)
+            if state.strict?
+              name.to_json(state, *args)
+            else
+              super
+            end
+          end
+        end
+
+        module String
+          # This string should be encoded with UTF-8 A call to this method
+          # returns a JSON string encoded with UTF16 big endian characters as
+          # \u????.
+          def to_json(state = nil, *args)
+            state = State.from_state(state)
+            if encoding == ::Encoding::UTF_8
+              unless valid_encoding?
+                raise GeneratorError.new("source sequence is illegal/malformed utf-8", self)
+              end
+              string = self
+            else
+              string = encode(::Encoding::UTF_8)
+            end
+            if state.ascii_only?
+              %("#{JSON::TruffleRuby::Generator.utf8_to_json_ascii(string, state.script_safe)}")
+            else
+              %("#{JSON::TruffleRuby::Generator.utf8_to_json(string, state.script_safe)}")
+            end
+          rescue Encoding::UndefinedConversionError => error
+            raise ::JSON::GeneratorError.new(error.message, self)
+          end
+
+          # Module that holds the extending methods if, the String module is
+          # included.
+          module Extend
+            # Raw Strings are JSON Objects (the raw bytes are stored in an
+            # array for the key "raw"). The Ruby String can be created by this
+            # module method.
+            def json_create(o)
+              o['raw'].pack('C*')
+            end
+          end
+
+          # Extends _modul_ with the String::Extend module.
+          def self.included(modul)
+            modul.extend Extend
+          end
+
+          # This method creates a raw object hash, that can be nested into
+          # other data structures and will be unparsed as a raw string. This
+          # method should be used, if you want to convert raw strings to JSON
+          # instead of UTF-8 strings, e. g. binary data.
+          def to_json_raw_object
+            {
+              JSON.create_id  => self.class.name,
+              'raw'           => self.unpack('C*'),
+            }
+          end
+
+          # This method creates a JSON text from the result of
+          # a call to to_json_raw_object of this String.
+          def to_json_raw(*args)
+            to_json_raw_object.to_json(*args)
+          end
+        end
+
+        module TrueClass
+          # Returns a JSON string for true: 'true'.
+          def to_json(*) 'true' end
+        end
+
+        module FalseClass
+          # Returns a JSON string for false: 'false'.
+          def to_json(*) 'false' end
+        end
+
+        module NilClass
+          # Returns a JSON string for nil: 'null'.
+          def to_json(*) 'null' end
+        end
+      end
+    end
+  end
+end

bin/gems/json-2.10.2/lib/json/version.rb

@@ -0,0 +1,5 @@
+# frozen_string_literal: true
+
+module JSON
+  VERSION = '2.10.2'
+end