{"version":3,"file":"shepherd.min.js","sources":["node_modules/deepmerge/dist/cjs.js","src/js/utils/type-check.js","src/js/utils/auto-bind.js","src/js/utils/bind.js","node_modules/@popperjs/core/lib/dom-utils/getNodeName.js","node_modules/@popperjs/core/lib/dom-utils/getWindow.js","node_modules/@popperjs/core/lib/dom-utils/instanceOf.js","node_modules/@popperjs/core/lib/utils/getBasePlacement.js","node_modules/@popperjs/core/lib/dom-utils/getBoundingClientRect.js","node_modules/@popperjs/core/lib/dom-utils/getLayoutRect.js","node_modules/@popperjs/core/lib/dom-utils/contains.js","node_modules/@popperjs/core/lib/dom-utils/getComputedStyle.js","node_modules/@popperjs/core/lib/dom-utils/getDocumentElement.js","node_modules/@popperjs/core/lib/dom-utils/getParentNode.js","node_modules/@popperjs/core/lib/dom-utils/getOffsetParent.js","node_modules/@popperjs/core/lib/dom-utils/isTableElement.js","node_modules/@popperjs/core/lib/utils/getMainAxisFromPlacement.js","node_modules/@popperjs/core/lib/utils/mergePaddingObject.js","node_modules/@popperjs/core/lib/utils/getFreshSideObject.js","node_modules/@popperjs/core/lib/utils/expandToHashMap.js","node_modules/@popperjs/core/lib/utils/getVariation.js","node_modules/@popperjs/core/lib/modifiers/computeStyles.js","node_modules/@popperjs/core/lib/enums.js","node_modules/@popperjs/core/lib/utils/getOppositePlacement.js","node_modules/@popperjs/core/lib/utils/getOppositeVariationPlacement.js","node_modules/@popperjs/core/lib/dom-utils/getWindowScroll.js","node_modules/@popperjs/core/lib/dom-utils/getWindowScrollBarX.js","node_modules/@popperjs/core/lib/dom-utils/isScrollParent.js","node_modules/@popperjs/core/lib/dom-utils/getScrollParent.js","node_modules/@popperjs/core/lib/dom-utils/listScrollParents.js","node_modules/@popperjs/core/lib/utils/rectToClientRect.js","node_modules/@popperjs/core/lib/dom-utils/getClippingRect.js","node_modules/@popperjs/core/lib/dom-utils/getViewportRect.js","node_modules/@popperjs/core/lib/dom-utils/getDocumentRect.js","node_modules/@popperjs/core/lib/utils/computeOffsets.js","node_modules/@popperjs/core/lib/utils/detectOverflow.js","node_modules/@popperjs/core/lib/utils/computeAutoPlacement.js","node_modules/@popperjs/core/lib/modifiers/flip.js","node_modules/@popperjs/core/lib/modifiers/hide.js","node_modules/@popperjs/core/lib/dom-utils/getCompositeRect.js","node_modules/@popperjs/core/lib/dom-utils/getNodeScroll.js","node_modules/@popperjs/core/lib/dom-utils/getHTMLElementScroll.js","node_modules/@popperjs/core/lib/utils/orderModifiers.js","node_modules/@popperjs/core/lib/utils/debounce.js","node_modules/@popperjs/core/lib/utils/mergeByName.js","node_modules/@popperjs/core/lib/createPopper.js","src/js/utils/popper-options.js","src/js/utils/general.js","node_modules/svelte/internal/index.mjs","src/js/components/shepherd-button.svelte","src/js/components/shepherd-footer.svelte","src/js/components/shepherd-cancel-icon.svelte","src/js/components/shepherd-title.svelte","src/js/components/shepherd-header.svelte","src/js/components/shepherd-text.svelte","src/js/components/shepherd-content.svelte","src/js/components/shepherd-element.svelte","src/js/utils/cleanup.js","src/js/components/shepherd-modal.svelte","src/js/utils/overlay-path.js","src/js/evented.js","node_modules/@popperjs/core/lib/utils/math.js","node_modules/@popperjs/core/lib/modifiers/eventListeners.js","node_modules/@popperjs/core/lib/popper.js","node_modules/@popperjs/core/lib/modifiers/popperOffsets.js","node_modules/@popperjs/core/lib/modifiers/applyStyles.js","node_modules/@popperjs/core/lib/modifiers/offset.js","node_modules/@popperjs/core/lib/modifiers/preventOverflow.js","node_modules/@popperjs/core/lib/utils/getAltAxis.js","node_modules/@popperjs/core/lib/utils/within.js","node_modules/@popperjs/core/lib/modifiers/arrow.js","node_modules/smoothscroll-polyfill/dist/smoothscroll.js","src/js/step.js","src/js/tour.js","src/js/shepherd.js"],"sourcesContent":["'use strict';\n\nvar isMergeableObject = function isMergeableObject(value) {\n\treturn isNonNullObject(value)\n\t\t&& !isSpecial(value)\n};\n\nfunction isNonNullObject(value) {\n\treturn !!value && typeof value === 'object'\n}\n\nfunction isSpecial(value) {\n\tvar stringValue = Object.prototype.toString.call(value);\n\n\treturn stringValue === '[object RegExp]'\n\t\t|| stringValue === '[object Date]'\n\t\t|| isReactElement(value)\n}\n\n// see https://github.com/facebook/react/blob/b5ac963fb791d1298e7f396236383bc955f916c1/src/isomorphic/classic/element/ReactElement.js#L21-L25\nvar canUseSymbol = typeof Symbol === 'function' && Symbol.for;\nvar REACT_ELEMENT_TYPE = canUseSymbol ? Symbol.for('react.element') : 0xeac7;\n\nfunction isReactElement(value) {\n\treturn value.$$typeof === REACT_ELEMENT_TYPE\n}\n\nfunction emptyTarget(val) {\n\treturn Array.isArray(val) ? [] : {}\n}\n\nfunction cloneUnlessOtherwiseSpecified(value, options) {\n\treturn (options.clone !== false && options.isMergeableObject(value))\n\t\t? deepmerge(emptyTarget(value), value, options)\n\t\t: value\n}\n\nfunction defaultArrayMerge(target, source, options) {\n\treturn target.concat(source).map(function(element) {\n\t\treturn cloneUnlessOtherwiseSpecified(element, options)\n\t})\n}\n\nfunction getMergeFunction(key, options) {\n\tif (!options.customMerge) {\n\t\treturn deepmerge\n\t}\n\tvar customMerge = options.customMerge(key);\n\treturn typeof customMerge === 'function' ? customMerge : deepmerge\n}\n\nfunction getEnumerableOwnPropertySymbols(target) {\n\treturn Object.getOwnPropertySymbols\n\t\t? Object.getOwnPropertySymbols(target).filter(function(symbol) {\n\t\t\treturn target.propertyIsEnumerable(symbol)\n\t\t})\n\t\t: []\n}\n\nfunction getKeys(target) {\n\treturn Object.keys(target).concat(getEnumerableOwnPropertySymbols(target))\n}\n\nfunction propertyIsOnObject(object, property) {\n\ttry {\n\t\treturn property in object\n\t} catch(_) {\n\t\treturn false\n\t}\n}\n\n// Protects from prototype poisoning and unexpected merging up the prototype chain.\nfunction propertyIsUnsafe(target, key) {\n\treturn propertyIsOnObject(target, key) // Properties are safe to merge if they don't exist in the target yet,\n\t\t&& !(Object.hasOwnProperty.call(target, key) // unsafe if they exist up the prototype chain,\n\t\t\t&& Object.propertyIsEnumerable.call(target, key)) // and also unsafe if they're nonenumerable.\n}\n\nfunction mergeObject(target, source, options) {\n\tvar destination = {};\n\tif (options.isMergeableObject(target)) {\n\t\tgetKeys(target).forEach(function(key) {\n\t\t\tdestination[key] = cloneUnlessOtherwiseSpecified(target[key], options);\n\t\t});\n\t}\n\tgetKeys(source).forEach(function(key) {\n\t\tif (propertyIsUnsafe(target, key)) {\n\t\t\treturn\n\t\t}\n\n\t\tif (propertyIsOnObject(target, key) && options.isMergeableObject(source[key])) {\n\t\t\tdestination[key] = getMergeFunction(key, options)(target[key], source[key], options);\n\t\t} else {\n\t\t\tdestination[key] = cloneUnlessOtherwiseSpecified(source[key], options);\n\t\t}\n\t});\n\treturn destination\n}\n\nfunction deepmerge(target, source, options) {\n\toptions = options || {};\n\toptions.arrayMerge = options.arrayMerge || defaultArrayMerge;\n\toptions.isMergeableObject = options.isMergeableObject || isMergeableObject;\n\t// cloneUnlessOtherwiseSpecified is added to `options` so that custom arrayMerge()\n\t// implementations can use it. The caller may not replace it.\n\toptions.cloneUnlessOtherwiseSpecified = cloneUnlessOtherwiseSpecified;\n\n\tvar sourceIsArray = Array.isArray(source);\n\tvar targetIsArray = Array.isArray(target);\n\tvar sourceAndTargetTypesMatch = sourceIsArray === targetIsArray;\n\n\tif (!sourceAndTargetTypesMatch) {\n\t\treturn cloneUnlessOtherwiseSpecified(source, options)\n\t} else if (sourceIsArray) {\n\t\treturn options.arrayMerge(target, source, options)\n\t} else {\n\t\treturn mergeObject(target, source, options)\n\t}\n}\n\ndeepmerge.all = function deepmergeAll(array, options) {\n\tif (!Array.isArray(array)) {\n\t\tthrow new Error('first argument should be an array')\n\t}\n\n\treturn array.reduce(function(prev, next) {\n\t\treturn deepmerge(prev, next, options)\n\t}, {})\n};\n\nvar deepmerge_1 = deepmerge;\n\nmodule.exports = deepmerge_1;\n","/**\n * Checks if `value` is classified as an `Element`.\n * @param {*} value The param to check if it is an Element\n */\nexport function isElement(value) {\n return value instanceof Element;\n}\n\n/**\n * Checks if `value` is classified as an `HTMLElement`.\n * @param {*} value The param to check if it is an HTMLElement\n */\nexport function isHTMLElement(value) {\n return value instanceof HTMLElement;\n}\n\n/**\n * Checks if `value` is classified as a `Function` object.\n * @param {*} value The param to check if it is a function\n */\nexport function isFunction(value) {\n return typeof value === 'function';\n}\n\n/**\n * Checks if `value` is classified as a `String` object.\n * @param {*} value The param to check if it is a string\n */\nexport function isString(value) {\n return typeof value === 'string';\n}\n\n/**\n * Checks if `value` is undefined.\n * @param {*} value The param to check if it is undefined\n */\nexport function isUndefined(value) {\n return value === undefined;\n}\n","/**\n * Binds all the methods on a JS Class to the `this` context of the class.\n * Adapted from https://github.com/sindresorhus/auto-bind\n * @param {object} self The `this` context of the class\n * @return {object} The `this` context of the class\n */\nexport default function autoBind(self) {\n const keys = Object.getOwnPropertyNames(self.constructor.prototype);\n for (let i = 0; i < keys.length; i++) {\n const key = keys[i];\n const val = self[key];\n if (key !== 'constructor' && typeof val === 'function') {\n self[key] = val.bind(self);\n }\n }\n\n return self;\n}\n","import { isUndefined } from './type-check';\n\n/**\n * Sets up the handler to determine if we should advance the tour\n * @param {string} selector\n * @param {Step} step The step instance\n * @return {Function}\n * @private\n */\nfunction _setupAdvanceOnHandler(selector, step) {\n return (event) => {\n if (step.isOpen()) {\n const targetIsEl = step.el && event.currentTarget === step.el;\n const targetIsSelector =\n !isUndefined(selector) && event.currentTarget.matches(selector);\n\n if (targetIsSelector || targetIsEl) {\n step.tour.next();\n }\n }\n };\n}\n\n/**\n * Bind the event handler for advanceOn\n * @param {Step} step The step instance\n */\nexport function bindAdvance(step) {\n // An empty selector matches the step element\n const { event, selector } = step.options.advanceOn || {};\n if (event) {\n const handler = _setupAdvanceOnHandler(selector, step);\n\n // TODO: this should also bind/unbind on show/hide\n let el;\n try {\n el = document.querySelector(selector);\n } catch (e) {\n // TODO\n }\n if (!isUndefined(selector) && !el) {\n return console.error(\n `No element was found for the selector supplied to advanceOn: ${selector}`\n );\n } else if (el) {\n el.addEventListener(event, handler);\n step.on('destroy', () => {\n return el.removeEventListener(event, handler);\n });\n } else {\n document.body.addEventListener(event, handler, true);\n step.on('destroy', () => {\n return document.body.removeEventListener(event, handler, true);\n });\n }\n } else {\n return console.error(\n 'advanceOn was defined, but no event name was passed.'\n );\n }\n}\n","export default function getNodeName(element) {\n return element ? (element.nodeName || '').toLowerCase() : null;\n}","export default function getWindow(node) {\n if (node == null) {\n return window;\n }\n\n if (node.toString() !== '[object Window]') {\n var ownerDocument = node.ownerDocument;\n return ownerDocument ? ownerDocument.defaultView || window : window;\n }\n\n return node;\n}","import getWindow from \"./getWindow.js\";\n\nfunction isElement(node) {\n var OwnElement = getWindow(node).Element;\n return node instanceof OwnElement || node instanceof Element;\n}\n\nfunction isHTMLElement(node) {\n var OwnElement = getWindow(node).HTMLElement;\n return node instanceof OwnElement || node instanceof HTMLElement;\n}\n\nfunction isShadowRoot(node) {\n // IE 11 has no ShadowRoot\n if (typeof ShadowRoot === 'undefined') {\n return false;\n }\n\n var OwnElement = getWindow(node).ShadowRoot;\n return node instanceof OwnElement || node instanceof ShadowRoot;\n}\n\nexport { isElement, isHTMLElement, isShadowRoot };","import { auto } from \"../enums.js\";\nexport default function getBasePlacement(placement) {\n return placement.split('-')[0];\n}","import { isHTMLElement } from \"./instanceOf.js\";\nimport { round } from \"../utils/math.js\";\nexport default function getBoundingClientRect(element, includeScale) {\n if (includeScale === void 0) {\n includeScale = false;\n }\n\n var rect = element.getBoundingClientRect();\n var scaleX = 1;\n var scaleY = 1;\n\n if (isHTMLElement(element) && includeScale) {\n var offsetHeight = element.offsetHeight;\n var offsetWidth = element.offsetWidth; // Do not attempt to divide by 0, otherwise we get `Infinity` as scale\n // Fallback to 1 in case both values are `0`\n\n if (offsetWidth > 0) {\n scaleX = round(rect.width) / offsetWidth || 1;\n }\n\n if (offsetHeight > 0) {\n scaleY = round(rect.height) / offsetHeight || 1;\n }\n }\n\n return {\n width: rect.width / scaleX,\n height: rect.height / scaleY,\n top: rect.top / scaleY,\n right: rect.right / scaleX,\n bottom: rect.bottom / scaleY,\n left: rect.left / scaleX,\n x: rect.left / scaleX,\n y: rect.top / scaleY\n };\n}","import getBoundingClientRect from \"./getBoundingClientRect.js\"; // Returns the layout rect of an element relative to its offsetParent. Layout\n// means it doesn't take into account transforms.\n\nexport default function getLayoutRect(element) {\n var clientRect = getBoundingClientRect(element); // Use the clientRect sizes if it's not been transformed.\n // Fixes https://github.com/popperjs/popper-core/issues/1223\n\n var width = element.offsetWidth;\n var height = element.offsetHeight;\n\n if (Math.abs(clientRect.width - width) <= 1) {\n width = clientRect.width;\n }\n\n if (Math.abs(clientRect.height - height) <= 1) {\n height = clientRect.height;\n }\n\n return {\n x: element.offsetLeft,\n y: element.offsetTop,\n width: width,\n height: height\n };\n}","import { isShadowRoot } from \"./instanceOf.js\";\nexport default function contains(parent, child) {\n var rootNode = child.getRootNode && child.getRootNode(); // First, attempt with faster native method\n\n if (parent.contains(child)) {\n return true;\n } // then fallback to custom implementation with Shadow DOM support\n else if (rootNode && isShadowRoot(rootNode)) {\n var next = child;\n\n do {\n if (next && parent.isSameNode(next)) {\n return true;\n } // $FlowFixMe[prop-missing]: need a better way to handle this...\n\n\n next = next.parentNode || next.host;\n } while (next);\n } // Give up, the result is false\n\n\n return false;\n}","import getWindow from \"./getWindow.js\";\nexport default function getComputedStyle(element) {\n return getWindow(element).getComputedStyle(element);\n}","import { isElement } from \"./instanceOf.js\";\nexport default function getDocumentElement(element) {\n // $FlowFixMe[incompatible-return]: assume body is always available\n return ((isElement(element) ? element.ownerDocument : // $FlowFixMe[prop-missing]\n element.document) || window.document).documentElement;\n}","import getNodeName from \"./getNodeName.js\";\nimport getDocumentElement from \"./getDocumentElement.js\";\nimport { isShadowRoot } from \"./instanceOf.js\";\nexport default function getParentNode(element) {\n if (getNodeName(element) === 'html') {\n return element;\n }\n\n return (// this is a quicker (but less type safe) way to save quite some bytes from the bundle\n // $FlowFixMe[incompatible-return]\n // $FlowFixMe[prop-missing]\n element.assignedSlot || // step into the shadow DOM of the parent of a slotted node\n element.parentNode || ( // DOM Element detected\n isShadowRoot(element) ? element.host : null) || // ShadowRoot detected\n // $FlowFixMe[incompatible-call]: HTMLElement is a Node\n getDocumentElement(element) // fallback\n\n );\n}","import getWindow from \"./getWindow.js\";\nimport getNodeName from \"./getNodeName.js\";\nimport getComputedStyle from \"./getComputedStyle.js\";\nimport { isHTMLElement, isShadowRoot } from \"./instanceOf.js\";\nimport isTableElement from \"./isTableElement.js\";\nimport getParentNode from \"./getParentNode.js\";\n\nfunction getTrueOffsetParent(element) {\n if (!isHTMLElement(element) || // https://github.com/popperjs/popper-core/issues/837\n getComputedStyle(element).position === 'fixed') {\n return null;\n }\n\n return element.offsetParent;\n} // `.offsetParent` reports `null` for fixed elements, while absolute elements\n// return the containing block\n\n\nfunction getContainingBlock(element) {\n var isFirefox = navigator.userAgent.toLowerCase().indexOf('firefox') !== -1;\n var isIE = navigator.userAgent.indexOf('Trident') !== -1;\n\n if (isIE && isHTMLElement(element)) {\n // In IE 9, 10 and 11 fixed elements containing block is always established by the viewport\n var elementCss = getComputedStyle(element);\n\n if (elementCss.position === 'fixed') {\n return null;\n }\n }\n\n var currentNode = getParentNode(element);\n\n if (isShadowRoot(currentNode)) {\n currentNode = currentNode.host;\n }\n\n while (isHTMLElement(currentNode) && ['html', 'body'].indexOf(getNodeName(currentNode)) < 0) {\n var css = getComputedStyle(currentNode); // This is non-exhaustive but covers the most common CSS properties that\n // create a containing block.\n // https://developer.mozilla.org/en-US/docs/Web/CSS/Containing_block#identifying_the_containing_block\n\n if (css.transform !== 'none' || css.perspective !== 'none' || css.contain === 'paint' || ['transform', 'perspective'].indexOf(css.willChange) !== -1 || isFirefox && css.willChange === 'filter' || isFirefox && css.filter && css.filter !== 'none') {\n return currentNode;\n } else {\n currentNode = currentNode.parentNode;\n }\n }\n\n return null;\n} // Gets the closest ancestor positioned element. Handles some edge cases,\n// such as table ancestors and cross browser bugs.\n\n\nexport default function getOffsetParent(element) {\n var window = getWindow(element);\n var offsetParent = getTrueOffsetParent(element);\n\n while (offsetParent && isTableElement(offsetParent) && getComputedStyle(offsetParent).position === 'static') {\n offsetParent = getTrueOffsetParent(offsetParent);\n }\n\n if (offsetParent && (getNodeName(offsetParent) === 'html' || getNodeName(offsetParent) === 'body' && getComputedStyle(offsetParent).position === 'static')) {\n return window;\n }\n\n return offsetParent || getContainingBlock(element) || window;\n}","import getNodeName from \"./getNodeName.js\";\nexport default function isTableElement(element) {\n return ['table', 'td', 'th'].indexOf(getNodeName(element)) >= 0;\n}","export default function getMainAxisFromPlacement(placement) {\n return ['top', 'bottom'].indexOf(placement) >= 0 ? 'x' : 'y';\n}","import getFreshSideObject from \"./getFreshSideObject.js\";\nexport default function mergePaddingObject(paddingObject) {\n return Object.assign({}, getFreshSideObject(), paddingObject);\n}","export default function getFreshSideObject() {\n return {\n top: 0,\n right: 0,\n bottom: 0,\n left: 0\n };\n}","export default function expandToHashMap(value, keys) {\n return keys.reduce(function (hashMap, key) {\n hashMap[key] = value;\n return hashMap;\n }, {});\n}","export default function getVariation(placement) {\n return placement.split('-')[1];\n}","import { top, left, right, bottom, end } from \"../enums.js\";\nimport getOffsetParent from \"../dom-utils/getOffsetParent.js\";\nimport getWindow from \"../dom-utils/getWindow.js\";\nimport getDocumentElement from \"../dom-utils/getDocumentElement.js\";\nimport getComputedStyle from \"../dom-utils/getComputedStyle.js\";\nimport getBasePlacement from \"../utils/getBasePlacement.js\";\nimport getVariation from \"../utils/getVariation.js\";\nimport { round } from \"../utils/math.js\"; // eslint-disable-next-line import/no-unused-modules\n\nvar unsetSides = {\n top: 'auto',\n right: 'auto',\n bottom: 'auto',\n left: 'auto'\n}; // Round the offsets to the nearest suitable subpixel based on the DPR.\n// Zooming can change the DPR, but it seems to report a value that will\n// cleanly divide the values into the appropriate subpixels.\n\nfunction roundOffsetsByDPR(_ref) {\n var x = _ref.x,\n y = _ref.y;\n var win = window;\n var dpr = win.devicePixelRatio || 1;\n return {\n x: round(x * dpr) / dpr || 0,\n y: round(y * dpr) / dpr || 0\n };\n}\n\nexport function mapToStyles(_ref2) {\n var _Object$assign2;\n\n var popper = _ref2.popper,\n popperRect = _ref2.popperRect,\n placement = _ref2.placement,\n variation = _ref2.variation,\n offsets = _ref2.offsets,\n position = _ref2.position,\n gpuAcceleration = _ref2.gpuAcceleration,\n adaptive = _ref2.adaptive,\n roundOffsets = _ref2.roundOffsets,\n isFixed = _ref2.isFixed;\n var _offsets$x = offsets.x,\n x = _offsets$x === void 0 ? 0 : _offsets$x,\n _offsets$y = offsets.y,\n y = _offsets$y === void 0 ? 0 : _offsets$y;\n\n var _ref3 = typeof roundOffsets === 'function' ? roundOffsets({\n x: x,\n y: y\n }) : {\n x: x,\n y: y\n };\n\n x = _ref3.x;\n y = _ref3.y;\n var hasX = offsets.hasOwnProperty('x');\n var hasY = offsets.hasOwnProperty('y');\n var sideX = left;\n var sideY = top;\n var win = window;\n\n if (adaptive) {\n var offsetParent = getOffsetParent(popper);\n var heightProp = 'clientHeight';\n var widthProp = 'clientWidth';\n\n if (offsetParent === getWindow(popper)) {\n offsetParent = getDocumentElement(popper);\n\n if (getComputedStyle(offsetParent).position !== 'static' && position === 'absolute') {\n heightProp = 'scrollHeight';\n widthProp = 'scrollWidth';\n }\n } // $FlowFixMe[incompatible-cast]: force type refinement, we compare offsetParent with window above, but Flow doesn't detect it\n\n\n offsetParent = offsetParent;\n\n if (placement === top || (placement === left || placement === right) && variation === end) {\n sideY = bottom;\n var offsetY = isFixed && offsetParent === win && win.visualViewport ? win.visualViewport.height : // $FlowFixMe[prop-missing]\n offsetParent[heightProp];\n y -= offsetY - popperRect.height;\n y *= gpuAcceleration ? 1 : -1;\n }\n\n if (placement === left || (placement === top || placement === bottom) && variation === end) {\n sideX = right;\n var offsetX = isFixed && offsetParent === win && win.visualViewport ? win.visualViewport.width : // $FlowFixMe[prop-missing]\n offsetParent[widthProp];\n x -= offsetX - popperRect.width;\n x *= gpuAcceleration ? 1 : -1;\n }\n }\n\n var commonStyles = Object.assign({\n position: position\n }, adaptive && unsetSides);\n\n var _ref4 = roundOffsets === true ? roundOffsetsByDPR({\n x: x,\n y: y\n }) : {\n x: x,\n y: y\n };\n\n x = _ref4.x;\n y = _ref4.y;\n\n if (gpuAcceleration) {\n var _Object$assign;\n\n return Object.assign({}, commonStyles, (_Object$assign = {}, _Object$assign[sideY] = hasY ? '0' : '', _Object$assign[sideX] = hasX ? '0' : '', _Object$assign.transform = (win.devicePixelRatio || 1) <= 1 ? \"translate(\" + x + \"px, \" + y + \"px)\" : \"translate3d(\" + x + \"px, \" + y + \"px, 0)\", _Object$assign));\n }\n\n return Object.assign({}, commonStyles, (_Object$assign2 = {}, _Object$assign2[sideY] = hasY ? y + \"px\" : '', _Object$assign2[sideX] = hasX ? x + \"px\" : '', _Object$assign2.transform = '', _Object$assign2));\n}\n\nfunction computeStyles(_ref5) {\n var state = _ref5.state,\n options = _ref5.options;\n var _options$gpuAccelerat = options.gpuAcceleration,\n gpuAcceleration = _options$gpuAccelerat === void 0 ? true : _options$gpuAccelerat,\n _options$adaptive = options.adaptive,\n adaptive = _options$adaptive === void 0 ? true : _options$adaptive,\n _options$roundOffsets = options.roundOffsets,\n roundOffsets = _options$roundOffsets === void 0 ? true : _options$roundOffsets;\n\n if (process.env.NODE_ENV !== \"production\") {\n var transitionProperty = getComputedStyle(state.elements.popper).transitionProperty || '';\n\n if (adaptive && ['transform', 'top', 'right', 'bottom', 'left'].some(function (property) {\n return transitionProperty.indexOf(property) >= 0;\n })) {\n console.warn(['Popper: Detected CSS transitions on at least one of the following', 'CSS properties: \"transform\", \"top\", \"right\", \"bottom\", \"left\".', '\\n\\n', 'Disable the \"computeStyles\" modifier\\'s `adaptive` option to allow', 'for smooth transitions, or remove these properties from the CSS', 'transition declaration on the popper element if only transitioning', 'opacity or background-color for example.', '\\n\\n', 'We recommend using the popper element as a wrapper around an inner', 'element that can have any CSS property transitioned for animations.'].join(' '));\n }\n }\n\n var commonStyles = {\n placement: getBasePlacement(state.placement),\n variation: getVariation(state.placement),\n popper: state.elements.popper,\n popperRect: state.rects.popper,\n gpuAcceleration: gpuAcceleration,\n isFixed: state.options.strategy === 'fixed'\n };\n\n if (state.modifiersData.popperOffsets != null) {\n state.styles.popper = Object.assign({}, state.styles.popper, mapToStyles(Object.assign({}, commonStyles, {\n offsets: state.modifiersData.popperOffsets,\n position: state.options.strategy,\n adaptive: adaptive,\n roundOffsets: roundOffsets\n })));\n }\n\n if (state.modifiersData.arrow != null) {\n state.styles.arrow = Object.assign({}, state.styles.arrow, mapToStyles(Object.assign({}, commonStyles, {\n offsets: state.modifiersData.arrow,\n position: 'absolute',\n adaptive: false,\n roundOffsets: roundOffsets\n })));\n }\n\n state.attributes.popper = Object.assign({}, state.attributes.popper, {\n 'data-popper-placement': state.placement\n });\n} // eslint-disable-next-line import/no-unused-modules\n\n\nexport default {\n name: 'computeStyles',\n enabled: true,\n phase: 'beforeWrite',\n fn: computeStyles,\n data: {}\n};","export var top = 'top';\nexport var bottom = 'bottom';\nexport var right = 'right';\nexport var left = 'left';\nexport var auto = 'auto';\nexport var basePlacements = [top, bottom, right, left];\nexport var start = 'start';\nexport var end = 'end';\nexport var clippingParents = 'clippingParents';\nexport var viewport = 'viewport';\nexport var popper = 'popper';\nexport var reference = 'reference';\nexport var variationPlacements = /*#__PURE__*/basePlacements.reduce(function (acc, placement) {\n return acc.concat([placement + \"-\" + start, placement + \"-\" + end]);\n}, []);\nexport var placements = /*#__PURE__*/[].concat(basePlacements, [auto]).reduce(function (acc, placement) {\n return acc.concat([placement, placement + \"-\" + start, placement + \"-\" + end]);\n}, []); // modifiers that need to read the DOM\n\nexport var beforeRead = 'beforeRead';\nexport var read = 'read';\nexport var afterRead = 'afterRead'; // pure-logic modifiers\n\nexport var beforeMain = 'beforeMain';\nexport var main = 'main';\nexport var afterMain = 'afterMain'; // modifier with the purpose to write to the DOM (or write into a framework state)\n\nexport var beforeWrite = 'beforeWrite';\nexport var write = 'write';\nexport var afterWrite = 'afterWrite';\nexport var modifierPhases = [beforeRead, read, afterRead, beforeMain, main, afterMain, beforeWrite, write, afterWrite];","var hash = {\n left: 'right',\n right: 'left',\n bottom: 'top',\n top: 'bottom'\n};\nexport default function getOppositePlacement(placement) {\n return placement.replace(/left|right|bottom|top/g, function (matched) {\n return hash[matched];\n });\n}","var hash = {\n start: 'end',\n end: 'start'\n};\nexport default function getOppositeVariationPlacement(placement) {\n return placement.replace(/start|end/g, function (matched) {\n return hash[matched];\n });\n}","import getWindow from \"./getWindow.js\";\nexport default function getWindowScroll(node) {\n var win = getWindow(node);\n var scrollLeft = win.pageXOffset;\n var scrollTop = win.pageYOffset;\n return {\n scrollLeft: scrollLeft,\n scrollTop: scrollTop\n };\n}","import getBoundingClientRect from \"./getBoundingClientRect.js\";\nimport getDocumentElement from \"./getDocumentElement.js\";\nimport getWindowScroll from \"./getWindowScroll.js\";\nexport default function getWindowScrollBarX(element) {\n // If has a CSS width greater than the viewport, then this will be\n // incorrect for RTL.\n // Popper 1 is broken in this case and never had a bug report so let's assume\n // it's not an issue. I don't think anyone ever specifies width on \n // anyway.\n // Browsers where the left scrollbar doesn't cause an issue report `0` for\n // this (e.g. Edge 2019, IE11, Safari)\n return getBoundingClientRect(getDocumentElement(element)).left + getWindowScroll(element).scrollLeft;\n}","import getComputedStyle from \"./getComputedStyle.js\";\nexport default function isScrollParent(element) {\n // Firefox wants us to check `-x` and `-y` variations as well\n var _getComputedStyle = getComputedStyle(element),\n overflow = _getComputedStyle.overflow,\n overflowX = _getComputedStyle.overflowX,\n overflowY = _getComputedStyle.overflowY;\n\n return /auto|scroll|overlay|hidden/.test(overflow + overflowY + overflowX);\n}","import getParentNode from \"./getParentNode.js\";\nimport isScrollParent from \"./isScrollParent.js\";\nimport getNodeName from \"./getNodeName.js\";\nimport { isHTMLElement } from \"./instanceOf.js\";\nexport default function getScrollParent(node) {\n if (['html', 'body', '#document'].indexOf(getNodeName(node)) >= 0) {\n // $FlowFixMe[incompatible-return]: assume body is always available\n return node.ownerDocument.body;\n }\n\n if (isHTMLElement(node) && isScrollParent(node)) {\n return node;\n }\n\n return getScrollParent(getParentNode(node));\n}","import getScrollParent from \"./getScrollParent.js\";\nimport getParentNode from \"./getParentNode.js\";\nimport getWindow from \"./getWindow.js\";\nimport isScrollParent from \"./isScrollParent.js\";\n/*\ngiven a DOM element, return the list of all scroll parents, up the list of ancesors\nuntil we get to the top window object. This list is what we attach scroll listeners\nto, because if any of these parent elements scroll, we'll need to re-calculate the\nreference element's position.\n*/\n\nexport default function listScrollParents(element, list) {\n var _element$ownerDocumen;\n\n if (list === void 0) {\n list = [];\n }\n\n var scrollParent = getScrollParent(element);\n var isBody = scrollParent === ((_element$ownerDocumen = element.ownerDocument) == null ? void 0 : _element$ownerDocumen.body);\n var win = getWindow(scrollParent);\n var target = isBody ? [win].concat(win.visualViewport || [], isScrollParent(scrollParent) ? scrollParent : []) : scrollParent;\n var updatedList = list.concat(target);\n return isBody ? updatedList : // $FlowFixMe[incompatible-call]: isBody tells us target will be an HTMLElement here\n updatedList.concat(listScrollParents(getParentNode(target)));\n}","export default function rectToClientRect(rect) {\n return Object.assign({}, rect, {\n left: rect.x,\n top: rect.y,\n right: rect.x + rect.width,\n bottom: rect.y + rect.height\n });\n}","import { viewport } from \"../enums.js\";\nimport getViewportRect from \"./getViewportRect.js\";\nimport getDocumentRect from \"./getDocumentRect.js\";\nimport listScrollParents from \"./listScrollParents.js\";\nimport getOffsetParent from \"./getOffsetParent.js\";\nimport getDocumentElement from \"./getDocumentElement.js\";\nimport getComputedStyle from \"./getComputedStyle.js\";\nimport { isElement, isHTMLElement } from \"./instanceOf.js\";\nimport getBoundingClientRect from \"./getBoundingClientRect.js\";\nimport getParentNode from \"./getParentNode.js\";\nimport contains from \"./contains.js\";\nimport getNodeName from \"./getNodeName.js\";\nimport rectToClientRect from \"../utils/rectToClientRect.js\";\nimport { max, min } from \"../utils/math.js\";\n\nfunction getInnerBoundingClientRect(element) {\n var rect = getBoundingClientRect(element);\n rect.top = rect.top + element.clientTop;\n rect.left = rect.left + element.clientLeft;\n rect.bottom = rect.top + element.clientHeight;\n rect.right = rect.left + element.clientWidth;\n rect.width = element.clientWidth;\n rect.height = element.clientHeight;\n rect.x = rect.left;\n rect.y = rect.top;\n return rect;\n}\n\nfunction getClientRectFromMixedType(element, clippingParent) {\n return clippingParent === viewport ? rectToClientRect(getViewportRect(element)) : isElement(clippingParent) ? getInnerBoundingClientRect(clippingParent) : rectToClientRect(getDocumentRect(getDocumentElement(element)));\n} // A \"clipping parent\" is an overflowable container with the characteristic of\n// clipping (or hiding) overflowing elements with a position different from\n// `initial`\n\n\nfunction getClippingParents(element) {\n var clippingParents = listScrollParents(getParentNode(element));\n var canEscapeClipping = ['absolute', 'fixed'].indexOf(getComputedStyle(element).position) >= 0;\n var clipperElement = canEscapeClipping && isHTMLElement(element) ? getOffsetParent(element) : element;\n\n if (!isElement(clipperElement)) {\n return [];\n } // $FlowFixMe[incompatible-return]: https://github.com/facebook/flow/issues/1414\n\n\n return clippingParents.filter(function (clippingParent) {\n return isElement(clippingParent) && contains(clippingParent, clipperElement) && getNodeName(clippingParent) !== 'body';\n });\n} // Gets the maximum area that the element is visible in due to any number of\n// clipping parents\n\n\nexport default function getClippingRect(element, boundary, rootBoundary) {\n var mainClippingParents = boundary === 'clippingParents' ? getClippingParents(element) : [].concat(boundary);\n var clippingParents = [].concat(mainClippingParents, [rootBoundary]);\n var firstClippingParent = clippingParents[0];\n var clippingRect = clippingParents.reduce(function (accRect, clippingParent) {\n var rect = getClientRectFromMixedType(element, clippingParent);\n accRect.top = max(rect.top, accRect.top);\n accRect.right = min(rect.right, accRect.right);\n accRect.bottom = min(rect.bottom, accRect.bottom);\n accRect.left = max(rect.left, accRect.left);\n return accRect;\n }, getClientRectFromMixedType(element, firstClippingParent));\n clippingRect.width = clippingRect.right - clippingRect.left;\n clippingRect.height = clippingRect.bottom - clippingRect.top;\n clippingRect.x = clippingRect.left;\n clippingRect.y = clippingRect.top;\n return clippingRect;\n}","import getWindow from \"./getWindow.js\";\nimport getDocumentElement from \"./getDocumentElement.js\";\nimport getWindowScrollBarX from \"./getWindowScrollBarX.js\";\nexport default function getViewportRect(element) {\n var win = getWindow(element);\n var html = getDocumentElement(element);\n var visualViewport = win.visualViewport;\n var width = html.clientWidth;\n var height = html.clientHeight;\n var x = 0;\n var y = 0; // NB: This isn't supported on iOS <= 12. If the keyboard is open, the popper\n // can be obscured underneath it.\n // Also, `html.clientHeight` adds the bottom bar height in Safari iOS, even\n // if it isn't open, so if this isn't available, the popper will be detected\n // to overflow the bottom of the screen too early.\n\n if (visualViewport) {\n width = visualViewport.width;\n height = visualViewport.height; // Uses Layout Viewport (like Chrome; Safari does not currently)\n // In Chrome, it returns a value very close to 0 (+/-) but contains rounding\n // errors due to floating point numbers, so we need to check precision.\n // Safari returns a number <= 0, usually < -1 when pinch-zoomed\n // Feature detection fails in mobile emulation mode in Chrome.\n // Math.abs(win.innerWidth / visualViewport.scale - visualViewport.width) <\n // 0.001\n // Fallback here: \"Not Safari\" userAgent\n\n if (!/^((?!chrome|android).)*safari/i.test(navigator.userAgent)) {\n x = visualViewport.offsetLeft;\n y = visualViewport.offsetTop;\n }\n }\n\n return {\n width: width,\n height: height,\n x: x + getWindowScrollBarX(element),\n y: y\n };\n}","import getDocumentElement from \"./getDocumentElement.js\";\nimport getComputedStyle from \"./getComputedStyle.js\";\nimport getWindowScrollBarX from \"./getWindowScrollBarX.js\";\nimport getWindowScroll from \"./getWindowScroll.js\";\nimport { max } from \"../utils/math.js\"; // Gets the entire size of the scrollable document area, even extending outside\n// of the `` and `
` rect bounds if horizontally scrollable\n\nexport default function getDocumentRect(element) {\n var _element$ownerDocumen;\n\n var html = getDocumentElement(element);\n var winScroll = getWindowScroll(element);\n var body = (_element$ownerDocumen = element.ownerDocument) == null ? void 0 : _element$ownerDocumen.body;\n var width = max(html.scrollWidth, html.clientWidth, body ? body.scrollWidth : 0, body ? body.clientWidth : 0);\n var height = max(html.scrollHeight, html.clientHeight, body ? body.scrollHeight : 0, body ? body.clientHeight : 0);\n var x = -winScroll.scrollLeft + getWindowScrollBarX(element);\n var y = -winScroll.scrollTop;\n\n if (getComputedStyle(body || html).direction === 'rtl') {\n x += max(html.clientWidth, body ? body.clientWidth : 0) - width;\n }\n\n return {\n width: width,\n height: height,\n x: x,\n y: y\n };\n}","import getBasePlacement from \"./getBasePlacement.js\";\nimport getVariation from \"./getVariation.js\";\nimport getMainAxisFromPlacement from \"./getMainAxisFromPlacement.js\";\nimport { top, right, bottom, left, start, end } from \"../enums.js\";\nexport default function computeOffsets(_ref) {\n var reference = _ref.reference,\n element = _ref.element,\n placement = _ref.placement;\n var basePlacement = placement ? getBasePlacement(placement) : null;\n var variation = placement ? getVariation(placement) : null;\n var commonX = reference.x + reference.width / 2 - element.width / 2;\n var commonY = reference.y + reference.height / 2 - element.height / 2;\n var offsets;\n\n switch (basePlacement) {\n case top:\n offsets = {\n x: commonX,\n y: reference.y - element.height\n };\n break;\n\n case bottom:\n offsets = {\n x: commonX,\n y: reference.y + reference.height\n };\n break;\n\n case right:\n offsets = {\n x: reference.x + reference.width,\n y: commonY\n };\n break;\n\n case left:\n offsets = {\n x: reference.x - element.width,\n y: commonY\n };\n break;\n\n default:\n offsets = {\n x: reference.x,\n y: reference.y\n };\n }\n\n var mainAxis = basePlacement ? getMainAxisFromPlacement(basePlacement) : null;\n\n if (mainAxis != null) {\n var len = mainAxis === 'y' ? 'height' : 'width';\n\n switch (variation) {\n case start:\n offsets[mainAxis] = offsets[mainAxis] - (reference[len] / 2 - element[len] / 2);\n break;\n\n case end:\n offsets[mainAxis] = offsets[mainAxis] + (reference[len] / 2 - element[len] / 2);\n break;\n\n default:\n }\n }\n\n return offsets;\n}","import getClippingRect from \"../dom-utils/getClippingRect.js\";\nimport getDocumentElement from \"../dom-utils/getDocumentElement.js\";\nimport getBoundingClientRect from \"../dom-utils/getBoundingClientRect.js\";\nimport computeOffsets from \"./computeOffsets.js\";\nimport rectToClientRect from \"./rectToClientRect.js\";\nimport { clippingParents, reference, popper, bottom, top, right, basePlacements, viewport } from \"../enums.js\";\nimport { isElement } from \"../dom-utils/instanceOf.js\";\nimport mergePaddingObject from \"./mergePaddingObject.js\";\nimport expandToHashMap from \"./expandToHashMap.js\"; // eslint-disable-next-line import/no-unused-modules\n\nexport default function detectOverflow(state, options) {\n if (options === void 0) {\n options = {};\n }\n\n var _options = options,\n _options$placement = _options.placement,\n placement = _options$placement === void 0 ? state.placement : _options$placement,\n _options$boundary = _options.boundary,\n boundary = _options$boundary === void 0 ? clippingParents : _options$boundary,\n _options$rootBoundary = _options.rootBoundary,\n rootBoundary = _options$rootBoundary === void 0 ? viewport : _options$rootBoundary,\n _options$elementConte = _options.elementContext,\n elementContext = _options$elementConte === void 0 ? popper : _options$elementConte,\n _options$altBoundary = _options.altBoundary,\n altBoundary = _options$altBoundary === void 0 ? false : _options$altBoundary,\n _options$padding = _options.padding,\n padding = _options$padding === void 0 ? 0 : _options$padding;\n var paddingObject = mergePaddingObject(typeof padding !== 'number' ? padding : expandToHashMap(padding, basePlacements));\n var altContext = elementContext === popper ? reference : popper;\n var popperRect = state.rects.popper;\n var element = state.elements[altBoundary ? altContext : elementContext];\n var clippingClientRect = getClippingRect(isElement(element) ? element : element.contextElement || getDocumentElement(state.elements.popper), boundary, rootBoundary);\n var referenceClientRect = getBoundingClientRect(state.elements.reference);\n var popperOffsets = computeOffsets({\n reference: referenceClientRect,\n element: popperRect,\n strategy: 'absolute',\n placement: placement\n });\n var popperClientRect = rectToClientRect(Object.assign({}, popperRect, popperOffsets));\n var elementClientRect = elementContext === popper ? popperClientRect : referenceClientRect; // positive = overflowing the clipping rect\n // 0 or negative = within the clipping rect\n\n var overflowOffsets = {\n top: clippingClientRect.top - elementClientRect.top + paddingObject.top,\n bottom: elementClientRect.bottom - clippingClientRect.bottom + paddingObject.bottom,\n left: clippingClientRect.left - elementClientRect.left + paddingObject.left,\n right: elementClientRect.right - clippingClientRect.right + paddingObject.right\n };\n var offsetData = state.modifiersData.offset; // Offsets can be applied only to the popper element\n\n if (elementContext === popper && offsetData) {\n var offset = offsetData[placement];\n Object.keys(overflowOffsets).forEach(function (key) {\n var multiply = [right, bottom].indexOf(key) >= 0 ? 1 : -1;\n var axis = [top, bottom].indexOf(key) >= 0 ? 'y' : 'x';\n overflowOffsets[key] += offset[axis] * multiply;\n });\n }\n\n return overflowOffsets;\n}","import getVariation from \"./getVariation.js\";\nimport { variationPlacements, basePlacements, placements as allPlacements } from \"../enums.js\";\nimport detectOverflow from \"./detectOverflow.js\";\nimport getBasePlacement from \"./getBasePlacement.js\";\nexport default function computeAutoPlacement(state, options) {\n if (options === void 0) {\n options = {};\n }\n\n var _options = options,\n placement = _options.placement,\n boundary = _options.boundary,\n rootBoundary = _options.rootBoundary,\n padding = _options.padding,\n flipVariations = _options.flipVariations,\n _options$allowedAutoP = _options.allowedAutoPlacements,\n allowedAutoPlacements = _options$allowedAutoP === void 0 ? allPlacements : _options$allowedAutoP;\n var variation = getVariation(placement);\n var placements = variation ? flipVariations ? variationPlacements : variationPlacements.filter(function (placement) {\n return getVariation(placement) === variation;\n }) : basePlacements;\n var allowedPlacements = placements.filter(function (placement) {\n return allowedAutoPlacements.indexOf(placement) >= 0;\n });\n\n if (allowedPlacements.length === 0) {\n allowedPlacements = placements;\n\n if (process.env.NODE_ENV !== \"production\") {\n console.error(['Popper: The `allowedAutoPlacements` option did not allow any', 'placements. Ensure the `placement` option matches the variation', 'of the allowed placements.', 'For example, \"auto\" cannot be used to allow \"bottom-start\".', 'Use \"auto-start\" instead.'].join(' '));\n }\n } // $FlowFixMe[incompatible-type]: Flow seems to have problems with two array unions...\n\n\n var overflows = allowedPlacements.reduce(function (acc, placement) {\n acc[placement] = detectOverflow(state, {\n placement: placement,\n boundary: boundary,\n rootBoundary: rootBoundary,\n padding: padding\n })[getBasePlacement(placement)];\n return acc;\n }, {});\n return Object.keys(overflows).sort(function (a, b) {\n return overflows[a] - overflows[b];\n });\n}","import getOppositePlacement from \"../utils/getOppositePlacement.js\";\nimport getBasePlacement from \"../utils/getBasePlacement.js\";\nimport getOppositeVariationPlacement from \"../utils/getOppositeVariationPlacement.js\";\nimport detectOverflow from \"../utils/detectOverflow.js\";\nimport computeAutoPlacement from \"../utils/computeAutoPlacement.js\";\nimport { bottom, top, start, right, left, auto } from \"../enums.js\";\nimport getVariation from \"../utils/getVariation.js\"; // eslint-disable-next-line import/no-unused-modules\n\nfunction getExpandedFallbackPlacements(placement) {\n if (getBasePlacement(placement) === auto) {\n return [];\n }\n\n var oppositePlacement = getOppositePlacement(placement);\n return [getOppositeVariationPlacement(placement), oppositePlacement, getOppositeVariationPlacement(oppositePlacement)];\n}\n\nfunction flip(_ref) {\n var state = _ref.state,\n options = _ref.options,\n name = _ref.name;\n\n if (state.modifiersData[name]._skip) {\n return;\n }\n\n var _options$mainAxis = options.mainAxis,\n checkMainAxis = _options$mainAxis === void 0 ? true : _options$mainAxis,\n _options$altAxis = options.altAxis,\n checkAltAxis = _options$altAxis === void 0 ? true : _options$altAxis,\n specifiedFallbackPlacements = options.fallbackPlacements,\n padding = options.padding,\n boundary = options.boundary,\n rootBoundary = options.rootBoundary,\n altBoundary = options.altBoundary,\n _options$flipVariatio = options.flipVariations,\n flipVariations = _options$flipVariatio === void 0 ? true : _options$flipVariatio,\n allowedAutoPlacements = options.allowedAutoPlacements;\n var preferredPlacement = state.options.placement;\n var basePlacement = getBasePlacement(preferredPlacement);\n var isBasePlacement = basePlacement === preferredPlacement;\n var fallbackPlacements = specifiedFallbackPlacements || (isBasePlacement || !flipVariations ? [getOppositePlacement(preferredPlacement)] : getExpandedFallbackPlacements(preferredPlacement));\n var placements = [preferredPlacement].concat(fallbackPlacements).reduce(function (acc, placement) {\n return acc.concat(getBasePlacement(placement) === auto ? computeAutoPlacement(state, {\n placement: placement,\n boundary: boundary,\n rootBoundary: rootBoundary,\n padding: padding,\n flipVariations: flipVariations,\n allowedAutoPlacements: allowedAutoPlacements\n }) : placement);\n }, []);\n var referenceRect = state.rects.reference;\n var popperRect = state.rects.popper;\n var checksMap = new Map();\n var makeFallbackChecks = true;\n var firstFittingPlacement = placements[0];\n\n for (var i = 0; i < placements.length; i++) {\n var placement = placements[i];\n\n var _basePlacement = getBasePlacement(placement);\n\n var isStartVariation = getVariation(placement) === start;\n var isVertical = [top, bottom].indexOf(_basePlacement) >= 0;\n var len = isVertical ? 'width' : 'height';\n var overflow = detectOverflow(state, {\n placement: placement,\n boundary: boundary,\n rootBoundary: rootBoundary,\n altBoundary: altBoundary,\n padding: padding\n });\n var mainVariationSide = isVertical ? isStartVariation ? right : left : isStartVariation ? bottom : top;\n\n if (referenceRect[len] > popperRect[len]) {\n mainVariationSide = getOppositePlacement(mainVariationSide);\n }\n\n var altVariationSide = getOppositePlacement(mainVariationSide);\n var checks = [];\n\n if (checkMainAxis) {\n checks.push(overflow[_basePlacement] <= 0);\n }\n\n if (checkAltAxis) {\n checks.push(overflow[mainVariationSide] <= 0, overflow[altVariationSide] <= 0);\n }\n\n if (checks.every(function (check) {\n return check;\n })) {\n firstFittingPlacement = placement;\n makeFallbackChecks = false;\n break;\n }\n\n checksMap.set(placement, checks);\n }\n\n if (makeFallbackChecks) {\n // `2` may be desired in some cases – research later\n var numberOfChecks = flipVariations ? 3 : 1;\n\n var _loop = function _loop(_i) {\n var fittingPlacement = placements.find(function (placement) {\n var checks = checksMap.get(placement);\n\n if (checks) {\n return checks.slice(0, _i).every(function (check) {\n return check;\n });\n }\n });\n\n if (fittingPlacement) {\n firstFittingPlacement = fittingPlacement;\n return \"break\";\n }\n };\n\n for (var _i = numberOfChecks; _i > 0; _i--) {\n var _ret = _loop(_i);\n\n if (_ret === \"break\") break;\n }\n }\n\n if (state.placement !== firstFittingPlacement) {\n state.modifiersData[name]._skip = true;\n state.placement = firstFittingPlacement;\n state.reset = true;\n }\n} // eslint-disable-next-line import/no-unused-modules\n\n\nexport default {\n name: 'flip',\n enabled: true,\n phase: 'main',\n fn: flip,\n requiresIfExists: ['offset'],\n data: {\n _skip: false\n }\n};","import { top, bottom, left, right } from \"../enums.js\";\nimport detectOverflow from \"../utils/detectOverflow.js\";\n\nfunction getSideOffsets(overflow, rect, preventedOffsets) {\n if (preventedOffsets === void 0) {\n preventedOffsets = {\n x: 0,\n y: 0\n };\n }\n\n return {\n top: overflow.top - rect.height - preventedOffsets.y,\n right: overflow.right - rect.width + preventedOffsets.x,\n bottom: overflow.bottom - rect.height + preventedOffsets.y,\n left: overflow.left - rect.width - preventedOffsets.x\n };\n}\n\nfunction isAnySideFullyClipped(overflow) {\n return [top, right, bottom, left].some(function (side) {\n return overflow[side] >= 0;\n });\n}\n\nfunction hide(_ref) {\n var state = _ref.state,\n name = _ref.name;\n var referenceRect = state.rects.reference;\n var popperRect = state.rects.popper;\n var preventedOffsets = state.modifiersData.preventOverflow;\n var referenceOverflow = detectOverflow(state, {\n elementContext: 'reference'\n });\n var popperAltOverflow = detectOverflow(state, {\n altBoundary: true\n });\n var referenceClippingOffsets = getSideOffsets(referenceOverflow, referenceRect);\n var popperEscapeOffsets = getSideOffsets(popperAltOverflow, popperRect, preventedOffsets);\n var isReferenceHidden = isAnySideFullyClipped(referenceClippingOffsets);\n var hasPopperEscaped = isAnySideFullyClipped(popperEscapeOffsets);\n state.modifiersData[name] = {\n referenceClippingOffsets: referenceClippingOffsets,\n popperEscapeOffsets: popperEscapeOffsets,\n isReferenceHidden: isReferenceHidden,\n hasPopperEscaped: hasPopperEscaped\n };\n state.attributes.popper = Object.assign({}, state.attributes.popper, {\n 'data-popper-reference-hidden': isReferenceHidden,\n 'data-popper-escaped': hasPopperEscaped\n });\n} // eslint-disable-next-line import/no-unused-modules\n\n\nexport default {\n name: 'hide',\n enabled: true,\n phase: 'main',\n requiresIfExists: ['preventOverflow'],\n fn: hide\n};","import getBoundingClientRect from \"./getBoundingClientRect.js\";\nimport getNodeScroll from \"./getNodeScroll.js\";\nimport getNodeName from \"./getNodeName.js\";\nimport { isHTMLElement } from \"./instanceOf.js\";\nimport getWindowScrollBarX from \"./getWindowScrollBarX.js\";\nimport getDocumentElement from \"./getDocumentElement.js\";\nimport isScrollParent from \"./isScrollParent.js\";\nimport { round } from \"../utils/math.js\";\n\nfunction isElementScaled(element) {\n var rect = element.getBoundingClientRect();\n var scaleX = round(rect.width) / element.offsetWidth || 1;\n var scaleY = round(rect.height) / element.offsetHeight || 1;\n return scaleX !== 1 || scaleY !== 1;\n} // Returns the composite rect of an element relative to its offsetParent.\n// Composite means it takes into account transforms as well as layout.\n\n\nexport default function getCompositeRect(elementOrVirtualElement, offsetParent, isFixed) {\n if (isFixed === void 0) {\n isFixed = false;\n }\n\n var isOffsetParentAnElement = isHTMLElement(offsetParent);\n var offsetParentIsScaled = isHTMLElement(offsetParent) && isElementScaled(offsetParent);\n var documentElement = getDocumentElement(offsetParent);\n var rect = getBoundingClientRect(elementOrVirtualElement, offsetParentIsScaled);\n var scroll = {\n scrollLeft: 0,\n scrollTop: 0\n };\n var offsets = {\n x: 0,\n y: 0\n };\n\n if (isOffsetParentAnElement || !isOffsetParentAnElement && !isFixed) {\n if (getNodeName(offsetParent) !== 'body' || // https://github.com/popperjs/popper-core/issues/1078\n isScrollParent(documentElement)) {\n scroll = getNodeScroll(offsetParent);\n }\n\n if (isHTMLElement(offsetParent)) {\n offsets = getBoundingClientRect(offsetParent, true);\n offsets.x += offsetParent.clientLeft;\n offsets.y += offsetParent.clientTop;\n } else if (documentElement) {\n offsets.x = getWindowScrollBarX(documentElement);\n }\n }\n\n return {\n x: rect.left + scroll.scrollLeft - offsets.x,\n y: rect.top + scroll.scrollTop - offsets.y,\n width: rect.width,\n height: rect.height\n };\n}","import getWindowScroll from \"./getWindowScroll.js\";\nimport getWindow from \"./getWindow.js\";\nimport { isHTMLElement } from \"./instanceOf.js\";\nimport getHTMLElementScroll from \"./getHTMLElementScroll.js\";\nexport default function getNodeScroll(node) {\n if (node === getWindow(node) || !isHTMLElement(node)) {\n return getWindowScroll(node);\n } else {\n return getHTMLElementScroll(node);\n }\n}","export default function getHTMLElementScroll(element) {\n return {\n scrollLeft: element.scrollLeft,\n scrollTop: element.scrollTop\n };\n}","import { modifierPhases } from \"../enums.js\"; // source: https://stackoverflow.com/questions/49875255\n\nfunction order(modifiers) {\n var map = new Map();\n var visited = new Set();\n var result = [];\n modifiers.forEach(function (modifier) {\n map.set(modifier.name, modifier);\n }); // On visiting object, check for its dependencies and visit them recursively\n\n function sort(modifier) {\n visited.add(modifier.name);\n var requires = [].concat(modifier.requires || [], modifier.requiresIfExists || []);\n requires.forEach(function (dep) {\n if (!visited.has(dep)) {\n var depModifier = map.get(dep);\n\n if (depModifier) {\n sort(depModifier);\n }\n }\n });\n result.push(modifier);\n }\n\n modifiers.forEach(function (modifier) {\n if (!visited.has(modifier.name)) {\n // check for visited object\n sort(modifier);\n }\n });\n return result;\n}\n\nexport default function orderModifiers(modifiers) {\n // order based on dependencies\n var orderedModifiers = order(modifiers); // order based on phase\n\n return modifierPhases.reduce(function (acc, phase) {\n return acc.concat(orderedModifiers.filter(function (modifier) {\n return modifier.phase === phase;\n }));\n }, []);\n}","export default function debounce(fn) {\n var pending;\n return function () {\n if (!pending) {\n pending = new Promise(function (resolve) {\n Promise.resolve().then(function () {\n pending = undefined;\n resolve(fn());\n });\n });\n }\n\n return pending;\n };\n}","export default function mergeByName(modifiers) {\n var merged = modifiers.reduce(function (merged, current) {\n var existing = merged[current.name];\n merged[current.name] = existing ? Object.assign({}, existing, current, {\n options: Object.assign({}, existing.options, current.options),\n data: Object.assign({}, existing.data, current.data)\n }) : current;\n return merged;\n }, {}); // IE11 does not support Object.values\n\n return Object.keys(merged).map(function (key) {\n return merged[key];\n });\n}","import getCompositeRect from \"./dom-utils/getCompositeRect.js\";\nimport getLayoutRect from \"./dom-utils/getLayoutRect.js\";\nimport listScrollParents from \"./dom-utils/listScrollParents.js\";\nimport getOffsetParent from \"./dom-utils/getOffsetParent.js\";\nimport getComputedStyle from \"./dom-utils/getComputedStyle.js\";\nimport orderModifiers from \"./utils/orderModifiers.js\";\nimport debounce from \"./utils/debounce.js\";\nimport validateModifiers from \"./utils/validateModifiers.js\";\nimport uniqueBy from \"./utils/uniqueBy.js\";\nimport getBasePlacement from \"./utils/getBasePlacement.js\";\nimport mergeByName from \"./utils/mergeByName.js\";\nimport detectOverflow from \"./utils/detectOverflow.js\";\nimport { isElement } from \"./dom-utils/instanceOf.js\";\nimport { auto } from \"./enums.js\";\nvar INVALID_ELEMENT_ERROR = 'Popper: Invalid reference or popper argument provided. They must be either a DOM element or virtual element.';\nvar INFINITE_LOOP_ERROR = 'Popper: An infinite loop in the modifiers cycle has been detected! The cycle has been interrupted to prevent a browser crash.';\nvar DEFAULT_OPTIONS = {\n placement: 'bottom',\n modifiers: [],\n strategy: 'absolute'\n};\n\nfunction areValidElements() {\n for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n args[_key] = arguments[_key];\n }\n\n return !args.some(function (element) {\n return !(element && typeof element.getBoundingClientRect === 'function');\n });\n}\n\nexport function popperGenerator(generatorOptions) {\n if (generatorOptions === void 0) {\n generatorOptions = {};\n }\n\n var _generatorOptions = generatorOptions,\n _generatorOptions$def = _generatorOptions.defaultModifiers,\n defaultModifiers = _generatorOptions$def === void 0 ? [] : _generatorOptions$def,\n _generatorOptions$def2 = _generatorOptions.defaultOptions,\n defaultOptions = _generatorOptions$def2 === void 0 ? DEFAULT_OPTIONS : _generatorOptions$def2;\n return function createPopper(reference, popper, options) {\n if (options === void 0) {\n options = defaultOptions;\n }\n\n var state = {\n placement: 'bottom',\n orderedModifiers: [],\n options: Object.assign({}, DEFAULT_OPTIONS, defaultOptions),\n modifiersData: {},\n elements: {\n reference: reference,\n popper: popper\n },\n attributes: {},\n styles: {}\n };\n var effectCleanupFns = [];\n var isDestroyed = false;\n var instance = {\n state: state,\n setOptions: function setOptions(setOptionsAction) {\n var options = typeof setOptionsAction === 'function' ? setOptionsAction(state.options) : setOptionsAction;\n cleanupModifierEffects();\n state.options = Object.assign({}, defaultOptions, state.options, options);\n state.scrollParents = {\n reference: isElement(reference) ? listScrollParents(reference) : reference.contextElement ? listScrollParents(reference.contextElement) : [],\n popper: listScrollParents(popper)\n }; // Orders the modifiers based on their dependencies and `phase`\n // properties\n\n var orderedModifiers = orderModifiers(mergeByName([].concat(defaultModifiers, state.options.modifiers))); // Strip out disabled modifiers\n\n state.orderedModifiers = orderedModifiers.filter(function (m) {\n return m.enabled;\n }); // Validate the provided modifiers so that the consumer will get warned\n // if one of the modifiers is invalid for any reason\n\n if (process.env.NODE_ENV !== \"production\") {\n var modifiers = uniqueBy([].concat(orderedModifiers, state.options.modifiers), function (_ref) {\n var name = _ref.name;\n return name;\n });\n validateModifiers(modifiers);\n\n if (getBasePlacement(state.options.placement) === auto) {\n var flipModifier = state.orderedModifiers.find(function (_ref2) {\n var name = _ref2.name;\n return name === 'flip';\n });\n\n if (!flipModifier) {\n console.error(['Popper: \"auto\" placements require the \"flip\" modifier be', 'present and enabled to work.'].join(' '));\n }\n }\n\n var _getComputedStyle = getComputedStyle(popper),\n marginTop = _getComputedStyle.marginTop,\n marginRight = _getComputedStyle.marginRight,\n marginBottom = _getComputedStyle.marginBottom,\n marginLeft = _getComputedStyle.marginLeft; // We no longer take into account `margins` on the popper, and it can\n // cause bugs with positioning, so we'll warn the consumer\n\n\n if ([marginTop, marginRight, marginBottom, marginLeft].some(function (margin) {\n return parseFloat(margin);\n })) {\n console.warn(['Popper: CSS \"margin\" styles cannot be used to apply padding', 'between the popper and its reference element or boundary.', 'To replicate margin, use the `offset` modifier, as well as', 'the `padding` option in the `preventOverflow` and `flip`', 'modifiers.'].join(' '));\n }\n }\n\n runModifierEffects();\n return instance.update();\n },\n // Sync update – it will always be executed, even if not necessary. This\n // is useful for low frequency updates where sync behavior simplifies the\n // logic.\n // For high frequency updates (e.g. `resize` and `scroll` events), always\n // prefer the async Popper#update method\n forceUpdate: function forceUpdate() {\n if (isDestroyed) {\n return;\n }\n\n var _state$elements = state.elements,\n reference = _state$elements.reference,\n popper = _state$elements.popper; // Don't proceed if `reference` or `popper` are not valid elements\n // anymore\n\n if (!areValidElements(reference, popper)) {\n if (process.env.NODE_ENV !== \"production\") {\n console.error(INVALID_ELEMENT_ERROR);\n }\n\n return;\n } // Store the reference and popper rects to be read by modifiers\n\n\n state.rects = {\n reference: getCompositeRect(reference, getOffsetParent(popper), state.options.strategy === 'fixed'),\n popper: getLayoutRect(popper)\n }; // Modifiers have the ability to reset the current update cycle. The\n // most common use case for this is the `flip` modifier changing the\n // placement, which then needs to re-run all the modifiers, because the\n // logic was previously ran for the previous placement and is therefore\n // stale/incorrect\n\n state.reset = false;\n state.placement = state.options.placement; // On each update cycle, the `modifiersData` property for each modifier\n // is filled with the initial data specified by the modifier. This means\n // it doesn't persist and is fresh on each update.\n // To ensure persistent data, use `${name}#persistent`\n\n state.orderedModifiers.forEach(function (modifier) {\n return state.modifiersData[modifier.name] = Object.assign({}, modifier.data);\n });\n var __debug_loops__ = 0;\n\n for (var index = 0; index < state.orderedModifiers.length; index++) {\n if (process.env.NODE_ENV !== \"production\") {\n __debug_loops__ += 1;\n\n if (__debug_loops__ > 100) {\n console.error(INFINITE_LOOP_ERROR);\n break;\n }\n }\n\n if (state.reset === true) {\n state.reset = false;\n index = -1;\n continue;\n }\n\n var _state$orderedModifie = state.orderedModifiers[index],\n fn = _state$orderedModifie.fn,\n _state$orderedModifie2 = _state$orderedModifie.options,\n _options = _state$orderedModifie2 === void 0 ? {} : _state$orderedModifie2,\n name = _state$orderedModifie.name;\n\n if (typeof fn === 'function') {\n state = fn({\n state: state,\n options: _options,\n name: name,\n instance: instance\n }) || state;\n }\n }\n },\n // Async and optimistically optimized update – it will not be executed if\n // not necessary (debounced to run at most once-per-tick)\n update: debounce(function () {\n return new Promise(function (resolve) {\n instance.forceUpdate();\n resolve(state);\n });\n }),\n destroy: function destroy() {\n cleanupModifierEffects();\n isDestroyed = true;\n }\n };\n\n if (!areValidElements(reference, popper)) {\n if (process.env.NODE_ENV !== \"production\") {\n console.error(INVALID_ELEMENT_ERROR);\n }\n\n return instance;\n }\n\n instance.setOptions(options).then(function (state) {\n if (!isDestroyed && options.onFirstUpdate) {\n options.onFirstUpdate(state);\n }\n }); // Modifiers have the ability to execute arbitrary code before the first\n // update cycle runs. They will be executed in the same order as the update\n // cycle. This is useful when a modifier adds some persistent data that\n // other modifiers need to use, but the modifier is run after the dependent\n // one.\n\n function runModifierEffects() {\n state.orderedModifiers.forEach(function (_ref3) {\n var name = _ref3.name,\n _ref3$options = _ref3.options,\n options = _ref3$options === void 0 ? {} : _ref3$options,\n effect = _ref3.effect;\n\n if (typeof effect === 'function') {\n var cleanupFn = effect({\n state: state,\n name: name,\n instance: instance,\n options: options\n });\n\n var noopFn = function noopFn() {};\n\n effectCleanupFns.push(cleanupFn || noopFn);\n }\n });\n }\n\n function cleanupModifierEffects() {\n effectCleanupFns.forEach(function (fn) {\n return fn();\n });\n effectCleanupFns = [];\n }\n\n return instance;\n };\n}\nexport var createPopper = /*#__PURE__*/popperGenerator(); // eslint-disable-next-line import/no-unused-modules\n\nexport { detectOverflow };","function _getCenteredStylePopperModifier() {\n return [\n {\n name: 'applyStyles',\n fn({ state }) {\n Object.keys(state.elements).forEach((name) => {\n if (name !== 'popper') {\n return;\n }\n const style = {\n position: 'fixed',\n left: '50%',\n top: '50%',\n transform: 'translate(-50%, -50%)'\n };\n\n const attributes = state.attributes[name] || {};\n const element = state.elements[name];\n\n Object.assign(element.style, style);\n Object.keys(attributes).forEach((name) => {\n const value = attributes[name];\n if (value === false) {\n element.removeAttribute(name);\n } else {\n element.setAttribute(name, value === true ? '' : value);\n }\n });\n });\n }\n },\n {\n name: 'computeStyles',\n options: {\n adaptive: false\n }\n }\n ];\n}\n\n/**\n * Generates the array of options for a tooltip that doesn't have a\n * target element in the DOM -- and thus is positioned in the center\n * of the view\n *\n * @param {Step} step The step instance\n * @return {Object} The final Popper options object\n */\nexport function makeCenteredPopper(step) {\n const centeredStylePopperModifier = _getCenteredStylePopperModifier();\n\n let popperOptions = {\n placement: 'top',\n strategy: 'fixed',\n modifiers: [\n {\n name: 'focusAfterRender',\n enabled: true,\n phase: 'afterWrite',\n fn() {\n setTimeout(() => {\n if (step.el) {\n step.el.focus();\n }\n }, 300);\n }\n }\n ]\n };\n\n popperOptions = {\n ...popperOptions,\n modifiers: Array.from(\n new Set([...popperOptions.modifiers, ...centeredStylePopperModifier])\n )\n };\n\n return popperOptions;\n}\n","import { createPopper } from '@popperjs/core';\nimport { isString } from './type-check';\nimport { makeCenteredPopper } from './popper-options';\n\n/**\n * Ensure class prefix ends in `-`\n * @param {string} prefix The prefix to prepend to the class names generated by nano-css\n * @return {string} The prefix ending in `-`\n */\nexport function normalizePrefix(prefix) {\n if (!isString(prefix) || prefix === '') {\n return '';\n }\n\n return prefix.charAt(prefix.length - 1) !== '-' ? `${prefix}-` : prefix;\n}\n\n/**\n * Checks if options.attachTo.element is a string, and if so, tries to find the element\n * @param {Step} step The step instance\n * @returns {{element, on}}\n * `element` is a qualified HTML Element\n * `on` is a string position value\n */\nexport function parseAttachTo(step) {\n const options = step.options.attachTo || {};\n const returnOpts = Object.assign({}, options);\n\n if (isString(options.element)) {\n // Can't override the element in user opts reference because we can't\n // guarantee that the element will exist in the future.\n try {\n returnOpts.element = document.querySelector(options.element);\n } catch (e) {\n // TODO\n }\n if (!returnOpts.element) {\n console.error(\n `The element for this Shepherd step was not found ${options.element}`\n );\n }\n }\n\n return returnOpts;\n}\n\n/**\n * Determines options for the tooltip and initializes\n * `step.tooltip` as a Popper instance.\n * @param {Step} step The step instance\n */\nexport function setupTooltip(step) {\n if (step.tooltip) {\n step.tooltip.destroy();\n }\n\n const attachToOptions = parseAttachTo(step);\n\n let target = attachToOptions.element;\n const popperOptions = getPopperOptions(attachToOptions, step);\n\n if (step.isCentered()) {\n target = document.body;\n const content = step.shepherdElementComponent.getElement();\n content.classList.add('shepherd-centered');\n }\n\n step.tooltip = createPopper(target, step.el, popperOptions);\n step.target = attachToOptions.element;\n\n return popperOptions;\n}\n\n/**\n * Create a unique id for steps, tours, modals, etc\n * @return {string}\n */\nexport function uuid() {\n let d = Date.now();\n return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, (c) => {\n const r = (d + Math.random() * 16) % 16 | 0;\n d = Math.floor(d / 16);\n return (c == 'x' ? r : (r & 0x3) | 0x8).toString(16);\n });\n}\n\n/**\n * Gets the `Popper` options from a set of base `attachTo` options\n * @param attachToOptions\n * @param {Step} step The step instance\n * @return {Object}\n * @private\n */\nexport function getPopperOptions(attachToOptions, step) {\n let popperOptions = {\n modifiers: [\n {\n name: 'preventOverflow',\n options: {\n altAxis: true,\n tether: false\n }\n },\n {\n name: 'focusAfterRender',\n enabled: true,\n phase: 'afterWrite',\n fn() {\n setTimeout(() => {\n if (step.el) {\n step.el.focus();\n }\n }, 300);\n }\n }\n ],\n strategy: 'absolute'\n };\n\n if (step.isCentered()) {\n popperOptions = makeCenteredPopper(step);\n } else {\n popperOptions.placement = attachToOptions.on;\n }\n\n const defaultStepOptions =\n step.tour && step.tour.options && step.tour.options.defaultStepOptions;\n\n if (defaultStepOptions) {\n popperOptions = _mergeModifiers(defaultStepOptions, popperOptions);\n }\n\n popperOptions = _mergeModifiers(step.options, popperOptions);\n\n return popperOptions;\n}\n\nfunction _mergeModifiers(stepOptions, popperOptions) {\n if (stepOptions.popperOptions) {\n let mergedPopperOptions = Object.assign(\n {},\n popperOptions,\n stepOptions.popperOptions\n );\n\n if (\n stepOptions.popperOptions.modifiers &&\n stepOptions.popperOptions.modifiers.length > 0\n ) {\n const names = stepOptions.popperOptions.modifiers.map((mod) => mod.name);\n const filteredModifiers = popperOptions.modifiers.filter(\n (mod) => !names.includes(mod.name)\n );\n\n mergedPopperOptions.modifiers = Array.from(\n new Set([...filteredModifiers, ...stepOptions.popperOptions.modifiers])\n );\n }\n\n return mergedPopperOptions;\n }\n\n return popperOptions;\n}\n","function noop() { }\nconst identity = x => x;\nfunction assign(tar, src) {\n // @ts-ignore\n for (const k in src)\n tar[k] = src[k];\n return tar;\n}\nfunction is_promise(value) {\n return value && typeof value === 'object' && typeof value.then === 'function';\n}\nfunction add_location(element, file, line, column, char) {\n element.__svelte_meta = {\n loc: { file, line, column, char }\n };\n}\nfunction run(fn) {\n return fn();\n}\nfunction blank_object() {\n return Object.create(null);\n}\nfunction run_all(fns) {\n fns.forEach(run);\n}\nfunction is_function(thing) {\n return typeof thing === 'function';\n}\nfunction safe_not_equal(a, b) {\n return a != a ? b == b : a !== b || ((a && typeof a === 'object') || typeof a === 'function');\n}\nlet src_url_equal_anchor;\nfunction src_url_equal(element_src, url) {\n if (!src_url_equal_anchor) {\n src_url_equal_anchor = document.createElement('a');\n }\n src_url_equal_anchor.href = url;\n return element_src === src_url_equal_anchor.href;\n}\nfunction not_equal(a, b) {\n return a != a ? b == b : a !== b;\n}\nfunction is_empty(obj) {\n return Object.keys(obj).length === 0;\n}\nfunction validate_store(store, name) {\n if (store != null && typeof store.subscribe !== 'function') {\n throw new Error(`'${name}' is not a store with a 'subscribe' method`);\n }\n}\nfunction subscribe(store, ...callbacks) {\n if (store == null) {\n return noop;\n }\n const unsub = store.subscribe(...callbacks);\n return unsub.unsubscribe ? () => unsub.unsubscribe() : unsub;\n}\nfunction get_store_value(store) {\n let value;\n subscribe(store, _ => value = _)();\n return value;\n}\nfunction component_subscribe(component, store, callback) {\n component.$$.on_destroy.push(subscribe(store, callback));\n}\nfunction create_slot(definition, ctx, $$scope, fn) {\n if (definition) {\n const slot_ctx = get_slot_context(definition, ctx, $$scope, fn);\n return definition[0](slot_ctx);\n }\n}\nfunction get_slot_context(definition, ctx, $$scope, fn) {\n return definition[1] && fn\n ? assign($$scope.ctx.slice(), definition[1](fn(ctx)))\n : $$scope.ctx;\n}\nfunction get_slot_changes(definition, $$scope, dirty, fn) {\n if (definition[2] && fn) {\n const lets = definition[2](fn(dirty));\n if ($$scope.dirty === undefined) {\n return lets;\n }\n if (typeof lets === 'object') {\n const merged = [];\n const len = Math.max($$scope.dirty.length, lets.length);\n for (let i = 0; i < len; i += 1) {\n merged[i] = $$scope.dirty[i] | lets[i];\n }\n return merged;\n }\n return $$scope.dirty | lets;\n }\n return $$scope.dirty;\n}\nfunction update_slot_base(slot, slot_definition, ctx, $$scope, slot_changes, get_slot_context_fn) {\n if (slot_changes) {\n const slot_context = get_slot_context(slot_definition, ctx, $$scope, get_slot_context_fn);\n slot.p(slot_context, slot_changes);\n }\n}\nfunction update_slot(slot, slot_definition, ctx, $$scope, dirty, get_slot_changes_fn, get_slot_context_fn) {\n const slot_changes = get_slot_changes(slot_definition, $$scope, dirty, get_slot_changes_fn);\n update_slot_base(slot, slot_definition, ctx, $$scope, slot_changes, get_slot_context_fn);\n}\nfunction get_all_dirty_from_scope($$scope) {\n if ($$scope.ctx.length > 32) {\n const dirty = [];\n const length = $$scope.ctx.length / 32;\n for (let i = 0; i < length; i++) {\n dirty[i] = -1;\n }\n return dirty;\n }\n return -1;\n}\nfunction exclude_internal_props(props) {\n const result = {};\n for (const k in props)\n if (k[0] !== '$')\n result[k] = props[k];\n return result;\n}\nfunction compute_rest_props(props, keys) {\n const rest = {};\n keys = new Set(keys);\n for (const k in props)\n if (!keys.has(k) && k[0] !== '$')\n rest[k] = props[k];\n return rest;\n}\nfunction compute_slots(slots) {\n const result = {};\n for (const key in slots) {\n result[key] = true;\n }\n return result;\n}\nfunction once(fn) {\n let ran = false;\n return function (...args) {\n if (ran)\n return;\n ran = true;\n fn.call(this, ...args);\n };\n}\nfunction null_to_empty(value) {\n return value == null ? '' : value;\n}\nfunction set_store_value(store, ret, value) {\n store.set(value);\n return ret;\n}\nconst has_prop = (obj, prop) => Object.prototype.hasOwnProperty.call(obj, prop);\nfunction action_destroyer(action_result) {\n return action_result && is_function(action_result.destroy) ? action_result.destroy : noop;\n}\n\nconst is_client = typeof window !== 'undefined';\nlet now = is_client\n ? () => window.performance.now()\n : () => Date.now();\nlet raf = is_client ? cb => requestAnimationFrame(cb) : noop;\n// used internally for testing\nfunction set_now(fn) {\n now = fn;\n}\nfunction set_raf(fn) {\n raf = fn;\n}\n\nconst tasks = new Set();\nfunction run_tasks(now) {\n tasks.forEach(task => {\n if (!task.c(now)) {\n tasks.delete(task);\n task.f();\n }\n });\n if (tasks.size !== 0)\n raf(run_tasks);\n}\n/**\n * For testing purposes only!\n */\nfunction clear_loops() {\n tasks.clear();\n}\n/**\n * Creates a new task that runs on each raf frame\n * until it returns a falsy value or is aborted\n */\nfunction loop(callback) {\n let task;\n if (tasks.size === 0)\n raf(run_tasks);\n return {\n promise: new Promise(fulfill => {\n tasks.add(task = { c: callback, f: fulfill });\n }),\n abort() {\n tasks.delete(task);\n }\n };\n}\n\n// Track which nodes are claimed during hydration. Unclaimed nodes can then be removed from the DOM\n// at the end of hydration without touching the remaining nodes.\nlet is_hydrating = false;\nfunction start_hydrating() {\n is_hydrating = true;\n}\nfunction end_hydrating() {\n is_hydrating = false;\n}\nfunction upper_bound(low, high, key, value) {\n // Return first index of value larger than input value in the range [low, high)\n while (low < high) {\n const mid = low + ((high - low) >> 1);\n if (key(mid) <= value) {\n low = mid + 1;\n }\n else {\n high = mid;\n }\n }\n return low;\n}\nfunction init_hydrate(target) {\n if (target.hydrate_init)\n return;\n target.hydrate_init = true;\n // We know that all children have claim_order values since the unclaimed have been detached if target is not \n let children = target.childNodes;\n // If target is , there may be children without claim_order\n if (target.nodeName === 'HEAD') {\n const myChildren = [];\n for (let i = 0; i < children.length; i++) {\n const node = children[i];\n if (node.claim_order !== undefined) {\n myChildren.push(node);\n }\n }\n children = myChildren;\n }\n /*\n * Reorder claimed children optimally.\n * We can reorder claimed children optimally by finding the longest subsequence of\n * nodes that are already claimed in order and only moving the rest. The longest\n * subsequence subsequence of nodes that are claimed in order can be found by\n * computing the longest increasing subsequence of .claim_order values.\n *\n * This algorithm is optimal in generating the least amount of reorder operations\n * possible.\n *\n * Proof:\n * We know that, given a set of reordering operations, the nodes that do not move\n * always form an increasing subsequence, since they do not move among each other\n * meaning that they must be already ordered among each other. Thus, the maximal\n * set of nodes that do not move form a longest increasing subsequence.\n */\n // Compute longest increasing subsequence\n // m: subsequence length j => index k of smallest value that ends an increasing subsequence of length j\n const m = new Int32Array(children.length + 1);\n // Predecessor indices + 1\n const p = new Int32Array(children.length);\n m[0] = -1;\n let longest = 0;\n for (let i = 0; i < children.length; i++) {\n const current = children[i].claim_order;\n // Find the largest subsequence length such that it ends in a value less than our current value\n // upper_bound returns first greater value, so we subtract one\n // with fast path for when we are on the current longest subsequence\n const seqLen = ((longest > 0 && children[m[longest]].claim_order <= current) ? longest + 1 : upper_bound(1, longest, idx => children[m[idx]].claim_order, current)) - 1;\n p[i] = m[seqLen] + 1;\n const newLen = seqLen + 1;\n // We can guarantee that current is the smallest value. Otherwise, we would have generated a longer sequence.\n m[newLen] = i;\n longest = Math.max(newLen, longest);\n }\n // The longest increasing subsequence of nodes (initially reversed)\n const lis = [];\n // The rest of the nodes, nodes that will be moved\n const toMove = [];\n let last = children.length - 1;\n for (let cur = m[longest] + 1; cur != 0; cur = p[cur - 1]) {\n lis.push(children[cur - 1]);\n for (; last >= cur; last--) {\n toMove.push(children[last]);\n }\n last--;\n }\n for (; last >= 0; last--) {\n toMove.push(children[last]);\n }\n lis.reverse();\n // We sort the nodes being moved to guarantee that their insertion order matches the claim order\n toMove.sort((a, b) => a.claim_order - b.claim_order);\n // Finally, we move the nodes\n for (let i = 0, j = 0; i < toMove.length; i++) {\n while (j < lis.length && toMove[i].claim_order >= lis[j].claim_order) {\n j++;\n }\n const anchor = j < lis.length ? lis[j] : null;\n target.insertBefore(toMove[i], anchor);\n }\n}\nfunction append(target, node) {\n target.appendChild(node);\n}\nfunction append_styles(target, style_sheet_id, styles) {\n const append_styles_to = get_root_for_style(target);\n if (!append_styles_to.getElementById(style_sheet_id)) {\n const style = element('style');\n style.id = style_sheet_id;\n style.textContent = styles;\n append_stylesheet(append_styles_to, style);\n }\n}\nfunction get_root_for_style(node) {\n if (!node)\n return document;\n const root = node.getRootNode ? node.getRootNode() : node.ownerDocument;\n if (root && root.host) {\n return root;\n }\n return node.ownerDocument;\n}\nfunction append_empty_stylesheet(node) {\n const style_element = element('style');\n append_stylesheet(get_root_for_style(node), style_element);\n return style_element.sheet;\n}\nfunction append_stylesheet(node, style) {\n append(node.head || node, style);\n}\nfunction append_hydration(target, node) {\n if (is_hydrating) {\n init_hydrate(target);\n if ((target.actual_end_child === undefined) || ((target.actual_end_child !== null) && (target.actual_end_child.parentElement !== target))) {\n target.actual_end_child = target.firstChild;\n }\n // Skip nodes of undefined ordering\n while ((target.actual_end_child !== null) && (target.actual_end_child.claim_order === undefined)) {\n target.actual_end_child = target.actual_end_child.nextSibling;\n }\n if (node !== target.actual_end_child) {\n // We only insert if the ordering of this node should be modified or the parent node is not target\n if (node.claim_order !== undefined || node.parentNode !== target) {\n target.insertBefore(node, target.actual_end_child);\n }\n }\n else {\n target.actual_end_child = node.nextSibling;\n }\n }\n else if (node.parentNode !== target || node.nextSibling !== null) {\n target.appendChild(node);\n }\n}\nfunction insert(target, node, anchor) {\n target.insertBefore(node, anchor || null);\n}\nfunction insert_hydration(target, node, anchor) {\n if (is_hydrating && !anchor) {\n append_hydration(target, node);\n }\n else if (node.parentNode !== target || node.nextSibling != anchor) {\n target.insertBefore(node, anchor || null);\n }\n}\nfunction detach(node) {\n node.parentNode.removeChild(node);\n}\nfunction destroy_each(iterations, detaching) {\n for (let i = 0; i < iterations.length; i += 1) {\n if (iterations[i])\n iterations[i].d(detaching);\n }\n}\nfunction element(name) {\n return document.createElement(name);\n}\nfunction element_is(name, is) {\n return document.createElement(name, { is });\n}\nfunction object_without_properties(obj, exclude) {\n const target = {};\n for (const k in obj) {\n if (has_prop(obj, k)\n // @ts-ignore\n && exclude.indexOf(k) === -1) {\n // @ts-ignore\n target[k] = obj[k];\n }\n }\n return target;\n}\nfunction svg_element(name) {\n return document.createElementNS('http://www.w3.org/2000/svg', name);\n}\nfunction text(data) {\n return document.createTextNode(data);\n}\nfunction space() {\n return text(' ');\n}\nfunction empty() {\n return text('');\n}\nfunction listen(node, event, handler, options) {\n node.addEventListener(event, handler, options);\n return () => node.removeEventListener(event, handler, options);\n}\nfunction prevent_default(fn) {\n return function (event) {\n event.preventDefault();\n // @ts-ignore\n return fn.call(this, event);\n };\n}\nfunction stop_propagation(fn) {\n return function (event) {\n event.stopPropagation();\n // @ts-ignore\n return fn.call(this, event);\n };\n}\nfunction self(fn) {\n return function (event) {\n // @ts-ignore\n if (event.target === this)\n fn.call(this, event);\n };\n}\nfunction trusted(fn) {\n return function (event) {\n // @ts-ignore\n if (event.isTrusted)\n fn.call(this, event);\n };\n}\nfunction attr(node, attribute, value) {\n if (value == null)\n node.removeAttribute(attribute);\n else if (node.getAttribute(attribute) !== value)\n node.setAttribute(attribute, value);\n}\nfunction set_attributes(node, attributes) {\n // @ts-ignore\n const descriptors = Object.getOwnPropertyDescriptors(node.__proto__);\n for (const key in attributes) {\n if (attributes[key] == null) {\n node.removeAttribute(key);\n }\n else if (key === 'style') {\n node.style.cssText = attributes[key];\n }\n else if (key === '__value') {\n node.value = node[key] = attributes[key];\n }\n else if (descriptors[key] && descriptors[key].set) {\n node[key] = attributes[key];\n }\n else {\n attr(node, key, attributes[key]);\n }\n }\n}\nfunction set_svg_attributes(node, attributes) {\n for (const key in attributes) {\n attr(node, key, attributes[key]);\n }\n}\nfunction set_custom_element_data(node, prop, value) {\n if (prop in node) {\n node[prop] = typeof node[prop] === 'boolean' && value === '' ? true : value;\n }\n else {\n attr(node, prop, value);\n }\n}\nfunction xlink_attr(node, attribute, value) {\n node.setAttributeNS('http://www.w3.org/1999/xlink', attribute, value);\n}\nfunction get_binding_group_value(group, __value, checked) {\n const value = new Set();\n for (let i = 0; i < group.length; i += 1) {\n if (group[i].checked)\n value.add(group[i].__value);\n }\n if (!checked) {\n value.delete(__value);\n }\n return Array.from(value);\n}\nfunction to_number(value) {\n return value === '' ? null : +value;\n}\nfunction time_ranges_to_array(ranges) {\n const array = [];\n for (let i = 0; i < ranges.length; i += 1) {\n array.push({ start: ranges.start(i), end: ranges.end(i) });\n }\n return array;\n}\nfunction children(element) {\n return Array.from(element.childNodes);\n}\nfunction init_claim_info(nodes) {\n if (nodes.claim_info === undefined) {\n nodes.claim_info = { last_index: 0, total_claimed: 0 };\n }\n}\nfunction claim_node(nodes, predicate, processNode, createNode, dontUpdateLastIndex = false) {\n // Try to find nodes in an order such that we lengthen the longest increasing subsequence\n init_claim_info(nodes);\n const resultNode = (() => {\n // We first try to find an element after the previous one\n for (let i = nodes.claim_info.last_index; i < nodes.length; i++) {\n const node = nodes[i];\n if (predicate(node)) {\n const replacement = processNode(node);\n if (replacement === undefined) {\n nodes.splice(i, 1);\n }\n else {\n nodes[i] = replacement;\n }\n if (!dontUpdateLastIndex) {\n nodes.claim_info.last_index = i;\n }\n return node;\n }\n }\n // Otherwise, we try to find one before\n // We iterate in reverse so that we don't go too far back\n for (let i = nodes.claim_info.last_index - 1; i >= 0; i--) {\n const node = nodes[i];\n if (predicate(node)) {\n const replacement = processNode(node);\n if (replacement === undefined) {\n nodes.splice(i, 1);\n }\n else {\n nodes[i] = replacement;\n }\n if (!dontUpdateLastIndex) {\n nodes.claim_info.last_index = i;\n }\n else if (replacement === undefined) {\n // Since we spliced before the last_index, we decrease it\n nodes.claim_info.last_index--;\n }\n return node;\n }\n }\n // If we can't find any matching node, we create a new one\n return createNode();\n })();\n resultNode.claim_order = nodes.claim_info.total_claimed;\n nodes.claim_info.total_claimed += 1;\n return resultNode;\n}\nfunction claim_element_base(nodes, name, attributes, create_element) {\n return claim_node(nodes, (node) => node.nodeName === name, (node) => {\n const remove = [];\n for (let j = 0; j < node.attributes.length; j++) {\n const attribute = node.attributes[j];\n if (!attributes[attribute.name]) {\n remove.push(attribute.name);\n }\n }\n remove.forEach(v => node.removeAttribute(v));\n return undefined;\n }, () => create_element(name));\n}\nfunction claim_element(nodes, name, attributes) {\n return claim_element_base(nodes, name, attributes, element);\n}\nfunction claim_svg_element(nodes, name, attributes) {\n return claim_element_base(nodes, name, attributes, svg_element);\n}\nfunction claim_text(nodes, data) {\n return claim_node(nodes, (node) => node.nodeType === 3, (node) => {\n const dataStr = '' + data;\n if (node.data.startsWith(dataStr)) {\n if (node.data.length !== dataStr.length) {\n return node.splitText(dataStr.length);\n }\n }\n else {\n node.data = dataStr;\n }\n }, () => text(data), true // Text nodes should not update last index since it is likely not worth it to eliminate an increasing subsequence of actual elements\n );\n}\nfunction claim_space(nodes) {\n return claim_text(nodes, ' ');\n}\nfunction find_comment(nodes, text, start) {\n for (let i = start; i < nodes.length; i += 1) {\n const node = nodes[i];\n if (node.nodeType === 8 /* comment node */ && node.textContent.trim() === text) {\n return i;\n }\n }\n return nodes.length;\n}\nfunction claim_html_tag(nodes) {\n // find html opening tag\n const start_index = find_comment(nodes, 'HTML_TAG_START', 0);\n const end_index = find_comment(nodes, 'HTML_TAG_END', start_index);\n if (start_index === end_index) {\n return new HtmlTagHydration();\n }\n init_claim_info(nodes);\n const html_tag_nodes = nodes.splice(start_index, end_index - start_index + 1);\n detach(html_tag_nodes[0]);\n detach(html_tag_nodes[html_tag_nodes.length - 1]);\n const claimed_nodes = html_tag_nodes.slice(1, html_tag_nodes.length - 1);\n for (const n of claimed_nodes) {\n n.claim_order = nodes.claim_info.total_claimed;\n nodes.claim_info.total_claimed += 1;\n }\n return new HtmlTagHydration(claimed_nodes);\n}\nfunction set_data(text, data) {\n data = '' + data;\n if (text.wholeText !== data)\n text.data = data;\n}\nfunction set_input_value(input, value) {\n input.value = value == null ? '' : value;\n}\nfunction set_input_type(input, type) {\n try {\n input.type = type;\n }\n catch (e) {\n // do nothing\n }\n}\nfunction set_style(node, key, value, important) {\n if (value === null) {\n node.style.removeProperty(key);\n }\n else {\n node.style.setProperty(key, value, important ? 'important' : '');\n }\n}\nfunction select_option(select, value) {\n for (let i = 0; i < select.options.length; i += 1) {\n const option = select.options[i];\n if (option.__value === value) {\n option.selected = true;\n return;\n }\n }\n select.selectedIndex = -1; // no option should be selected\n}\nfunction select_options(select, value) {\n for (let i = 0; i < select.options.length; i += 1) {\n const option = select.options[i];\n option.selected = ~value.indexOf(option.__value);\n }\n}\nfunction select_value(select) {\n const selected_option = select.querySelector(':checked') || select.options[0];\n return selected_option && selected_option.__value;\n}\nfunction select_multiple_value(select) {\n return [].map.call(select.querySelectorAll(':checked'), option => option.__value);\n}\n// unfortunately this can't be a constant as that wouldn't be tree-shakeable\n// so we cache the result instead\nlet crossorigin;\nfunction is_crossorigin() {\n if (crossorigin === undefined) {\n crossorigin = false;\n try {\n if (typeof window !== 'undefined' && window.parent) {\n void window.parent.document;\n }\n }\n catch (error) {\n crossorigin = true;\n }\n }\n return crossorigin;\n}\nfunction add_resize_listener(node, fn) {\n const computed_style = getComputedStyle(node);\n if (computed_style.position === 'static') {\n node.style.position = 'relative';\n }\n const iframe = element('iframe');\n iframe.setAttribute('style', 'display: block; position: absolute; top: 0; left: 0; width: 100%; height: 100%; ' +\n 'overflow: hidden; border: 0; opacity: 0; pointer-events: none; z-index: -1;');\n iframe.setAttribute('aria-hidden', 'true');\n iframe.tabIndex = -1;\n const crossorigin = is_crossorigin();\n let unsubscribe;\n if (crossorigin) {\n iframe.src = \"data:text/html,\";\n unsubscribe = listen(window, 'message', (event) => {\n if (event.source === iframe.contentWindow)\n fn();\n });\n }\n else {\n iframe.src = 'about:blank';\n iframe.onload = () => {\n unsubscribe = listen(iframe.contentWindow, 'resize', fn);\n };\n }\n append(node, iframe);\n return () => {\n if (crossorigin) {\n unsubscribe();\n }\n else if (unsubscribe && iframe.contentWindow) {\n unsubscribe();\n }\n detach(iframe);\n };\n}\nfunction toggle_class(element, name, toggle) {\n element.classList[toggle ? 'add' : 'remove'](name);\n}\nfunction custom_event(type, detail, bubbles = false) {\n const e = document.createEvent('CustomEvent');\n e.initCustomEvent(type, bubbles, false, detail);\n return e;\n}\nfunction query_selector_all(selector, parent = document.body) {\n return Array.from(parent.querySelectorAll(selector));\n}\nclass HtmlTag {\n constructor() {\n this.e = this.n = null;\n }\n c(html) {\n this.h(html);\n }\n m(html, target, anchor = null) {\n if (!this.e) {\n this.e = element(target.nodeName);\n this.t = target;\n this.c(html);\n }\n this.i(anchor);\n }\n h(html) {\n this.e.innerHTML = html;\n this.n = Array.from(this.e.childNodes);\n }\n i(anchor) {\n for (let i = 0; i < this.n.length; i += 1) {\n insert(this.t, this.n[i], anchor);\n }\n }\n p(html) {\n this.d();\n this.h(html);\n this.i(this.a);\n }\n d() {\n this.n.forEach(detach);\n }\n}\nclass HtmlTagHydration extends HtmlTag {\n constructor(claimed_nodes) {\n super();\n this.e = this.n = null;\n this.l = claimed_nodes;\n }\n c(html) {\n if (this.l) {\n this.n = this.l;\n }\n else {\n super.c(html);\n }\n }\n i(anchor) {\n for (let i = 0; i < this.n.length; i += 1) {\n insert_hydration(this.t, this.n[i], anchor);\n }\n }\n}\nfunction attribute_to_object(attributes) {\n const result = {};\n for (const attribute of attributes) {\n result[attribute.name] = attribute.value;\n }\n return result;\n}\nfunction get_custom_elements_slots(element) {\n const result = {};\n element.childNodes.forEach((node) => {\n result[node.slot || 'default'] = true;\n });\n return result;\n}\n\n// we need to store the information for multiple documents because a Svelte application could also contain iframes\n// https://github.com/sveltejs/svelte/issues/3624\nconst managed_styles = new Map();\nlet active = 0;\n// https://github.com/darkskyapp/string-hash/blob/master/index.js\nfunction hash(str) {\n let hash = 5381;\n let i = str.length;\n while (i--)\n hash = ((hash << 5) - hash) ^ str.charCodeAt(i);\n return hash >>> 0;\n}\nfunction create_style_information(doc, node) {\n const info = { stylesheet: append_empty_stylesheet(node), rules: {} };\n managed_styles.set(doc, info);\n return info;\n}\nfunction create_rule(node, a, b, duration, delay, ease, fn, uid = 0) {\n const step = 16.666 / duration;\n let keyframes = '{\\n';\n for (let p = 0; p <= 1; p += step) {\n const t = a + (b - a) * ease(p);\n keyframes += p * 100 + `%{${fn(t, 1 - t)}}\\n`;\n }\n const rule = keyframes + `100% {${fn(b, 1 - b)}}\\n}`;\n const name = `__svelte_${hash(rule)}_${uid}`;\n const doc = get_root_for_style(node);\n const { stylesheet, rules } = managed_styles.get(doc) || create_style_information(doc, node);\n if (!rules[name]) {\n rules[name] = true;\n stylesheet.insertRule(`@keyframes ${name} ${rule}`, stylesheet.cssRules.length);\n }\n const animation = node.style.animation || '';\n node.style.animation = `${animation ? `${animation}, ` : ''}${name} ${duration}ms linear ${delay}ms 1 both`;\n active += 1;\n return name;\n}\nfunction delete_rule(node, name) {\n const previous = (node.style.animation || '').split(', ');\n const next = previous.filter(name\n ? anim => anim.indexOf(name) < 0 // remove specific animation\n : anim => anim.indexOf('__svelte') === -1 // remove all Svelte animations\n );\n const deleted = previous.length - next.length;\n if (deleted) {\n node.style.animation = next.join(', ');\n active -= deleted;\n if (!active)\n clear_rules();\n }\n}\nfunction clear_rules() {\n raf(() => {\n if (active)\n return;\n managed_styles.forEach(info => {\n const { stylesheet } = info;\n let i = stylesheet.cssRules.length;\n while (i--)\n stylesheet.deleteRule(i);\n info.rules = {};\n });\n managed_styles.clear();\n });\n}\n\nfunction create_animation(node, from, fn, params) {\n if (!from)\n return noop;\n const to = node.getBoundingClientRect();\n if (from.left === to.left && from.right === to.right && from.top === to.top && from.bottom === to.bottom)\n return noop;\n const { delay = 0, duration = 300, easing = identity, \n // @ts-ignore todo: should this be separated from destructuring? Or start/end added to public api and documentation?\n start: start_time = now() + delay, \n // @ts-ignore todo:\n end = start_time + duration, tick = noop, css } = fn(node, { from, to }, params);\n let running = true;\n let started = false;\n let name;\n function start() {\n if (css) {\n name = create_rule(node, 0, 1, duration, delay, easing, css);\n }\n if (!delay) {\n started = true;\n }\n }\n function stop() {\n if (css)\n delete_rule(node, name);\n running = false;\n }\n loop(now => {\n if (!started && now >= start_time) {\n started = true;\n }\n if (started && now >= end) {\n tick(1, 0);\n stop();\n }\n if (!running) {\n return false;\n }\n if (started) {\n const p = now - start_time;\n const t = 0 + 1 * easing(p / duration);\n tick(t, 1 - t);\n }\n return true;\n });\n start();\n tick(0, 1);\n return stop;\n}\nfunction fix_position(node) {\n const style = getComputedStyle(node);\n if (style.position !== 'absolute' && style.position !== 'fixed') {\n const { width, height } = style;\n const a = node.getBoundingClientRect();\n node.style.position = 'absolute';\n node.style.width = width;\n node.style.height = height;\n add_transform(node, a);\n }\n}\nfunction add_transform(node, a) {\n const b = node.getBoundingClientRect();\n if (a.left !== b.left || a.top !== b.top) {\n const style = getComputedStyle(node);\n const transform = style.transform === 'none' ? '' : style.transform;\n node.style.transform = `${transform} translate(${a.left - b.left}px, ${a.top - b.top}px)`;\n }\n}\n\nlet current_component;\nfunction set_current_component(component) {\n current_component = component;\n}\nfunction get_current_component() {\n if (!current_component)\n throw new Error('Function called outside component initialization');\n return current_component;\n}\nfunction beforeUpdate(fn) {\n get_current_component().$$.before_update.push(fn);\n}\nfunction onMount(fn) {\n get_current_component().$$.on_mount.push(fn);\n}\nfunction afterUpdate(fn) {\n get_current_component().$$.after_update.push(fn);\n}\nfunction onDestroy(fn) {\n get_current_component().$$.on_destroy.push(fn);\n}\nfunction createEventDispatcher() {\n const component = get_current_component();\n return (type, detail) => {\n const callbacks = component.$$.callbacks[type];\n if (callbacks) {\n // TODO are there situations where events could be dispatched\n // in a server (non-DOM) environment?\n const event = custom_event(type, detail);\n callbacks.slice().forEach(fn => {\n fn.call(component, event);\n });\n }\n };\n}\nfunction setContext(key, context) {\n get_current_component().$$.context.set(key, context);\n}\nfunction getContext(key) {\n return get_current_component().$$.context.get(key);\n}\nfunction getAllContexts() {\n return get_current_component().$$.context;\n}\nfunction hasContext(key) {\n return get_current_component().$$.context.has(key);\n}\n// TODO figure out if we still want to support\n// shorthand events, or if we want to implement\n// a real bubbling mechanism\nfunction bubble(component, event) {\n const callbacks = component.$$.callbacks[event.type];\n if (callbacks) {\n // @ts-ignore\n callbacks.slice().forEach(fn => fn.call(this, event));\n }\n}\n\nconst dirty_components = [];\nconst intros = { enabled: false };\nconst binding_callbacks = [];\nconst render_callbacks = [];\nconst flush_callbacks = [];\nconst resolved_promise = Promise.resolve();\nlet update_scheduled = false;\nfunction schedule_update() {\n if (!update_scheduled) {\n update_scheduled = true;\n resolved_promise.then(flush);\n }\n}\nfunction tick() {\n schedule_update();\n return resolved_promise;\n}\nfunction add_render_callback(fn) {\n render_callbacks.push(fn);\n}\nfunction add_flush_callback(fn) {\n flush_callbacks.push(fn);\n}\n// flush() calls callbacks in this order:\n// 1. All beforeUpdate callbacks, in order: parents before children\n// 2. All bind:this callbacks, in reverse order: children before parents.\n// 3. All afterUpdate callbacks, in order: parents before children. EXCEPT\n// for afterUpdates called during the initial onMount, which are called in\n// reverse order: children before parents.\n// Since callbacks might update component values, which could trigger another\n// call to flush(), the following steps guard against this:\n// 1. During beforeUpdate, any updated components will be added to the\n// dirty_components array and will cause a reentrant call to flush(). Because\n// the flush index is kept outside the function, the reentrant call will pick\n// up where the earlier call left off and go through all dirty components. The\n// current_component value is saved and restored so that the reentrant call will\n// not interfere with the \"parent\" flush() call.\n// 2. bind:this callbacks cannot trigger new flush() calls.\n// 3. During afterUpdate, any updated components will NOT have their afterUpdate\n// callback called a second time; the seen_callbacks set, outside the flush()\n// function, guarantees this behavior.\nconst seen_callbacks = new Set();\nlet flushidx = 0; // Do *not* move this inside the flush() function\nfunction flush() {\n const saved_component = current_component;\n do {\n // first, call beforeUpdate functions\n // and update components\n while (flushidx < dirty_components.length) {\n const component = dirty_components[flushidx];\n flushidx++;\n set_current_component(component);\n update(component.$$);\n }\n set_current_component(null);\n dirty_components.length = 0;\n flushidx = 0;\n while (binding_callbacks.length)\n binding_callbacks.pop()();\n // then, once components are updated, call\n // afterUpdate functions. This may cause\n // subsequent updates...\n for (let i = 0; i < render_callbacks.length; i += 1) {\n const callback = render_callbacks[i];\n if (!seen_callbacks.has(callback)) {\n // ...so guard against infinite loops\n seen_callbacks.add(callback);\n callback();\n }\n }\n render_callbacks.length = 0;\n } while (dirty_components.length);\n while (flush_callbacks.length) {\n flush_callbacks.pop()();\n }\n update_scheduled = false;\n seen_callbacks.clear();\n set_current_component(saved_component);\n}\nfunction update($$) {\n if ($$.fragment !== null) {\n $$.update();\n run_all($$.before_update);\n const dirty = $$.dirty;\n $$.dirty = [-1];\n $$.fragment && $$.fragment.p($$.ctx, dirty);\n $$.after_update.forEach(add_render_callback);\n }\n}\n\nlet promise;\nfunction wait() {\n if (!promise) {\n promise = Promise.resolve();\n promise.then(() => {\n promise = null;\n });\n }\n return promise;\n}\nfunction dispatch(node, direction, kind) {\n node.dispatchEvent(custom_event(`${direction ? 'intro' : 'outro'}${kind}`));\n}\nconst outroing = new Set();\nlet outros;\nfunction group_outros() {\n outros = {\n r: 0,\n c: [],\n p: outros // parent group\n };\n}\nfunction check_outros() {\n if (!outros.r) {\n run_all(outros.c);\n }\n outros = outros.p;\n}\nfunction transition_in(block, local) {\n if (block && block.i) {\n outroing.delete(block);\n block.i(local);\n }\n}\nfunction transition_out(block, local, detach, callback) {\n if (block && block.o) {\n if (outroing.has(block))\n return;\n outroing.add(block);\n outros.c.push(() => {\n outroing.delete(block);\n if (callback) {\n if (detach)\n block.d(1);\n callback();\n }\n });\n block.o(local);\n }\n}\nconst null_transition = { duration: 0 };\nfunction create_in_transition(node, fn, params) {\n let config = fn(node, params);\n let running = false;\n let animation_name;\n let task;\n let uid = 0;\n function cleanup() {\n if (animation_name)\n delete_rule(node, animation_name);\n }\n function go() {\n const { delay = 0, duration = 300, easing = identity, tick = noop, css } = config || null_transition;\n if (css)\n animation_name = create_rule(node, 0, 1, duration, delay, easing, css, uid++);\n tick(0, 1);\n const start_time = now() + delay;\n const end_time = start_time + duration;\n if (task)\n task.abort();\n running = true;\n add_render_callback(() => dispatch(node, true, 'start'));\n task = loop(now => {\n if (running) {\n if (now >= end_time) {\n tick(1, 0);\n dispatch(node, true, 'end');\n cleanup();\n return running = false;\n }\n if (now >= start_time) {\n const t = easing((now - start_time) / duration);\n tick(t, 1 - t);\n }\n }\n return running;\n });\n }\n let started = false;\n return {\n start() {\n if (started)\n return;\n started = true;\n delete_rule(node);\n if (is_function(config)) {\n config = config();\n wait().then(go);\n }\n else {\n go();\n }\n },\n invalidate() {\n started = false;\n },\n end() {\n if (running) {\n cleanup();\n running = false;\n }\n }\n };\n}\nfunction create_out_transition(node, fn, params) {\n let config = fn(node, params);\n let running = true;\n let animation_name;\n const group = outros;\n group.r += 1;\n function go() {\n const { delay = 0, duration = 300, easing = identity, tick = noop, css } = config || null_transition;\n if (css)\n animation_name = create_rule(node, 1, 0, duration, delay, easing, css);\n const start_time = now() + delay;\n const end_time = start_time + duration;\n add_render_callback(() => dispatch(node, false, 'start'));\n loop(now => {\n if (running) {\n if (now >= end_time) {\n tick(0, 1);\n dispatch(node, false, 'end');\n if (!--group.r) {\n // this will result in `end()` being called,\n // so we don't need to clean up here\n run_all(group.c);\n }\n return false;\n }\n if (now >= start_time) {\n const t = easing((now - start_time) / duration);\n tick(1 - t, t);\n }\n }\n return running;\n });\n }\n if (is_function(config)) {\n wait().then(() => {\n // @ts-ignore\n config = config();\n go();\n });\n }\n else {\n go();\n }\n return {\n end(reset) {\n if (reset && config.tick) {\n config.tick(1, 0);\n }\n if (running) {\n if (animation_name)\n delete_rule(node, animation_name);\n running = false;\n }\n }\n };\n}\nfunction create_bidirectional_transition(node, fn, params, intro) {\n let config = fn(node, params);\n let t = intro ? 0 : 1;\n let running_program = null;\n let pending_program = null;\n let animation_name = null;\n function clear_animation() {\n if (animation_name)\n delete_rule(node, animation_name);\n }\n function init(program, duration) {\n const d = (program.b - t);\n duration *= Math.abs(d);\n return {\n a: t,\n b: program.b,\n d,\n duration,\n start: program.start,\n end: program.start + duration,\n group: program.group\n };\n }\n function go(b) {\n const { delay = 0, duration = 300, easing = identity, tick = noop, css } = config || null_transition;\n const program = {\n start: now() + delay,\n b\n };\n if (!b) {\n // @ts-ignore todo: improve typings\n program.group = outros;\n outros.r += 1;\n }\n if (running_program || pending_program) {\n pending_program = program;\n }\n else {\n // if this is an intro, and there's a delay, we need to do\n // an initial tick and/or apply CSS animation immediately\n if (css) {\n clear_animation();\n animation_name = create_rule(node, t, b, duration, delay, easing, css);\n }\n if (b)\n tick(0, 1);\n running_program = init(program, duration);\n add_render_callback(() => dispatch(node, b, 'start'));\n loop(now => {\n if (pending_program && now > pending_program.start) {\n running_program = init(pending_program, duration);\n pending_program = null;\n dispatch(node, running_program.b, 'start');\n if (css) {\n clear_animation();\n animation_name = create_rule(node, t, running_program.b, running_program.duration, 0, easing, config.css);\n }\n }\n if (running_program) {\n if (now >= running_program.end) {\n tick(t = running_program.b, 1 - t);\n dispatch(node, running_program.b, 'end');\n if (!pending_program) {\n // we're done\n if (running_program.b) {\n // intro — we can tidy up immediately\n clear_animation();\n }\n else {\n // outro — needs to be coordinated\n if (!--running_program.group.r)\n run_all(running_program.group.c);\n }\n }\n running_program = null;\n }\n else if (now >= running_program.start) {\n const p = now - running_program.start;\n t = running_program.a + running_program.d * easing(p / running_program.duration);\n tick(t, 1 - t);\n }\n }\n return !!(running_program || pending_program);\n });\n }\n }\n return {\n run(b) {\n if (is_function(config)) {\n wait().then(() => {\n // @ts-ignore\n config = config();\n go(b);\n });\n }\n else {\n go(b);\n }\n },\n end() {\n clear_animation();\n running_program = pending_program = null;\n }\n };\n}\n\nfunction handle_promise(promise, info) {\n const token = info.token = {};\n function update(type, index, key, value) {\n if (info.token !== token)\n return;\n info.resolved = value;\n let child_ctx = info.ctx;\n if (key !== undefined) {\n child_ctx = child_ctx.slice();\n child_ctx[key] = value;\n }\n const block = type && (info.current = type)(child_ctx);\n let needs_flush = false;\n if (info.block) {\n if (info.blocks) {\n info.blocks.forEach((block, i) => {\n if (i !== index && block) {\n group_outros();\n transition_out(block, 1, 1, () => {\n if (info.blocks[i] === block) {\n info.blocks[i] = null;\n }\n });\n check_outros();\n }\n });\n }\n else {\n info.block.d(1);\n }\n block.c();\n transition_in(block, 1);\n block.m(info.mount(), info.anchor);\n needs_flush = true;\n }\n info.block = block;\n if (info.blocks)\n info.blocks[index] = block;\n if (needs_flush) {\n flush();\n }\n }\n if (is_promise(promise)) {\n const current_component = get_current_component();\n promise.then(value => {\n set_current_component(current_component);\n update(info.then, 1, info.value, value);\n set_current_component(null);\n }, error => {\n set_current_component(current_component);\n update(info.catch, 2, info.error, error);\n set_current_component(null);\n if (!info.hasCatch) {\n throw error;\n }\n });\n // if we previously had a then/catch block, destroy it\n if (info.current !== info.pending) {\n update(info.pending, 0);\n return true;\n }\n }\n else {\n if (info.current !== info.then) {\n update(info.then, 1, info.value, promise);\n return true;\n }\n info.resolved = promise;\n }\n}\nfunction update_await_block_branch(info, ctx, dirty) {\n const child_ctx = ctx.slice();\n const { resolved } = info;\n if (info.current === info.then) {\n child_ctx[info.value] = resolved;\n }\n if (info.current === info.catch) {\n child_ctx[info.error] = resolved;\n }\n info.block.p(child_ctx, dirty);\n}\n\nconst globals = (typeof window !== 'undefined'\n ? window\n : typeof globalThis !== 'undefined'\n ? globalThis\n : global);\n\nfunction destroy_block(block, lookup) {\n block.d(1);\n lookup.delete(block.key);\n}\nfunction outro_and_destroy_block(block, lookup) {\n transition_out(block, 1, 1, () => {\n lookup.delete(block.key);\n });\n}\nfunction fix_and_destroy_block(block, lookup) {\n block.f();\n destroy_block(block, lookup);\n}\nfunction fix_and_outro_and_destroy_block(block, lookup) {\n block.f();\n outro_and_destroy_block(block, lookup);\n}\nfunction update_keyed_each(old_blocks, dirty, get_key, dynamic, ctx, list, lookup, node, destroy, create_each_block, next, get_context) {\n let o = old_blocks.length;\n let n = list.length;\n let i = o;\n const old_indexes = {};\n while (i--)\n old_indexes[old_blocks[i].key] = i;\n const new_blocks = [];\n const new_lookup = new Map();\n const deltas = new Map();\n i = n;\n while (i--) {\n const child_ctx = get_context(ctx, list, i);\n const key = get_key(child_ctx);\n let block = lookup.get(key);\n if (!block) {\n block = create_each_block(key, child_ctx);\n block.c();\n }\n else if (dynamic) {\n block.p(child_ctx, dirty);\n }\n new_lookup.set(key, new_blocks[i] = block);\n if (key in old_indexes)\n deltas.set(key, Math.abs(i - old_indexes[key]));\n }\n const will_move = new Set();\n const did_move = new Set();\n function insert(block) {\n transition_in(block, 1);\n block.m(node, next);\n lookup.set(block.key, block);\n next = block.first;\n n--;\n }\n while (o && n) {\n const new_block = new_blocks[n - 1];\n const old_block = old_blocks[o - 1];\n const new_key = new_block.key;\n const old_key = old_block.key;\n if (new_block === old_block) {\n // do nothing\n next = new_block.first;\n o--;\n n--;\n }\n else if (!new_lookup.has(old_key)) {\n // remove old block\n destroy(old_block, lookup);\n o--;\n }\n else if (!lookup.has(new_key) || will_move.has(new_key)) {\n insert(new_block);\n }\n else if (did_move.has(old_key)) {\n o--;\n }\n else if (deltas.get(new_key) > deltas.get(old_key)) {\n did_move.add(new_key);\n insert(new_block);\n }\n else {\n will_move.add(old_key);\n o--;\n }\n }\n while (o--) {\n const old_block = old_blocks[o];\n if (!new_lookup.has(old_block.key))\n destroy(old_block, lookup);\n }\n while (n)\n insert(new_blocks[n - 1]);\n return new_blocks;\n}\nfunction validate_each_keys(ctx, list, get_context, get_key) {\n const keys = new Set();\n for (let i = 0; i < list.length; i++) {\n const key = get_key(get_context(ctx, list, i));\n if (keys.has(key)) {\n throw new Error('Cannot have duplicate keys in a keyed each');\n }\n keys.add(key);\n }\n}\n\nfunction get_spread_update(levels, updates) {\n const update = {};\n const to_null_out = {};\n const accounted_for = { $$scope: 1 };\n let i = levels.length;\n while (i--) {\n const o = levels[i];\n const n = updates[i];\n if (n) {\n for (const key in o) {\n if (!(key in n))\n to_null_out[key] = 1;\n }\n for (const key in n) {\n if (!accounted_for[key]) {\n update[key] = n[key];\n accounted_for[key] = 1;\n }\n }\n levels[i] = n;\n }\n else {\n for (const key in o) {\n accounted_for[key] = 1;\n }\n }\n }\n for (const key in to_null_out) {\n if (!(key in update))\n update[key] = undefined;\n }\n return update;\n}\nfunction get_spread_object(spread_props) {\n return typeof spread_props === 'object' && spread_props !== null ? spread_props : {};\n}\n\n// source: https://html.spec.whatwg.org/multipage/indices.html\nconst boolean_attributes = new Set([\n 'allowfullscreen',\n 'allowpaymentrequest',\n 'async',\n 'autofocus',\n 'autoplay',\n 'checked',\n 'controls',\n 'default',\n 'defer',\n 'disabled',\n 'formnovalidate',\n 'hidden',\n 'ismap',\n 'loop',\n 'multiple',\n 'muted',\n 'nomodule',\n 'novalidate',\n 'open',\n 'playsinline',\n 'readonly',\n 'required',\n 'reversed',\n 'selected'\n]);\n\nconst invalid_attribute_name_character = /[\\s'\">/=\\u{FDD0}-\\u{FDEF}\\u{FFFE}\\u{FFFF}\\u{1FFFE}\\u{1FFFF}\\u{2FFFE}\\u{2FFFF}\\u{3FFFE}\\u{3FFFF}\\u{4FFFE}\\u{4FFFF}\\u{5FFFE}\\u{5FFFF}\\u{6FFFE}\\u{6FFFF}\\u{7FFFE}\\u{7FFFF}\\u{8FFFE}\\u{8FFFF}\\u{9FFFE}\\u{9FFFF}\\u{AFFFE}\\u{AFFFF}\\u{BFFFE}\\u{BFFFF}\\u{CFFFE}\\u{CFFFF}\\u{DFFFE}\\u{DFFFF}\\u{EFFFE}\\u{EFFFF}\\u{FFFFE}\\u{FFFFF}\\u{10FFFE}\\u{10FFFF}]/u;\n// https://html.spec.whatwg.org/multipage/syntax.html#attributes-2\n// https://infra.spec.whatwg.org/#noncharacter\nfunction spread(args, attrs_to_add) {\n const attributes = Object.assign({}, ...args);\n if (attrs_to_add) {\n const classes_to_add = attrs_to_add.classes;\n const styles_to_add = attrs_to_add.styles;\n if (classes_to_add) {\n if (attributes.class == null) {\n attributes.class = classes_to_add;\n }\n else {\n attributes.class += ' ' + classes_to_add;\n }\n }\n if (styles_to_add) {\n if (attributes.style == null) {\n attributes.style = style_object_to_string(styles_to_add);\n }\n else {\n attributes.style = style_object_to_string(merge_ssr_styles(attributes.style, styles_to_add));\n }\n }\n }\n let str = '';\n Object.keys(attributes).forEach(name => {\n if (invalid_attribute_name_character.test(name))\n return;\n const value = attributes[name];\n if (value === true)\n str += ' ' + name;\n else if (boolean_attributes.has(name.toLowerCase())) {\n if (value)\n str += ' ' + name;\n }\n else if (value != null) {\n str += ` ${name}=\"${value}\"`;\n }\n });\n return str;\n}\nfunction merge_ssr_styles(style_attribute, style_directive) {\n const style_object = {};\n for (const individual_style of style_attribute.split(';')) {\n const colon_index = individual_style.indexOf(':');\n const name = individual_style.slice(0, colon_index).trim();\n const value = individual_style.slice(colon_index + 1).trim();\n if (!name)\n continue;\n style_object[name] = value;\n }\n for (const name in style_directive) {\n const value = style_directive[name];\n if (value) {\n style_object[name] = value;\n }\n else {\n delete style_object[name];\n }\n }\n return style_object;\n}\nconst escaped = {\n '\"': '"',\n \"'\": ''',\n '&': '&',\n '<': '<',\n '>': '>'\n};\nfunction escape(html) {\n return String(html).replace(/[\"'&<>]/g, match => escaped[match]);\n}\nfunction escape_attribute_value(value) {\n return typeof value === 'string' ? escape(value) : value;\n}\nfunction escape_object(obj) {\n const result = {};\n for (const key in obj) {\n result[key] = escape_attribute_value(obj[key]);\n }\n return result;\n}\nfunction each(items, fn) {\n let str = '';\n for (let i = 0; i < items.length; i += 1) {\n str += fn(items[i], i);\n }\n return str;\n}\nconst missing_component = {\n $$render: () => ''\n};\nfunction validate_component(component, name) {\n if (!component || !component.$$render) {\n if (name === 'svelte:component')\n name += ' this={...}';\n throw new Error(`<${name}> is not a valid SSR component. You may need to review your build config to ensure that dependencies are compiled, rather than imported as pre-compiled modules`);\n }\n return component;\n}\nfunction debug(file, line, column, values) {\n console.log(`{@debug} ${file ? file + ' ' : ''}(${line}:${column})`); // eslint-disable-line no-console\n console.log(values); // eslint-disable-line no-console\n return '';\n}\nlet on_destroy;\nfunction create_ssr_component(fn) {\n function $$render(result, props, bindings, slots, context) {\n const parent_component = current_component;\n const $$ = {\n on_destroy,\n context: new Map(context || (parent_component ? parent_component.$$.context : [])),\n // these will be immediately discarded\n on_mount: [],\n before_update: [],\n after_update: [],\n callbacks: blank_object()\n };\n set_current_component({ $$ });\n const html = fn(result, props, bindings, slots);\n set_current_component(parent_component);\n return html;\n }\n return {\n render: (props = {}, { $$slots = {}, context = new Map() } = {}) => {\n on_destroy = [];\n const result = { title: '', head: '', css: new Set() };\n const html = $$render(result, props, {}, $$slots, context);\n run_all(on_destroy);\n return {\n html,\n css: {\n code: Array.from(result.css).map(css => css.code).join('\\n'),\n map: null // TODO\n },\n head: result.title + result.head\n };\n },\n $$render\n };\n}\nfunction add_attribute(name, value, boolean) {\n if (value == null || (boolean && !value))\n return '';\n const assignment = (boolean && value === true) ? '' : `=\"${escape_attribute_value(value.toString())}\"`;\n return ` ${name}${assignment}`;\n}\nfunction add_classes(classes) {\n return classes ? ` class=\"${classes}\"` : '';\n}\nfunction style_object_to_string(style_object) {\n return Object.keys(style_object)\n .filter(key => style_object[key])\n .map(key => `${key}: ${style_object[key]};`)\n .join(' ');\n}\nfunction add_styles(style_object) {\n const styles = style_object_to_string(style_object);\n return styles ? ` style=\"${styles}\"` : '';\n}\n\nfunction bind(component, name, callback) {\n const index = component.$$.props[name];\n if (index !== undefined) {\n component.$$.bound[index] = callback;\n callback(component.$$.ctx[index]);\n }\n}\nfunction create_component(block) {\n block && block.c();\n}\nfunction claim_component(block, parent_nodes) {\n block && block.l(parent_nodes);\n}\nfunction mount_component(component, target, anchor, customElement) {\n const { fragment, on_mount, on_destroy, after_update } = component.$$;\n fragment && fragment.m(target, anchor);\n if (!customElement) {\n // onMount happens before the initial afterUpdate\n add_render_callback(() => {\n const new_on_destroy = on_mount.map(run).filter(is_function);\n if (on_destroy) {\n on_destroy.push(...new_on_destroy);\n }\n else {\n // Edge case - component was destroyed immediately,\n // most likely as a result of a binding initialising\n run_all(new_on_destroy);\n }\n component.$$.on_mount = [];\n });\n }\n after_update.forEach(add_render_callback);\n}\nfunction destroy_component(component, detaching) {\n const $$ = component.$$;\n if ($$.fragment !== null) {\n run_all($$.on_destroy);\n $$.fragment && $$.fragment.d(detaching);\n // TODO null out other refs, including component.$$ (but need to\n // preserve final state?)\n $$.on_destroy = $$.fragment = null;\n $$.ctx = [];\n }\n}\nfunction make_dirty(component, i) {\n if (component.$$.dirty[0] === -1) {\n dirty_components.push(component);\n schedule_update();\n component.$$.dirty.fill(0);\n }\n component.$$.dirty[(i / 31) | 0] |= (1 << (i % 31));\n}\nfunction init(component, options, instance, create_fragment, not_equal, props, append_styles, dirty = [-1]) {\n const parent_component = current_component;\n set_current_component(component);\n const $$ = component.$$ = {\n fragment: null,\n ctx: null,\n // state\n props,\n update: noop,\n not_equal,\n bound: blank_object(),\n // lifecycle\n on_mount: [],\n on_destroy: [],\n on_disconnect: [],\n before_update: [],\n after_update: [],\n context: new Map(options.context || (parent_component ? parent_component.$$.context : [])),\n // everything else\n callbacks: blank_object(),\n dirty,\n skip_bound: false,\n root: options.target || parent_component.$$.root\n };\n append_styles && append_styles($$.root);\n let ready = false;\n $$.ctx = instance\n ? instance(component, options.props || {}, (i, ret, ...rest) => {\n const value = rest.length ? rest[0] : ret;\n if ($$.ctx && not_equal($$.ctx[i], $$.ctx[i] = value)) {\n if (!$$.skip_bound && $$.bound[i])\n $$.bound[i](value);\n if (ready)\n make_dirty(component, i);\n }\n return ret;\n })\n : [];\n $$.update();\n ready = true;\n run_all($$.before_update);\n // `false` as a special case of no DOM component\n $$.fragment = create_fragment ? create_fragment($$.ctx) : false;\n if (options.target) {\n if (options.hydrate) {\n start_hydrating();\n const nodes = children(options.target);\n // eslint-disable-next-line @typescript-eslint/no-non-null-assertion\n $$.fragment && $$.fragment.l(nodes);\n nodes.forEach(detach);\n }\n else {\n // eslint-disable-next-line @typescript-eslint/no-non-null-assertion\n $$.fragment && $$.fragment.c();\n }\n if (options.intro)\n transition_in(component.$$.fragment);\n mount_component(component, options.target, options.anchor, options.customElement);\n end_hydrating();\n flush();\n }\n set_current_component(parent_component);\n}\nlet SvelteElement;\nif (typeof HTMLElement === 'function') {\n SvelteElement = class extends HTMLElement {\n constructor() {\n super();\n this.attachShadow({ mode: 'open' });\n }\n connectedCallback() {\n const { on_mount } = this.$$;\n this.$$.on_disconnect = on_mount.map(run).filter(is_function);\n // @ts-ignore todo: improve typings\n for (const key in this.$$.slotted) {\n // @ts-ignore todo: improve typings\n this.appendChild(this.$$.slotted[key]);\n }\n }\n attributeChangedCallback(attr, _oldValue, newValue) {\n this[attr] = newValue;\n }\n disconnectedCallback() {\n run_all(this.$$.on_disconnect);\n }\n $destroy() {\n destroy_component(this, 1);\n this.$destroy = noop;\n }\n $on(type, callback) {\n // TODO should this delegate to addEventListener?\n const callbacks = (this.$$.callbacks[type] || (this.$$.callbacks[type] = []));\n callbacks.push(callback);\n return () => {\n const index = callbacks.indexOf(callback);\n if (index !== -1)\n callbacks.splice(index, 1);\n };\n }\n $set($$props) {\n if (this.$$set && !is_empty($$props)) {\n this.$$.skip_bound = true;\n this.$$set($$props);\n this.$$.skip_bound = false;\n }\n }\n };\n}\n/**\n * Base class for Svelte components. Used when dev=false.\n */\nclass SvelteComponent {\n $destroy() {\n destroy_component(this, 1);\n this.$destroy = noop;\n }\n $on(type, callback) {\n const callbacks = (this.$$.callbacks[type] || (this.$$.callbacks[type] = []));\n callbacks.push(callback);\n return () => {\n const index = callbacks.indexOf(callback);\n if (index !== -1)\n callbacks.splice(index, 1);\n };\n }\n $set($$props) {\n if (this.$$set && !is_empty($$props)) {\n this.$$.skip_bound = true;\n this.$$set($$props);\n this.$$.skip_bound = false;\n }\n }\n}\n\nfunction dispatch_dev(type, detail) {\n document.dispatchEvent(custom_event(type, Object.assign({ version: '3.46.6' }, detail), true));\n}\nfunction append_dev(target, node) {\n dispatch_dev('SvelteDOMInsert', { target, node });\n append(target, node);\n}\nfunction append_hydration_dev(target, node) {\n dispatch_dev('SvelteDOMInsert', { target, node });\n append_hydration(target, node);\n}\nfunction insert_dev(target, node, anchor) {\n dispatch_dev('SvelteDOMInsert', { target, node, anchor });\n insert(target, node, anchor);\n}\nfunction insert_hydration_dev(target, node, anchor) {\n dispatch_dev('SvelteDOMInsert', { target, node, anchor });\n insert_hydration(target, node, anchor);\n}\nfunction detach_dev(node) {\n dispatch_dev('SvelteDOMRemove', { node });\n detach(node);\n}\nfunction detach_between_dev(before, after) {\n while (before.nextSibling && before.nextSibling !== after) {\n detach_dev(before.nextSibling);\n }\n}\nfunction detach_before_dev(after) {\n while (after.previousSibling) {\n detach_dev(after.previousSibling);\n }\n}\nfunction detach_after_dev(before) {\n while (before.nextSibling) {\n detach_dev(before.nextSibling);\n }\n}\nfunction listen_dev(node, event, handler, options, has_prevent_default, has_stop_propagation) {\n const modifiers = options === true ? ['capture'] : options ? Array.from(Object.keys(options)) : [];\n if (has_prevent_default)\n modifiers.push('preventDefault');\n if (has_stop_propagation)\n modifiers.push('stopPropagation');\n dispatch_dev('SvelteDOMAddEventListener', { node, event, handler, modifiers });\n const dispose = listen(node, event, handler, options);\n return () => {\n dispatch_dev('SvelteDOMRemoveEventListener', { node, event, handler, modifiers });\n dispose();\n };\n}\nfunction attr_dev(node, attribute, value) {\n attr(node, attribute, value);\n if (value == null)\n dispatch_dev('SvelteDOMRemoveAttribute', { node, attribute });\n else\n dispatch_dev('SvelteDOMSetAttribute', { node, attribute, value });\n}\nfunction prop_dev(node, property, value) {\n node[property] = value;\n dispatch_dev('SvelteDOMSetProperty', { node, property, value });\n}\nfunction dataset_dev(node, property, value) {\n node.dataset[property] = value;\n dispatch_dev('SvelteDOMSetDataset', { node, property, value });\n}\nfunction set_data_dev(text, data) {\n data = '' + data;\n if (text.wholeText === data)\n return;\n dispatch_dev('SvelteDOMSetData', { node: text, data });\n text.data = data;\n}\nfunction validate_each_argument(arg) {\n if (typeof arg !== 'string' && !(arg && typeof arg === 'object' && 'length' in arg)) {\n let msg = '{#each} only iterates over array-like objects.';\n if (typeof Symbol === 'function' && arg && Symbol.iterator in arg) {\n msg += ' You can use a spread to convert this iterable into an array.';\n }\n throw new Error(msg);\n }\n}\nfunction validate_slots(name, slot, keys) {\n for (const slot_key of Object.keys(slot)) {\n if (!~keys.indexOf(slot_key)) {\n console.warn(`<${name}> received an unexpected slot \"${slot_key}\".`);\n }\n }\n}\n/**\n * Base class for Svelte components with some minor dev-enhancements. Used when dev=true.\n */\nclass SvelteComponentDev extends SvelteComponent {\n constructor(options) {\n if (!options || (!options.target && !options.$$inline)) {\n throw new Error(\"'target' is a required option\");\n }\n super();\n }\n $destroy() {\n super.$destroy();\n this.$destroy = () => {\n console.warn('Component was already destroyed'); // eslint-disable-line no-console\n };\n }\n $capture_state() { }\n $inject_state() { }\n}\n/**\n * Base class to create strongly typed Svelte components.\n * This only exists for typing purposes and should be used in `.d.ts` files.\n *\n * ### Example:\n *\n * You have component library on npm called `component-library`, from which\n * you export a component called `MyComponent`. For Svelte+TypeScript users,\n * you want to provide typings. Therefore you create a `index.d.ts`:\n * ```ts\n * import { SvelteComponentTyped } from \"svelte\";\n * export class MyComponent extends SvelteComponentTyped<{foo: string}> {}\n * ```\n * Typing this makes it possible for IDEs like VS Code with the Svelte extension\n * to provide intellisense and to use the component like this in a Svelte file\n * with TypeScript:\n * ```svelte\n * \n *