mermaid
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Markdown-ish syntax for generating flowcharts, mindmaps, sequence diagrams, class diagrams, gantt charts, git graphs and more.
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{
"version": 3,
"sources": ["../../../../../node_modules/.pnpm/cytoscape@3.31.0/node_modules/cytoscape/dist/cytoscape.esm.mjs"],
"sourcesContent": ["/**\n * Copyright (c) 2016-2025, The Cytoscape Consortium.\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy of\n * this software and associated documentation files (the \u201CSoftware\u201D), to deal in\n * the Software without restriction, including without limitation the rights to\n * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies\n * of the Software, and to permit persons to whom the Software is furnished to do\n * so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \u201CAS IS\u201D, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\nfunction _typeof(obj) {\n \"@babel/helpers - typeof\";\n\n return _typeof = \"function\" == typeof Symbol && \"symbol\" == typeof Symbol.iterator ? function (obj) {\n return typeof obj;\n } : function (obj) {\n return obj && \"function\" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj;\n }, _typeof(obj);\n}\nfunction _classCallCheck(instance, Constructor) {\n if (!(instance instanceof Constructor)) {\n throw new TypeError(\"Cannot call a class as a function\");\n }\n}\nfunction _defineProperties(target, props) {\n for (var i = 0; i < props.length; i++) {\n var descriptor = props[i];\n descriptor.enumerable = descriptor.enumerable || false;\n descriptor.configurable = true;\n if (\"value\" in descriptor) descriptor.writable = true;\n Object.defineProperty(target, descriptor.key, descriptor);\n }\n}\nfunction _createClass(Constructor, protoProps, staticProps) {\n if (protoProps) _defineProperties(Constructor.prototype, protoProps);\n if (staticProps) _defineProperties(Constructor, staticProps);\n Object.defineProperty(Constructor, \"prototype\", {\n writable: false\n });\n return Constructor;\n}\nfunction _defineProperty$1(obj, key, value) {\n if (key in obj) {\n Object.defineProperty(obj, key, {\n value: value,\n enumerable: true,\n configurable: true,\n writable: true\n });\n } else {\n obj[key] = value;\n }\n return obj;\n}\nfunction _slicedToArray(arr, i) {\n return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest();\n}\nfunction _toConsumableArray(arr) {\n return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread();\n}\nfunction _arrayWithoutHoles(arr) {\n if (Array.isArray(arr)) return _arrayLikeToArray(arr);\n}\nfunction _arrayWithHoles(arr) {\n if (Array.isArray(arr)) return arr;\n}\nfunction _iterableToArray(iter) {\n if (typeof Symbol !== \"undefined\" && iter[Symbol.iterator] != null || iter[\"@@iterator\"] != null) return Array.from(iter);\n}\nfunction _iterableToArrayLimit(arr, i) {\n var _i = arr == null ? null : typeof Symbol !== \"undefined\" && arr[Symbol.iterator] || arr[\"@@iterator\"];\n if (_i == null) return;\n var _arr = [];\n var _n = true;\n var _d = false;\n var _s, _e;\n try {\n for (_i = _i.call(arr); !(_n = (_s = _i.next()).done); _n = true) {\n _arr.push(_s.value);\n if (i && _arr.length === i) break;\n }\n } catch (err) {\n _d = true;\n _e = err;\n } finally {\n try {\n if (!_n && _i[\"return\"] != null) _i[\"return\"]();\n } finally {\n if (_d) throw _e;\n }\n }\n return _arr;\n}\nfunction _unsupportedIterableToArray(o, minLen) {\n if (!o) return;\n if (typeof o === \"string\") return _arrayLikeToArray(o, minLen);\n var n = Object.prototype.toString.call(o).slice(8, -1);\n if (n === \"Object\" && o.constructor) n = o.constructor.name;\n if (n === \"Map\" || n === \"Set\") return Array.from(o);\n if (n === \"Arguments\" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);\n}\nfunction _arrayLikeToArray(arr, len) {\n if (len == null || len > arr.length) len = arr.length;\n for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];\n return arr2;\n}\nfunction _nonIterableSpread() {\n throw new TypeError(\"Invalid attempt to spread non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.\");\n}\nfunction _nonIterableRest() {\n throw new TypeError(\"Invalid attempt to destructure non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.\");\n}\nfunction _createForOfIteratorHelper(o, allowArrayLike) {\n var it = typeof Symbol !== \"undefined\" && o[Symbol.iterator] || o[\"@@iterator\"];\n if (!it) {\n if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === \"number\") {\n if (it) o = it;\n var i = 0;\n var F = function () {};\n return {\n s: F,\n n: function () {\n if (i >= o.length) return {\n done: true\n };\n return {\n done: false,\n value: o[i++]\n };\n },\n e: function (e) {\n throw e;\n },\n f: F\n };\n }\n throw new TypeError(\"Invalid attempt to iterate non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.\");\n }\n var normalCompletion = true,\n didErr = false,\n err;\n return {\n s: function () {\n it = it.call(o);\n },\n n: function () {\n var step = it.next();\n normalCompletion = step.done;\n return step;\n },\n e: function (e) {\n didErr = true;\n err = e;\n },\n f: function () {\n try {\n if (!normalCompletion && it.return != null) it.return();\n } finally {\n if (didErr) throw err;\n }\n }\n };\n}\n\nvar _window = typeof window === 'undefined' ? null : window; // eslint-disable-line no-undef\n\nvar navigator = _window ? _window.navigator : null;\n_window ? _window.document : null;\nvar typeofstr = _typeof('');\nvar typeofobj = _typeof({});\nvar typeoffn = _typeof(function () {});\nvar typeofhtmlele = typeof HTMLElement === \"undefined\" ? \"undefined\" : _typeof(HTMLElement);\nvar instanceStr = function instanceStr(obj) {\n return obj && obj.instanceString && fn$6(obj.instanceString) ? obj.instanceString() : null;\n};\n\nvar string = function string(obj) {\n return obj != null && _typeof(obj) == typeofstr;\n};\nvar fn$6 = function fn(obj) {\n return obj != null && _typeof(obj) === typeoffn;\n};\nvar array = function array(obj) {\n return !elementOrCollection(obj) && (Array.isArray ? Array.isArray(obj) : obj != null && obj instanceof Array);\n};\nvar plainObject = function plainObject(obj) {\n return obj != null && _typeof(obj) === typeofobj && !array(obj) && obj.constructor === Object;\n};\nvar object = function object(obj) {\n return obj != null && _typeof(obj) === typeofobj;\n};\nvar number$1 = function number(obj) {\n return obj != null && _typeof(obj) === _typeof(1) && !isNaN(obj);\n};\nvar integer = function integer(obj) {\n return number$1(obj) && Math.floor(obj) === obj;\n};\nvar htmlElement = function htmlElement(obj) {\n if ('undefined' === typeofhtmlele) {\n return undefined;\n } else {\n return null != obj && obj instanceof HTMLElement;\n }\n};\nvar elementOrCollection = function elementOrCollection(obj) {\n return element(obj) || collection(obj);\n};\nvar element = function element(obj) {\n return instanceStr(obj) === 'collection' && obj._private.single;\n};\nvar collection = function collection(obj) {\n return instanceStr(obj) === 'collection' && !obj._private.single;\n};\nvar core = function core(obj) {\n return instanceStr(obj) === 'core';\n};\nvar stylesheet = function stylesheet(obj) {\n return instanceStr(obj) === 'stylesheet';\n};\nvar event = function event(obj) {\n return instanceStr(obj) === 'event';\n};\nvar emptyString = function emptyString(obj) {\n if (obj === undefined || obj === null) {\n // null is empty\n return true;\n } else if (obj === '' || obj.match(/^\\s+$/)) {\n return true; // empty string is empty\n }\n\n return false; // otherwise, we don't know what we've got\n};\nvar domElement = function domElement(obj) {\n if (typeof HTMLElement === 'undefined') {\n return false; // we're not in a browser so it doesn't matter\n } else {\n return obj instanceof HTMLElement;\n }\n};\nvar boundingBox = function boundingBox(obj) {\n return plainObject(obj) && number$1(obj.x1) && number$1(obj.x2) && number$1(obj.y1) && number$1(obj.y2);\n};\nvar promise = function promise(obj) {\n return object(obj) && fn$6(obj.then);\n};\nvar ms = function ms() {\n return navigator && navigator.userAgent.match(/msie|trident|edge/i);\n}; // probably a better way to detect this...\n\nvar memoize$1 = function memoize(fn, keyFn) {\n if (!keyFn) {\n keyFn = function keyFn() {\n if (arguments.length === 1) {\n return arguments[0];\n } else if (arguments.length === 0) {\n return 'undefined';\n }\n var args = [];\n for (var i = 0; i < arguments.length; i++) {\n args.push(arguments[i]);\n }\n return args.join('$');\n };\n }\n var memoizedFn = function memoizedFn() {\n var self = this;\n var args = arguments;\n var ret;\n var k = keyFn.apply(self, args);\n var cache = memoizedFn.cache;\n if (!(ret = cache[k])) {\n ret = cache[k] = fn.apply(self, args);\n }\n return ret;\n };\n memoizedFn.cache = {};\n return memoizedFn;\n};\n\nvar camel2dash = memoize$1(function (str) {\n return str.replace(/([A-Z])/g, function (v) {\n return '-' + v.toLowerCase();\n });\n});\nvar dash2camel = memoize$1(function (str) {\n return str.replace(/(-\\w)/g, function (v) {\n return v[1].toUpperCase();\n });\n});\nvar prependCamel = memoize$1(function (prefix, str) {\n return prefix + str[0].toUpperCase() + str.substring(1);\n}, function (prefix, str) {\n return prefix + '$' + str;\n});\nvar capitalize = function capitalize(str) {\n if (emptyString(str)) {\n return str;\n }\n return str.charAt(0).toUpperCase() + str.substring(1);\n};\n\nvar number = '(?:[-+]?(?:(?:\\\\d+|\\\\d*\\\\.\\\\d+)(?:[Ee][+-]?\\\\d+)?))';\nvar rgba = 'rgb[a]?\\\\((' + number + '[%]?)\\\\s*,\\\\s*(' + number + '[%]?)\\\\s*,\\\\s*(' + number + '[%]?)(?:\\\\s*,\\\\s*(' + number + '))?\\\\)';\nvar rgbaNoBackRefs = 'rgb[a]?\\\\((?:' + number + '[%]?)\\\\s*,\\\\s*(?:' + number + '[%]?)\\\\s*,\\\\s*(?:' + number + '[%]?)(?:\\\\s*,\\\\s*(?:' + number + '))?\\\\)';\nvar hsla = 'hsl[a]?\\\\((' + number + ')\\\\s*,\\\\s*(' + number + '[%])\\\\s*,\\\\s*(' + number + '[%])(?:\\\\s*,\\\\s*(' + number + '))?\\\\)';\nvar hslaNoBackRefs = 'hsl[a]?\\\\((?:' + number + ')\\\\s*,\\\\s*(?:' + number + '[%])\\\\s*,\\\\s*(?:' + number + '[%])(?:\\\\s*,\\\\s*(?:' + number + '))?\\\\)';\nvar hex3 = '\\\\#[0-9a-fA-F]{3}';\nvar hex6 = '\\\\#[0-9a-fA-F]{6}';\n\nvar ascending = function ascending(a, b) {\n if (a < b) {\n return -1;\n } else if (a > b) {\n return 1;\n } else {\n return 0;\n }\n};\nvar descending = function descending(a, b) {\n return -1 * ascending(a, b);\n};\n\nvar extend = Object.assign != null ? Object.assign.bind(Object) : function (tgt) {\n var args = arguments;\n for (var i = 1; i < args.length; i++) {\n var obj = args[i];\n if (obj == null) {\n continue;\n }\n var keys = Object.keys(obj);\n for (var j = 0; j < keys.length; j++) {\n var k = keys[j];\n tgt[k] = obj[k];\n }\n }\n return tgt;\n};\n\n// get [r, g, b] from #abc or #aabbcc\nvar hex2tuple = function hex2tuple(hex) {\n if (!(hex.length === 4 || hex.length === 7) || hex[0] !== '#') {\n return;\n }\n var shortHex = hex.length === 4;\n var r, g, b;\n var base = 16;\n if (shortHex) {\n r = parseInt(hex[1] + hex[1], base);\n g = parseInt(hex[2] + hex[2], base);\n b = parseInt(hex[3] + hex[3], base);\n } else {\n r = parseInt(hex[1] + hex[2], base);\n g = parseInt(hex[3] + hex[4], base);\n b = parseInt(hex[5] + hex[6], base);\n }\n return [r, g, b];\n};\n\n// get [r, g, b, a] from hsl(0, 0, 0) or hsla(0, 0, 0, 0)\nvar hsl2tuple = function hsl2tuple(hsl) {\n var ret;\n var h, s, l, a, r, g, b;\n function hue2rgb(p, q, t) {\n if (t < 0) t += 1;\n if (t > 1) t -= 1;\n if (t < 1 / 6) return p + (q - p) * 6 * t;\n if (t < 1 / 2) return q;\n if (t < 2 / 3) return p + (q - p) * (2 / 3 - t) * 6;\n return p;\n }\n var m = new RegExp('^' + hsla + '$').exec(hsl);\n if (m) {\n // get hue\n h = parseInt(m[1]);\n if (h < 0) {\n h = (360 - -1 * h % 360) % 360;\n } else if (h > 360) {\n h = h % 360;\n }\n h /= 360; // normalise on [0, 1]\n\n s = parseFloat(m[2]);\n if (s < 0 || s > 100) {\n return;\n } // saturation is [0, 100]\n s = s / 100; // normalise on [0, 1]\n\n l = parseFloat(m[3]);\n if (l < 0 || l > 100) {\n return;\n } // lightness is [0, 100]\n l = l / 100; // normalise on [0, 1]\n\n a = m[4];\n if (a !== undefined) {\n a = parseFloat(a);\n if (a < 0 || a > 1) {\n return;\n } // alpha is [0, 1]\n }\n\n // now, convert to rgb\n // code from http://mjijackson.com/2008/02/rgb-to-hsl-and-rgb-to-hsv-color-model-conversion-algorithms-in-javascript\n if (s === 0) {\n r = g = b = Math.round(l * 255); // achromatic\n } else {\n var q = l < 0.5 ? l * (1 + s) : l + s - l * s;\n var p = 2 * l - q;\n r = Math.round(255 * hue2rgb(p, q, h + 1 / 3));\n g = Math.round(255 * hue2rgb(p, q, h));\n b = Math.round(255 * hue2rgb(p, q, h - 1 / 3));\n }\n ret = [r, g, b, a];\n }\n return ret;\n};\n\n// get [r, g, b, a] from rgb(0, 0, 0) or rgba(0, 0, 0, 0)\nvar rgb2tuple = function rgb2tuple(rgb) {\n var ret;\n var m = new RegExp('^' + rgba + '$').exec(rgb);\n if (m) {\n ret = [];\n var isPct = [];\n for (var i = 1; i <= 3; i++) {\n var channel = m[i];\n if (channel[channel.length - 1] === '%') {\n isPct[i] = true;\n }\n channel = parseFloat(channel);\n if (isPct[i]) {\n channel = channel / 100 * 255; // normalise to [0, 255]\n }\n\n if (channel < 0 || channel > 255) {\n return;\n } // invalid channel value\n\n ret.push(Math.floor(channel));\n }\n var atLeastOneIsPct = isPct[1] || isPct[2] || isPct[3];\n var allArePct = isPct[1] && isPct[2] && isPct[3];\n if (atLeastOneIsPct && !allArePct) {\n return;\n } // must all be percent values if one is\n\n var alpha = m[4];\n if (alpha !== undefined) {\n alpha = parseFloat(alpha);\n if (alpha < 0 || alpha > 1) {\n return;\n } // invalid alpha value\n\n ret.push(alpha);\n }\n }\n return ret;\n};\nvar colorname2tuple = function colorname2tuple(color) {\n return colors[color.toLowerCase()];\n};\nvar color2tuple = function color2tuple(color) {\n return (array(color) ? color : null) || colorname2tuple(color) || hex2tuple(color) || rgb2tuple(color) || hsl2tuple(color);\n};\nvar colors = {\n // special colour names\n transparent: [0, 0, 0, 0],\n // NB alpha === 0\n\n // regular colours\n aliceblue: [240, 248, 255],\n antiquewhite: [250, 235, 215],\n aqua: [0, 255, 255],\n aquamarine: [127, 255, 212],\n azure: [240, 255, 255],\n beige: [245, 245, 220],\n bisque: [255, 228, 196],\n black: [0, 0, 0],\n blanchedalmond: [255, 235, 205],\n blue: [0, 0, 255],\n blueviolet: [138, 43, 226],\n brown: [165, 42, 42],\n burlywood: [222, 184, 135],\n cadetblue: [95, 158, 160],\n chartreuse: [127, 255, 0],\n chocolate: [210, 105, 30],\n coral: [255, 127, 80],\n cornflowerblue: [100, 149, 237],\n cornsilk: [255, 248, 220],\n crimson: [220, 20, 60],\n cyan: [0, 255, 255],\n darkblue: [0, 0, 139],\n darkcyan: [0, 139, 139],\n darkgoldenrod: [184, 134, 11],\n darkgray: [169, 169, 169],\n darkgreen: [0, 100, 0],\n darkgrey: [169, 169, 169],\n darkkhaki: [189, 183, 107],\n darkmagenta: [139, 0, 139],\n darkolivegreen: [85, 107, 47],\n darkorange: [255, 140, 0],\n darkorchid: [153, 50, 204],\n darkred: [139, 0, 0],\n darksalmon: [233, 150, 122],\n darkseagreen: [143, 188, 143],\n darkslateblue: [72, 61, 139],\n darkslategray: [47, 79, 79],\n darkslategrey: [47, 79, 79],\n darkturquoise: [0, 206, 209],\n darkviolet: [148, 0, 211],\n deeppink: [255, 20, 147],\n deepskyblue: [0, 191, 255],\n dimgray: [105, 105, 105],\n dimgrey: [105, 105, 105],\n dodgerblue: [30, 144, 255],\n firebrick: [178, 34, 34],\n floralwhite: [255, 250, 240],\n forestgreen: [34, 139, 34],\n fuchsia: [255, 0, 255],\n gainsboro: [220, 220, 220],\n ghostwhite: [248, 248, 255],\n gold: [255, 215, 0],\n goldenrod: [218, 165, 32],\n gray: [128, 128, 128],\n grey: [128, 128, 128],\n green: [0, 128, 0],\n greenyellow: [173, 255, 47],\n honeydew: [240, 255, 240],\n hotpink: [255, 105, 180],\n indianred: [205, 92, 92],\n indigo: [75, 0, 130],\n ivory: [255, 255, 240],\n khaki: [240, 230, 140],\n lavender: [230, 230, 250],\n lavenderblush: [255, 240, 245],\n lawngreen: [124, 252, 0],\n lemonchiffon: [255, 250, 205],\n lightblue: [173, 216, 230],\n lightcoral: [240, 128, 128],\n lightcyan: [224, 255, 255],\n lightgoldenrodyellow: [250, 250, 210],\n lightgray: [211, 211, 211],\n lightgreen: [144, 238, 144],\n lightgrey: [211, 211, 211],\n lightpink: [255, 182, 193],\n lightsalmon: [255, 160, 122],\n lightseagreen: [32, 178, 170],\n lightskyblue: [135, 206, 250],\n lightslategray: [119, 136, 153],\n lightslategrey: [119, 136, 153],\n lightsteelblue: [176, 196, 222],\n lightyellow: [255, 255, 224],\n lime: [0, 255, 0],\n limegreen: [50, 205, 50],\n linen: [250, 240, 230],\n magenta: [255, 0, 255],\n maroon: [128, 0, 0],\n mediumaquamarine: [102, 205, 170],\n mediumblue: [0, 0, 205],\n mediumorchid: [186, 85, 211],\n mediumpurple: [147, 112, 219],\n mediumseagreen: [60, 179, 113],\n mediumslateblue: [123, 104, 238],\n mediumspringgreen: [0, 250, 154],\n mediumturquoise: [72, 209, 204],\n mediumvioletred: [199, 21, 133],\n midnightblue: [25, 25, 112],\n mintcream: [245, 255, 250],\n mistyrose: [255, 228, 225],\n moccasin: [255, 228, 181],\n navajowhite: [255, 222, 173],\n navy: [0, 0, 128],\n oldlace: [253, 245, 230],\n olive: [128, 128, 0],\n olivedrab: [107, 142, 35],\n orange: [255, 165, 0],\n orangered: [255, 69, 0],\n orchid: [218, 112, 214],\n palegoldenrod: [238, 232, 170],\n palegreen: [152, 251, 152],\n paleturquoise: [175, 238, 238],\n palevioletred: [219, 112, 147],\n papayawhip: [255, 239, 213],\n peachpuff: [255, 218, 185],\n peru: [205, 133, 63],\n pink: [255, 192, 203],\n plum: [221, 160, 221],\n powderblue: [176, 224, 230],\n purple: [128, 0, 128],\n red: [255, 0, 0],\n rosybrown: [188, 143, 143],\n royalblue: [65, 105, 225],\n saddlebrown: [139, 69, 19],\n salmon: [250, 128, 114],\n sandybrown: [244, 164, 96],\n seagreen: [46, 139, 87],\n seashell: [255, 245, 238],\n sienna: [160, 82, 45],\n silver: [192, 192, 192],\n skyblue: [135, 206, 235],\n slateblue: [106, 90, 205],\n slategray: [112, 128, 144],\n slategrey: [112, 128, 144],\n snow: [255, 250, 250],\n springgreen: [0, 255, 127],\n steelblue: [70, 130, 180],\n tan: [210, 180, 140],\n teal: [0, 128, 128],\n thistle: [216, 191, 216],\n tomato: [255, 99, 71],\n turquoise: [64, 224, 208],\n violet: [238, 130, 238],\n wheat: [245, 222, 179],\n white: [255, 255, 255],\n whitesmoke: [245, 245, 245],\n yellow: [255, 255, 0],\n yellowgreen: [154, 205, 50]\n};\n\n// sets the value in a map (map may not be built)\nvar setMap = function setMap(options) {\n var obj = options.map;\n var keys = options.keys;\n var l = keys.length;\n for (var i = 0; i < l; i++) {\n var key = keys[i];\n if (plainObject(key)) {\n throw Error('Tried to set map with object key');\n }\n if (i < keys.length - 1) {\n // extend the map if necessary\n if (obj[key] == null) {\n obj[key] = {};\n }\n obj = obj[key];\n } else {\n // set the value\n obj[key] = options.value;\n }\n }\n};\n\n// gets the value in a map even if it's not built in places\nvar getMap = function getMap(options) {\n var obj = options.map;\n var keys = options.keys;\n var l = keys.length;\n for (var i = 0; i < l; i++) {\n var key = keys[i];\n if (plainObject(key)) {\n throw Error('Tried to get map with object key');\n }\n obj = obj[key];\n if (obj == null) {\n return obj;\n }\n }\n return obj;\n};\n\n/**\n * Checks if `value` is the\n * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n * @example\n *\n * _.isObject({});\n * // => true\n *\n * _.isObject([1, 2, 3]);\n * // => true\n *\n * _.isObject(_.noop);\n * // => true\n *\n * _.isObject(null);\n * // => false\n */\nfunction isObject(value) {\n var type = typeof value;\n return value != null && (type == 'object' || type == 'function');\n}\n\nvar isObject_1 = isObject;\n\nvar commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};\n\nfunction createCommonjsModule(fn, module) {\n\treturn module = { exports: {} }, fn(module, module.exports), module.exports;\n}\n\n/** Detect free variable `global` from Node.js. */\nvar freeGlobal = typeof commonjsGlobal == 'object' && commonjsGlobal && commonjsGlobal.Object === Object && commonjsGlobal;\n\nvar _freeGlobal = freeGlobal;\n\n/** Detect free variable `self`. */\nvar freeSelf = typeof self == 'object' && self && self.Object === Object && self;\n\n/** Used as a reference to the global object. */\nvar root = _freeGlobal || freeSelf || Function('return this')();\n\nvar _root = root;\n\n/**\n * Gets the timestamp of the number of milliseconds that have elapsed since\n * the Unix epoch (1 January 1970 00:00:00 UTC).\n *\n * @static\n * @memberOf _\n * @since 2.4.0\n * @category Date\n * @returns {number} Returns the timestamp.\n * @example\n *\n * _.defer(function(stamp) {\n * console.log(_.now() - stamp);\n * }, _.now());\n * // => Logs the number of milliseconds it took for the deferred invocation.\n */\nvar now = function() {\n return _root.Date.now();\n};\n\nvar now_1 = now;\n\n/** Used to match a single whitespace character. */\nvar reWhitespace = /\\s/;\n\n/**\n * Used by `_.trim` and `_.trimEnd` to get the index of the last non-whitespace\n * character of `string`.\n *\n * @private\n * @param {string} string The string to inspect.\n * @returns {number} Returns the index of the last non-whitespace character.\n */\nfunction trimmedEndIndex(string) {\n var index = string.length;\n\n while (index-- && reWhitespace.test(string.charAt(index))) {}\n return index;\n}\n\nvar _trimmedEndIndex = trimmedEndIndex;\n\n/** Used to match leading whitespace. */\nvar reTrimStart = /^\\s+/;\n\n/**\n * The base implementation of `_.trim`.\n *\n * @private\n * @param {string} string The string to trim.\n * @returns {string} Returns the trimmed string.\n */\nfunction baseTrim(string) {\n return string\n ? string.slice(0, _trimmedEndIndex(string) + 1).replace(reTrimStart, '')\n : string;\n}\n\nvar _baseTrim = baseTrim;\n\n/** Built-in value references. */\nvar Symbol$1 = _root.Symbol;\n\nvar _Symbol = Symbol$1;\n\n/** Used for built-in method references. */\nvar objectProto$5 = Object.prototype;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty$4 = objectProto$5.hasOwnProperty;\n\n/**\n * Used to resolve the\n * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n * of values.\n */\nvar nativeObjectToString$1 = objectProto$5.toString;\n\n/** Built-in value references. */\nvar symToStringTag$1 = _Symbol ? _Symbol.toStringTag : undefined;\n\n/**\n * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.\n *\n * @private\n * @param {*} value The value to query.\n * @returns {string} Returns the raw `toStringTag`.\n */\nfunction getRawTag(value) {\n var isOwn = hasOwnProperty$4.call(value, symToStringTag$1),\n tag = value[symToStringTag$1];\n\n try {\n value[symToStringTag$1] = undefined;\n var unmasked = true;\n } catch (e) {}\n\n var result = nativeObjectToString$1.call(value);\n if (unmasked) {\n if (isOwn) {\n value[symToStringTag$1] = tag;\n } else {\n delete value[symToStringTag$1];\n }\n }\n return result;\n}\n\nvar _getRawTag = getRawTag;\n\n/** Used for built-in method references. */\nvar objectProto$4 = Object.prototype;\n\n/**\n * Used to resolve the\n * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n * of values.\n */\nvar nativeObjectToString = objectProto$4.toString;\n\n/**\n * Converts `value` to a string using `Object.prototype.toString`.\n *\n * @private\n * @param {*} value The value to convert.\n * @returns {string} Returns the converted string.\n */\nfunction objectToString(value) {\n return nativeObjectToString.call(value);\n}\n\nvar _objectToString = objectToString;\n\n/** `Object#toString` result references. */\nvar nullTag = '[object Null]',\n undefinedTag = '[object Undefined]';\n\n/** Built-in value references. */\nvar symToStringTag = _Symbol ? _Symbol.toStringTag : undefined;\n\n/**\n * The base implementation of `getTag` without fallbacks for buggy environments.\n *\n * @private\n * @param {*} value The value to query.\n * @returns {string} Returns the `toStringTag`.\n */\nfunction baseGetTag(value) {\n if (value == null) {\n return value === undefined ? undefinedTag : nullTag;\n }\n return (symToStringTag && symToStringTag in Object(value))\n ? _getRawTag(value)\n : _objectToString(value);\n}\n\nvar _baseGetTag = baseGetTag;\n\n/**\n * Checks if `value` is object-like. A value is object-like if it's not `null`\n * and has a `typeof` result of \"object\".\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n * @example\n *\n * _.isObjectLike({});\n * // => true\n *\n * _.isObjectLike([1, 2, 3]);\n * // => true\n *\n * _.isObjectLike(_.noop);\n * // => false\n *\n * _.isObjectLike(null);\n * // => false\n */\nfunction isObjectLike(value) {\n return value != null && typeof value == 'object';\n}\n\nvar isObjectLike_1 = isObjectLike;\n\n/** `Object#toString` result references. */\nvar symbolTag = '[object Symbol]';\n\n/**\n * Checks if `value` is classified as a `Symbol` primitive or object.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.\n * @example\n *\n * _.isSymbol(Symbol.iterator);\n * // => true\n *\n * _.isSymbol('abc');\n * // => false\n */\nfunction isSymbol(value) {\n return typeof value == 'symbol' ||\n (isObjectLike_1(value) && _baseGetTag(value) == symbolTag);\n}\n\nvar isSymbol_1 = isSymbol;\n\n/** Used as references for various `Number` constants. */\nvar NAN = 0 / 0;\n\n/** Used to detect bad signed hexadecimal string values. */\nvar reIsBadHex = /^[-+]0x[0-9a-f]+$/i;\n\n/** Used to detect binary string values. */\nvar reIsBinary = /^0b[01]+$/i;\n\n/** Used to detect octal string values. */\nvar reIsOctal = /^0o[0-7]+$/i;\n\n/** Built-in method references without a dependency on `root`. */\nvar freeParseInt = parseInt;\n\n/**\n * Converts `value` to a number.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to process.\n * @returns {number} Returns the number.\n * @example\n *\n * _.toNumber(3.2);\n * // => 3.2\n *\n * _.toNumber(Number.MIN_VALUE);\n * // => 5e-324\n *\n * _.toNumber(Infinity);\n * // => Infinity\n *\n * _.toNumber('3.2');\n * // => 3.2\n */\nfunction toNumber(value) {\n if (typeof value == 'number') {\n return value;\n }\n if (isSymbol_1(value)) {\n return NAN;\n }\n if (isObject_1(value)) {\n var other = typeof value.valueOf == 'function' ? value.valueOf() : value;\n value = isObject_1(other) ? (other + '') : other;\n }\n if (typeof value != 'string') {\n return value === 0 ? value : +value;\n }\n value = _baseTrim(value);\n var isBinary = reIsBinary.test(value);\n return (isBinary || reIsOctal.test(value))\n ? freeParseInt(value.slice(2), isBinary ? 2 : 8)\n : (reIsBadHex.test(value) ? NAN : +value);\n}\n\nvar toNumber_1 = toNumber;\n\n/** Error message constants. */\nvar FUNC_ERROR_TEXT$1 = 'Expected a function';\n\n/* Built-in method references for those with the same name as other `lodash` methods. */\nvar nativeMax = Math.max,\n nativeMin = Math.min;\n\n/**\n * Creates a debounced function that delays invoking `func` until after `wait`\n * milliseconds have elapsed since the last time the debounced function was\n * invoked. The debounced function comes with a `cancel` method to cancel\n * delayed `func` invocations and a `flush` method to immediately invoke them.\n * Provide `options` to indicate whether `func` should be invoked on the\n * leading and/or trailing edge of the `wait` timeout. The `func` is invoked\n * with the last arguments provided to the debounced function. Subsequent\n * calls to the debounced function return the result of the last `func`\n * invocation.\n *\n * **Note:** If `leading` and `trailing` options are `true`, `func` is\n * invoked on the trailing edge of the timeout only if the debounced function\n * is invoked more than once during the `wait` timeout.\n *\n * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n *\n * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n * for details over the differences between `_.debounce` and `_.throttle`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to debounce.\n * @param {number} [wait=0] The number of milliseconds to delay.\n * @param {Object} [options={}] The options object.\n * @param {boolean} [options.leading=false]\n * Specify invoking on the leading edge of the timeout.\n * @param {number} [options.maxWait]\n * The maximum time `func` is allowed to be delayed before it's invoked.\n * @param {boolean} [options.trailing=true]\n * Specify invoking on the trailing edge of the timeout.\n * @returns {Function} Returns the new debounced function.\n * @example\n *\n * // Avoid costly calculations while the window size is in flux.\n * jQuery(window).on('resize', _.debounce(calculateLayout, 150));\n *\n * // Invoke `sendMail` when clicked, debouncing subsequent calls.\n * jQuery(element).on('click', _.debounce(sendMail, 300, {\n * 'leading': true,\n * 'trailing': false\n * }));\n *\n * // Ensure `batchLog` is invoked once after 1 second of debounced calls.\n * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });\n * var source = new EventSource('/stream');\n * jQuery(source).on('message', debounced);\n *\n * // Cancel the trailing debounced invocation.\n * jQuery(window).on('popstate', debounced.cancel);\n */\nfunction debounce(func, wait, options) {\n var lastArgs,\n lastThis,\n maxWait,\n result,\n timerId,\n lastCallTime,\n lastInvokeTime = 0,\n leading = false,\n maxing = false,\n trailing = true;\n\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT$1);\n }\n wait = toNumber_1(wait) || 0;\n if (isObject_1(options)) {\n leading = !!options.leading;\n maxing = 'maxWait' in options;\n maxWait = maxing ? nativeMax(toNumber_1(options.maxWait) || 0, wait) : maxWait;\n trailing = 'trailing' in options ? !!options.trailing : trailing;\n }\n\n function invokeFunc(time) {\n var args = lastArgs,\n thisArg = lastThis;\n\n lastArgs = lastThis = undefined;\n lastInvokeTime = time;\n result = func.apply(thisArg, args);\n return result;\n }\n\n function leadingEdge(time) {\n // Reset any `maxWait` timer.\n lastInvokeTime = time;\n // Start the timer for the trailing edge.\n timerId = setTimeout(timerExpired, wait);\n // Invoke the leading edge.\n return leading ? invokeFunc(time) : result;\n }\n\n function remainingWait(time) {\n var timeSinceLastCall = time - lastCallTime,\n timeSinceLastInvoke = time - lastInvokeTime,\n timeWaiting = wait - timeSinceLastCall;\n\n return maxing\n ? nativeMin(timeWaiting, maxWait - timeSinceLastInvoke)\n : timeWaiting;\n }\n\n function shouldInvoke(time) {\n var timeSinceLastCall = time - lastCallTime,\n timeSinceLastInvoke = time - lastInvokeTime;\n\n // Either this is the first call, activity has stopped and we're at the\n // trailing edge, the system time has gone backwards and we're treating\n // it as the trailing edge, or we've hit the `maxWait` limit.\n return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||\n (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));\n }\n\n function timerExpired() {\n var time = now_1();\n if (shouldInvoke(time)) {\n return trailingEdge(time);\n }\n // Restart the timer.\n timerId = setTimeout(timerExpired, remainingWait(time));\n }\n\n function trailingEdge(time) {\n timerId = undefined;\n\n // Only invoke if we have `lastArgs` which means `func` has been\n // debounced at least once.\n if (trailing && lastArgs) {\n return invokeFunc(time);\n }\n lastArgs = lastThis = undefined;\n return result;\n }\n\n function cancel() {\n if (timerId !== undefined) {\n clearTimeout(timerId);\n }\n lastInvokeTime = 0;\n lastArgs = lastCallTime = lastThis = timerId = undefined;\n }\n\n function flush() {\n return timerId === undefined ? result : trailingEdge(now_1());\n }\n\n function debounced() {\n var time = now_1(),\n isInvoking = shouldInvoke(time);\n\n lastArgs = arguments;\n lastThis = this;\n lastCallTime = time;\n\n if (isInvoking) {\n if (timerId === undefined) {\n return leadingEdge(lastCallTime);\n }\n if (maxing) {\n // Handle invocations in a tight loop.\n clearTimeout(timerId);\n timerId = setTimeout(timerExpired, wait);\n return invokeFunc(lastCallTime);\n }\n }\n if (timerId === undefined) {\n timerId = setTimeout(timerExpired, wait);\n }\n return result;\n }\n debounced.cancel = cancel;\n debounced.flush = flush;\n return debounced;\n}\n\nvar debounce_1 = debounce;\n\nvar performance$1 = _window ? _window.performance : null;\nvar pnow = performance$1 && performance$1.now ? function () {\n return performance$1.now();\n} : function () {\n return Date.now();\n};\nvar raf = function () {\n if (_window) {\n if (_window.requestAnimationFrame) {\n return function (fn) {\n _window.requestAnimationFrame(fn);\n };\n } else if (_window.mozRequestAnimationFrame) {\n return function (fn) {\n _window.mozRequestAnimationFrame(fn);\n };\n } else if (_window.webkitRequestAnimationFrame) {\n return function (fn) {\n _window.webkitRequestAnimationFrame(fn);\n };\n } else if (_window.msRequestAnimationFrame) {\n return function (fn) {\n _window.msRequestAnimationFrame(fn);\n };\n }\n }\n return function (fn) {\n if (fn) {\n setTimeout(function () {\n fn(pnow());\n }, 1000 / 60);\n }\n };\n}();\nvar requestAnimationFrame = function requestAnimationFrame(fn) {\n return raf(fn);\n};\nvar performanceNow = pnow;\n\nvar DEFAULT_HASH_SEED = 9261;\nvar K = 65599; // 37 also works pretty well\nvar DEFAULT_HASH_SEED_ALT = 5381;\nvar hashIterableInts = function hashIterableInts(iterator) {\n var seed = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : DEFAULT_HASH_SEED;\n // sdbm/string-hash\n var hash = seed;\n var entry;\n for (;;) {\n entry = iterator.next();\n if (entry.done) {\n break;\n }\n hash = hash * K + entry.value | 0;\n }\n return hash;\n};\nvar hashInt = function hashInt(num) {\n var seed = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : DEFAULT_HASH_SEED;\n // sdbm/string-hash\n return seed * K + num | 0;\n};\nvar hashIntAlt = function hashIntAlt(num) {\n var seed = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : DEFAULT_HASH_SEED_ALT;\n // djb2/string-hash\n return (seed << 5) + seed + num | 0;\n};\nvar combineHashes = function combineHashes(hash1, hash2) {\n return hash1 * 0x200000 + hash2;\n};\nvar combineHashesArray = function combineHashesArray(hashes) {\n return hashes[0] * 0x200000 + hashes[1];\n};\nvar hashArrays = function hashArrays(hashes1, hashes2) {\n return [hashInt(hashes1[0], hashes2[0]), hashIntAlt(hashes1[1], hashes2[1])];\n};\nvar hashIntsArray = function hashIntsArray(ints, seed) {\n var entry = {\n value: 0,\n done: false\n };\n var i = 0;\n var length = ints.length;\n var iterator = {\n next: function next() {\n if (i < length) {\n entry.value = ints[i++];\n } else {\n entry.done = true;\n }\n return entry;\n }\n };\n return hashIterableInts(iterator, seed);\n};\nvar hashString = function hashString(str, seed) {\n var entry = {\n value: 0,\n done: false\n };\n var i = 0;\n var length = str.length;\n var iterator = {\n next: function next() {\n if (i < length) {\n entry.value = str.charCodeAt(i++);\n } else {\n entry.done = true;\n }\n return entry;\n }\n };\n return hashIterableInts(iterator, seed);\n};\nvar hashStrings = function hashStrings() {\n return hashStringsArray(arguments);\n};\nvar hashStringsArray = function hashStringsArray(strs) {\n var hash;\n for (var i = 0; i < strs.length; i++) {\n var str = strs[i];\n if (i === 0) {\n hash = hashString(str);\n } else {\n hash = hashString(str, hash);\n }\n }\n return hash;\n};\n\n/*global console */\nvar warningsEnabled = true;\nvar warnSupported = console.warn != null; // eslint-disable-line no-console\nvar traceSupported = console.trace != null; // eslint-disable-line no-console\n\nvar MAX_INT$1 = Number.MAX_SAFE_INTEGER || 9007199254740991;\nvar trueify = function trueify() {\n return true;\n};\nvar falsify = function falsify() {\n return false;\n};\nvar zeroify = function zeroify() {\n return 0;\n};\nvar noop$1 = function noop() {};\nvar error = function error(msg) {\n throw new Error(msg);\n};\nvar warnings = function warnings(enabled) {\n if (enabled !== undefined) {\n warningsEnabled = !!enabled;\n } else {\n return warningsEnabled;\n }\n};\nvar warn = function warn(msg) {\n /* eslint-disable no-console */\n if (!warnings()) {\n return;\n }\n if (warnSupported) {\n console.warn(msg);\n } else {\n console.log(msg);\n if (traceSupported) {\n console.trace();\n }\n }\n}; /* eslint-enable */\n\nvar clone = function clone(obj) {\n return extend({}, obj);\n};\n\n// gets a shallow copy of the argument\nvar copy = function copy(obj) {\n if (obj == null) {\n return obj;\n }\n if (array(obj)) {\n return obj.slice();\n } else if (plainObject(obj)) {\n return clone(obj);\n } else {\n return obj;\n }\n};\nvar copyArray$1 = function copyArray(arr) {\n return arr.slice();\n};\nvar uuid = function uuid(a, b /* placeholders */) {\n for (\n // loop :)\n b = a = '';\n // b - result , a - numeric letiable\n a++ < 36;\n //\n b += a * 51 & 52 // if \"a\" is not 9 or 14 or 19 or 24\n ?\n // return a random number or 4\n (a ^ 15 // if \"a\" is not 15\n ?\n // generate a random number from 0 to 15\n 8 ^ Math.random() * (a ^ 20 ? 16 : 4) // unless \"a\" is 20, in which case a random number from 8 to 11\n : 4 // otherwise 4\n ).toString(16) : '-' // in other cases (if \"a\" is 9,14,19,24) insert \"-\"\n ) {\n }\n return b;\n};\nvar _staticEmptyObject = {};\nvar staticEmptyObject = function staticEmptyObject() {\n return _staticEmptyObject;\n};\nvar defaults$g = function defaults(_defaults) {\n var keys = Object.keys(_defaults);\n return function (opts) {\n var filledOpts = {};\n for (var i = 0; i < keys.length; i++) {\n var key = keys[i];\n var optVal = opts == null ? undefined : opts[key];\n filledOpts[key] = optVal === undefined ? _defaults[key] : optVal;\n }\n return filledOpts;\n };\n};\nvar removeFromArray = function removeFromArray(arr, ele, oneCopy) {\n for (var i = arr.length - 1; i >= 0; i--) {\n if (arr[i] === ele) {\n arr.splice(i, 1);\n if (oneCopy) {\n break;\n }\n }\n }\n};\nvar clearArray = function clearArray(arr) {\n arr.splice(0, arr.length);\n};\nvar push = function push(arr, otherArr) {\n for (var i = 0; i < otherArr.length; i++) {\n var el = otherArr[i];\n arr.push(el);\n }\n};\nvar getPrefixedProperty = function getPrefixedProperty(obj, propName, prefix) {\n if (prefix) {\n propName = prependCamel(prefix, propName); // e.g. (labelWidth, source) => sourceLabelWidth\n }\n\n return obj[propName];\n};\nvar setPrefixedProperty = function setPrefixedProperty(obj, propName, prefix, value) {\n if (prefix) {\n propName = prependCamel(prefix, propName); // e.g. (labelWidth, source) => sourceLabelWidth\n }\n\n obj[propName] = value;\n};\n\n/* global Map */\nvar ObjectMap = /*#__PURE__*/function () {\n function ObjectMap() {\n _classCallCheck(this, ObjectMap);\n this._obj = {};\n }\n _createClass(ObjectMap, [{\n key: \"set\",\n value: function set(key, val) {\n this._obj[key] = val;\n return this;\n }\n }, {\n key: \"delete\",\n value: function _delete(key) {\n this._obj[key] = undefined;\n return this;\n }\n }, {\n key: \"clear\",\n value: function clear() {\n this._obj = {};\n }\n }, {\n key: \"has\",\n value: function has(key) {\n return this._obj[key] !== undefined;\n }\n }, {\n key: \"get\",\n value: function get(key) {\n return this._obj[key];\n }\n }]);\n return ObjectMap;\n}();\nvar Map$2 = typeof Map !== 'undefined' ? Map : ObjectMap;\n\n/* global Set */\n\nvar undef = \"undefined\" ;\nvar ObjectSet = /*#__PURE__*/function () {\n function ObjectSet(arrayOrObjectSet) {\n _classCallCheck(this, ObjectSet);\n this._obj = Object.create(null);\n this.size = 0;\n if (arrayOrObjectSet != null) {\n var arr;\n if (arrayOrObjectSet.instanceString != null && arrayOrObjectSet.instanceString() === this.instanceString()) {\n arr = arrayOrObjectSet.toArray();\n } else {\n arr = arrayOrObjectSet;\n }\n for (var i = 0; i < arr.length; i++) {\n this.add(arr[i]);\n }\n }\n }\n _createClass(ObjectSet, [{\n key: \"instanceString\",\n value: function instanceString() {\n return 'set';\n }\n }, {\n key: \"add\",\n value: function add(val) {\n var o = this._obj;\n if (o[val] !== 1) {\n o[val] = 1;\n this.size++;\n }\n }\n }, {\n key: \"delete\",\n value: function _delete(val) {\n var o = this._obj;\n if (o[val] === 1) {\n o[val] = 0;\n this.size--;\n }\n }\n }, {\n key: \"clear\",\n value: function clear() {\n this._obj = Object.create(null);\n }\n }, {\n key: \"has\",\n value: function has(val) {\n return this._obj[val] === 1;\n }\n }, {\n key: \"toArray\",\n value: function toArray() {\n var _this = this;\n return Object.keys(this._obj).filter(function (key) {\n return _this.has(key);\n });\n }\n }, {\n key: \"forEach\",\n value: function forEach(callback, thisArg) {\n return this.toArray().forEach(callback, thisArg);\n }\n }]);\n return ObjectSet;\n}();\nvar Set$1 = (typeof Set === \"undefined\" ? \"undefined\" : _typeof(Set)) !== undef ? Set : ObjectSet;\n\n// represents a node or an edge\nvar Element = function Element(cy, params) {\n var restore = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : true;\n if (cy === undefined || params === undefined || !core(cy)) {\n error('An element must have a core reference and parameters set');\n return;\n }\n var group = params.group;\n\n // try to automatically infer the group if unspecified\n if (group == null) {\n if (params.data && params.data.source != null && params.data.target != null) {\n group = 'edges';\n } else {\n group = 'nodes';\n }\n }\n\n // validate group\n if (group !== 'nodes' && group !== 'edges') {\n error('An element must be of type `nodes` or `edges`; you specified `' + group + '`');\n return;\n }\n\n // make the element array-like, just like a collection\n this.length = 1;\n this[0] = this;\n\n // NOTE: when something is added here, add also to ele.json()\n var _p = this._private = {\n cy: cy,\n single: true,\n // indicates this is an element\n data: params.data || {},\n // data object\n position: params.position || {\n x: 0,\n y: 0\n },\n // (x, y) position pair\n autoWidth: undefined,\n // width and height of nodes calculated by the renderer when set to special 'auto' value\n autoHeight: undefined,\n autoPadding: undefined,\n compoundBoundsClean: false,\n // whether the compound dimensions need to be recalculated the next time dimensions are read\n listeners: [],\n // array of bound listeners\n group: group,\n // string; 'nodes' or 'edges'\n style: {},\n // properties as set by the style\n rstyle: {},\n // properties for style sent from the renderer to the core\n styleCxts: [],\n // applied style contexts from the styler\n styleKeys: {},\n // per-group keys of style property values\n removed: true,\n // whether it's inside the vis; true if removed (set true here since we call restore)\n selected: params.selected ? true : false,\n // whether it's selected\n selectable: params.selectable === undefined ? true : params.selectable ? true : false,\n // whether it's selectable\n locked: params.locked ? true : false,\n // whether the element is locked (cannot be moved)\n grabbed: false,\n // whether the element is grabbed by the mouse; renderer sets this privately\n grabbable: params.grabbable === undefined ? true : params.grabbable ? true : false,\n // whether the element can be grabbed\n pannable: params.pannable === undefined ? group === 'edges' ? true : false : params.pannable ? true : false,\n // whether the element has passthrough panning enabled\n active: false,\n // whether the element is active from user interaction\n classes: new Set$1(),\n // map ( className => true )\n animation: {\n // object for currently-running animations\n current: [],\n queue: []\n },\n rscratch: {},\n // object in which the renderer can store information\n scratch: params.scratch || {},\n // scratch objects\n edges: [],\n // array of connected edges\n children: [],\n // array of children\n parent: params.parent && params.parent.isNode() ? params.parent : null,\n // parent ref\n traversalCache: {},\n // cache of output of traversal functions\n backgrounding: false,\n // whether background images are loading\n bbCache: null,\n // cache of the current bounding box\n bbCacheShift: {\n x: 0,\n y: 0\n },\n // shift applied to cached bb to be applied on next get\n bodyBounds: null,\n // bounds cache of element body, w/o overlay\n overlayBounds: null,\n // bounds cache of element body, including overlay\n labelBounds: {\n // bounds cache of labels\n all: null,\n source: null,\n target: null,\n main: null\n },\n arrowBounds: {\n // bounds cache of edge arrows\n source: null,\n target: null,\n 'mid-source': null,\n 'mid-target': null\n }\n };\n if (_p.position.x == null) {\n _p.position.x = 0;\n }\n if (_p.position.y == null) {\n _p.position.y = 0;\n }\n\n // renderedPosition overrides if specified\n if (params.renderedPosition) {\n var rpos = params.renderedPosition;\n var pan = cy.pan();\n var zoom = cy.zoom();\n _p.position = {\n x: (rpos.x - pan.x) / zoom,\n y: (rpos.y - pan.y) / zoom\n };\n }\n var classes = [];\n if (array(params.classes)) {\n classes = params.classes;\n } else if (string(params.classes)) {\n classes = params.classes.split(/\\s+/);\n }\n for (var i = 0, l = classes.length; i < l; i++) {\n var cls = classes[i];\n if (!cls || cls === '') {\n cont