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vis-network

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A dynamic, browser-based visualization library.

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/** * 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'