vis-network/dist/vis-network.esm.js

A dynamic, browser-based visualization library.

/**
 * vis-network
 * https://visjs.github.io/vis-network/
 *
 * A dynamic, browser-based visualization library.
 *
 * @version 6.5.2
 * @date    2020-01-12T20:07:21.735Z
 *
 * @copyright (c) 2011-2017 Almende B.V, http://almende.com
 * @copyright (c) 2017-2019 visjs contributors, https://github.com/visjs
 *
 * @license
 * vis.js is dual licensed under both
 *
 *   1. The Apache 2.0 License
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *   and
 *
 *   2. The MIT License
 *      http://opensource.org/licenses/MIT
 *
 * vis.js may be distributed under either license.
 */

var commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};

function commonjsRequire () {
	throw new Error('Dynamic requires are not currently supported by rollup-plugin-commonjs');
}

function unwrapExports (x) {
	return x && x.__esModule && Object.prototype.hasOwnProperty.call(x, 'default') ? x['default'] : x;
}

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

function getCjsExportFromNamespace (n) {
	return n && n['default'] || n;
}

var check = function (it) {
  return it && it.Math == Math && it;
}; // https://github.com/zloirock/core-js/issues/86#issuecomment-115759028


var global_1 = // eslint-disable-next-line no-undef
check(typeof globalThis == 'object' && globalThis) || check(typeof window == 'object' && window) || check(typeof self == 'object' && self) || check(typeof commonjsGlobal == 'object' && commonjsGlobal) || // eslint-disable-next-line no-new-func
Function('return this')();

var fails = function (exec) {
  try {
    return !!exec();
  } catch (error) {
    return true;
  }
};

var descriptors = !fails(function () {
  return Object.defineProperty({}, 1, {
    get: function () {
      return 7;
    }
  })[1] != 7;
});

var nativePropertyIsEnumerable = {}.propertyIsEnumerable;
var getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor; // Nashorn ~ JDK8 bug

var NASHORN_BUG = getOwnPropertyDescriptor && !nativePropertyIsEnumerable.call({
  1: 2
}, 1); // `Object.prototype.propertyIsEnumerable` method implementation
// https://tc39.github.io/ecma262/#sec-object.prototype.propertyisenumerable

var f = NASHORN_BUG ? function propertyIsEnumerable(V) {
  var descriptor = getOwnPropertyDescriptor(this, V);
  return !!descriptor && descriptor.enumerable;
} : nativePropertyIsEnumerable;
var objectPropertyIsEnumerable = {
  f: f
};

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

var toString = {}.toString;

var classofRaw = function (it) {
  return toString.call(it).slice(8, -1);
};

var split = ''.split; // fallback for non-array-like ES3 and non-enumerable old V8 strings

var indexedObject = fails(function () {
  // throws an error in rhino, see https://github.com/mozilla/rhino/issues/346
  // eslint-disable-next-line no-prototype-builtins
  return !Object('z').propertyIsEnumerable(0);
}) ? function (it) {
  return classofRaw(it) == 'String' ? split.call(it, '') : Object(it);
} : Object;

// `RequireObjectCoercible` abstract operation
// https://tc39.github.io/ecma262/#sec-requireobjectcoercible
var requireObjectCoercible = function (it) {
  if (it == undefined) throw TypeError("Can't call method on " + it);
  return it;
};

var toIndexedObject = function (it) {
  return indexedObject(requireObjectCoercible(it));
};

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

// https://tc39.github.io/ecma262/#sec-toprimitive
// 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 (input, PREFERRED_STRING) {
  if (!isObject(input)) return input;
  var fn, val;
  if (PREFERRED_STRING && typeof (fn = input.toString) == 'function' && !isObject(val = fn.call(input))) return val;
  if (typeof (fn = input.valueOf) == 'function' && !isObject(val = fn.call(input))) return val;
  if (!PREFERRED_STRING && typeof (fn = input.toString) == 'function' && !isObject(val = fn.call(input))) return val;
  throw TypeError("Can't convert object to primitive value");
};

var hasOwnProperty = {}.hasOwnProperty;

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

var document$1 = global_1.document; // typeof document.createElement is 'object' in old IE

var EXISTS = isObject(document$1) && isObject(document$1.createElement);

var documentCreateElement = function (it) {
  return EXISTS ? document$1.createElement(it) : {};
};

var ie8DomDefine = !descriptors && !fails(function () {
  return Object.defineProperty(documentCreateElement('div'), 'a', {
    get: function () {
      return 7;
    }
  }).a != 7;
});

var nativeGetOwnPropertyDescriptor = Object.getOwnPropertyDescriptor; // `Object.getOwnPropertyDescriptor` method
// https://tc39.github.io/ecma262/#sec-object.getownpropertydescriptor

var f$1 = descriptors ? nativeGetOwnPropertyDescriptor : function getOwnPropertyDescriptor(O, P) {
  O = toIndexedObject(O);
  P = toPrimitive(P, true);
  if (ie8DomDefine) try {
    return nativeGetOwnPropertyDescriptor(O, P);
  } catch (error) {
    /* empty */
  }
  if (has(O, P)) return createPropertyDescriptor(!objectPropertyIsEnumerable.f.call(O, P), O[P]);
};
var objectGetOwnPropertyDescriptor = {
  f: f$1
};

var replacement = /#|\.prototype\./;

var isForced = function (feature, detection) {
  var value = data[normalize(feature)];
  return value == POLYFILL ? true : value == NATIVE ? false : typeof detection == 'function' ? fails(detection) : !!detection;
};

var normalize = isForced.normalize = function (string) {
  return String(string).replace(replacement, '.').toLowerCase();
};

var data = isForced.data = {};
var NATIVE = isForced.NATIVE = 'N';
var POLYFILL = isForced.POLYFILL = 'P';
var isForced_1 = isForced;

var path = {};

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

  return it;
};

var functionBindContext = function (fn, that, length) {
  aFunction(fn);
  if (that === undefined) return fn;

  switch (length) {
    case 0:
      return function () {
        return fn.call(that);
      };

    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 anObject = function (it) {
  if (!isObject(it)) {
    throw TypeError(String(it) + ' is not an object');
  }

  return it;
};

var nativeDefineProperty = Object.defineProperty; // `Object.defineProperty` method
// https://tc39.github.io/ecma262/#sec-object.defineproperty

var f$2 = descriptors ? nativeDefineProperty : function defineProperty(O, P, Attributes) {
  anObject(O);
  P = toPrimitive(P, true);
  anObject(Attributes);
  if (ie8DomDefine) try {
    return nativeDefineProperty(O, P, Attributes);
  } catch (error) {
    /* empty */
  }
  if ('get' in Attributes || 'set' in Attributes) throw TypeError('Accessors not supported');
  if ('value' in Attributes) O[P] = Attributes.value;
  return O;
};
var objectDefineProperty = {
  f: f$2
};

var createNonEnumerableProperty = descriptors ? function (object, key, value) {
  return objectDefineProperty.f(object, key, createPropertyDescriptor(1, value));
} : function (object, key, value) {
  object[key] = value;
  return object;
};

var getOwnPropertyDescriptor$1 = objectGetOwnPropertyDescriptor.f;

var wrapConstructor = function (NativeConstructor) {
  var Wrapper = function (a, b, c) {
    if (this instanceof NativeConstructor) {
      switch (arguments.length) {
        case 0:
          return new NativeConstructor();

        case 1:
          return new NativeConstructor(a);

        case 2:
          return new NativeConstructor(a, b);
      }

      return new NativeConstructor(a, b, c);
    }

    return NativeConstructor.apply(this, arguments);
  };

  Wrapper.prototype = NativeConstructor.prototype;
  return Wrapper;
};
/*
  options.target      - name of the target object
  options.global      - target is the global object
  options.stat        - export as static methods of target
  options.proto       - export as prototype methods of target
  options.real        - real prototype method for the `pure` version
  options.forced      - export even if the native feature is available
  options.bind        - bind methods to the target, required for the `pure` version
  options.wrap        - wrap constructors to preventing global pollution, required for the `pure` version
  options.unsafe      - use the simple assignment of property instead of delete + defineProperty
  options.sham        - add a flag to not completely full polyfills
  options.enumerable  - export as enumerable property
  options.noTargetGet - prevent calling a getter on target
*/


var _export = function (options, source) {
  var TARGET = options.target;
  var GLOBAL = options.global;
  var STATIC = options.stat;
  var PROTO = options.proto;
  var nativeSource = GLOBAL ? global_1 : STATIC ? global_1[TARGET] : (global_1[TARGET] || {}).prototype;
  var target = GLOBAL ? path : path[TARGET] || (path[TARGET] = {});
  var targetPrototype = target.prototype;
  var FORCED, USE_NATIVE, VIRTUAL_PROTOTYPE;
  var key, sourceProperty, targetProperty, nativeProperty, resultProperty, descriptor;

  for (key in source) {
    FORCED = isForced_1(GLOBAL ? key : TARGET + (STATIC ? '.' : '#') + key, options.forced); // contains in native

    USE_NATIVE = !FORCED && nativeSource && has(nativeSource, key);
    targetProperty = target[key];
    if (USE_NATIVE) if (options.noTargetGet) {
      descriptor = getOwnPropertyDescriptor$1(nativeSource, key);
      nativeProperty = descriptor && descriptor.value;
    } else nativeProperty = nativeSource[key]; // export native or implementation

    sourceProperty = USE_NATIVE && nativeProperty ? nativeProperty : source[key];
    if (USE_NATIVE && typeof targetProperty === typeof sourceProperty) continue; // bind timers to global for call from export context

    if (options.bind && USE_NATIVE) resultProperty = functionBindContext(sourceProperty, global_1); // wrap global constructors for prevent changs in this version
    else if (options.wrap && USE_NATIVE) resultProperty = wrapConstructor(sourceProperty); // make static versions for prototype methods
      else if (PROTO && typeof sourceProperty == 'function') resultProperty = functionBindContext(Function.call, sourceProperty); // default case
        else resultProperty = sourceProperty; // add a flag to not completely full polyfills

    if (options.sham || sourceProperty && sourceProperty.sham || targetProperty && targetProperty.sham) {
      createNonEnumerableProperty(resultProperty, 'sham', true);
    }

    target[key] = resultProperty;

    if (PROTO) {
      VIRTUAL_PROTOTYPE = TARGET + 'Prototype';

      if (!has(path, VIRTUAL_PROTOTYPE)) {
        createNonEnumerableProperty(path, VIRTUAL_PROTOTYPE, {});
      } // export virtual prototype methods


      path[VIRTUAL_PROTOTYPE][key] = sourceProperty; // export real prototype methods

      if (options.real && targetPrototype && !targetPrototype[key]) {
        createNonEnumerableProperty(targetPrototype, key, sourceProperty);
      }
    }
  }
};

var slice = [].slice;
var factories = {};

var construct = function (C, argsLength, args) {
  if (!(argsLength in factories)) {
    for (var list = [], i = 0; i < argsLength; i++) list[i] = 'a[' + i + ']'; // eslint-disable-next-line no-new-func


    factories[argsLength] = Function('C,a', 'return new C(' + list.join(',') + ')');
  }

  return factories[argsLength](C, args);
}; // `Function.prototype.bind` method implementation
// https://tc39.github.io/ecma262/#sec-function.prototype.bind


var functionBind = Function.bind || function bind(that
/* , ...args */
) {
  var fn = aFunction(this);
  var partArgs = slice.call(arguments, 1);

  var boundFunction = function bound()
  /* args... */
  {
    var args = partArgs.concat(slice.call(arguments));
    return this instanceof boundFunction ? construct(fn, args.length, args) : fn.apply(that, args);
  };

  if (isObject(fn.prototype)) boundFunction.prototype = fn.prototype;
  return boundFunction;
};

// https://tc39.github.io/ecma262/#sec-function.prototype.bind

_export({
  target: 'Function',
  proto: true
}, {
  bind: functionBind
});

var entryVirtual = function (CONSTRUCTOR) {
  return path[CONSTRUCTOR + 'Prototype'];
};

var bind = entryVirtual('Function').bind;

var FunctionPrototype = Function.prototype;

var bind_1 = function (it) {
  var own = it.bind;
  return it === FunctionPrototype || it instanceof Function && own === FunctionPrototype.bind ? bind : own;
};

var bind$1 = bind_1;

var bind$2 = bind$1;

/**
 * Draw a circle.
 *
 * @param ctx - The context this shape will be rendered to.
 * @param x - The position of the center on the x axis.
 * @param y - The position of the center on the y axis.
 * @param r - The radius of the circle.
 */
function drawCircle(ctx, x, y, r) {
  ctx.beginPath();
  ctx.arc(x, y, r, 0, 2 * Math.PI, false);
  ctx.closePath();
}
/**
 * Draw a square.
 *
 * @param ctx - The context this shape will be rendered to.
 * @param x - The position of the center on the x axis.
 * @param y - The position of the center on the y axis.
 * @param r - Half of the width and height of the square.
 */

function drawSquare(ctx, x, y, r) {
  ctx.beginPath();
  ctx.rect(x - r, y - r, r * 2, r * 2);
  ctx.closePath();
}
/**
 * Draw an equilateral triangle standing on a side.
 *
 * @param ctx - The context this shape will be rendered to.
 * @param x - The position of the center on the x axis.
 * @param y - The position of the center on the y axis.
 * @param r - Half of the length of the sides.
 *
 * @remarks
 * http://en.wikipedia.org/wiki/Equilateral_triangle
 */

function drawTriangle(ctx, x, y, r) {
  ctx.beginPath(); // the change in radius and the offset is here to center the shape

  r *= 1.15;
  y += 0.275 * r;
  var s = r * 2;
  var s2 = s / 2;
  var ir = Math.sqrt(3) / 6 * s; // radius of inner circle

  var h = Math.sqrt(s * s - s2 * s2); // height

  ctx.moveTo(x, y - (h - ir));
  ctx.lineTo(x + s2, y + ir);
  ctx.lineTo(x - s2, y + ir);
  ctx.lineTo(x, y - (h - ir));
  ctx.closePath();
}
/**
 * Draw an equilateral triangle standing on a vertex.
 *
 * @param ctx - The context this shape will be rendered to.
 * @param x - The position of the center on the x axis.
 * @param y - The position of the center on the y axis.
 * @param r - Half of the length of the sides.
 *
 * @remarks
 * http://en.wikipedia.org/wiki/Equilateral_triangle
 */

function drawTriangleDown(ctx, x, y, r) {
  ctx.beginPath(); // the change in radius and the offset is here to center the shape

  r *= 1.15;
  y -= 0.275 * r;
  var s = r * 2;
  var s2 = s / 2;
  var ir = Math.sqrt(3) / 6 * s; // radius of inner circle

  var h = Math.sqrt(s * s - s2 * s2); // height

  ctx.moveTo(x, y + (h - ir));
  ctx.lineTo(x + s2, y - ir);
  ctx.lineTo(x - s2, y - ir);
  ctx.lineTo(x, y + (h - ir));
  ctx.closePath();
}
/**
 * Draw a star.
 *
 * @param ctx - The context this shape will be rendered to.
 * @param x - The position of the center on the x axis.
 * @param y - The position of the center on the y axis.
 * @param r - The outer radius of the star.
 */

function drawStar(ctx, x, y, r) {
  // http://www.html5canvastutorials.com/labs/html5-canvas-star-spinner/
  ctx.beginPath(); // the change in radius and the offset is here to center the shape

  r *= 0.82;
  y += 0.1 * r;

  for (var n = 0; n < 10; n++) {
    var radius = n % 2 === 0 ? r * 1.3 : r * 0.5;
    ctx.lineTo(x + radius * Math.sin(n * 2 * Math.PI / 10), y - radius * Math.cos(n * 2 * Math.PI / 10));
  }

  ctx.closePath();
}
/**
 * Draw a diamond.
 *
 * @param ctx - The context this shape will be rendered to.
 * @param x - The position of the center on the x axis.
 * @param y - The position of the center on the y axis.
 * @param r - Half of the width and height of the diamond.
 *
 * @remarks
 * http://www.html5canvastutorials.com/labs/html5-canvas-star-spinner/
 */

function drawDiamond(ctx, x, y, r) {
  ctx.beginPath();
  ctx.lineTo(x, y + r);
  ctx.lineTo(x + r, y);
  ctx.lineTo(x, y - r);
  ctx.lineTo(x - r, y);
  ctx.closePath();
}
/**
 * Draw a rectangle with rounded corners.
 *
 * @param ctx - The context this shape will be rendered to.
 * @param x - The position of the center on the x axis.
 * @param y - The position of the center on the y axis.
 * @param w - The width of the rectangle.
 * @param h - The height of the rectangle.
 * @param r - The radius of the corners.
 *
 * @remarks
 * http://stackoverflow.com/questions/1255512/how-to-draw-a-rounded-rectangle-on-html-canvas
 */

function drawRoundRect(ctx, x, y, w, h, r) {
  var r2d = Math.PI / 180;

  if (w - 2 * r < 0) {
    r = w / 2;
  } //ensure that the radius isn't too large for x


  if (h - 2 * r < 0) {
    r = h / 2;
  } //ensure that the radius isn't too large for y


  ctx.beginPath();
  ctx.moveTo(x + r, y);
  ctx.lineTo(x + w - r, y);
  ctx.arc(x + w - r, y + r, r, r2d * 270, r2d * 360, false);
  ctx.lineTo(x + w, y + h - r);
  ctx.arc(x + w - r, y + h - r, r, 0, r2d * 90, false);
  ctx.lineTo(x + r, y + h);
  ctx.arc(x + r, y + h - r, r, r2d * 90, r2d * 180, false);
  ctx.lineTo(x, y + r);
  ctx.arc(x + r, y + r, r, r2d * 180, r2d * 270, false);
  ctx.closePath();
}
/**
 * Draw an ellipse.
 *
 * @param ctx - The context this shape will be rendered to.
 * @param x - The position of the center on the x axis.
 * @param y - The position of the center on the y axis.
 * @param w - The width of the ellipse.
 * @param h - The height of the ellipse.
 *
 * @remarks
 * http://stackoverflow.com/questions/2172798/how-to-draw-an-oval-in-html5-canvas
 *
 * Postfix '_vis' added to discern it from standard method ellipse().
 */

function drawEllipse(ctx, x, y, w, h) {
  var kappa = 0.5522848,
      ox = w / 2 * kappa,
      // control point offset horizontal
  oy = h / 2 * kappa,
      // control point offset vertical
  xe = x + w,
      // x-end
  ye = y + h,
      // y-end
  xm = x + w / 2,
      // x-middle
  ym = y + h / 2; // y-middle

  ctx.beginPath();
  ctx.moveTo(x, ym);
  ctx.bezierCurveTo(x, ym - oy, xm - ox, y, xm, y);
  ctx.bezierCurveTo(xm + ox, y, xe, ym - oy, xe, ym);
  ctx.bezierCurveTo(xe, ym + oy, xm + ox, ye, xm, ye);
  ctx.bezierCurveTo(xm - ox, ye, x, ym + oy, x, ym);
  ctx.closePath();
}
/**
 * Draw an isometric cylinder.
 *
 * @param ctx - The context this shape will be rendered to.
 * @param x - The position of the center on the x axis.
 * @param y - The position of the center on the y axis.
 * @param w - The width of the database.
 * @param h - The height of the database.
 *
 * @remarks
 * http://stackoverflow.com/questions/2172798/how-to-draw-an-oval-in-html5-canvas
 */

function drawDatabase(ctx, x, y, w, h) {
  var f = 1 / 3;
  var wEllipse = w;
  var hEllipse = h * f;
  var kappa = 0.5522848,
      ox = wEllipse / 2 * kappa,
      // control point offset horizontal
  oy = hEllipse / 2 * kappa,
      // control point offset vertical
  xe = x + wEllipse,
      // x-end
  ye = y + hEllipse,
      // y-end
  xm = x + wEllipse / 2,
      // x-middle
  ym = y + hEllipse / 2,
      // y-middle
  ymb = y + (h - hEllipse / 2),
      // y-midlle, bottom ellipse
  yeb = y + h; // y-end, bottom ellipse

  ctx.beginPath();
  ctx.moveTo(xe, ym);
  ctx.bezierCurveTo(xe, ym + oy, xm + ox, ye, xm, ye);
  ctx.bezierCurveTo(xm - ox, ye, x, ym + oy, x, ym);
  ctx.bezierCurveTo(x, ym - oy, xm - ox, y, xm, y);
  ctx.bezierCurveTo(xm + ox, y, xe, ym - oy, xe, ym);
  ctx.lineTo(xe, ymb);
  ctx.bezierCurveTo(xe, ymb + oy, xm + ox, yeb, xm, yeb);
  ctx.bezierCurveTo(xm - ox, yeb, x, ymb + oy, x, ymb);
  ctx.lineTo(x, ym);
}
/**
 * Draw a dashed line.
 *
 * @param ctx - The context this shape will be rendered to.
 * @param x - The start position on the x axis.
 * @param y - The start position on the y axis.
 * @param x2 - The end position on the x axis.
 * @param y2 - The end position on the y axis.
 * @param pattern - List of lengths starting with line and then alternating between space and line.
 *
 * @author David Jordan
 * @date 2012-08-08
 * @remarks
 * http://stackoverflow.com/questions/4576724/dotted-stroke-in-canvas
 */

function drawDashedLine(ctx, x, y, x2, y2, pattern) {
  ctx.beginPath();
  ctx.moveTo(x, y);
  var patternLength = pattern.length;
  var dx = x2 - x;
  var dy = y2 - y;
  var slope = dy / dx;
  var distRemaining = Math.sqrt(dx * dx + dy * dy);
  var patternIndex = 0;
  var draw = true;
  var xStep = 0;
  var dashLength = +pattern[0];

  while (distRemaining >= 0.1) {
    dashLength = +pattern[patternIndex++ % patternLength];

    if (dashLength > distRemaining) {
      dashLength = distRemaining;
    }

    xStep = Math.sqrt(dashLength * dashLength / (1 + slope * slope));
    xStep = dx < 0 ? -xStep : xStep;
    x += xStep;
    y += slope * xStep;

    if (draw === true) {
      ctx.lineTo(x, y);
    } else {
      ctx.moveTo(x, y);
    }

    distRemaining -= dashLength;
    draw = !draw;
  }
}
/**
 * Draw a hexagon.
 *
 * @param ctx - The context this shape will be rendered to.
 * @param x - The position of the center on the x axis.
 * @param y - The position of the center on the y axis.
 * @param r - The radius of the hexagon.
 */

function drawHexagon(ctx, x, y, r) {
  ctx.beginPath();
  var sides = 6;
  var a = Math.PI * 2 / sides;
  ctx.moveTo(x + r, y);

  for (var i = 1; i < sides; i++) {
    ctx.lineTo(x + r * Math.cos(a * i), y + r * Math.sin(a * i));
  }

  ctx.closePath();
}
var shapeMap = {
  circle: drawCircle,
  dashedLine: drawDashedLine,
  database: drawDatabase,
  diamond: drawDiamond,
  ellipse: drawEllipse,
  ellipse_vis: drawEllipse,
  hexagon: drawHexagon,
  roundRect: drawRoundRect,
  square: drawSquare,
  star: drawStar,
  triangle: drawTriangle,
  triangleDown: drawTriangleDown
};
/**
 * Returns either custom or native drawing function base on supplied name.
 *
 * @param name - The name of the function. Either the name of a
 * CanvasRenderingContext2D property or an export from shapes.ts without the
 * draw prefix.
 *
 * @returns The function that can be used for rendering. In case of native
 * CanvasRenderingContext2D function the API is normalized to
 * `(ctx: CanvasRenderingContext2D, ...originalArgs) => void`.
 */

function getShape(name) {
  if (Object.prototype.hasOwnProperty.call(shapeMap, name)) {
    return shapeMap[name];
  } else {
    return function (ctx) {
      for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
        args[_key - 1] = arguments[_key];
      }

      CanvasRenderingContext2D.prototype[name].call(ctx, args);
    };
  }
}

var componentEmitter = createCommonjsModule(function (module) {
  /**
   * Expose `Emitter`.
   */
  {
    module.exports = Emitter;
  }
  /**
   * Initialize a new `Emitter`.
   *
   * @api public
   */


  function Emitter(obj) {
    if (obj) return mixin(obj);
  }
  /**
   * Mixin the emitter properties.
   *
   * @param {Object} obj
   * @return {Object}
   * @api private
   */

  function mixin(obj) {
    for (var key in Emitter.prototype) {
      obj[key] = Emitter.prototype[key];
    }

    return obj;
  }
  /**
   * Listen on the given `event` with `fn`.
   *
   * @param {String} event
   * @param {Function} fn
   * @return {Emitter}
   * @api public
   */


  Emitter.prototype.on = Emitter.prototype.addEventListener = function (event, fn) {
    this._callbacks = this._callbacks || {};
    (this._callbacks['$' + event] = this._callbacks['$' + event] || []).push(fn);
    return this;
  };
  /**
   * Adds an `event` listener that will be invoked a single
   * time then automatically removed.
   *
   * @param {String} event
   * @param {Function} fn
   * @return {Emitter}
   * @api public
   */


  Emitter.prototype.once = function (event, fn) {
    function on() {
      this.off(event, on);
      fn.apply(this, arguments);
    }

    on.fn = fn;
    this.on(event, on);
    return this;
  };
  /**
   * Remove the given callback for `event` or all
   * registered callbacks.
   *
   * @param {String} event
   * @param {Function} fn
   * @return {Emitter}
   * @api public
   */


  Emitter.prototype.off = Emitter.prototype.removeListener = Emitter.prototype.removeAllListeners = Emitter.prototype.removeEventListener = function (event, fn) {
    this._callbacks = this._callbacks || {}; // all

    if (0 == arguments.length) {
      this._callbacks = {};
      return this;
    } // specific event


    var callbacks = this._callbacks['$' + event];
    if (!callbacks) return this; // remove all handlers

    if (1 == arguments.length) {
      delete this._callbacks['$' + event];
      return this;
    } // remove specific handler


    var cb;

    for (var i = 0; i < callbacks.length; i++) {
      cb = callbacks[i];

      if (cb === fn || cb.fn === fn) {
        callbacks.splice(i, 1);
        break;
      }
    } // Remove event specific arrays for event types that no
    // one is subscribed for to avoid memory leak.


    if (callbacks.length === 0) {
      delete this._callbacks['$' + event];
    }

    return this;
  };
  /**
   * Emit `event` with the given args.
   *
   * @param {String} event
   * @param {Mixed} ...
   * @return {Emitter}
   */


  Emitter.prototype.emit = function (event) {
    this._callbacks = this._callbacks || {};
    var args = new Array(arguments.length - 1),
        callbacks = this._callbacks['$' + event];

    for (var i = 1; i < arguments.length; i++) {
      args[i - 1] = arguments[i];
    }

    if (callbacks) {
      callbacks = callbacks.slice(0);

      for (var i = 0, len = callbacks.length; i < len; ++i) {
        callbacks[i].apply(this, args);
      }
    }

    return this;
  };
  /**
   * Return array of callbacks for `event`.
   *
   * @param {String} event
   * @return {Array}
   * @api public
   */


  Emitter.prototype.listeners = function (event) {
    this._callbacks = this._callbacks || {};
    return this._callbacks['$' + event] || [];
  };
  /**
   * Check if this emitter has `event` handlers.
   *
   * @param {String} event
   * @return {Boolean}
   * @api public
   */


  Emitter.prototype.hasListeners = function (event) {
    return !!this.listeners(event).length;
  };
});

var commonjsGlobal$1 = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};

function createCommonjsModule$1(fn, module) {
  return module = {
    exports: {}
  }, fn(module, module.exports), module.exports;
}

var check$1 = function (it) {
  return it && it.Math == Math && it;
}; // https://github.com/zloirock/core-js/issues/86#issuecomment-115759028


var global_1$1 = // eslint-disable-next-line no-undef
check$1(typeof globalThis == 'object' && globalThis) || check$1(typeof window == 'object' && window) || check$1(typeof self == 'object' && self) || check$1(typeof commonjsGlobal$1 == 'object' && commonjsGlobal$1) || // eslint-disable-next-line no-new-func
Function('return this')();

var fails$1 = function (exec) {
  try {
    return !!exec();
  } catch (error) {
    return true;
  }
}; // Thank's IE8 for his funny defineProperty


var descriptors$1 = !fails$1(function () {
  return Object.defineProperty({}, 'a', {
    get: function () {
      return 7;
    }
  }).a != 7;
});
var nativePropertyIsEnumerable$1 = {}.propertyIsEnumerable;
var getOwnPropertyDescriptor$2 = Object.getOwnPropertyDescriptor; // Nashorn ~ JDK8 bug

var NASHORN_BUG$1 = getOwnPropertyDescriptor$2 && !nativePropertyIsEnumerable$1.call({
  1: 2
}, 1); // `Object.prototype.propertyIsEnumerable` method implementation
// https://tc39.github.io/ecma262/#sec-object.prototype.propertyisenumerable

var f$3 = NASHORN_BUG$1 ? function propertyIsEnumerable(V) {
  var descriptor = getOwnPropertyDescriptor$2(this, V);
  return !!descriptor && descriptor.enumerable;
} : nativePropertyIsEnumerable$1;
var objectPropertyIsEnumerable$1 = {
  f: f$3
};

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

var toString$1 = {}.toString;

var classofRaw$1 = function (it) {
  return toString$1.call(it).slice(8, -1);
};

var split$1 = ''.split; // fallback for non-array-like ES3 and non-enumerable old V8 strings

var indexedObject$1 = fails$1(function () {
  // throws an error in rhino, see https://github.com/mozilla/rhino/issues/346
  // eslint-disable-next-line no-prototype-builtins
  return !Object('z').propertyIsEnumerable(0);
}) ? function (it) {
  return classofRaw$1(it) == 'String' ? split$1.call(it, '') : Object(it);
} : Object; // `RequireObjectCoercible` abstract operation
// https://tc39.github.io/ecma262/#sec-requireobjectcoercible

var requireObjectCoercible$1 = function (it) {
  if (it == undefined) throw TypeError("Can't call method on " + it);
  return it;
}; // toObject with fallback for non-array-like ES3 strings


var toIndexedObject$1 = function (it) {
  return indexedObject$1(requireObjectCoercible$1(it));
};

var isObject$1 = function (it) {
  return typeof it === 'object' ? it !== null : typeof it === 'function';
}; // `ToPrimitive` abstract operation
// https://tc39.github.io/ecma262/#sec-toprimitive
// instead of the ES6 spec version, we didn't implement @@toPrimitive case
// and the second argument - flag - preferred type is a string


var toPrimitive$1 = function (input, PREFERRED_STRING) {
  if (!isObject$1(input)) return input;
  var fn, val;
  if (PREFERRED_STRING && typeof (fn = input.toString) == 'function' && !isObject$1(val = fn.call(input))) return val;
  if (typeof (fn = input.valueOf) == 'function' && !isObject$1(val = fn.call(input))) return val;
  if (!PREFERRED_STRING && typeof (fn = input.toString) == 'function' && !isObject$1(val = fn.call(input))) return val;
  throw TypeError("Can't convert object to primitive value");
};

var hasOwnProperty$1 = {}.hasOwnProperty;

var has$1 = function (it, key) {
  return hasOwnProperty$1.call(it, key);
};

var document$1$1 = global_1$1.document; // typeof document.createElement is 'object' in old IE

var EXISTS$1 = isObject$1(document$1$1) && isObject$1(document$1$1.createElement);

var documentCreateElement$1 = function (it) {
  return EXISTS$1 ? document$1$1.createElement(it) : {};
}; // Thank's IE8 for his funny defineProperty


var ie8DomDefine$1 = !descriptors$1 && !fails$1(function () {
  return Object.defineProperty(documentCreateElement$1('div'), 'a', {
    get: function () {
      return 7;
    }
  }).a != 7;
});
var nativeGetOwnPropertyDescriptor$1 = Object.getOwnPropertyDescriptor; // `Object.getOwnPropertyDescriptor` method
// https://tc39.github.io/ecma262/#sec-object.getownpropertydescriptor

var f$1$1 = descriptors$1 ? nativeGetOwnPropertyDescriptor$1 : function getOwnPropertyDescriptor(O, P) {
  O = toIndexedObject$1(O);
  P = toPrimitive$1(P, true);
  if (ie8DomDefine$1) try {
    return nativeGetOwnPropertyDescriptor$1(O, P);
  } catch (error) {
    /* empty */
  }
  if (has$1(O, P)) return createPropertyDescriptor$1(!objectPropertyIsEnumerable$1.f.call(O, P), O[P]);
};
var objectGetOwnPropertyDescriptor$1 = {
  f: f$1$1
};
var replacement$1 = /#|\.prototype\./;

var isForced$1 = function (feature, detection) {
  var value = data$1[normalize$1(feature)];
  return value == POLYFILL$1 ? true : value == NATIVE$1 ? false : typeof detection == 'function' ? fails$1(detection) : !!detection;
};

var normalize$1 = isForced$1.normalize = function (string) {
  return String(string).replace(replacement$1, '.').toLowerCase();
};

var data$1 = isForced$1.data = {};
var NATIVE$1 = isForced$1.NATIVE = 'N';
var POLYFILL$1 = isForced$1.POLYFILL = 'P';
var isForced_1$1 = isForced$1;
var path$1 = {};

var aFunction$1 = function (it) {
  if (typeof it != 'function') {
    throw TypeError(String(it) + ' is not a function');
  }

  return it;
}; // optional / simple context binding


var bindContext = function (fn, that, length) {
  aFunction$1(fn);
  if (that === undefined) return fn;

  switch (length) {
    case 0:
      return function () {
        return fn.call(that);
      };

    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 anObject$1 = function (it) {
  if (!isObject$1(it)) {
    throw TypeError(String(it) + ' is not an object');
  }

  return it;
};

var nativeDefineProperty$1 = Object.defineProperty; // `Object.defineProperty` method
// https://tc39.github.io/ecma262/#sec-object.defineproperty

var f$2$1 = descriptors$1 ? nativeDefineProperty$1 : function defineProperty(O, P, Attributes) {
  anObject$1(O);
  P = toPrimitive$1(P, true);
  anObject$1(Attributes);
  if (ie8DomDefine$1) try {
    return nativeDefineProperty$1(O, P, Attributes);
  } catch (error) {
    /* empty */
  }
  if ('get' in Attributes || 'set' in Attributes) throw TypeError('Accessors not supported');
  if ('value' in Attributes) O[P] = Attributes.value;
  return O;
};
var objectDefineProperty$1 = {
  f: f$2$1
};
var createNonEnumerableProperty$1 = descriptors$1 ? function (object, key, value) {
  return objectDefineProperty$1.f(object, key, createPropertyDescriptor$1(1, value));
} : function (object, key, value) {
  object[key] = value;
  return object;
};
var getOwnPropertyDescriptor$1$1 = objectGetOwnPropertyDescriptor$1.f;

var wrapConstructor$1 = function (NativeConstructor) {
  var Wrapper = function (a, b, c) {
    if (this instanceof NativeConstructor) {
      switch (arguments.length) {
        case 0:
          return new NativeConstructor();

        case 1:
          return new NativeConstructor(a);

        case 2:
          return new NativeConstructor(a, b);
      }

      return new NativeConstructor(a, b, c);
    }

    return NativeConstructor.apply(this, arguments);
  };

  Wrapper.prototype = NativeConstructor.prototype;
  return Wrapper;
};
/*
  options.target      - name of the target object
  options.global      - target is the global object
  options.stat        - export as static methods of target
  options.proto       - export as prototype methods of target
  options.real        - real prototype method for the `pure` version
  options.forced      - export even if the native feature is available
  options.bind        - bind methods to the target, required for the `pure` version
  options.wrap        - wrap constructors to preventing global pollution, required for the `pure` version
  options.unsafe      - use the simple assignment of property instead of delete + defineProperty
  options.sham        - add a flag to not completely full polyfills
  options.enumerable  - export as enumerable property
  options.noTargetGet - prevent calling a getter on target
*/


var _export$1 = function (options, source) {
  var TARGET = options.target;
  var GLOBAL = options.global;
  var STATIC = options.stat;
  var PROTO = options.proto;
  var nativeSource = GLOBAL ? global_1$1 : STATIC ? global_1$1[TARGET] : (global_1$1[TARGET] || {}).prototype;
  var target = GLOBAL ? path$1 : path$1[TARGET] || (path$1[TARGET] = {});
  var targetPrototype = target.prototype;
  var FORCED, USE_NATIVE, VIRTUAL_PROTOTYPE;
  var key, sourceProperty, targetProperty, nativeProperty, resultProperty, descriptor;

  for (key in source) {
    FORCED = isForced_1$1(GLOBAL ? key : TARGET + (STATIC ? '.' : '#') + key, options.forced); // contains in native

    USE_NATIVE = !FORCED && nativeSource && has$1(nativeSource, key);
    targetProperty = target[key];
    if (USE_NATIVE) if (options.noTargetGet) {
      descriptor = getOwnPropertyDescriptor$1$1(nativeSource, key);
      nativeProperty = descriptor && descriptor.value;
    } else nativeProperty = nativeSource[key]; // export native or implementation

    sourceProperty = USE_NATIVE && nativeProperty ? nativeProperty : source[key];
    if (USE_NATIVE && typeof targetProperty === typeof sourceProperty) continue; // bind timers to global for call from export context

    if (options.bind && USE_NATIVE) resultProperty = bindContext(sourceProperty, global_1$1); // wrap global constructors for prevent changs in this version
    else if (options.wrap && USE_NATIVE) resultProperty = wrapConstructor$1(sourceProperty); // make static versions for prototype methods
      else if (PROTO && typeof sourceProperty == 'function') resultProperty = bindContext(Function.call, sourceProperty); // default case
        else resultProperty = sourceProperty; // add a flag to not completely full polyfills

    if (options.sham || sourceProperty && sourceProperty.sham || targetProperty && targetProperty.sham) {
      createNonEnumerableProperty$1(resultProperty, 'sham', true);
    }

    target[key] = resultProperty;

    if (PROTO) {
      VIRTUAL_PROTOTYPE = TARGET + 'Prototype';

      if (!has$1(path$1, VIRTUAL_PROTOTYPE)) {
        createNonEnumerableProperty$1(path$1, VIRTUAL_PROTOTYPE, {});
      } // export virtual prototype methods


      path$1[VIRTUAL_PROTOTYPE][key] = sourceProperty; // export real prototype methods

      if (options.real && targetPrototype && !targetPrototype[key]) {
        createNonEnumerableProperty$1(targetPrototype, key, sourceProperty);
      }
    }
  }
}; // `Object.defineProperty` method
// https://tc39.github.io/ecma262/#sec-object.defineproperty


_export$1({
  target: 'Object',
  stat: true,
  forced: !descriptors$1,
  sham: !descriptors$1
}, {
  defineProperty: objectDefineProperty$1.f
});

var defineProperty_1 = createCommonjsModule$1(function (module) {
  var Object = path$1.Object;

  var defineProperty = module.exports = function defineProperty(it, key, desc) {
    return Object.defineProperty(it, key, desc);
  };

  if (Object.defineProperty.sham) defineProperty.sham = true;
});
var defineProperty = defineProperty_1;
var defineProperty$1 = defineProperty;
var ceil = Math.ceil;
var floor = Math.floor; // `ToInteger` abstract operation
// https://tc39.github.io/ecma262/#sec-tointeger

var toInteger = function (argument) {
  return isNaN(argument = +argument) ? 0 : (argument > 0 ? floor : ceil)(argument);
};

var min = Math.min; // `ToLength` abstract operation
// https://tc39.github.io/ecma262/#sec-tolength

var toLength = function (argument) {
  return argument > 0 ? min(toInteger(argument), 0x1FFFFFFFFFFFFF) : 0; // 2 ** 53 - 1 == 9007199254740991
};

var max = Math.max;
var min$1 = Math.min; // Helper for a popular repeating case of the spec:
// Let integer be ? ToInteger(index).
// If integer < 0, let result be max((length + integer), 0); else let result be min(integer, length).

var toAbsoluteIndex = function (index, length) {
  var integer = toInteger(index);
  return integer < 0 ? max(integer + length, 0) : min$1(integer, length);
}; // `Array.prototype.{ indexOf, includes }` methods implementation


var createMethod = function (IS_INCLUDES) {
  return function ($this, el, fromIndex) {
    var O = toIndexedObject$1($this);
    var length = toLength(O.length);
    var index = toAbsoluteIndex(fromIndex, length);
    var value; // Array#includes uses SameValueZero equality algorithm
    // eslint-disable-next-line no-self-compare

    if (IS_INCLUDES && el != el) while (length > index) {
      value = O[index++]; // eslint-disable-next-line no-self-compare

      if (value != value) return true; // Array#indexOf ignores holes, Array#includes - not
    } else for (; length > index; index++) {
      if ((IS_INCLUDES || index in O) && O[index] === el) return IS_INCLUDES || index || 0;
    }
    return !IS_INCLUDES && -1;
  };
};

var arrayIncludes = {
  // `Array.prototype.includes` method
  // https://tc39.github.io/ecma262/#sec-array.prototype.includes
  includes: createMethod(true),
  // `Array.prototype.indexOf` method
  // https://tc39.github.io/ecma262/#sec-array.prototype.indexof
  indexOf: createMethod(false)
};
var hiddenKeys = {};
var indexOf = arrayIncludes.indexOf;

var objectKeysInternal = function (object, names) {
  var O = toIndexedObject$1(object);
  var i = 0;
  var result = [];
  var key;

  for (key in O) !has$1(hiddenKeys, key) && has$1(O, key) && result.push(key); // Don't enum bug & hidden keys


  while (names.length > i) if (has$1(O, key = names[i++])) {
    ~indexOf(result, key) || result.push(key);
  }

  return result;
}; // IE8- don't enum bug keys


var enumBugKeys = ['constructor', 'hasOwnProperty', 'isPrototypeOf', 'propertyIsEnumerable', 'toLocaleString', 'toString', 'valueOf']; // `Object.keys` method
// https://tc39.github.io/ecma262/#sec-object.keys

var objectKeys = Object.keys || function keys(O) {
  return objectKeysInternal(O, enumBugKeys);
}; // `Object.defineProperties` method
// https://tc39.github.io/ecma262/#sec-object.defineproperties


var objectDefineProperties = descriptors$1 ? Object.defineProperties : function defineProperties(O, Properties) {
  anObject$1(O);
  var keys = objectKeys(Properties);
  var length = keys.length;
  var index = 0;
  var key;

  while (length > index) objectDefineProperty$1.f(O, key = keys[index++], Properties[key]);

  return O;
}; // `Object.defineProperties` method
// https://tc39.github.io/ecma262/#sec-object.defineproperties

_export$1({
  target: 'Object',
  stat: true,
  forced: !descriptors$1,
  sham: !descriptors$1
}, {
  defineProperties: objectDefineProperties
});

var defineProperties_1 = createCommonjsModule$1(function (module) {
  var Object = path$1.Object;

  var defineProperties = module.exports = function defineProperties(T, D) {
    return Object.defineProperties(T, D);
  };

  if (Object.defineProperties.sham) defineProperties.sham = true;
});
var defineProperties = defineProperties_1;
var defineProperties$1 = defineProperties;

var aFunction$1$1 = function (variable) {
  return typeof variable == 'function' ? variable : undefined;
};

var getBuiltIn = function (namespace, method) {
  return arguments.length < 2 ? aFunction$1$1(path$1[namespace]) || aFunction$1$1(global_1$1[namespace]) : path$1[namespace] && path$1[namespace][method] || global_1$1[namespace] && global_1$1[namespace][method];
};

var hiddenKeys$1 = enumBugKeys.concat('length', 'prototype'); // `Object.getOwnPropertyNames` method
// https://tc39.github.io/ecma262/#sec-object.getownpropertynames

var f$3$1 = Object.getOwnPropertyNames || function getOwnPropertyNames(O) {
  return objectKeysInternal(O, hiddenKeys$1);
};

var objectGetOwnPropertyNames = {
  f: f$3$1
};
var f$4 = Object.getOwnPropertySymbols;
var objectGetOwnPropertySymbols = {
  f: f$4
}; // all object keys, includes non-enumerable and symbols

var ownKeys = getBuiltIn('Reflect', 'ownKeys') || function ownKeys(it) {
  var keys = objectGetOwnPropertyNames.f(anObject$1(it));
  var getOwnPropertySymbols = objectGetOwnPropertySymbols.f;
  return getOwnPropertySymbols ? keys.concat(getOwnPropertySymbols(it)) : keys;
};

var createProperty = function (object, key, value) {
  var propertyKey = toPrimitive$1(key);
  if (propertyKey in object) objectDefineProperty$1.f(object, propertyKey, createPropertyDescriptor$1(0, value));else object[propertyKey] = value;
}; // `Object.getOwnPropertyDescriptors` method
// https://tc39.github.io/ecma262/#sec-object.getownpropertydescriptors


_export$1({
  target: 'Object',
  stat: true,
  sham: !descriptors$1
}, {
  getOwnPropertyDescriptors: function getOwnPropertyDescriptors(object) {
    var O = toIndexedObject$1(object);
    var getOwnPropertyDescriptor = objectGetOwnPropertyDescriptor$1.f;
    var keys = ownKeys(O);
    var result = {};
    var index = 0;
    var key, descriptor;

    while (keys.length > index) {
      descriptor = getOwnPropertyDescriptor(O, key = keys[index++]);
      if (descriptor !== undefined) createProperty(result, key, descriptor);
    }

    return result;
  }
});

var getOwnPropertyDescriptors = path$1.Object.getOwnPropertyDescriptors;
var getOwnPropertyDescriptors$1 = getOwnPropertyDescriptors;
var getOwnPropertyDescriptors$2 = getOwnPropertyDescriptors$1;
var nativeGetOwnPropertyDescriptor$1$1 = objectGetOwnPropertyDescriptor$1.f;
var FAILS_ON_PRIMITIVES = fails$1(function () {
  nativeGetOwnPropertyDescriptor$1$1(1);
});
var FORCED = !descriptors$1 || FAILS_ON_PRIMITIVES; // `Object.getOwnPropertyDescriptor` method
// https://tc39.github.io/ecma262/#sec-object.getownpropertydescriptor

_export$1({
  target: 'Object',
  stat: true,
  forced: FORCED,
  sham: !descriptors$1
}, {
  getOwnPropertyDescriptor: function getOwnPropertyDescriptor(it, key) {
    return nativeGetOwnPropertyDescriptor$1$1(toIndexedObject$1(it), key);
  }
});

var getOwnPropertyDescriptor_1 = createCommonjsModule$1(function (module) {
  var Object = path$1.Object;

  var getOwnPropertyDescriptor = module.exports = function getOwnPropertyDescriptor(it, key) {
    return Object.getOwnPropertyDescriptor(it, key);
  };

  if (Object.getOwnPropertyDescriptor.sham) getOwnPropertyDescriptor.sham = true;
});
var getOwnPropertyDescriptor$2$1 = getOwnPropertyDescriptor_1;
var getOwnPropertyDescriptor$3 = getOwnPropertyDescriptor$2$1;
var nativeSymbol = !!Object.getOwnPropertySymbols && !fails$1(function () {
  // Chrome 38 Symbol has incorrect toString conversion
  // eslint-disable-next-line no-undef
  return !String(Symbol());
});
var useSymbolAsUid = nativeSymbol // eslint-disable-next-line no-undef
&& !Symbol.sham // eslint-disable-next-line no-undef
&& typeof Symbol() == 'symbol'; // `IsArray` abstract operation
// https://tc39.github.io/ecma262/#sec-isarray

var isArray = Array.isArray || function isArray(arg) {
  return classofRaw$1(arg) == 'Array';
}; // `ToObject` abstract operation
// https://tc39.github.io/ecma262/#sec-toobject


var toObject = function (argument) {
  return Object(requireObjectCoercible$1(argument));
};

var html = getBuiltIn('document', 'documentElement');

var setGlobal = function (key, value) {
  try {
    createNonEnumerableProperty$1(global_1$1, key, value);
  } catch (error) {
    global_1$1[key] = value;
  }

  return value;
};

var SHARED = '__core-js_shared__';
var store = global_1$1[SHARED] || setGlobal(SHARED, {});
var sharedStore = store;
var shared = createCommonjsModule$1(function (module) {
  (module.exports = function (key, value) {
    return sharedStore[key] || (sharedStore[key] = value !== undefined ? value : {});
  })('versions', []).push({
    version: '3.6.0',
    mode: 'pure',
    copyright: '© 2019 Denis Pushkarev (zloirock.ru)'
  });
});
var id = 0;
var postfix = Math.random();

var uid = function (key) {
  return 'Symbol(' + String(key === undefined ? '' : key) + ')_' + (++id + postfix).toString(36);
};

var keys = shared('keys');

var sharedKey = function (key) {
  return keys[key] || (keys[key] = uid(key));
};

var GT = '>';
var LT = '<';
var PROTOTYPE = 'prototype';
var SCRIPT = 'script';
var IE_PROTO = sharedKey('IE_PROTO');

var EmptyConstructor = function () {
  /* empty */
};

var scriptTag = function (content) {
  return LT + SCRIPT + GT + content + LT + '/' + SCRIPT + GT;
}; // Create object with fake `null` prototype: use ActiveX Object with cleared prototype


var NullProtoObjectViaActiveX = function (activeXDocument) {
  activeXDocument.write(scriptTag(''));
  activeXDocument.close();
  var temp = activeXDocument.parentWindow.Object;
  activeXDocument = null; // avoid memory leak

  return temp;
}; // Create object with fake `null` prototype: use iframe Object with cleared prototype


var NullProtoObjectViaIFrame = function () {
  // Thrash, waste and sodomy: IE GC bug
  var iframe = documentCreateElement$1('iframe');
  var JS = 'java' + SCRIPT + ':';
  var iframeDocument;
  iframe.style.display = 'none';
  html.appendChild(iframe); // https://github.com/zloirock/core-js/issues/475

  iframe.src = String(JS);
  iframeDocument = iframe.contentWindow.document;
  iframeDocument.open();
  iframeDocument.write(scriptTag('document.F=Object'));
  iframeDocument.close();
  return iframeDocument.F;
}; // Check for document.domain and active x support
// No need to use active x approach when document.domain is not set
// see https://github.com/es-shims/es5-shim/issues/150
// variation of https://github.com/kitcambridge/es5-shim/commit/4f738ac066346
// avoid IE GC bug


var activeXDocument;

var NullProtoObject = function () {
  try {
    /* global ActiveXObject */
    activeXDocument = document.domain && new ActiveXObject('htmlfile');
  } catch (error) {
    /* ignore */
  }

  NullProtoObject = activeXDocument ? NullProtoObjectViaActiveX(activeXDocument) : NullProtoObjectViaIFrame();
  var length = enumBugKeys.length;

  while (length--) delete NullProtoObject[PROTOTYPE][enumBugKeys[length]];

  return NullProtoObject();
};

hiddenKeys[IE_PROTO] = true; // `Object.create` method
// https://tc39.github.io/ecma262/#sec-object.create

var objectCreate = Object.create || function create(O, Properties) {
  var result;

  if (O !== null) {
    EmptyConstructor[PROTOTYPE] = anObject$1(O);
    r