ysywj/drpy_libs/json5.js

(function (global, factory) {
	typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
	typeof define === 'function' && define.amd ? define(factory) :
	(global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.JSON5 = factory());
}(this, (function () { 'use strict';

	function createCommonjsModule(fn, module) {
		return module = { exports: {} }, fn(module, module.exports), module.exports;
	}

	var _global = createCommonjsModule(function (module) {
	// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028
	var global = module.exports = typeof window != 'undefined' && window.Math == Math
	  ? window : typeof self != 'undefined' && self.Math == Math ? self
	  // eslint-disable-next-line no-new-func
	  : Function('return this')();
	if (typeof __g == 'number') { __g = global; } // eslint-disable-line no-undef
	});

	var _core = createCommonjsModule(function (module) {
	var core = module.exports = { version: '2.6.5' };
	if (typeof __e == 'number') { __e = core; } // eslint-disable-line no-undef
	});
	var _core_1 = _core.version;

	var _isObject = function (it) {
	  return typeof it === 'object' ? it !== null : typeof it === 'function';
	};

	var _anObject = function (it) {
	  if (!_isObject(it)) { throw TypeError(it + ' is not an object!'); }
	  return it;
	};

	var _fails = function (exec) {
	  try {
	    return !!exec();
	  } catch (e) {
	    return true;
	  }
	};

	// Thank's IE8 for his funny defineProperty
	var _descriptors = !_fails(function () {
	  return Object.defineProperty({}, 'a', { get: function () { return 7; } }).a != 7;
	});

	var document = _global.document;
	// typeof document.createElement is 'object' in old IE
	var is = _isObject(document) && _isObject(document.createElement);
	var _domCreate = function (it) {
	  return is ? document.createElement(it) : {};
	};

	var _ie8DomDefine = !_descriptors && !_fails(function () {
	  return Object.defineProperty(_domCreate('div'), 'a', { get: function () { return 7; } }).a != 7;
	});

	// 7.1.1 ToPrimitive(input [, PreferredType])

	// instead of the ES6 spec version, we didn't implement @@toPrimitive case
	// and the second argument - flag - preferred type is a string
	var _toPrimitive = function (it, S) {
	  if (!_isObject(it)) { return it; }
	  var fn, val;
	  if (S && typeof (fn = it.toString) == 'function' && !_isObject(val = fn.call(it))) { return val; }
	  if (typeof (fn = it.valueOf) == 'function' && !_isObject(val = fn.call(it))) { return val; }
	  if (!S && typeof (fn = it.toString) == 'function' && !_isObject(val = fn.call(it))) { return val; }
	  throw TypeError("Can't convert object to primitive value");
	};

	var dP = Object.defineProperty;

	var f = _descriptors ? Object.defineProperty : function defineProperty(O, P, Attributes) {
	  _anObject(O);
	  P = _toPrimitive(P, true);
	  _anObject(Attributes);
	  if (_ie8DomDefine) { try {
	    return dP(O, P, Attributes);
	  } catch (e) { /* empty */ } }
	  if ('get' in Attributes || 'set' in Attributes) { throw TypeError('Accessors not supported!'); }
	  if ('value' in Attributes) { O[P] = Attributes.value; }
	  return O;
	};

	var _objectDp = {
		f: f
	};

	var _propertyDesc = function (bitmap, value) {
	  return {
	    enumerable: !(bitmap & 1),
	    configurable: !(bitmap & 2),
	    writable: !(bitmap & 4),
	    value: value
	  };
	};

	var _hide = _descriptors ? function (object, key, value) {
	  return _objectDp.f(object, key, _propertyDesc(1, value));
	} : function (object, key, value) {
	  object[key] = value;
	  return object;
	};

	var hasOwnProperty = {}.hasOwnProperty;
	var _has = function (it, key) {
	  return hasOwnProperty.call(it, key);
	};

	var id = 0;
	var px = Math.random();
	var _uid = function (key) {
	  return 'Symbol('.concat(key === undefined ? '' : key, ')_', (++id + px).toString(36));
	};

	var _library = false;

	var _shared = createCommonjsModule(function (module) {
	var SHARED = '__core-js_shared__';
	var store = _global[SHARED] || (_global[SHARED] = {});

	(module.exports = function (key, value) {
	  return store[key] || (store[key] = value !== undefined ? value : {});
	})('versions', []).push({
	  version: _core.version,
	  mode: _library ? 'pure' : 'global',
	  copyright: '© 2019 Denis Pushkarev (zloirock.ru)'
	});
	});

	var _functionToString = _shared('native-function-to-string', Function.toString);

	var _redefine = createCommonjsModule(function (module) {
	var SRC = _uid('src');

	var TO_STRING = 'toString';
	var TPL = ('' + _functionToString).split(TO_STRING);

	_core.inspectSource = function (it) {
	  return _functionToString.call(it);
	};

	(module.exports = function (O, key, val, safe) {
	  var isFunction = typeof val == 'function';
	  if (isFunction) { _has(val, 'name') || _hide(val, 'name', key); }
	  if (O[key] === val) { return; }
	  if (isFunction) { _has(val, SRC) || _hide(val, SRC, O[key] ? '' + O[key] : TPL.join(String(key))); }
	  if (O === _global) {
	    O[key] = val;
	  } else if (!safe) {
	    delete O[key];
	    _hide(O, key, val);
	  } else if (O[key]) {
	    O[key] = val;
	  } else {
	    _hide(O, key, val);
	  }
	// add fake Function#toString for correct work wrapped methods / constructors with methods like LoDash isNative
	})(Function.prototype, TO_STRING, function toString() {
	  return typeof this == 'function' && this[SRC] || _functionToString.call(this);
	});
	});

	var _aFunction = function (it) {
	  if (typeof it != 'function') { throw TypeError(it + ' is not a function!'); }
	  return it;
	};

	// optional / simple context binding

	var _ctx = function (fn, that, length) {
	  _aFunction(fn);
	  if (that === undefined) { return fn; }
	  switch (length) {
	    case 1: return function (a) {
	      return fn.call(that, a);
	    };
	    case 2: return function (a, b) {
	      return fn.call(that, a, b);
	    };
	    case 3: return function (a, b, c) {
	      return fn.call(that, a, b, c);
	    };
	  }
	  return function (/* ...args */) {
	    return fn.apply(that, arguments);
	  };
	};

	var PROTOTYPE = 'prototype';

	var $export = function (type, name, source) {
	  var IS_FORCED = type & $export.F;
	  var IS_GLOBAL = type & $export.G;
	  var IS_STATIC = type & $export.S;
	  var IS_PROTO = type & $export.P;
	  var IS_BIND = type & $export.B;
	  var target = IS_GLOBAL ? _global : IS_STATIC ? _global[name] || (_global[name] = {}) : (_global[name] || {})[PROTOTYPE];
	  var exports = IS_GLOBAL ? _core : _core[name] || (_core[name] = {});
	  var expProto = exports[PROTOTYPE] || (exports[PROTOTYPE] = {});
	  var key, own, out, exp;
	  if (IS_GLOBAL) { source = name; }
	  for (key in source) {
	    // contains in native
	    own = !IS_FORCED && target && target[key] !== undefined;
	    // export native or passed
	    out = (own ? target : source)[key];
	    // bind timers to global for call from export context
	    exp = IS_BIND && own ? _ctx(out, _global) : IS_PROTO && typeof out == 'function' ? _ctx(Function.call, out) : out;
	    // extend global
	    if (target) { _redefine(target, key, out, type & $export.U); }
	    // export
	    if (exports[key] != out) { _hide(exports, key, exp); }
	    if (IS_PROTO && expProto[key] != out) { expProto[key] = out; }
	  }
	};
	_global.core = _core;
	// type bitmap
	$export.F = 1;   // forced
	$export.G = 2;   // global
	$export.S = 4;   // static
	$export.P = 8;   // proto
	$export.B = 16;  // bind
	$export.W = 32;  // wrap
	$export.U = 64;  // safe
	$export.R = 128; // real proto method for `library`
	var _export = $export;

	// 7.1.4 ToInteger
	var ceil = Math.ceil;
	var floor = Math.floor;
	var _toInteger = function (it) {
	  return isNaN(it = +it) ? 0 : (it > 0 ? floor : ceil)(it);
	};

	// 7.2.1 RequireObjectCoercible(argument)
	var _defined = function (it) {
	  if (it == undefined) { throw TypeError("Can't call method on  " + it); }
	  return it;
	};

	// true  -> String#at
	// false -> String#codePointAt
	var _stringAt = function (TO_STRING) {
	  return function (that, pos) {
	    var s = String(_defined(that));
	    var i = _toInteger(pos);
	    var l = s.length;
	    var a, b;
	    if (i < 0 || i >= l) { return TO_STRING ? '' : undefined; }
	    a = s.charCodeAt(i);
	    return a < 0xd800 || a > 0xdbff || i + 1 === l || (b = s.charCodeAt(i + 1)) < 0xdc00 || b > 0xdfff
	      ? TO_STRING ? s.charAt(i) : a
	      : TO_STRING ? s.slice(i, i + 2) : (a - 0xd800 << 10) + (b - 0xdc00) + 0x10000;
	  };
	};

	var $at = _stringAt(false);
	_export(_export.P, 'String', {
	  // 21.1.3.3 String.prototype.codePointAt(pos)
	  codePointAt: function codePointAt(pos) {
	    return $at(this, pos);
	  }
	});

	var codePointAt = _core.String.codePointAt;

	var max = Math.max;
	var min = Math.min;
	var _toAbsoluteIndex = function (index, length) {
	  index = _toInteger(index);
	  return index < 0 ? max(index + length, 0) : min(index, length);
	};

	var fromCharCode = String.fromCharCode;
	var $fromCodePoint = String.fromCodePoint;

	// length should be 1, old FF problem
	_export(_export.S + _export.F * (!!$fromCodePoint && $fromCodePoint.length != 1), 'String', {
	  // 21.1.2.2 String.fromCodePoint(...codePoints)
	  fromCodePoint: function fromCodePoint(x) {
	    var arguments$1 = arguments;
	 // eslint-disable-line no-unused-vars
	    var res = [];
	    var aLen = arguments.length;
	    var i = 0;
	    var code;
	    while (aLen > i) {
	      code = +arguments$1[i++];
	      if (_toAbsoluteIndex(code, 0x10ffff) !== code) { throw RangeError(code + ' is not a valid code point'); }
	      res.push(code < 0x10000
	        ? fromCharCode(code)
	        : fromCharCode(((code -= 0x10000) >> 10) + 0xd800, code % 0x400 + 0xdc00)
	      );
	    } return res.join('');
	  }
	});

	var fromCodePoint = _core.String.fromCodePoint;

	// This is a generated file. Do not edit.
	var Space_Separator = /[\u1680\u2000-\u200A\u202F\u205F\u3000]/;
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	var ID_Continue = /[\xAA\xB5\xBA\xC0-\xD6\xD8-\xF6\xF8-\u02C1\u02C6-\u02D1\u02E0-\u02E4\u02EC\u02EE\u0300-\u0374\u0376\u0377\u037A-\u037D\u037F\u0386\u0388-\u038A\u038C\u038E-\u03A1\u03A3-\u03F5\u03F7-\u0481\u0483-\u0487\u048A-\u052F\u0531-\u0556\u0559\u0561-\u0587\u0591-\u05BD\u05BF\u05C1\u05C2\u05C4\u05C5\u05C7\u05D0-\u05EA\u05F0-\u05F2\u0610-\u061A\u0620-\u0669\u066E-\u06D3\u06D5-\u06DC\u06DF-\u06E8\u06EA-\u06FC\u06FF\u0710-\u074A\u074D-\u07B1\u07C0-\u07F5\u07FA\u0800-\u082D\u0840-\u085B\u0860-\u086A\u08A0-\u08B4\u08B6-\u08BD\u08D4-\u08E1\u08E3-\u0963\u0966-\u096F\u0971-\u0983\u0985-\u098C\u098F\u0990\u0993-\u09A8\u09AA-\u09B0\u09B2\u09B6-\u09B9\u09BC-\u09C4\u09C7\u09C8\u09CB-\u09CE\u09D7\u09DC\u09DD\u09DF-\u09E3\u09E6-\u09F1\u09FC\u0A01-\u0A03\u0A05-\u0A0A\u0A0F\u0A10\u0A13-\u0A28\u0A2A-\u0A30\u0A32\u0A33\u0A35\u0A36\u0A38\u0A39\u0A3C\u0A3E-\u0A42\u0A47\u0A48\u0A4B-\u0A4D\u0A51\u0A59-\u0A5C\u0A5E\u0A66-\u0A75\u0A81-\u0A83\u0A85-\u0A8D\u0A8F-\u0A91\u0A93-\u0AA8\u0AAA-\u0AB0\u0AB2\u0AB3\u0AB5-\u0AB9\u0ABC-\u0AC5\u0AC7-\u0AC9\u0ACB-\u0ACD\u0AD0\u0AE0-\u0AE3\u0AE6-\u0AEF\u0AF9-\u0AFF\u0B01-\u0B03\u0B05-\u0B0C\u0B0F\u0B10\u0B13-\u0B28\u0B2A-\u0B30\u0B32\u0B33\u0B35-\u0B39\u0B3C-\u0B44\u0B47\u0B48\u0B4B-\u0B4D\u0B56\u0B57\u0B5C\u0B5D\u0B5F-\u0B63\u0B66-\u0B6F\u0B71\u0B82\u0B83\u0B85-\u0B8A\u0B8E-\u0B90\u0B92-\u0B95\u0B99\u0B9A\u0B9C\u0B9E\u0B9F\u0BA3\u0BA4\u0BA8-\u0BAA\u0BAE-\u0BB9\u0BBE-\u0BC2\u0BC6-\u0BC8\u0BCA-\u0BCD\u0BD0\u0BD7\u0BE6-\u0BEF\u0C00-\u0C03\u0C05-\u0C0C\u0C0E-\u0C10\u0C12-\u0C28\u0C2A-\u0C39\u0C3D-\u0C44\u0C46-\u0C48\u0C4A-\u0C4D\u0C55\u0C56\u0C58-\u0C5A\u0C60-\u0C63\u0C66-\u0C6F\u0C80-\u0C83\u0C85-\u0C8C\u0C8E-\u0C90\u0C92-\u0CA8\u0CAA-\u0CB3\u0CB5-\u0CB9\u0CBC-\u0CC4\u0CC6-\u0CC8\u0CCA-\u0CCD\u0CD5\u0CD6\u0CDE\u0CE0-\u0CE3\u0CE6-\u0CEF\u0CF1\u0CF2\u0D00-\u0D03\u0D05-\u0D0C\u0D0E-\u0D10\u0D12-\u0D44\u0D46-\u0D48\u0D4A-\u0D4E\u0D54-\u0D57\u0D5F-\u0D63\u0D66-\u0D6F\u0D7A-\u0D7F\u0D82\u0D83\u0D85-\u0D96\u0D9A-\u0DB1\u0DB3-\u0DBB\u0DBD\u0DC0-\u0DC6\u0DCA\u0DCF-\u0DD4\u0DD6\u0DD8-\u0DDF\u0DE6-\u0DEF\u0DF2\u0DF3\u0E01-\u0E3A\u0E40-\u0E4E\u0E50-\u0E59\u0E81\u0E82\u0E84\u0E87\u0E88\u0E8A\u0E8D\u0E94-\u0E97\u0E99-\u0E9F\u0EA1-\u0EA3\u0EA5\u0EA7\u0EAA\u0EAB\u0EAD-\u0EB9\u0EBB-\u0EBD\u0EC0-\u0EC4\u0EC6\u0EC8-\u0ECD\u0ED0-\u0ED9\u0EDC-\u0EDF\u0F00\u0F18\u0F19\u0F20-\u0F29\u0F35\u0F37\u0F39\u0F3E-\u0F47\u0F49-\u0F6C\u0F71-\u0F84\u0F86-\u0F97\u0F99-\u0FBC\u0FC6\u1000-\u1049\u1050-\u109D\u10A0-\u10C5\u10C7\u10CD\u10D0-\u10FA\u10FC-\u1248\u124A-\u124D\u1250-\u1256\u1258\u125A-\u125D\u1260-\u1288\u128A-\u128D\u1290-\u12B0\u12B2-\u12B5\u12B8-\u12BE\u12C0\u12C2-\u12C5\u12C8-\u12D6\u12D8-\u1310\u1312-\u1315\u1318-\u135A\u135D-\u135F\u1380-\u138F\u13A0-\u13F5\u13F8-\u13FD\u1401-\u166C\u166F-\u167F\u1681-\u169A\u16A0-\u16EA\u16EE-\u16F8\u1700-\u170C\u170E-\u1714\u1720-\u1734\u1740-\u1753\u1760-\u176C\u176E-\u1770\u1772\u1773\u1780-\u17D3\u17D7\u17DC\u17DD\u17E0-\u17E9\u180B-\u180D\u1810-\u1819\u1820-\u1877\u1880-\u18AA\u18B0-\u18F5\u1900-\u191E\u1920-\u192B\u1930-\u193B\u1946-\u196D\u1970-\u1974\u1980-\u19AB\u19B0-\u19C9\u19D0-\u19D9\u1A00-\u1A1B\u1A20-\u1A5E\u1A60-\u1A7C\u1A7F-\u1A89\u1A90-\u1A99\u1AA7\u1AB0-\u1ABD\u1B00-\u1B4B\u1B50-\u1B59\u1B6B-\u1B73\u1B80-\u1BF3\u1C00-\u1C37\u1C40-\u1C49\u1C4D-\u1C7D\u1C80-\u1C88\u1CD0-\u1CD2\u1CD4-\u1CF9\u1D00-\u1DF9\u1DFB-\u1F15\u1F18-\u1F1D\u1F20-\u1F45\u1F48-\u1F4D\u1F50-\u1F57\u1F59\u1F5B\u1F5D\u1F5F-\u1F7D\u1F80-\u1FB4\u1FB6-\u1FBC\u1FBE\u1FC2-\u1FC4\u1FC6-\u1FCC\u1FD0-\u1FD3\u1FD6-\u1FDB\u1FE0-\u1FEC\u1FF2-\u1FF4\u1FF6-\u1FFC\u203F\u2040\u2054\u2071\u207F\u2090-\u209C\u20D0-\u20DC\u20E1\u20E5-\u20F0\u2102\u2107\u210A-\u2113\u2115\u2119-\u211D\u2124\u2126\u2128\u212A-\u212D\u212F-\u2139\u213C-\u213F\u2145-\u2149\u214E\u2160-\u2188\u2C00-\u2C2E\u2C30-\u2C5E\u2C60-\u2CE4\u2CEB-\u2CF3\u2D00-\u2D25\u2D27\u2D2D\u2D30-\u2D67\u2D6F\u2D7F-\u2D96\u2DA0-\u2DA6\u2DA8-\u2DAE\u2DB0-\u2DB6\u2DB8-\u2DBE\u2DC0-\u2DC6\u2DC8-\u2DCE\u2DD0-\u2DD6\u2DD8-\u2DDE\u2DE0-\u2DFF\u2E2F\u3005-\u3007\u3021-\u302F\u3031-\u3035\u3038-\u303C\u3041-\u3096\u3099\u309A\u309D-\u309F\u30A1-\u30FA\u30FC-\u30FF\u3105-\u312E\u3131-\u318E\u31A0-\u31BA\u31F0-\u31FF\u3400-\u4DB5\u4E00-\u9FEA\uA000-\uA48C\uA4D0-\uA4FD\uA500-\uA60C\uA610-\uA62B\uA640-\uA66F\uA674-\uA67D\uA67F-\uA6F1\uA717-\uA71F\uA722-\uA788\uA78B-\uA7AE\uA7B0-\uA7B7\uA7F7-\uA827\uA840-\uA873\uA880-\uA8C5\uA8D0-\uA8D9\uA8E0-\uA8F7\uA8FB\uA8FD\uA900-\uA92D\uA930-\uA953\uA960-\uA97C\uA980-\uA9C0\uA9CF-\uA9D9\uA9E0-\uA9FE\uAA00-\uAA36\uAA40-\uAA4D\uAA50-\uAA59\uAA60-\uAA76\uAA7A-\uAAC2\uAADB-\uAADD\uAAE0-\uAAEF\uAAF2-\uAAF6\uAB01-\uAB06\uAB09-\uAB0E\uAB11-\uAB16\uAB20-\uAB26\uAB28-\uAB2E\uAB30-\uAB5A\uAB5C-\uAB65\uAB70-\uABEA\uABEC\uABED\uABF0-\uABF9\uAC00-\uD7A3\uD7B0-\uD7C6\uD7CB-\uD7FB\uF900-\uFA6D\uFA70-\uFAD9\uFB00-\uFB06\uFB13-\uFB17\uFB1D-\uFB28\uFB2A-\uFB36\uFB38-\uFB3C\uFB3E\uFB40\uFB41\uFB43\uFB44\uFB46-\uFBB1\uFBD3-\uFD3D\uFD50-\uFD8F\uFD92-\uFDC7\uFDF0-\uFDFB\uFE00-\uFE0F\uFE20-\uFE2F\uFE33\uFE34\uFE4D-\uFE4F\uFE70-\uFE74\uFE76-\uFEFC\uFF10-\uFF19\uFF21-\uFF3A\uFF3F\uFF41-\uFF5A\uFF66-\uFFBE\uFFC2-\uFFC7\uFFCA-\uFFCF\uFFD2-\uFFD7\uFFDA-\uFFDC]|\uD800[\uDC00-\uDC0B\uDC0D-\uDC26\uDC28-\uDC3A\uDC3C\uDC3D\uDC3F-\uDC4D\uDC50-\uDC5D\uDC80-\uDCFA\uDD40-\uDD74\uDDFD\uDE80-\uDE9C\uDEA0-\uDED0\uDEE0\uDF00-\uDF1F\uDF2D-\uDF4A\uDF50-\uDF7A\uDF80-\uDF9D\uDFA0-\uDFC3\uDFC8-\uDFCF\uDFD1-\uDFD5]|\uD801[\uDC00-\uDC9D\uDCA0-\uDCA9\uDCB0-\uDCD3\uDCD8-\uDCFB\uDD00-\uDD27\uDD30-\uDD63\uDE00-\uDF36\uDF40-\uDF55\uDF60-\uDF67]|\uD802[\uDC00-\uDC05\uDC08\uDC0A-\uDC35\uDC37\uDC38\uDC3C\uDC3F-\uDC55\uDC60-\uDC76\uDC80-\uDC9E\uDCE0-\uDCF2\uDCF4\uDCF5\uDD00-\uDD15\uDD20-\uDD39\uDD80-\uDDB7\uDDBE\uDDBF\uDE00-\uDE03\uDE05\uDE06\uDE0C-\uDE13\uDE15-\uDE17\uDE19-\uDE33\uDE38-\uDE3A\uDE3F\uDE60-\uDE7C\uDE80-\uDE9C\uDEC0-\uDEC7\uDEC9-\uDEE6\uDF00-\uDF35\uDF40-\uDF55\uDF60-\uDF72\uDF80-\uDF91]|\uD803[\uDC00-\uDC48\uDC80-\uDCB2\uDCC0-\uDCF2]|\uD804[\uDC00-\uDC46\uDC66-\uDC6F\uDC7F-\uDCBA\uDCD0-\uDCE8\uDCF0-\uDCF9\uDD00-\uDD34\uDD36-\uDD3F\uDD50-\uDD73\uDD76\uDD80-\uDDC4\uDDCA-\uDDCC\uDDD0-\uDDDA\uDDDC\uDE00-\uDE11\uDE13-\uDE37\uDE3E\uDE80-\uDE86\uDE88\uDE8A-\uDE8D\uDE8F-\uDE9D\uDE9F-\uDEA8\uDEB0-\uDEEA\uDEF0-\uDEF9\uDF00-\uDF03\uDF05-\uDF0C\uDF0F\uDF10\uDF13-\uDF28\uDF2A-\uDF30\uDF32\uDF33\uDF35-\uDF39\uDF3C-\uDF44\uDF47\uDF48\uDF4B-\uDF4D\uDF50\uDF57\uDF5D-\uDF63\uDF66-\uDF6C\uDF70-\uDF74]|\uD805[\uDC00-\uDC4A\uDC50-\uDC59\uDC80-\uDCC5\uDCC7\uDCD0-\uDCD9\uDD80-\uDDB5\uDDB8-\uDDC0\uDDD8-\uDDDD\uDE00-\uDE40\uDE44\uDE50-\uDE59\uDE80-\uDEB7\uDEC0-\uDEC9\uDF00-\uDF19\uDF1D-\uDF2B\uDF30-\uDF39]|\uD806[\uDCA0-\uDCE9\uDCFF\uDE00-\uDE3E\uDE47\uDE50-\uDE83\uDE86-\uDE99\uDEC0-\uDEF8]|\uD807[\uDC00-\uDC08\uDC0A-\uDC36\uDC38-\uDC40\uDC50-\uDC59\uDC72-\uDC8F\uDC92-\uDCA7\uDCA9-\uDCB6\uDD00-\uDD06\uDD08\uDD09\uDD0B-\uDD36\uDD3A\uDD3C\uDD3D\uDD3F-\uDD47\uDD50-\uDD59]|\uD808[\uDC00-\uDF99]|\uD809[\uDC00-\uDC6E\uDC80-\uDD43]|[\uD80C\uD81C-\uD820\uD840-\uD868\uD86A-\uD86C\uD86F-\uD872\uD874-\uD879][\uDC00-\uDFFF]|\uD80D[\uDC00-\uDC2E]|\uD811[\uDC00-\uDE46]|\uD81A[\uDC00-\uDE38\uDE40-\uDE5E\uDE60-\uDE69\uDED0-\uDEED\uDEF0-\uDEF4\uDF00-\uDF36\uDF40-\uDF43\uDF50-\uDF59\uDF63-\uDF77\uDF7D-\uDF8F]|\uD81B[\uDF00-\uDF44\uDF50-\uDF7E\uDF8F-\uDF9F\uDFE0\uDFE1]|\uD821[\uDC00-\uDFEC]|\uD822[\uDC00-\uDEF2]|\uD82C[\uDC00-\uDD1E\uDD70-\uDEFB]|\uD82F[\uDC00-\uDC6A\uDC70-\uDC7C\uDC80-\uDC88\uDC90-\uDC99\uDC9D\uDC9E]|\uD834[\uDD65-\uDD69\uDD6D-\uDD72\uDD7B-\uDD82\uDD85-\uDD8B\uDDAA-\uDDAD\uDE42-\uDE44]|\uD835[\uDC00-\uDC54\uDC56-\uDC9C\uDC9E\uDC9F\uDCA2\uDCA5\uDCA6\uDCA9-\uDCAC\uDCAE-\uDCB9\uDCBB\uDCBD-\uDCC3\uDCC5-\uDD05\uDD07-\uDD0A\uDD0D-\uDD14\uDD16-\uDD1C\uDD1E-\uDD39\uDD3B-\uDD3E\uDD40-\uDD44\uDD46\uDD4A-\uDD50\uDD52-\uDEA5\uDEA8-\uDEC0\uDEC2-\uDEDA\uDEDC-\uDEFA\uDEFC-\uDF14\uDF16-\uDF34\uDF36-\uDF4E\uDF50-\uDF6E\uDF70-\uDF88\uDF8A-\uDFA8\uDFAA-\uDFC2\uDFC4-\uDFCB\uDFCE-\uDFFF]|\uD836[\uDE00-\uDE36\uDE3B-\uDE6C\uDE75\uDE84\uDE9B-\uDE9F\uDEA1-\uDEAF]|\uD838[\uDC00-\uDC06\uDC08-\uDC18\uDC1B-\uDC21\uDC23\uDC24\uDC26-\uDC2A]|\uD83A[\uDC00-\uDCC4\uDCD0-\uDCD6\uDD00-\uDD4A\uDD50-\uDD59]|\uD83B[\uDE00-\uDE03\uDE05-\uDE1F\uDE21\uDE22\uDE24\uDE27\uDE29-\uDE32\uDE34-\uDE37\uDE39\uDE3B\uDE42\uDE47\uDE49\uDE4B\uDE4D-\uDE4F\uDE51\uDE52\uDE54\uDE57\uDE59\uDE5B\uDE5D\uDE5F\uDE61\uDE62\uDE64\uDE67-\uDE6A\uDE6C-\uDE72\uDE74-\uDE77\uDE79-\uDE7C\uDE7E\uDE80-\uDE89\uDE8B-\uDE9B\uDEA1-\uDEA3\uDEA5-\uDEA9\uDEAB-\uDEBB]|\uD869[\uDC00-\uDED6\uDF00-\uDFFF]|\uD86D[\uDC00-\uDF34\uDF40-\uDFFF]|\uD86E[\uDC00-\uDC1D\uDC20-\uDFFF]|\uD873[\uDC00-\uDEA1\uDEB0-\uDFFF]|\uD87A[\uDC00-\uDFE0]|\uD87E[\uDC00-\uDE1D]|\uDB40[\uDD00-\uDDEF]/;

	var unicode = {
		Space_Separator: Space_Separator,
		ID_Start: ID_Start,
		ID_Continue: ID_Continue
	};

	var util = {
	    isSpaceSeparator: function isSpaceSeparator (c) {
	        return typeof c === 'string' && unicode.Space_Separator.test(c)
	    },

	    isIdStartChar: function isIdStartChar (c) {
	        return typeof c === 'string' && (
	            (c >= 'a' && c <= 'z') ||
	        (c >= 'A' && c <= 'Z') ||
	        (c === '$') || (c === '_') ||
	        unicode.ID_Start.test(c)
	        )
	    },

	    isIdContinueChar: function isIdContinueChar (c) {
	        return typeof c === 'string' && (
	            (c >= 'a' && c <= 'z') ||
	        (c >= 'A' && c <= 'Z') ||
	        (c >= '0' && c <= '9') ||
	        (c === '$') || (c === '_') ||
	        (c === '\u200C') || (c === '\u200D') ||
	        unicode.ID_Continue.test(c)
	        )
	    },

	    isDigit: function isDigit (c) {
	        return typeof c === 'string' && /[0-9]/.test(c)
	    },

	    isHexDigit: function isHexDigit (c) {
	        return typeof c === 'string' && /[0-9A-Fa-f]/.test(c)
	    },
	};

	var source;
	var parseState;
	var stack;
	var pos;
	var line;
	var column;
	var token;
	var key;
	var root;

	var parse = function parse (text, reviver) {
	    source = String(text);
	    parseState = 'start';
	    stack = [];
	    pos = 0;
	    line = 1;
	    column = 0;
	    token = undefined;
	    key = undefined;
	    root = undefined;

	    do {
	        token = lex();

	        // This code is unreachable.
	        // if (!parseStates[parseState]) {
	        //     throw invalidParseState()
	        // }

	        parseStates[parseState]();
	    } while (token.type !== 'eof')

	    if (typeof reviver === 'function') {
	        return internalize({'': root}, '', reviver)
	    }

	    return root
	};

	function internalize (holder, name, reviver) {
	    var value = holder[name];
	    if (value != null && typeof value === 'object') {
	        if (Array.isArray(value)) {
	            for (var i = 0; i < value.length; i++) {
	                var key = String(i);
	                var replacement = internalize(value, key, reviver);
	                if (replacement === undefined) {
	                    delete value[key];
	                } else {
	                    Object.defineProperty(value, key, {
	                        value: replacement,
	                        writable: true,
	                        enumerable: true,
	                        configurable: true,
	                    });
	                }
	            }
	        } else {
	            for (var key$1 in value) {
	                var replacement$1 = internalize(value, key$1, reviver);
	                if (replacement$1 === undefined) {
	                    delete value[key$1];
	                } else {
	                    Object.defineProperty(value, key$1, {
	                        value: replacement$1,
	                        writable: true,
	                        enumerable: true,
	                        configurable: true,
	                    });
	                }
	            }
	        }
	    }

	    return reviver.call(holder, name, value)
	}

	var lexState;
	var buffer;
	var doubleQuote;
	var sign;
	var c;

	function lex () {
	    lexState = 'default';
	    buffer = '';
	    doubleQuote = false;
	    sign = 1;

	    for (;;) {
	        c = peek();

	        // This code is unreachable.
	        // if (!lexStates[lexState]) {
	        //     throw invalidLexState(lexState)
	        // }

	        var token = lexStates[lexState]();
	        if (token) {
	            return token
	        }
	    }
	}

	function peek () {
	    if (source[pos]) {
	        return String.fromCodePoint(source.codePointAt(pos))
	    }
	}

	function read () {
	    var c = peek();

	    if (c === '\n') {
	        line++;
	        column = 0;
	    } else if (c) {
	        column += c.length;
	    } else {
	        column++;
	    }

	    if (c) {
	        pos += c.length;
	    }

	    return c
	}

	var lexStates = {
	    default: function default$1 () {
	        switch (c) {
	        case '\t':
	        case '\v':
	        case '\f':
	        case ' ':
	        case '\u00A0':
	        case '\uFEFF':
	        case '\n':
	        case '\r':
	        case '\u2028':
	        case '\u2029':
	            read();
	            return

	        case '/':
	            read();
	            lexState = 'comment';
	            return

	        case undefined:
	            read();
	            return newToken('eof')
	        }

	        if (util.isSpaceSeparator(c)) {
	            read();
	            return
	        }

	        // This code is unreachable.
	        // if (!lexStates[parseState]) {
	        //     throw invalidLexState(parseState)
	        // }

	        return lexStates[parseState]()
	    },

	    comment: function comment () {
	        switch (c) {
	        case '*':
	            read();
	            lexState = 'multiLineComment';
	            return

	        case '/':
	            read();
	            lexState = 'singleLineComment';
	            return
	        }

	        throw invalidChar(read())
	    },

	    multiLineComment: function multiLineComment () {
	        switch (c) {
	        case '*':
	            read();
	            lexState = 'multiLineCommentAsterisk';
	            return

	        case undefined:
	            throw invalidChar(read())
	        }

	        read();
	    },

	    multiLineCommentAsterisk: function multiLineCommentAsterisk () {
	        switch (c) {
	        case '*':
	            read();
	            return

	        case '/':
	            read();
	            lexState = 'default';
	            return

	        case undefined:
	            throw invalidChar(read())
	        }

	        read();
	        lexState = 'multiLineComment';
	    },

	    singleLineComment: function singleLineComment () {
	        switch (c) {
	        case '\n':
	        case '\r':
	        case '\u2028':
	        case '\u2029':
	            read();
	            lexState = 'default';
	            return

	        case undefined:
	            read();
	            return newToken('eof')
	        }

	        read();
	    },

	    value: function value () {
	        switch (c) {
	        case '{':
	        case '[':
	            return newToken('punctuator', read())

	        case 'n':
	            read();
	            literal('ull');
	            return newToken('null', null)

	        case 't':
	            read();
	            literal('rue');
	            return newToken('boolean', true)

	        case 'f':
	            read();
	            literal('alse');
	            return newToken('boolean', false)

	        case '-':
	        case '+':
	            if (read() === '-') {
	                sign = -1;
	            }

	            lexState = 'sign';
	            return

	        case '.':
	            buffer = read();
	            lexState = 'decimalPointLeading';
	            return

	        case '0':
	            buffer = read();
	            lexState = 'zero';
	            return

	        case '1':
	        case '2':
	        case '3':
	        case '4':
	        case '5':
	        case '6':
	        case '7':
	        case '8':
	        case '9':
	            buffer = read();
	            lexState = 'decimalInteger';
	            return

	        case 'I':
	            read();
	            literal('nfinity');
	            return newToken('numeric', Infinity)

	        case 'N':
	            read();
	            literal('aN');
	            return newToken('numeric', NaN)

	        case '"':
	        case "'":
	            doubleQuote = (read() === '"');
	            buffer = '';
	            lexState = 'string';
	            return
	        }

	        throw invalidChar(read())
	    },

	    identifierNameStartEscape: function identifierNameStartEscape () {
	        if (c !== 'u') {
	            throw invalidChar(read())
	        }

	        read();
	        var u = unicodeEscape();
	        switch (u) {
	        case '$':
	        case '_':
	            break

	        default:
	            if (!util.isIdStartChar(u)) {
	                throw invalidIdentifier()
	            }

	            break
	        }

	        buffer += u;
	        lexState = 'identifierName';
	    },

	    identifierName: function identifierName () {
	        switch (c) {
	        case '$':
	        case '_':
	        case '\u200C':
	        case '\u200D':
	            buffer += read();
	            return

	        case '\\':
	            read();
	            lexState = 'identifierNameEscape';
	            return
	        }

	        if (util.isIdContinueChar(c)) {
	            buffer += read();
	            return
	        }

	        return newToken('identifier', buffer)
	    },

	    identifierNameEscape: function identifierNameEscape () {
	        if (c !== 'u') {
	            throw invalidChar(read())
	        }

	        read();
	        var u = unicodeEscape();
	        switch (u) {
	        case '$':
	        case '_':
	        case '\u200C':
	        case '\u200D':
	            break

	        default:
	            if (!util.isIdContinueChar(u)) {
	                throw invalidIdentifier()
	            }

	            break
	        }

	        buffer += u;
	        lexState = 'identifierName';
	    },

	    sign: function sign$1 () {
	        switch (c) {
	        case '.':
	            buffer = read();
	            lexState = 'decimalPointLeading';
	            return

	        case '0':
	            buffer = read();
	            lexState = 'zero';
	            return

	        case '1':
	        case '2':
	        case '3':
	        case '4':
	        case '5':
	        case '6':
	        case '7':
	        case '8':
	        case '9':
	            buffer = read();
	            lexState = 'decimalInteger';
	            return

	        case 'I':
	            read();
	            literal('nfinity');
	            return newToken('numeric', sign * Infinity)

	        case 'N':
	            read();
	            literal('aN');
	            return newToken('numeric', NaN)
	        }

	        throw invalidChar(read())
	    },

	    zero: function zero () {
	        switch (c) {
	        case '.':
	            buffer += read();
	            lexState = 'decimalPoint';
	            return

	        case 'e':
	        case 'E':
	            buffer += read();
	            lexState = 'decimalExponent';
	            return

	        case 'x':
	        case 'X':
	            buffer += read();
	            lexState = 'hexadecimal';
	            return
	        }

	        return newToken('numeric', sign * 0)
	    },

	    decimalInteger: function decimalInteger () {
	        switch (c) {
	        case '.':
	            buffer += read();
	            lexState = 'decimalPoint';
	            return

	        case 'e':
	        case 'E':
	            buffer += read();
	            lexState = 'decimalExponent';
	            return
	        }

	        if (util.isDigit(c)) {
	            buffer += read();
	            return
	        }

	        return newToken('numeric', sign * Number(buffer))
	    },

	    decimalPointLeading: function decimalPointLeading () {
	        if (util.isDigit(c)) {
	            buffer += read();
	            lexState = 'decimalFraction';
	            return
	        }

	        throw invalidChar(read())
	    },

	    decimalPoint: function decimalPoint () {
	        switch (c) {
	        case 'e':
	        case 'E':
	            buffer += read();
	            lexState = 'decimalExponent';
	            return
	        }

	        if (util.isDigit(c)) {
	            buffer += read();
	            lexState = 'decimalFraction';
	            return
	        }

	        return newToken('numeric', sign * Number(buffer))
	    },

	    decimalFraction: function decimalFraction () {
	        switch (c) {
	        case 'e':
	        case 'E':
	            buffer += read();
	            lexState = 'decimalExponent';
	            return
	        }

	        if (util.isDigit(c)) {
	            buffer += read();
	            return
	        }

	        return newToken('numeric', sign * Number(buffer))
	    },

	    decimalExponent: function decimalExponent () {
	        switch (c) {
	        case '+':
	        case '-':
	            buffer += read();
	            lexState = 'decimalExponentSign';
	            return
	        }

	        if (util.isDigit(c)) {
	            buffer += read();
	            lexState = 'decimalExponentInteger';
	            return
	        }

	        throw invalidChar(read())
	    },

	    decimalExponentSign: function decimalExponentSign () {
	        if (util.isDigit(c)) {
	            buffer += read();
	            lexState = 'decimalExponentInteger';
	            return
	        }

	        throw invalidChar(read())
	    },

	    decimalExponentInteger: function decimalExponentInteger () {
	        if (util.isDigit(c)) {
	            buffer += read();
	            return
	        }

	        return newToken('numeric', sign * Number(buffer))
	    },

	    hexadecimal: function hexadecimal () {
	        if (util.isHexDigit(c)) {
	            buffer += read();
	            lexState = 'hexadecimalInteger';
	            return
	        }

	        throw invalidChar(read())
	    },

	    hexadecimalInteger: function hexadecimalInteger () {
	        if (util.isHexDigit(c)) {
	            buffer += read();
	            return
	        }

	        return newToken('numeric', sign * Number(buffer))
	    },

	    string: function string () {
	        switch (c) {
	        case '\\':
	            read();
	            buffer += escape();
	            return

	        case '"':
	            if (doubleQuote) {
	                read();
	                return newToken('string', buffer)
	            }

	            buffer += read();
	            return

	        case "'":
	            if (!doubleQuote) {
	                read();
	                return newToken('string', buffer)
	            }

	            buffer += read();
	            return

	        case '\n':
	        case '\r':
	            throw invalidChar(read())

	        case '\u2028':
	        case '\u2029':
	            separatorChar(c);
	            break

	        case undefined:
	            throw invalidChar(read())
	        }

	        buffer += read();
	    },

	    start: function start () {
	        switch (c) {
	        case '{':
	        case '[':
	            return newToken('punctuator', read())

	        // This code is unreachable since the default lexState handles eof.
	        // case undefined:
	        //     return newToken('eof')
	        }

	        lexState = 'value';
	    },

	    beforePropertyName: function beforePropertyName () {
	        switch (c) {
	        case '$':
	        case '_':
	            buffer = read();
	            lexState = 'identifierName';
	            return

	        case '\\':
	            read();
	            lexState = 'identifierNameStartEscape';
	            return

	        case '}':
	            return newToken('punctuator', read())

	        case '"':
	        case "'":
	            doubleQuote = (read() === '"');
	            lexState = 'string';
	            return
	        }

	        if (util.isIdStartChar(c)) {
	            buffer += read();
	            lexState = 'identifierName';
	            return
	        }

	        throw invalidChar(read())
	    },

	    afterPropertyName: function afterPropertyName () {
	        if (c === ':') {
	            return newToken('punctuator', read())
	        }

	        throw invalidChar(read())
	    },

	    beforePropertyValue: function beforePropertyValue () {
	        lexState = 'value';
	    },

	    afterPropertyValue: function afterPropertyValue () {
	        switch (c) {
	        case ',':
	        case '}':
	            return newToken('punctuator', read())
	        }

	        throw invalidChar(read())
	    },

	    beforeArrayValue: function beforeArrayValue () {
	        if (c === ']') {
	            return newToken('punctuator', read())
	        }

	        lexState = 'value';
	    },

	    afterArrayValue: function afterArrayValue () {
	        switch (c) {
	        case ',':
	        case ']':
	            return newToken('punctuator', read())
	        }

	        throw invalidChar(read())
	    },

	    end: function end () {
	        // This code is unreachable since it's handled by the default lexState.
	        // if (c === undefined) {
	        //     read()
	        //     return newToken('eof')
	        // }

	        throw invalidChar(read())
	    },
	};

	function newToken (type, value) {
	    return {
	        type: type,
	        value: value,
	        line: line,
	        column: column,
	    }
	}

	function literal (s) {
	    for (var i = 0, list = s; i < list.length; i += 1) {
	        var c = list[i];

	        var p = peek();

	        if (p !== c) {
	            throw invalidChar(read())
	        }

	        read();
	    }
	}

	function escape () {
	    var c = peek();
	    switch (c) {
	    case 'b':
	        read();
	        return '\b'

	    case 'f':
	        read();
	        return '\f'

	    case 'n':
	        read();
	        return '\n'

	    case 'r':
	        read();
	        return '\r'

	    case 't':
	        read();
	        return '\t'

	    case 'v':
	        read();
	        return '\v'

	    case '0':
	        read();
	        if (util.isDigit(peek())) {
	            throw invalidChar(read())
	        }

	        return '\0'

	    case 'x':
	        read();
	        return hexEscape()

	    case 'u':
	        read();
	        return unicodeEscape()

	    case '\n':
	    case '\u2028':
	    case '\u2029':
	        read();
	        return ''

	    case '\r':
	        read();
	        if (peek() === '\n') {
	            read();
	        }

	        return ''

	    case '1':
	    case '2':
	    case '3':
	    case '4':
	    case '5':
	    case '6':
	    case '7':
	    case '8':
	    case '9':
	        throw invalidChar(read())

	    case undefined:
	        throw invalidChar(read())
	    }

	    return read()
	}

	function hexEscape () {
	    var buffer = '';
	    var c = peek();

	    if (!util.isHexDigit(c)) {
	        throw invalidChar(read())
	    }

	    buffer += read();

	    c = peek();
	    if (!util.isHexDigit(c)) {
	        throw invalidChar(read())
	    }

	    buffer += read();

	    return String.fromCodePoint(parseInt(buffer, 16))
	}

	function unicodeEscape () {
	    var buffer = '';
	    var count = 4;

	    while (count-- > 0) {
	        var c = peek();
	        if (!util.isHexDigit(c)) {
	            throw invalidChar(read())
	        }

	        buffer += read();
	    }

	    return String.fromCodePoint(parseInt(buffer, 16))
	}

	var parseStates = {
	    start: function start () {
	        if (token.type === 'eof') {
	            throw invalidEOF()
	        }

	        push();
	    },

	    beforePropertyName: function beforePropertyName () {
	        switch (token.type) {
	        case 'identifier':
	        case 'string':
	            key = token.value;
	            parseState = 'afterPropertyName';
	            return

	        case 'punctuator':
	            // This code is unreachable since it's handled by the lexState.
	            // if (token.value !== '}') {
	            //     throw invalidToken()
	            // }

	            pop();
	            return

	        case 'eof':
	            throw invalidEOF()
	        }

	        // This code is unreachable since it's handled by the lexState.
	        // throw invalidToken()
	    },

	    afterPropertyName: function afterPropertyName () {
	        // This code is unreachable since it's handled by the lexState.
	        // if (token.type !== 'punctuator' || token.value !== ':') {
	        //     throw invalidToken()
	        // }

	        if (token.type === 'eof') {
	            throw invalidEOF()
	        }

	        parseState = 'beforePropertyValue';
	    },

	    beforePropertyValue: function beforePropertyValue () {
	        if (token.type === 'eof') {
	            throw invalidEOF()
	        }

	        push();
	    },

	    beforeArrayValue: function beforeArrayValue () {
	        if (token.type === 'eof') {
	            throw invalidEOF()
	        }

	        if (token.type === 'punctuator' && token.value === ']') {
	            pop();
	            return
	        }

	        push();
	    },

	    afterPropertyValue: function afterPropertyValue () {
	        // This code is unreachable since it's handled by the lexState.
	        // if (token.type !== 'punctuator') {
	        //     throw invalidToken()
	        // }

	        if (token.type === 'eof') {
	            throw invalidEOF()
	        }

	        switch (token.value) {
	        case ',':
	            parseState = 'beforePropertyName';
	            return

	        case '}':
	            pop();
	        }

	        // This code is unreachable since it's handled by the lexState.
	        // throw invalidToken()
	    },

	    afterArrayValue: function afterArrayValue () {
	        // This code is unreachable since it's handled by the lexState.
	        // if (token.type !== 'punctuator') {
	        //     throw invalidToken()
	        // }

	        if (token.type === 'eof') {
	            throw invalidEOF()
	        }

	        switch (token.value) {
	        case ',':
	            parseState = 'beforeArrayValue';
	            return

	        case ']':
	            pop();
	        }

	        // This code is unreachable since it's handled by the lexState.
	        // throw invalidToken()
	    },

	    end: function end () {
	        // This code is unreachable since it's handled by the lexState.
	        // if (token.type !== 'eof') {
	        //     throw invalidToken()
	        // }
	    },
	};

	function push () {
	    var value;

	    switch (token.type) {
	    case 'punctuator':
	        switch (token.value) {
	        case '{':
	            value = {};
	            break

	        case '[':
	            value = [];
	            break
	        }

	        break

	    case 'null':
	    case 'boolean':
	    case 'numeric':
	    case 'string':
	        value = token.value;
	        break

	    // This code is unreachable.
	    // default:
	    //     throw invalidToken()
	    }

	    if (root === undefined) {
	        root = value;
	    } else {
	        var parent = stack[stack.length - 1];
	        if (Array.isArray(parent)) {
	            parent.push(value);
	        } else {
	            Object.defineProperty(parent, key, {
	                value: value,
	                writable: true,
	                enumerable: true,
	                configurable: true,
	            });
	        }
	    }

	    if (value !== null && typeof value === 'object') {
	        stack.push(value);

	        if (Array.isArray(value)) {
	            parseState = 'beforeArrayValue';
	        } else {
	            parseState = 'beforePropertyName';
	        }
	    } else {
	        var current = stack[stack.length - 1];
	        if (current == null) {
	            parseState = 'end';
	        } else if (Array.isArray(current)) {
	            parseState = 'afterArrayValue';
	        } else {
	            parseState = 'afterPropertyValue';
	        }
	    }
	}

	function pop () {
	    stack.pop();

	    var current = stack[stack.length - 1];
	    if (current == null) {
	        parseState = 'end';
	    } else if (Array.isArray(current)) {
	        parseState = 'afterArrayValue';
	    } else {
	        parseState = 'afterPropertyValue';
	    }
	}

	// This code is unreachable.
	// function invalidParseState () {
	//     return new Error(`JSON5: invalid parse state '${parseState}'`)
	// }

	// This code is unreachable.
	// function invalidLexState (state) {
	//     return new Error(`JSON5: invalid lex state '${state}'`)
	// }

	function invalidChar (c) {
	    if (c === undefined) {
	        return syntaxError(("JSON5: invalid end of input at " + line + ":" + column))
	    }

	    return syntaxError(("JSON5: invalid character '" + (formatChar(c)) + "' at " + line + ":" + column))
	}

	function invalidEOF () {
	    return syntaxError(("JSON5: invalid end of input at " + line + ":" + column))
	}

	// This code is unreachable.
	// function invalidToken () {
	//     if (token.type === 'eof') {
	//         return syntaxError(`JSON5: invalid end of input at ${line}:${column}`)
	//     }

	//     const c = String.fromCodePoint(token.value.codePointAt(0))
	//     return syntaxError(`JSON5: invalid character '${formatChar(c)}' at ${line}:${column}`)
	// }

	function invalidIdentifier () {
	    column -= 5;
	    return syntaxError(("JSON5: invalid identifier character at " + line + ":" + column))
	}

	function separatorChar (c) {
	    console.warn(("JSON5: '" + (formatChar(c)) + "' in strings is not valid ECMAScript; consider escaping"));
	}

	function formatChar (c) {
	    var replacements = {
	        "'": "\\'",
	        '"': '\\"',
	        '\\': '\\\\',
	        '\b': '\\b',
	        '\f': '\\f',
	        '\n': '\\n',
	        '\r': '\\r',
	        '\t': '\\t',
	        '\v': '\\v',
	        '\0': '\\0',
	        '\u2028': '\\u2028',
	        '\u2029': '\\u2029',
	    };

	    if (replacements[c]) {
	        return replacements[c]
	    }

	    if (c < ' ') {
	        var hexString = c.charCodeAt(0).toString(16);
	        return '\\x' + ('00' + hexString).substring(hexString.length)
	    }

	    return c
	}

	function syntaxError (message) {
	    var err = new SyntaxError(message);
	    err.lineNumber = line;
	    err.columnNumber = column;
	    return err
	}

	var stringify = function stringify (value, replacer, space) {
	    var stack = [];
	    var indent = '';
	    var propertyList;
	    var replacerFunc;
	    var gap = '';
	    var quote;

	    if (
	        replacer != null &&
	        typeof replacer === 'object' &&
	        !Array.isArray(replacer)
	    ) {
	        space = replacer.space;
	        quote = replacer.quote;
	        replacer = replacer.replacer;
	    }

	    if (typeof replacer === 'function') {
	        replacerFunc = replacer;
	    } else if (Array.isArray(replacer)) {
	        propertyList = [];
	        for (var i = 0, list = replacer; i < list.length; i += 1) {
	            var v = list[i];

	            var item = (void 0);

	            if (typeof v === 'string') {
	                item = v;
	            } else if (
	                typeof v === 'number' ||
	                v instanceof String ||
	                v instanceof Number
	            ) {
	                item = String(v);
	            }

	            if (item !== undefined && propertyList.indexOf(item) < 0) {
	                propertyList.push(item);
	            }
	        }
	    }

	    if (space instanceof Number) {
	        space = Number(space);
	    } else if (space instanceof String) {
	        space = String(space);
	    }

	    if (typeof space === 'number') {
	        if (space > 0) {
	            space = Math.min(10, Math.floor(space));
	            gap = '          '.substr(0, space);
	        }
	    } else if (typeof space === 'string') {
	        gap = space.substr(0, 10);
	    }

	    return serializeProperty('', {'': value})

	    function serializeProperty (key, holder) {
	        var value = holder[key];
	        if (value != null) {
	            if (typeof value.toJSON5 === 'function') {
	                value = value.toJSON5(key);
	            } else if (typeof value.toJSON === 'function') {
	                value = value.toJSON(key);
	            }
	        }

	        if (replacerFunc) {
	            value = replacerFunc.call(holder, key, value);
	        }

	        if (value instanceof Number) {
	            value = Number(value);
	        } else if (value instanceof String) {
	            value = String(value);
	        } else if (value instanceof Boolean) {
	            value = value.valueOf();
	        }

	        switch (value) {
	        case null: return 'null'
	        case true: return 'true'
	        case false: return 'false'
	        }

	        if (typeof value === 'string') {
	            return quoteString(value, false)
	        }

	        if (typeof value === 'number') {
	            return String(value)
	        }

	        if (typeof value === 'object') {
	            return Array.isArray(value) ? serializeArray(value) : serializeObject(value)
	        }

	        return undefined
	    }

	    function quoteString (value) {
	        var quotes = {
	            "'": 0.1,
	            '"': 0.2,
	        };

	        var replacements = {
	            "'": "\\'",
	            '"': '\\"',
	            '\\': '\\\\',
	            '\b': '\\b',
	            '\f': '\\f',
	            '\n': '\\n',
	            '\r': '\\r',
	            '\t': '\\t',
	            '\v': '\\v',
	            '\0': '\\0',
	            '\u2028': '\\u2028',
	            '\u2029': '\\u2029',
	        };

	        var product = '';

	        for (var i = 0; i < value.length; i++) {
	            var c = value[i];
	            switch (c) {
	            case "'":
	            case '"':
	                quotes[c]++;
	                product += c;
	                continue

	            case '\0':
	                if (util.isDigit(value[i + 1])) {
	                    product += '\\x00';
	                    continue
	                }
	            }

	            if (replacements[c]) {
	                product += replacements[c];
	                continue
	            }

	            if (c < ' ') {
	                var hexString = c.charCodeAt(0).toString(16);
	                product += '\\x' + ('00' + hexString).substring(hexString.length);
	                continue
	            }

	            product += c;
	        }

	        var quoteChar = quote || Object.keys(quotes).reduce(function (a, b) { return (quotes[a] < quotes[b]) ? a : b; });

	        product = product.replace(new RegExp(quoteChar, 'g'), replacements[quoteChar]);

	        return quoteChar + product + quoteChar
	    }

	    function serializeObject (value) {
	        if (stack.indexOf(value) >= 0) {
	            throw TypeError('Converting circular structure to JSON5')
	        }

	        stack.push(value);

	        var stepback = indent;
	        indent = indent + gap;

	        var keys = propertyList || Object.keys(value);
	        var partial = [];
	        for (var i = 0, list = keys; i < list.length; i += 1) {
	            var key = list[i];

	            var propertyString = serializeProperty(key, value);
	            if (propertyString !== undefined) {
	                var member = serializeKey(key) + ':';
	                if (gap !== '') {
	                    member += ' ';
	                }
	                member += propertyString;
	                partial.push(member);
	            }
	        }

	        var final;
	        if (partial.length === 0) {
	            final = '{}';
	        } else {
	            var properties;
	            if (gap === '') {
	                properties = partial.join(',');
	                final = '{' + properties + '}';
	            } else {
	                var separator = ',\n' + indent;
	                properties = partial.join(separator);
	                final = '{\n' + indent + properties + ',\n' + stepback + '}';
	            }
	        }

	        stack.pop();
	        indent = stepback;
	        return final
	    }

	    function serializeKey (key) {
	        if (key.length === 0) {
	            return quoteString(key, true)
	        }

	        var firstChar = String.fromCodePoint(key.codePointAt(0));
	        if (!util.isIdStartChar(firstChar)) {
	            return quoteString(key, true)
	        }

	        for (var i = firstChar.length; i < key.length; i++) {
	            if (!util.isIdContinueChar(String.fromCodePoint(key.codePointAt(i)))) {
	                return quoteString(key, true)
	            }
	        }

	        return key
	    }

	    function serializeArray (value) {
	        if (stack.indexOf(value) >= 0) {
	            throw TypeError('Converting circular structure to JSON5')
	        }

	        stack.push(value);

	        var stepback = indent;
	        indent = indent + gap;

	        var partial = [];
	        for (var i = 0; i < value.length; i++) {
	            var propertyString = serializeProperty(String(i), value);
	            partial.push((propertyString !== undefined) ? propertyString : 'null');
	        }

	        var final;
	        if (partial.length === 0) {
	            final = '[]';
	        } else {
	            if (gap === '') {
	                var properties = partial.join(',');
	                final = '[' + properties + ']';
	            } else {
	                var separator = ',\n' + indent;
	                var properties$1 = partial.join(separator);
	                final = '[\n' + indent + properties$1 + ',\n' + stepback + ']';
	            }
	        }

	        stack.pop();
	        indent = stepback;
	        return final
	    }
	};

	var JSON5 = {
	    parse: parse,
	    stringify: stringify,
	};

	var lib = JSON5;

	var es5 = lib;

	return es5;

})));