vis-network
Version:
A dynamic, browser-based visualization library.
1,600 lines (1,358 loc) • 1.03 MB
JavaScript
/**
* vis-network - network
* http://visjs.org/
*
* A dynamic, browser-based visualization library.
*
* @version 6.3.1
* @date 2019-10-29T23:06:18Z
*
* @copyright (c) 2011-2017 Almende B.V, http://almende.com
* @copyright (c) 2018-2019 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.
*/
import util__default, { extend as extend$1, topMost, forEach, deepExtend, overrideOpacity, copyAndExtendArray, copyArray, selectiveNotDeepExtend, parseColor, mergeOptions, fillIfDefined, bridgeObject, selectiveDeepExtend, isString, HSVToHex, randomUUID, addEventListener, removeEventListener, easingFunctions, getAbsoluteLeft, getAbsoluteTop, recursiveDOMDelete, isValidRGB, isValidRGBA, isValidHex, hexToRGB, RGBToHSV, HSVToRGB } from 'vis-util';
import keycharm from 'keycharm';
import { DataSet, DataView } from 'vis-data';
/*
* Canvas shapes used by Network
*/
if (typeof CanvasRenderingContext2D !== "undefined") {
CanvasRenderingContext2D.prototype.circle = function (x, y, r) {
this.beginPath();
this.arc(x, y, r, 0, 2 * Math.PI, false);
this.closePath();
};
CanvasRenderingContext2D.prototype.square = function (x, y, r) {
this.beginPath();
this.rect(x - r, y - r, r * 2, r * 2);
this.closePath();
};
CanvasRenderingContext2D.prototype.triangle = function (x, y, r) {
this.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
this.moveTo(x, y - (h - ir));
this.lineTo(x + s2, y + ir);
this.lineTo(x - s2, y + ir);
this.lineTo(x, y - (h - ir));
this.closePath();
};
CanvasRenderingContext2D.prototype.triangleDown = function (x, y, r) {
this.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
this.moveTo(x, y + (h - ir));
this.lineTo(x + s2, y - ir);
this.lineTo(x - s2, y - ir);
this.lineTo(x, y + (h - ir));
this.closePath();
};
CanvasRenderingContext2D.prototype.star = function (x, y, r) {
// http://www.html5canvastutorials.com/labs/html5-canvas-star-spinner/
this.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;
this.lineTo(x + radius * Math.sin(n * 2 * Math.PI / 10), y - radius * Math.cos(n * 2 * Math.PI / 10));
}
this.closePath();
};
CanvasRenderingContext2D.prototype.diamond = function (x, y, r) {
this.beginPath();
this.lineTo(x, y + r);
this.lineTo(x + r, y);
this.lineTo(x, y - r);
this.lineTo(x - r, y);
this.closePath();
};
CanvasRenderingContext2D.prototype.roundRect = function (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
this.beginPath();
this.moveTo(x + r, y);
this.lineTo(x + w - r, y);
this.arc(x + w - r, y + r, r, r2d * 270, r2d * 360, false);
this.lineTo(x + w, y + h - r);
this.arc(x + w - r, y + h - r, r, 0, r2d * 90, false);
this.lineTo(x + r, y + h);
this.arc(x + r, y + h - r, r, r2d * 90, r2d * 180, false);
this.lineTo(x, y + r);
this.arc(x + r, y + r, r, r2d * 180, r2d * 270, false);
this.closePath();
};
CanvasRenderingContext2D.prototype.ellipse_vis = function (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
this.beginPath();
this.moveTo(x, ym);
this.bezierCurveTo(x, ym - oy, xm - ox, y, xm, y);
this.bezierCurveTo(xm + ox, y, xe, ym - oy, xe, ym);
this.bezierCurveTo(xe, ym + oy, xm + ox, ye, xm, ye);
this.bezierCurveTo(xm - ox, ye, x, ym + oy, x, ym);
this.closePath();
};
CanvasRenderingContext2D.prototype.database = function (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
this.beginPath();
this.moveTo(xe, ym);
this.bezierCurveTo(xe, ym + oy, xm + ox, ye, xm, ye);
this.bezierCurveTo(xm - ox, ye, x, ym + oy, x, ym);
this.bezierCurveTo(x, ym - oy, xm - ox, y, xm, y);
this.bezierCurveTo(xm + ox, y, xe, ym - oy, xe, ym);
this.lineTo(xe, ymb);
this.bezierCurveTo(xe, ymb + oy, xm + ox, yeb, xm, yeb);
this.bezierCurveTo(xm - ox, yeb, x, ymb + oy, x, ymb);
this.lineTo(x, ym);
};
CanvasRenderingContext2D.prototype.dashedLine = function (x, y, x2, y2, pattern) {
this.beginPath();
this.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) {
this.lineTo(x, y);
} else {
this.moveTo(x, y);
}
distRemaining -= dashLength;
draw = !draw;
}
};
CanvasRenderingContext2D.prototype.hexagon = function (x, y, r) {
this.beginPath();
var sides = 6;
var a = Math.PI * 2 / sides;
this.moveTo(x + r, y);
for (var i = 1; i < sides; i++) {
this.lineTo(x + r * Math.cos(a * i), y + r * Math.sin(a * i));
}
this.closePath();
};
}
var commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};
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;
}
};
// Thank's IE8 for his funny defineProperty
var descriptors = !fails(function () {
return Object.defineProperty({}, 'a', { get: function () { return 7; } }).a != 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;
};
// toObject with fallback for non-array-like ES3 strings
var toIndexedObject = function (it) {
return indexedObject(requireObjectCoercible(it));
};
var isObject = 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 = 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) : {};
};
// Thank's IE8 for his funny defineProperty
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 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 setGlobal = function (key, value) {
try {
createNonEnumerableProperty(global_1, key, value);
} catch (error) {
global_1[key] = value;
} return value;
};
var SHARED = '__core-js_shared__';
var store = global_1[SHARED] || setGlobal(SHARED, {});
var sharedStore = store;
var shared = createCommonjsModule(function (module) {
(module.exports = function (key, value) {
return sharedStore[key] || (sharedStore[key] = value !== undefined ? value : {});
})('versions', []).push({
version: '3.3.4',
mode: 'global',
copyright: '© 2019 Denis Pushkarev (zloirock.ru)'
});
});
var functionToString = shared('native-function-to-string', Function.toString);
var WeakMap = global_1.WeakMap;
var nativeWeakMap = typeof WeakMap === 'function' && /native code/.test(functionToString.call(WeakMap));
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 hiddenKeys = {};
var WeakMap$1 = global_1.WeakMap;
var set, get, has$1;
var enforce = function (it) {
return has$1(it) ? get(it) : set(it, {});
};
var getterFor = function (TYPE) {
return function (it) {
var state;
if (!isObject(it) || (state = get(it)).type !== TYPE) {
throw TypeError('Incompatible receiver, ' + TYPE + ' required');
} return state;
};
};
if (nativeWeakMap) {
var store$1 = new WeakMap$1();
var wmget = store$1.get;
var wmhas = store$1.has;
var wmset = store$1.set;
set = function (it, metadata) {
wmset.call(store$1, it, metadata);
return metadata;
};
get = function (it) {
return wmget.call(store$1, it) || {};
};
has$1 = function (it) {
return wmhas.call(store$1, it);
};
} else {
var STATE = sharedKey('state');
hiddenKeys[STATE] = true;
set = function (it, metadata) {
createNonEnumerableProperty(it, STATE, metadata);
return metadata;
};
get = function (it) {
return has(it, STATE) ? it[STATE] : {};
};
has$1 = function (it) {
return has(it, STATE);
};
}
var internalState = {
set: set,
get: get,
has: has$1,
enforce: enforce,
getterFor: getterFor
};
var redefine = createCommonjsModule(function (module) {
var getInternalState = internalState.get;
var enforceInternalState = internalState.enforce;
var TEMPLATE = String(functionToString).split('toString');
shared('inspectSource', function (it) {
return functionToString.call(it);
});
(module.exports = function (O, key, value, options) {
var unsafe = options ? !!options.unsafe : false;
var simple = options ? !!options.enumerable : false;
var noTargetGet = options ? !!options.noTargetGet : false;
if (typeof value == 'function') {
if (typeof key == 'string' && !has(value, 'name')) createNonEnumerableProperty(value, 'name', key);
enforceInternalState(value).source = TEMPLATE.join(typeof key == 'string' ? key : '');
}
if (O === global_1) {
if (simple) O[key] = value;
else setGlobal(key, value);
return;
} else if (!unsafe) {
delete O[key];
} else if (!noTargetGet && O[key]) {
simple = true;
}
if (simple) O[key] = value;
else createNonEnumerableProperty(O, key, value);
// add fake Function#toString for correct work wrapped methods / constructors with methods like LoDash isNative
})(Function.prototype, 'toString', function toString() {
return typeof this == 'function' && getInternalState(this).source || functionToString.call(this);
});
});
var path = global_1;
var aFunction = function (variable) {
return typeof variable == 'function' ? variable : undefined;
};
var getBuiltIn = function (namespace, method) {
return arguments.length < 2 ? aFunction(path[namespace]) || aFunction(global_1[namespace])
: path[namespace] && path[namespace][method] || global_1[namespace] && global_1[namespace][method];
};
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(length, 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($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 indexOf = arrayIncludes.indexOf;
var objectKeysInternal = function (object, names) {
var O = toIndexedObject(object);
var i = 0;
var result = [];
var key;
for (key in O) !has(hiddenKeys, key) && has(O, key) && result.push(key);
// Don't enum bug & hidden keys
while (names.length > i) if (has(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'
];
var hiddenKeys$1 = enumBugKeys.concat('length', 'prototype');
// `Object.getOwnPropertyNames` method
// https://tc39.github.io/ecma262/#sec-object.getownpropertynames
var f$3 = Object.getOwnPropertyNames || function getOwnPropertyNames(O) {
return objectKeysInternal(O, hiddenKeys$1);
};
var objectGetOwnPropertyNames = {
f: f$3
};
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(it));
var getOwnPropertySymbols = objectGetOwnPropertySymbols.f;
return getOwnPropertySymbols ? keys.concat(getOwnPropertySymbols(it)) : keys;
};
var copyConstructorProperties = function (target, source) {
var keys = ownKeys(source);
var defineProperty = objectDefineProperty.f;
var getOwnPropertyDescriptor = objectGetOwnPropertyDescriptor.f;
for (var i = 0; i < keys.length; i++) {
var key = keys[i];
if (!has(target, key)) defineProperty(target, key, getOwnPropertyDescriptor(source, key));
}
};
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 getOwnPropertyDescriptor$1 = objectGetOwnPropertyDescriptor.f;
/*
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 FORCED, target, key, targetProperty, sourceProperty, descriptor;
if (GLOBAL) {
target = global_1;
} else if (STATIC) {
target = global_1[TARGET] || setGlobal(TARGET, {});
} else {
target = (global_1[TARGET] || {}).prototype;
}
if (target) for (key in source) {
sourceProperty = source[key];
if (options.noTargetGet) {
descriptor = getOwnPropertyDescriptor$1(target, key);
targetProperty = descriptor && descriptor.value;
} else targetProperty = target[key];
FORCED = isForced_1(GLOBAL ? key : TARGET + (STATIC ? '.' : '#') + key, options.forced);
// contained in target
if (!FORCED && targetProperty !== undefined) {
if (typeof sourceProperty === typeof targetProperty) continue;
copyConstructorProperties(sourceProperty, targetProperty);
}
// add a flag to not completely full polyfills
if (options.sham || (targetProperty && targetProperty.sham)) {
createNonEnumerableProperty(sourceProperty, 'sham', true);
}
// extend global
redefine(target, key, sourceProperty, options);
}
};
// `IsArray` abstract operation
// https://tc39.github.io/ecma262/#sec-isarray
var isArray = Array.isArray || function isArray(arg) {
return classofRaw(arg) == 'Array';
};
var createProperty = function (object, key, value) {
var propertyKey = toPrimitive(key);
if (propertyKey in object) objectDefineProperty.f(object, propertyKey, createPropertyDescriptor(0, value));
else object[propertyKey] = value;
};
var nativeSymbol = !!Object.getOwnPropertySymbols && !fails(function () {
// Chrome 38 Symbol has incorrect toString conversion
// eslint-disable-next-line no-undef
return !String(Symbol());
});
var Symbol$1 = global_1.Symbol;
var store$2 = shared('wks');
var wellKnownSymbol = function (name) {
return store$2[name] || (store$2[name] = nativeSymbol && Symbol$1[name]
|| (nativeSymbol ? Symbol$1 : uid)('Symbol.' + name));
};
var userAgent = getBuiltIn('navigator', 'userAgent') || '';
var process = global_1.process;
var versions = process && process.versions;
var v8 = versions && versions.v8;
var match, version;
if (v8) {
match = v8.split('.');
version = match[0] + match[1];
} else if (userAgent) {
match = userAgent.match(/Chrome\/(\d+)/);
if (match) version = match[1];
}
var v8Version = version && +version;
var SPECIES = wellKnownSymbol('species');
var arrayMethodHasSpeciesSupport = function (METHOD_NAME) {
// We can't use this feature detection in V8 since it causes
// deoptimization and serious performance degradation
// https://github.com/zloirock/core-js/issues/677
return v8Version >= 51 || !fails(function () {
var array = [];
var constructor = array.constructor = {};
constructor[SPECIES] = function () {
return { foo: 1 };
};
return array[METHOD_NAME](Boolean).foo !== 1;
});
};
var SPECIES$1 = wellKnownSymbol('species');
var nativeSlice = [].slice;
var max$1 = Math.max;
// `Array.prototype.slice` method
// https://tc39.github.io/ecma262/#sec-array.prototype.slice
// fallback for not array-like ES3 strings and DOM objects
_export({ target: 'Array', proto: true, forced: !arrayMethodHasSpeciesSupport('slice') }, {
slice: function slice(start, end) {
var O = toIndexedObject(this);
var length = toLength(O.length);
var k = toAbsoluteIndex(start, length);
var fin = toAbsoluteIndex(end === undefined ? length : end, length);
// inline `ArraySpeciesCreate` for usage native `Array#slice` where it's possible
var Constructor, result, n;
if (isArray(O)) {
Constructor = O.constructor;
// cross-realm fallback
if (typeof Constructor == 'function' && (Constructor === Array || isArray(Constructor.prototype))) {
Constructor = undefined;
} else if (isObject(Constructor)) {
Constructor = Constructor[SPECIES$1];
if (Constructor === null) Constructor = undefined;
}
if (Constructor === Array || Constructor === undefined) {
return nativeSlice.call(O, k, fin);
}
}
result = new (Constructor === undefined ? Array : Constructor)(max$1(fin - k, 0));
for (n = 0; k < fin; k++, n++) if (k in O) createProperty(result, n, O[k]);
result.length = n;
return result;
}
});
// `ToObject` abstract operation
// https://tc39.github.io/ecma262/#sec-toobject
var toObject = function (argument) {
return Object(requireObjectCoercible(argument));
};
var SPECIES$2 = wellKnownSymbol('species');
// `ArraySpeciesCreate` abstract operation
// https://tc39.github.io/ecma262/#sec-arrayspeciescreate
var arraySpeciesCreate = function (originalArray, length) {
var C;
if (isArray(originalArray)) {
C = originalArray.constructor;
// cross-realm fallback
if (typeof C == 'function' && (C === Array || isArray(C.prototype))) C = undefined;
else if (isObject(C)) {
C = C[SPECIES$2];
if (C === null) C = undefined;
}
} return new (C === undefined ? Array : C)(length === 0 ? 0 : length);
};
var max$2 = Math.max;
var min$2 = Math.min;
var MAX_SAFE_INTEGER = 0x1FFFFFFFFFFFFF;
var MAXIMUM_ALLOWED_LENGTH_EXCEEDED = 'Maximum allowed length exceeded';
// `Array.prototype.splice` method
// https://tc39.github.io/ecma262/#sec-array.prototype.splice
// with adding support of @@species
_export({ target: 'Array', proto: true, forced: !arrayMethodHasSpeciesSupport('splice') }, {
splice: function splice(start, deleteCount /* , ...items */) {
var O = toObject(this);
var len = toLength(O.length);
var actualStart = toAbsoluteIndex(start, len);
var argumentsLength = arguments.length;
var insertCount, actualDeleteCount, A, k, from, to;
if (argumentsLength === 0) {
insertCount = actualDeleteCount = 0;
} else if (argumentsLength === 1) {
insertCount = 0;
actualDeleteCount = len - actualStart;
} else {
insertCount = argumentsLength - 2;
actualDeleteCount = min$2(max$2(toInteger(deleteCount), 0), len - actualStart);
}
if (len + insertCount - actualDeleteCount > MAX_SAFE_INTEGER) {
throw TypeError(MAXIMUM_ALLOWED_LENGTH_EXCEEDED);
}
A = arraySpeciesCreate(O, actualDeleteCount);
for (k = 0; k < actualDeleteCount; k++) {
from = actualStart + k;
if (from in O) createProperty(A, k, O[from]);
}
A.length = actualDeleteCount;
if (insertCount < actualDeleteCount) {
for (k = actualStart; k < len - actualDeleteCount; k++) {
from = k + actualDeleteCount;
to = k + insertCount;
if (from in O) O[to] = O[from];
else delete O[to];
}
for (k = len; k > len - actualDeleteCount + insertCount; k--) delete O[k - 1];
} else if (insertCount > actualDeleteCount) {
for (k = len - actualDeleteCount; k > actualStart; k--) {
from = k + actualDeleteCount - 1;
to = k + insertCount - 1;
if (from in O) O[to] = O[from];
else delete O[to];
}
}
for (k = 0; k < insertCount; k++) {
O[k + actualStart] = arguments[k + 2];
}
O.length = len - actualDeleteCount + insertCount;
return A;
}
});
var componentEmitter = createCommonjsModule(function (module) {
/**
* Expose `Emitter`.
*/
{
module.exports = Emitter;
}
/**
* Initialize a new `Emitter`.
*
* @api public
*/
function Emitter(obj) {
if (obj) return mixin(obj);
}
/**
* Mixin the emitter properties.
*
* @param {Object} obj
* @return {Object}
* @api private
*/
function mixin(obj) {
for (var key in Emitter.prototype) {
obj[key] = Emitter.prototype[key];
}
return obj;
}
/**
* Listen on the given `event` with `fn`.
*
* @param {String} event
* @param {Function} fn
* @return {Emitter}
* @api public
*/
Emitter.prototype.on = Emitter.prototype.addEventListener = function (event, fn) {
this._callbacks = this._callbacks || {};
(this._callbacks['$' + 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 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 push = [].push;
// `Array.prototype.{ forEach, map, filter, some, every, find, findIndex }` methods implementation
var createMethod$1 = function (TYPE) {
var IS_MAP = TYPE == 1;
var IS_FILTER = TYPE == 2;
var IS_SOME = TYPE == 3;
var IS_EVERY = TYPE == 4;
var IS_FIND_INDEX = TYPE == 6;
var NO_HOLES = TYPE == 5 || IS_FIND_INDEX;
return function ($this, callbackfn, that, specificCreate) {
var O = toObject($this);
var self = indexedObject(O);
var boundFunction = bindContext(callbackfn, that, 3);
var length = toLength(self.length);
var index = 0;
var create = specificCreate || arraySpeciesCreate;
var target = IS_MAP ? create($this, length) : IS_FILTER ? create($this, 0) : undefined;
var value, result;
for (;length > index; index++) if (NO_HOLES || index in self) {
value = self[index];
result = boundFunction(value, index, O);
if (TYPE) {
if (IS_MAP) target[index] = result; // map
else if (result) switch (TYPE) {
case 3: return true; // some
case 5: return value; // find
case 6: return index; // findIndex
case 2: push.call(target, value); // filter
} else if (IS_EVERY) return false; // every
}
}
return IS_FIND_INDEX ? -1 : IS_SOME || IS_EVERY ? IS_EVERY : target;
};
};
var arrayIteration = {
// `Array.prototype.forEach` method
// https://tc39.github.io/ecma262/#sec-array.prototype.foreach
forEach: createMethod$1(0),
// `Array.prototype.map` method
// https://tc39.github.io/ecma262/#sec-array.prototype.map
map: createMethod$1(1),
// `Array.prototype.filter` method
// https://tc39.github.io/ecma262/#sec-array.prototype.filter
filter: createMethod$1(2),
// `Array.prototype.some` method
// https://tc39.github.io/ecma262/#sec-array.prototype.some
some: createMethod$1(3),
// `Array.prototype.every` method
// https://tc39.github.io/ecma262/#sec-array.prototype.every
every: createMethod$1(4),
// `Array.prototype.find` method
// https://tc39.github.io/ecma262/#sec-array.prototype.find
find: createMethod$1(5),
// `Array.prototype.findIndex` method
// https://tc39.github.io/ecma262/#sec-array.prototype.findIndex
findIndex: createMethod$1(6)
};
var sloppyArrayMethod = function (METHOD_NAME, argument) {
var method = [][METHOD_NAME];
return !method || !fails(function () {
// eslint-disable-next-line no-useless-call,no-throw-literal
method.call(null, argument || function () { throw 1; }, 1);
});
};
var $forEach = arrayIteration.forEach;
// `Array.prototype.forEach` method implementation
// https://tc39.github.io/ecma262/#sec-array.prototype.foreach
var arrayForEach = sloppyArrayMethod('forEach') ? function forEach(callbackfn /* , thisArg */) {
return $forEach(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
} : [].forEach;
// `Array.prototype.forEach` method
// https://tc39.github.io/ecma262/#sec-array.prototype.foreach
_export({ target: 'Array', proto: true, forced: [].forEach != arrayForEach }, {
forEach: arrayForEach
});
// `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 ? Object.defineProperties : function defineProperties(O, Properties) {
anObject(O);
var keys = objectKeys(Properties);
var length = keys.length;
var index = 0;
var key;
while (length > index) objectDefineProperty.f(O, key = keys[index++], Properties[key]);
return O;
};
var html = getBuiltIn('document', 'documentElement');
var IE_PROTO = sharedKey('IE_PROTO');
var PROTOTYPE = 'prototype';
var Empty = function () { /* empty */ };
// Create object with fake `null` prototype: use iframe Object with cleared prototype
var createDict = function () {
// Thrash, waste and sodomy: IE GC bug
var iframe = documentCreateElement('iframe');
var length = enumBugKeys.length;
var lt = '<';
var script = 'script';
var gt = '>';
var js = 'java' + script + ':';
var iframeDocument;
iframe.style.display = 'none';
html.appendChild(iframe);
iframe.src = String(js);
iframeDocument = iframe.contentWindow.document;
iframeDocument.open();
iframeDocument.write(lt + script + gt + 'document.F=Object' + lt + '/' + script + gt);
iframeDocument.close();
createDict = iframeDocument.F;
while (length--) delete createDict[PROTOTYPE][enumBugKeys[length]];
return createDict();
};
// `Object.create` method
// https://tc39.github.io/ecma262/#sec-object.create
var objectCreate = Object.create || function create(O, Properties) {
var result;
if (O !== null) {
Empty[PROTOTYPE] = anObject(O);
result = new Empty();
Empty[PROTOTYPE] = null;
// add "__proto__" for Object.getPrototypeOf polyfill
result[IE_PROTO] = O;
} else result = createDict();
return Properties === undefined ? result : objectDefineProperties(result, Properties);
};
hiddenKeys[IE_PROTO] = true;
var UNSCOPABLES = wellKnownSymbol('unscopables');
var ArrayPrototype = Array.prototype;
// Array.prototype[@@unscopables]
// https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables
if (ArrayPrototype[UNSCOPABLES] == undefined) {
createNonEnumerableProperty(ArrayPrototype, UNSCOPABLES, objectCreate(null));
}
// add a key to Array.prototype[@@unscopables]
var addToUnscopables = function (key) {
ArrayPrototype[UNSCOPABLES][key] = true;
};
var $includes = arrayIncludes.includes;
// `Array.prototype.includes` method
// https://tc39.github.io/ecma262/#sec-array.prototype.includes
_export({ target: 'Array', proto: true }, {
includes: function includes(el /* , fromIndex = 0 */) {
return $includes(this, el, arguments.length > 1 ? arguments[1] : undefined);
}
});
// https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables
addToUnscopables('includes');
var $indexOf = arrayIncludes.indexOf;
var nativeIndexOf = [].indexOf;
var NEGATIVE_ZERO = !!nativeIndexOf && 1 / [1].indexOf(1, -0) < 0;
var SLOPPY_METHOD = sloppyArrayMethod('indexOf');
// `Array.prototype.indexOf` method
// https://tc39.github.io/ecma262/#sec-array.prototype.indexof
_export({ target: 'Array', proto: true, forced: NEGATIVE_ZERO || SLOPPY_METHOD }, {
indexOf: function indexOf(searchElement /* , fromIndex = 0 */) {
return NEGATIVE_ZERO
// convert -0 to +0
? nativeIndexOf.apply(this, arguments) || 0
: $indexOf(this, searchElement, arguments.length > 1 ? arguments[1] : undefined);
}
});
var defineProperty = objectDefineProperty.f;
var FunctionPrototype = Function.prototype;
var FunctionPrototypeToString = FunctionPrototype.toString;
var nameRE = /^\s*function ([^ (]*)/;
var NAME = 'name';
// Function instances `.name` property
// https://tc39.github.io/ecma262/#sec-function-instances-name
if (descriptors && !(NAME in FunctionPrototype)) {
defineProperty(FunctionPrototype, NAME, {
configurable: true,
get: function () {
try {
return FunctionPrototypeToString.call(this).match(nameRE)[1];
} catch (error) {
return '';
}
}
});
}
var aPossiblePrototype = function (it) {
if (!isObject(it) && it !== null) {
throw TypeError("Can't set " + String(it) + ' as a prototype');
} return it;
};
// `Object.setPrototypeOf` method
// https://tc39.github.io/ecma262/#sec-object.setprototypeof
// Works with __proto__ only. Old v8 can't work with null proto objects.
/* eslint-disable no-proto */
var objectSetPrototypeOf = Object.setPrototypeOf || ('__proto__' in {} ? function () {
var CORRECT_SETTER = false;
var test = {};
var setter;
try {
setter = Object.getOwnPropertyDescriptor(Object.prototype, '__proto__').set;
setter.call(test, []);
CORRECT_SETTER = test instanceof Array;
} catch (error) { /* empty */ }
return function setPrototypeOf(O, proto) {
anObject(O);
aPossiblePrototype(proto);
if (CORRECT_SETTER) setter.call(O, proto);
else O.__proto__ = proto;
return O;
};
}() : undefined);
// makes subclassing work correct for wrapped built-ins
var inheritIfRequired = function ($this, dummy, Wrapper) {
var NewTarget, NewTargetPrototype;
if (
// it can work only with native `setPrototypeOf`
objectSetPrototypeOf &&
// we haven't completely correct pre-ES6 way for getting `new.target`, so use this
typeof (NewTarget = dummy.constructor) == 'function' &&
NewTarget !== Wrapper &&
isObject(NewTargetPrototype = NewTarget.prototype) &&
NewTargetPrototype !== Wrapper.prototype
) objectSetPrototypeOf($this, NewTargetPrototype);
return $this;
};
// a string of all valid unicode whitespaces
// eslint-disable-next-line max-len
var whitespaces = '\u0009\u000A\u000B\u000C\u000D\u0020\u00A0\u1680\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028\u2029\uFEFF';
var whitespace = '[' + whitespaces + ']';
var ltrim = RegExp('^' + whitespace + whitespace + '*');
var rtrim = RegExp(whitespace + whitespace + '*$');
// `String.prototype.{ trim, trimStart, trimEnd, trimLeft, trimRight }` methods implementation
var createMethod$2 = function (TYPE) {
return function ($this) {
var string = String(requireObjectCoercible($this));
if (TYPE & 1) string = string.replace(ltrim, '');
if (TYPE & 2) string = string.replace(rtrim, '');
return string;
};
};
var stringTrim = {
// `String.prototype.{ trimLeft, trimStart }` methods
// https://tc39.github.io/ecma262/#sec-string.prototype.trimstart
start: createMethod$2(1),
// `String.prototype.{ trimRight, trimEnd }` methods
// https://tc39.github.io/ecma262/#sec-string.prototype.trimend
end: createMethod$2(2),
// `String.prototype.trim` method
// https://tc39.github.io/ecma262/#sec-string.prototype.trim
trim: createMethod$2(3)
};
var getOwnPropertyNames = objectGetOwnPropertyNames.f;
var getOwnPropertyDescriptor$2 = objectGetOwnPropertyDescriptor.f;
var defineProperty$1 = objectDefineProperty.f;
var trim = stringTrim.trim;
var NUMBER = 'Number';
var NativeNumber = global_1[NUMBER];
var NumberPrototype = NativeNumber.prototype;
// Opera ~12 has broken Object#toString
var BROKEN_CLASSOF = classofRaw(objectCreate(NumberPrototype)) == NUMBER;
// `ToNumber` abstract operation
// https://tc39.github.io/ecma262/#sec-tonumber
var toNumber = function (argument) {
var it = toPrimitive(argument, false);
var first, third, radix, maxCode, digits, length, index, code;
if (typeof it == 'string' && it.length > 2) {
it = trim(it);
first = it.charCodeAt(0);
if (first === 43 || first === 45) {
third = it.charCodeAt(2);
if (third === 88 || third === 120) return NaN; // Number('+0x1') should be NaN, old V8 fix
} else if (first === 48) {
switch (it.charCodeAt(1)) {
case 66: case 98: radix = 2; maxCode = 49; break; // fast equal of /^0b[01]+$/i
case 79: case 111: radix = 8; maxCode = 55; break; // fast equal of /^0o[0-7]+$/i
default: return +it;
}
digits = it.slice(2);
length = digits.length;
for (index = 0; index < length; index++) {
code = digits.charCodeAt(index);
// parseInt parses a string to a first unavailable symbol
// but ToNumber should return NaN if a string contains unavailable symbols
if (code < 48 || code > maxCode) return NaN;
} return parseInt(digits, radix);
}
} return +it;
};
// `Number` constructor
// https://tc39.github.io/ecma262/#sec-number-constructor
if (isForced_1(NUMBER, !NativeNumber(' 0o1') || !NativeNumber('0b1') || NativeNumber('+0x1'))) {
var NumberWrapper = function Number(value) {
var it = arguments.length < 1 ? 0 : value;
var dummy = this;
return dummy instanceof NumberWrapper
// check on 1..constructor(foo) case
&& (BROKEN_CLASSOF ? fails(function () { NumberPrototype.valueOf.call(dummy); }) : classofRaw(dummy) != NUMBER)
? inheritIfRequired(new NativeNumber(toNumber(it)), dummy, NumberWrapper) : toNumber(it);
};
for (var keys$1 = descriptors ? getOwnPropertyNames(NativeNumber) : (
// ES3:
'MAX_VALUE,MIN_VALUE,NaN,NEGATIVE_INFINITY,POSITIVE_INFINITY,' +
// ES2015 (in case, if modules with ES2015 Number statics required before):
'EPSILON,isFinite,isInteger,isNaN,isSafeInteger,MAX_SAFE_INTEGER,' +
'MIN_SAFE_INTEGER,parseFloat,parseInt,isInteger'
).split(','), j = 0, key; keys$1.length > j; j++) {
if (has(NativeNumber, key = keys$1[j]) && !has(NumberWrapper, key)) {
defineProperty$1(NumberWrapper, key, getOwnPropertyDescriptor$2(NativeNumber, key));
}
}
NumberWrapper.prototype = NumberPrototype;
NumberPrototype.constructor = NumberWrapper;
redefine(global_1, NUMBER, NumberWrapper);
}
// `RegExp.prototype.flags` getter implementation
// https://tc39.github.io/ecma262/#sec-get-regexp.prototype.flags
var regexpFlags = function () {
var that = anObject(this);
var result = '';
if (that.global) result += 'g';
if (that.ignoreCase) result += 'i';
if (that.multiline) result += 'm';
if (that.dotAll) result += 's';
if (that.unicode) result += 'u';
if (that.sticky) result += 'y';
return result;
};
var nativeExec = RegExp.prototype.exec;
// This always refers to the native implementation, because the
// String#replace polyfill uses ./fix-regexp-well-known-symbol-logic.js,
// which loads this file before patching the method.
var nativeReplace = String.prototype.replace;
var patchedExec = nativeExec;
var UPDATES_LAST_INDEX_WRONG = (function () {
var re1 = /a/;
var re2 = /b*/g;
nativeExec.call(re1, 'a');
nativeExec.call(re2, 'a');
return re1.lastIndex !== 0 || re2.lastIndex !== 0;
})();
// nonparticipating capturing group, copied from es5-shim's String#split patch.
var NPCG_INCLUDED = /()??/.exec('')[1] !== undefined;
var PATCH = UPDATES_LAST_INDEX_WRONG || NPCG_INCLUDED;
if (PATCH) {
patchedExec = function exec(str) {
var re = this;
var lastIndex, reCopy, match, i;
if (NPCG_INCLUDED) {
reCopy = new RegExp('^' + re.source + '$(?!\\s)', regexpFlags.call(re));
}
if (UPDATES_LAST_INDEX_WRONG) lastIndex = re.lastIndex;
match = nativeExec.call(re, str);
if (UPDATES_LAST_INDEX_WRONG && match) {
re.lastIndex = re.global ? match.index + match[0].length : lastIndex;
}
if (NPCG_INCLUDED && match && match.length > 1) {
// Fix browsers whose `exec` methods don't consistently return `undefined`
// for NPCG, like IE8. NOTE: This doesn' work for /(.?)?/
nativeReplace.call(match[0], reCopy, function () {
for (i = 1; i < arguments.length - 2; i++) {
if (arguments[i] === undefined) match[i] = undefined;
}
});
}
return match;
};
}
var regexpExec = patchedExec;
_export({ target: 'RegExp', proto: true, forced: /./.exec !== regexpExec }, {
exec: regexpExec
});
var MATCH = wellKnownSymbol('match');
// `IsRegExp` abstract operation
// https://tc39.github.io/ecma262/#sec-isregexp
var isRegexp = function (it) {
var isRegExp;
return isObject(it) && ((isRegExp = it[MATCH]) !== undefined ? !!isRegExp : classofRaw(it) == 'RegExp');
};
var notARegexp = function (it) {
if (isRegexp(it)) {
throw TypeError("The method doesn't accept regular expressions");
} return it;
};
var MATCH$1 = wellKnownSymbol('match');
var correctIsRegexpLogic = function (METHOD_NAME) {
var regexp = /./;
try {
'/./'[METHOD_NAME](regexp);
} catch (e) {
try {
regexp[MATCH$1] = false;
return '/./'[METHOD_NAME](regexp);
} catch (f) { /* empty */ }
} return false;
};
// `String.prototype.includes` method
// https://tc39.github.io/ecma262/#sec-string.prototype.includes
_export({ target: 'String', proto: true, forced: !correctIsRegexpLogic('includes') }, {
includes: function includes(searchString /* , position = 0 */) {
return !!~String(requireObjectCoercible(this))
.indexOf(notARegexp(searchString), arguments.length > 1 ? arguments[1] : undefined);
}
});
var SPECIES$3 = wellKnownSymbol('species'