{"version":3,"file":"turbo.min.js","sources":["../../../node_modules/@hotwired/turbo/dist/turbo.es2017-esm.js","../../javascript/turbo/cable.js","../../javascript/turbo/snakeize.js","../../javascript/turbo/cable_stream_source_element.js","../../javascript/turbo/index.js","../../javascript/turbo/fetch_requests.js","../../../node_modules/@rails/actioncable/src/adapters.js","../../../node_modules/@rails/actioncable/src/logger.js","../../../node_modules/@rails/actioncable/src/connection_monitor.js","../../../node_modules/@rails/actioncable/src/internal.js","../../../node_modules/@rails/actioncable/src/connection.js","../../../node_modules/@rails/actioncable/src/subscription.js","../../../node_modules/@rails/actioncable/src/subscription_guarantor.js","../../../node_modules/@rails/actioncable/src/subscriptions.js","../../../node_modules/@rails/actioncable/src/consumer.js","../../../node_modules/@rails/actioncable/src/index.js"],"sourcesContent":["/*!\nTurbo 8.0.0-beta.1\nCopyright © 2023 37signals LLC\n */\n/**\n * The MIT License (MIT)\n *\n * Copyright (c) 2019 Javan Makhmali\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\n(function (prototype) {\n if (typeof prototype.requestSubmit == \"function\") return\n\n prototype.requestSubmit = function (submitter) {\n if (submitter) {\n validateSubmitter(submitter, this);\n submitter.click();\n } else {\n submitter = document.createElement(\"input\");\n submitter.type = \"submit\";\n submitter.hidden = true;\n this.appendChild(submitter);\n submitter.click();\n this.removeChild(submitter);\n }\n };\n\n function validateSubmitter(submitter, form) {\n submitter instanceof HTMLElement || raise(TypeError, \"parameter 1 is not of type 'HTMLElement'\");\n submitter.type == \"submit\" || raise(TypeError, \"The specified element is not a submit button\");\n submitter.form == form ||\n raise(DOMException, \"The specified element is not owned by this form element\", \"NotFoundError\");\n }\n\n function raise(errorConstructor, message, name) {\n throw new errorConstructor(\"Failed to execute 'requestSubmit' on 'HTMLFormElement': \" + message + \".\", name)\n }\n})(HTMLFormElement.prototype);\n\nconst submittersByForm = new WeakMap();\n\nfunction findSubmitterFromClickTarget(target) {\n const element = target instanceof Element ? target : target instanceof Node ? target.parentElement : null;\n const candidate = element ? element.closest(\"input, button\") : null;\n return candidate?.type == \"submit\" ? candidate : null\n}\n\nfunction clickCaptured(event) {\n const submitter = findSubmitterFromClickTarget(event.target);\n\n if (submitter && submitter.form) {\n submittersByForm.set(submitter.form, submitter);\n }\n}\n\n(function () {\n if (\"submitter\" in Event.prototype) return\n\n let prototype = window.Event.prototype;\n // Certain versions of Safari 15 have a bug where they won't\n // populate the submitter. This hurts TurboDrive's enable/disable detection.\n // See https://bugs.webkit.org/show_bug.cgi?id=229660\n if (\"SubmitEvent\" in window) {\n const prototypeOfSubmitEvent = window.SubmitEvent.prototype;\n\n if (/Apple Computer/.test(navigator.vendor) && !(\"submitter\" in prototypeOfSubmitEvent)) {\n prototype = prototypeOfSubmitEvent;\n } else {\n return // polyfill not needed\n }\n }\n\n addEventListener(\"click\", clickCaptured, true);\n\n Object.defineProperty(prototype, \"submitter\", {\n get() {\n if (this.type == \"submit\" && this.target instanceof HTMLFormElement) {\n return submittersByForm.get(this.target)\n }\n }\n });\n})();\n\nconst FrameLoadingStyle = {\n eager: \"eager\",\n lazy: \"lazy\"\n};\n\n/**\n * Contains a fragment of HTML which is updated based on navigation within\n * it (e.g. via links or form submissions).\n *\n * @customElement turbo-frame\n * @example\n * \n * \n * Show all expanded messages in this frame.\n * \n *\n * \n * \n */\nclass FrameElement extends HTMLElement {\n static delegateConstructor = undefined\n\n loaded = Promise.resolve()\n\n static get observedAttributes() {\n return [\"disabled\", \"complete\", \"loading\", \"src\"]\n }\n\n constructor() {\n super();\n this.delegate = new FrameElement.delegateConstructor(this);\n }\n\n connectedCallback() {\n this.delegate.connect();\n }\n\n disconnectedCallback() {\n this.delegate.disconnect();\n }\n\n reload() {\n return this.delegate.sourceURLReloaded()\n }\n\n attributeChangedCallback(name) {\n if (name == \"loading\") {\n this.delegate.loadingStyleChanged();\n } else if (name == \"complete\") {\n this.delegate.completeChanged();\n } else if (name == \"src\") {\n this.delegate.sourceURLChanged();\n } else {\n this.delegate.disabledChanged();\n }\n }\n\n /**\n * Gets the URL to lazily load source HTML from\n */\n get src() {\n return this.getAttribute(\"src\")\n }\n\n /**\n * Sets the URL to lazily load source HTML from\n */\n set src(value) {\n if (value) {\n this.setAttribute(\"src\", value);\n } else {\n this.removeAttribute(\"src\");\n }\n }\n\n /**\n * Gets the refresh mode for the frame.\n */\n get refresh() {\n return this.getAttribute(\"refresh\")\n }\n\n /**\n * Sets the refresh mode for the frame.\n */\n set refresh(value) {\n if (value) {\n this.setAttribute(\"refresh\", value);\n } else {\n this.removeAttribute(\"refresh\");\n }\n }\n\n /**\n * Determines if the element is loading\n */\n get loading() {\n return frameLoadingStyleFromString(this.getAttribute(\"loading\") || \"\")\n }\n\n /**\n * Sets the value of if the element is loading\n */\n set loading(value) {\n if (value) {\n this.setAttribute(\"loading\", value);\n } else {\n this.removeAttribute(\"loading\");\n }\n }\n\n /**\n * Gets the disabled state of the frame.\n *\n * If disabled, no requests will be intercepted by the frame.\n */\n get disabled() {\n return this.hasAttribute(\"disabled\")\n }\n\n /**\n * Sets the disabled state of the frame.\n *\n * If disabled, no requests will be intercepted by the frame.\n */\n set disabled(value) {\n if (value) {\n this.setAttribute(\"disabled\", \"\");\n } else {\n this.removeAttribute(\"disabled\");\n }\n }\n\n /**\n * Gets the autoscroll state of the frame.\n *\n * If true, the frame will be scrolled into view automatically on update.\n */\n get autoscroll() {\n return this.hasAttribute(\"autoscroll\")\n }\n\n /**\n * Sets the autoscroll state of the frame.\n *\n * If true, the frame will be scrolled into view automatically on update.\n */\n set autoscroll(value) {\n if (value) {\n this.setAttribute(\"autoscroll\", \"\");\n } else {\n this.removeAttribute(\"autoscroll\");\n }\n }\n\n /**\n * Determines if the element has finished loading\n */\n get complete() {\n return !this.delegate.isLoading\n }\n\n /**\n * Gets the active state of the frame.\n *\n * If inactive, source changes will not be observed.\n */\n get isActive() {\n return this.ownerDocument === document && !this.isPreview\n }\n\n /**\n * Sets the active state of the frame.\n *\n * If inactive, source changes will not be observed.\n */\n get isPreview() {\n return this.ownerDocument?.documentElement?.hasAttribute(\"data-turbo-preview\")\n }\n}\n\nfunction frameLoadingStyleFromString(style) {\n switch (style.toLowerCase()) {\n case \"lazy\":\n return FrameLoadingStyle.lazy\n default:\n return FrameLoadingStyle.eager\n }\n}\n\nfunction expandURL(locatable) {\n return new URL(locatable.toString(), document.baseURI)\n}\n\nfunction getAnchor(url) {\n let anchorMatch;\n if (url.hash) {\n return url.hash.slice(1)\n // eslint-disable-next-line no-cond-assign\n } else if ((anchorMatch = url.href.match(/#(.*)$/))) {\n return anchorMatch[1]\n }\n}\n\nfunction getAction$1(form, submitter) {\n const action = submitter?.getAttribute(\"formaction\") || form.getAttribute(\"action\") || form.action;\n\n return expandURL(action)\n}\n\nfunction getExtension(url) {\n return (getLastPathComponent(url).match(/\\.[^.]*$/) || [])[0] || \"\"\n}\n\nfunction isHTML(url) {\n return !!getExtension(url).match(/^(?:|\\.(?:htm|html|xhtml|php))$/)\n}\n\nfunction isPrefixedBy(baseURL, url) {\n const prefix = getPrefix(url);\n return baseURL.href === expandURL(prefix).href || baseURL.href.startsWith(prefix)\n}\n\nfunction locationIsVisitable(location, rootLocation) {\n return isPrefixedBy(location, rootLocation) && isHTML(location)\n}\n\nfunction getRequestURL(url) {\n const anchor = getAnchor(url);\n return anchor != null ? url.href.slice(0, -(anchor.length + 1)) : url.href\n}\n\nfunction toCacheKey(url) {\n return getRequestURL(url)\n}\n\nfunction urlsAreEqual(left, right) {\n return expandURL(left).href == expandURL(right).href\n}\n\nfunction getPathComponents(url) {\n return url.pathname.split(\"/\").slice(1)\n}\n\nfunction getLastPathComponent(url) {\n return getPathComponents(url).slice(-1)[0]\n}\n\nfunction getPrefix(url) {\n return addTrailingSlash(url.origin + url.pathname)\n}\n\nfunction addTrailingSlash(value) {\n return value.endsWith(\"/\") ? value : value + \"/\"\n}\n\nclass FetchResponse {\n constructor(response) {\n this.response = response;\n }\n\n get succeeded() {\n return this.response.ok\n }\n\n get failed() {\n return !this.succeeded\n }\n\n get clientError() {\n return this.statusCode >= 400 && this.statusCode <= 499\n }\n\n get serverError() {\n return this.statusCode >= 500 && this.statusCode <= 599\n }\n\n get redirected() {\n return this.response.redirected\n }\n\n get location() {\n return expandURL(this.response.url)\n }\n\n get isHTML() {\n return this.contentType && this.contentType.match(/^(?:text\\/([^\\s;,]+\\b)?html|application\\/xhtml\\+xml)\\b/)\n }\n\n get statusCode() {\n return this.response.status\n }\n\n get contentType() {\n return this.header(\"Content-Type\")\n }\n\n get responseText() {\n return this.response.clone().text()\n }\n\n get responseHTML() {\n if (this.isHTML) {\n return this.response.clone().text()\n } else {\n return Promise.resolve(undefined)\n }\n }\n\n header(name) {\n return this.response.headers.get(name)\n }\n}\n\nfunction activateScriptElement(element) {\n if (element.getAttribute(\"data-turbo-eval\") == \"false\") {\n return element\n } else {\n const createdScriptElement = document.createElement(\"script\");\n const cspNonce = getMetaContent(\"csp-nonce\");\n if (cspNonce) {\n createdScriptElement.nonce = cspNonce;\n }\n createdScriptElement.textContent = element.textContent;\n createdScriptElement.async = false;\n copyElementAttributes(createdScriptElement, element);\n return createdScriptElement\n }\n}\n\nfunction copyElementAttributes(destinationElement, sourceElement) {\n for (const { name, value } of sourceElement.attributes) {\n destinationElement.setAttribute(name, value);\n }\n}\n\nfunction createDocumentFragment(html) {\n const template = document.createElement(\"template\");\n template.innerHTML = html;\n return template.content\n}\n\nfunction dispatch(eventName, { target, cancelable, detail } = {}) {\n const event = new CustomEvent(eventName, {\n cancelable,\n bubbles: true,\n composed: true,\n detail\n });\n\n if (target && target.isConnected) {\n target.dispatchEvent(event);\n } else {\n document.documentElement.dispatchEvent(event);\n }\n\n return event\n}\n\nfunction nextRepaint() {\n if (document.visibilityState === \"hidden\") {\n return nextEventLoopTick()\n } else {\n return nextAnimationFrame()\n }\n}\n\nfunction nextAnimationFrame() {\n return new Promise((resolve) => requestAnimationFrame(() => resolve()))\n}\n\nfunction nextEventLoopTick() {\n return new Promise((resolve) => setTimeout(() => resolve(), 0))\n}\n\nfunction nextMicrotask() {\n return Promise.resolve()\n}\n\nfunction parseHTMLDocument(html = \"\") {\n return new DOMParser().parseFromString(html, \"text/html\")\n}\n\nfunction unindent(strings, ...values) {\n const lines = interpolate(strings, values).replace(/^\\n/, \"\").split(\"\\n\");\n const match = lines[0].match(/^\\s+/);\n const indent = match ? match[0].length : 0;\n return lines.map((line) => line.slice(indent)).join(\"\\n\")\n}\n\nfunction interpolate(strings, values) {\n return strings.reduce((result, string, i) => {\n const value = values[i] == undefined ? \"\" : values[i];\n return result + string + value\n }, \"\")\n}\n\nfunction uuid() {\n return Array.from({ length: 36 })\n .map((_, i) => {\n if (i == 8 || i == 13 || i == 18 || i == 23) {\n return \"-\"\n } else if (i == 14) {\n return \"4\"\n } else if (i == 19) {\n return (Math.floor(Math.random() * 4) + 8).toString(16)\n } else {\n return Math.floor(Math.random() * 15).toString(16)\n }\n })\n .join(\"\")\n}\n\nfunction getAttribute(attributeName, ...elements) {\n for (const value of elements.map((element) => element?.getAttribute(attributeName))) {\n if (typeof value == \"string\") return value\n }\n\n return null\n}\n\nfunction hasAttribute(attributeName, ...elements) {\n return elements.some((element) => element && element.hasAttribute(attributeName))\n}\n\nfunction markAsBusy(...elements) {\n for (const element of elements) {\n if (element.localName == \"turbo-frame\") {\n element.setAttribute(\"busy\", \"\");\n }\n element.setAttribute(\"aria-busy\", \"true\");\n }\n}\n\nfunction clearBusyState(...elements) {\n for (const element of elements) {\n if (element.localName == \"turbo-frame\") {\n element.removeAttribute(\"busy\");\n }\n\n element.removeAttribute(\"aria-busy\");\n }\n}\n\nfunction waitForLoad(element, timeoutInMilliseconds = 2000) {\n return new Promise((resolve) => {\n const onComplete = () => {\n element.removeEventListener(\"error\", onComplete);\n element.removeEventListener(\"load\", onComplete);\n resolve();\n };\n\n element.addEventListener(\"load\", onComplete, { once: true });\n element.addEventListener(\"error\", onComplete, { once: true });\n setTimeout(resolve, timeoutInMilliseconds);\n })\n}\n\nfunction getHistoryMethodForAction(action) {\n switch (action) {\n case \"replace\":\n return history.replaceState\n case \"advance\":\n case \"restore\":\n return history.pushState\n }\n}\n\nfunction isAction(action) {\n return action == \"advance\" || action == \"replace\" || action == \"restore\"\n}\n\nfunction getVisitAction(...elements) {\n const action = getAttribute(\"data-turbo-action\", ...elements);\n\n return isAction(action) ? action : null\n}\n\nfunction getMetaElement(name) {\n return document.querySelector(`meta[name=\"${name}\"]`)\n}\n\nfunction getMetaContent(name) {\n const element = getMetaElement(name);\n return element && element.content\n}\n\nfunction setMetaContent(name, content) {\n let element = getMetaElement(name);\n\n if (!element) {\n element = document.createElement(\"meta\");\n element.setAttribute(\"name\", name);\n\n document.head.appendChild(element);\n }\n\n element.setAttribute(\"content\", content);\n\n return element\n}\n\nfunction findClosestRecursively(element, selector) {\n if (element instanceof Element) {\n return (\n element.closest(selector) || findClosestRecursively(element.assignedSlot || element.getRootNode()?.host, selector)\n )\n }\n}\n\nfunction elementIsFocusable(element) {\n const inertDisabledOrHidden = \"[inert], :disabled, [hidden], details:not([open]), dialog:not([open])\";\n\n return !!element && element.closest(inertDisabledOrHidden) == null && typeof element.focus == \"function\"\n}\n\nfunction queryAutofocusableElement(elementOrDocumentFragment) {\n return Array.from(elementOrDocumentFragment.querySelectorAll(\"[autofocus]\")).find(elementIsFocusable)\n}\n\nasync function around(callback, reader) {\n const before = reader();\n\n callback();\n\n await nextAnimationFrame();\n\n const after = reader();\n\n return [before, after]\n}\n\nfunction fetch(url, options = {}) {\n const modifiedHeaders = new Headers(options.headers || {});\n const requestUID = uuid();\n window.Turbo.session.recentRequests.add(requestUID);\n modifiedHeaders.append(\"X-Turbo-Request-Id\", requestUID);\n\n return window.fetch(url, {\n ...options,\n headers: modifiedHeaders\n })\n}\n\nfunction fetchMethodFromString(method) {\n switch (method.toLowerCase()) {\n case \"get\":\n return FetchMethod.get\n case \"post\":\n return FetchMethod.post\n case \"put\":\n return FetchMethod.put\n case \"patch\":\n return FetchMethod.patch\n case \"delete\":\n return FetchMethod.delete\n }\n}\n\nconst FetchMethod = {\n get: \"get\",\n post: \"post\",\n put: \"put\",\n patch: \"patch\",\n delete: \"delete\"\n};\n\nfunction fetchEnctypeFromString(encoding) {\n switch (encoding.toLowerCase()) {\n case FetchEnctype.multipart:\n return FetchEnctype.multipart\n case FetchEnctype.plain:\n return FetchEnctype.plain\n default:\n return FetchEnctype.urlEncoded\n }\n}\n\nconst FetchEnctype = {\n urlEncoded: \"application/x-www-form-urlencoded\",\n multipart: \"multipart/form-data\",\n plain: \"text/plain\"\n};\n\nclass FetchRequest {\n abortController = new AbortController()\n #resolveRequestPromise = (_value) => {}\n\n constructor(delegate, method, location, requestBody = new URLSearchParams(), target = null, enctype = FetchEnctype.urlEncoded) {\n const [url, body] = buildResourceAndBody(expandURL(location), method, requestBody, enctype);\n\n this.delegate = delegate;\n this.url = url;\n this.target = target;\n this.fetchOptions = {\n credentials: \"same-origin\",\n redirect: \"follow\",\n method: method,\n headers: { ...this.defaultHeaders },\n body: body,\n signal: this.abortSignal,\n referrer: this.delegate.referrer?.href\n };\n this.enctype = enctype;\n }\n\n get method() {\n return this.fetchOptions.method\n }\n\n set method(value) {\n const fetchBody = this.isSafe ? this.url.searchParams : this.fetchOptions.body || new FormData();\n const fetchMethod = fetchMethodFromString(value) || FetchMethod.get;\n\n this.url.search = \"\";\n\n const [url, body] = buildResourceAndBody(this.url, fetchMethod, fetchBody, this.enctype);\n\n this.url = url;\n this.fetchOptions.body = body;\n this.fetchOptions.method = fetchMethod;\n }\n\n get headers() {\n return this.fetchOptions.headers\n }\n\n set headers(value) {\n this.fetchOptions.headers = value;\n }\n\n get body() {\n if (this.isSafe) {\n return this.url.searchParams\n } else {\n return this.fetchOptions.body\n }\n }\n\n set body(value) {\n this.fetchOptions.body = value;\n }\n\n get location() {\n return this.url\n }\n\n get params() {\n return this.url.searchParams\n }\n\n get entries() {\n return this.body ? Array.from(this.body.entries()) : []\n }\n\n cancel() {\n this.abortController.abort();\n }\n\n async perform() {\n const { fetchOptions } = this;\n this.delegate.prepareRequest(this);\n await this.#allowRequestToBeIntercepted(fetchOptions);\n try {\n this.delegate.requestStarted(this);\n const response = await fetch(this.url.href, fetchOptions);\n return await this.receive(response)\n } catch (error) {\n if (error.name !== \"AbortError\") {\n if (this.#willDelegateErrorHandling(error)) {\n this.delegate.requestErrored(this, error);\n }\n throw error\n }\n } finally {\n this.delegate.requestFinished(this);\n }\n }\n\n async receive(response) {\n const fetchResponse = new FetchResponse(response);\n const event = dispatch(\"turbo:before-fetch-response\", {\n cancelable: true,\n detail: { fetchResponse },\n target: this.target\n });\n if (event.defaultPrevented) {\n this.delegate.requestPreventedHandlingResponse(this, fetchResponse);\n } else if (fetchResponse.succeeded) {\n this.delegate.requestSucceededWithResponse(this, fetchResponse);\n } else {\n this.delegate.requestFailedWithResponse(this, fetchResponse);\n }\n return fetchResponse\n }\n\n get defaultHeaders() {\n return {\n Accept: \"text/html, application/xhtml+xml\"\n }\n }\n\n get isSafe() {\n return isSafe(this.method)\n }\n\n get abortSignal() {\n return this.abortController.signal\n }\n\n acceptResponseType(mimeType) {\n this.headers[\"Accept\"] = [mimeType, this.headers[\"Accept\"]].join(\", \");\n }\n\n async #allowRequestToBeIntercepted(fetchOptions) {\n const requestInterception = new Promise((resolve) => (this.#resolveRequestPromise = resolve));\n const event = dispatch(\"turbo:before-fetch-request\", {\n cancelable: true,\n detail: {\n fetchOptions,\n url: this.url,\n resume: this.#resolveRequestPromise\n },\n target: this.target\n });\n this.url = event.detail.url;\n if (event.defaultPrevented) await requestInterception;\n }\n\n #willDelegateErrorHandling(error) {\n const event = dispatch(\"turbo:fetch-request-error\", {\n target: this.target,\n cancelable: true,\n detail: { request: this, error: error }\n });\n\n return !event.defaultPrevented\n }\n}\n\nfunction isSafe(fetchMethod) {\n return fetchMethodFromString(fetchMethod) == FetchMethod.get\n}\n\nfunction buildResourceAndBody(resource, method, requestBody, enctype) {\n const searchParams =\n Array.from(requestBody).length > 0 ? new URLSearchParams(entriesExcludingFiles(requestBody)) : resource.searchParams;\n\n if (isSafe(method)) {\n return [mergeIntoURLSearchParams(resource, searchParams), null]\n } else if (enctype == FetchEnctype.urlEncoded) {\n return [resource, searchParams]\n } else {\n return [resource, requestBody]\n }\n}\n\nfunction entriesExcludingFiles(requestBody) {\n const entries = [];\n\n for (const [name, value] of requestBody) {\n if (value instanceof File) continue\n else entries.push([name, value]);\n }\n\n return entries\n}\n\nfunction mergeIntoURLSearchParams(url, requestBody) {\n const searchParams = new URLSearchParams(entriesExcludingFiles(requestBody));\n\n url.search = searchParams.toString();\n\n return url\n}\n\nclass AppearanceObserver {\n started = false\n\n constructor(delegate, element) {\n this.delegate = delegate;\n this.element = element;\n this.intersectionObserver = new IntersectionObserver(this.intersect);\n }\n\n start() {\n if (!this.started) {\n this.started = true;\n this.intersectionObserver.observe(this.element);\n }\n }\n\n stop() {\n if (this.started) {\n this.started = false;\n this.intersectionObserver.unobserve(this.element);\n }\n }\n\n intersect = (entries) => {\n const lastEntry = entries.slice(-1)[0];\n if (lastEntry?.isIntersecting) {\n this.delegate.elementAppearedInViewport(this.element);\n }\n }\n}\n\nclass StreamMessage {\n static contentType = \"text/vnd.turbo-stream.html\"\n\n static wrap(message) {\n if (typeof message == \"string\") {\n return new this(createDocumentFragment(message))\n } else {\n return message\n }\n }\n\n constructor(fragment) {\n this.fragment = importStreamElements(fragment);\n }\n}\n\nfunction importStreamElements(fragment) {\n for (const element of fragment.querySelectorAll(\"turbo-stream\")) {\n const streamElement = document.importNode(element, true);\n\n for (const inertScriptElement of streamElement.templateElement.content.querySelectorAll(\"script\")) {\n inertScriptElement.replaceWith(activateScriptElement(inertScriptElement));\n }\n\n element.replaceWith(streamElement);\n }\n\n return fragment\n}\n\nconst FormSubmissionState = {\n initialized: \"initialized\",\n requesting: \"requesting\",\n waiting: \"waiting\",\n receiving: \"receiving\",\n stopping: \"stopping\",\n stopped: \"stopped\"\n};\n\nclass FormSubmission {\n state = FormSubmissionState.initialized\n\n static confirmMethod(message, _element, _submitter) {\n return Promise.resolve(confirm(message))\n }\n\n constructor(delegate, formElement, submitter, mustRedirect = false) {\n const method = getMethod(formElement, submitter);\n const action = getAction(getFormAction(formElement, submitter), method);\n const body = buildFormData(formElement, submitter);\n const enctype = getEnctype(formElement, submitter);\n\n this.delegate = delegate;\n this.formElement = formElement;\n this.submitter = submitter;\n this.fetchRequest = new FetchRequest(this, method, action, body, formElement, enctype);\n this.mustRedirect = mustRedirect;\n }\n\n get method() {\n return this.fetchRequest.method\n }\n\n set method(value) {\n this.fetchRequest.method = value;\n }\n\n get action() {\n return this.fetchRequest.url.toString()\n }\n\n set action(value) {\n this.fetchRequest.url = expandURL(value);\n }\n\n get body() {\n return this.fetchRequest.body\n }\n\n get enctype() {\n return this.fetchRequest.enctype\n }\n\n get isSafe() {\n return this.fetchRequest.isSafe\n }\n\n get location() {\n return this.fetchRequest.url\n }\n\n // The submission process\n\n async start() {\n const { initialized, requesting } = FormSubmissionState;\n const confirmationMessage = getAttribute(\"data-turbo-confirm\", this.submitter, this.formElement);\n\n if (typeof confirmationMessage === \"string\") {\n const answer = await FormSubmission.confirmMethod(confirmationMessage, this.formElement, this.submitter);\n if (!answer) {\n return\n }\n }\n\n if (this.state == initialized) {\n this.state = requesting;\n return this.fetchRequest.perform()\n }\n }\n\n stop() {\n const { stopping, stopped } = FormSubmissionState;\n if (this.state != stopping && this.state != stopped) {\n this.state = stopping;\n this.fetchRequest.cancel();\n return true\n }\n }\n\n // Fetch request delegate\n\n prepareRequest(request) {\n if (!request.isSafe) {\n const token = getCookieValue(getMetaContent(\"csrf-param\")) || getMetaContent(\"csrf-token\");\n if (token) {\n request.headers[\"X-CSRF-Token\"] = token;\n }\n }\n\n if (this.requestAcceptsTurboStreamResponse(request)) {\n request.acceptResponseType(StreamMessage.contentType);\n }\n }\n\n requestStarted(_request) {\n this.state = FormSubmissionState.waiting;\n this.submitter?.setAttribute(\"disabled\", \"\");\n this.setSubmitsWith();\n dispatch(\"turbo:submit-start\", {\n target: this.formElement,\n detail: { formSubmission: this }\n });\n this.delegate.formSubmissionStarted(this);\n }\n\n requestPreventedHandlingResponse(request, response) {\n this.result = { success: response.succeeded, fetchResponse: response };\n }\n\n requestSucceededWithResponse(request, response) {\n if (response.clientError || response.serverError) {\n this.delegate.formSubmissionFailedWithResponse(this, response);\n } else if (this.requestMustRedirect(request) && responseSucceededWithoutRedirect(response)) {\n const error = new Error(\"Form responses must redirect to another location\");\n this.delegate.formSubmissionErrored(this, error);\n } else {\n this.state = FormSubmissionState.receiving;\n this.result = { success: true, fetchResponse: response };\n this.delegate.formSubmissionSucceededWithResponse(this, response);\n }\n }\n\n requestFailedWithResponse(request, response) {\n this.result = { success: false, fetchResponse: response };\n this.delegate.formSubmissionFailedWithResponse(this, response);\n }\n\n requestErrored(request, error) {\n this.result = { success: false, error };\n this.delegate.formSubmissionErrored(this, error);\n }\n\n requestFinished(_request) {\n this.state = FormSubmissionState.stopped;\n this.submitter?.removeAttribute(\"disabled\");\n this.resetSubmitterText();\n dispatch(\"turbo:submit-end\", {\n target: this.formElement,\n detail: { formSubmission: this, ...this.result }\n });\n this.delegate.formSubmissionFinished(this);\n }\n\n // Private\n\n setSubmitsWith() {\n if (!this.submitter || !this.submitsWith) return\n\n if (this.submitter.matches(\"button\")) {\n this.originalSubmitText = this.submitter.innerHTML;\n this.submitter.innerHTML = this.submitsWith;\n } else if (this.submitter.matches(\"input\")) {\n const input = this.submitter;\n this.originalSubmitText = input.value;\n input.value = this.submitsWith;\n }\n }\n\n resetSubmitterText() {\n if (!this.submitter || !this.originalSubmitText) return\n\n if (this.submitter.matches(\"button\")) {\n this.submitter.innerHTML = this.originalSubmitText;\n } else if (this.submitter.matches(\"input\")) {\n const input = this.submitter;\n input.value = this.originalSubmitText;\n }\n }\n\n requestMustRedirect(request) {\n return !request.isSafe && this.mustRedirect\n }\n\n requestAcceptsTurboStreamResponse(request) {\n return !request.isSafe || hasAttribute(\"data-turbo-stream\", this.submitter, this.formElement)\n }\n\n get submitsWith() {\n return this.submitter?.getAttribute(\"data-turbo-submits-with\")\n }\n}\n\nfunction buildFormData(formElement, submitter) {\n const formData = new FormData(formElement);\n const name = submitter?.getAttribute(\"name\");\n const value = submitter?.getAttribute(\"value\");\n\n if (name) {\n formData.append(name, value || \"\");\n }\n\n return formData\n}\n\nfunction getCookieValue(cookieName) {\n if (cookieName != null) {\n const cookies = document.cookie ? document.cookie.split(\"; \") : [];\n const cookie = cookies.find((cookie) => cookie.startsWith(cookieName));\n if (cookie) {\n const value = cookie.split(\"=\").slice(1).join(\"=\");\n return value ? decodeURIComponent(value) : undefined\n }\n }\n}\n\nfunction responseSucceededWithoutRedirect(response) {\n return response.statusCode == 200 && !response.redirected\n}\n\nfunction getFormAction(formElement, submitter) {\n const formElementAction = typeof formElement.action === \"string\" ? formElement.action : null;\n\n if (submitter?.hasAttribute(\"formaction\")) {\n return submitter.getAttribute(\"formaction\") || \"\"\n } else {\n return formElement.getAttribute(\"action\") || formElementAction || \"\"\n }\n}\n\nfunction getAction(formAction, fetchMethod) {\n const action = expandURL(formAction);\n\n if (isSafe(fetchMethod)) {\n action.search = \"\";\n }\n\n return action\n}\n\nfunction getMethod(formElement, submitter) {\n const method = submitter?.getAttribute(\"formmethod\") || formElement.getAttribute(\"method\") || \"\";\n return fetchMethodFromString(method.toLowerCase()) || FetchMethod.get\n}\n\nfunction getEnctype(formElement, submitter) {\n return fetchEnctypeFromString(submitter?.getAttribute(\"formenctype\") || formElement.enctype)\n}\n\nclass Snapshot {\n constructor(element) {\n this.element = element;\n }\n\n get activeElement() {\n return this.element.ownerDocument.activeElement\n }\n\n get children() {\n return [...this.element.children]\n }\n\n hasAnchor(anchor) {\n return this.getElementForAnchor(anchor) != null\n }\n\n getElementForAnchor(anchor) {\n return anchor ? this.element.querySelector(`[id='${anchor}'], a[name='${anchor}']`) : null\n }\n\n get isConnected() {\n return this.element.isConnected\n }\n\n get firstAutofocusableElement() {\n return queryAutofocusableElement(this.element)\n }\n\n get permanentElements() {\n return queryPermanentElementsAll(this.element)\n }\n\n getPermanentElementById(id) {\n return getPermanentElementById(this.element, id)\n }\n\n getPermanentElementMapForSnapshot(snapshot) {\n const permanentElementMap = {};\n\n for (const currentPermanentElement of this.permanentElements) {\n const { id } = currentPermanentElement;\n const newPermanentElement = snapshot.getPermanentElementById(id);\n if (newPermanentElement) {\n permanentElementMap[id] = [currentPermanentElement, newPermanentElement];\n }\n }\n\n return permanentElementMap\n }\n}\n\nfunction getPermanentElementById(node, id) {\n return node.querySelector(`#${id}[data-turbo-permanent]`)\n}\n\nfunction queryPermanentElementsAll(node) {\n return node.querySelectorAll(\"[id][data-turbo-permanent]\")\n}\n\nclass FormSubmitObserver {\n started = false\n\n constructor(delegate, eventTarget) {\n this.delegate = delegate;\n this.eventTarget = eventTarget;\n }\n\n start() {\n if (!this.started) {\n this.eventTarget.addEventListener(\"submit\", this.submitCaptured, true);\n this.started = true;\n }\n }\n\n stop() {\n if (this.started) {\n this.eventTarget.removeEventListener(\"submit\", this.submitCaptured, true);\n this.started = false;\n }\n }\n\n submitCaptured = () => {\n this.eventTarget.removeEventListener(\"submit\", this.submitBubbled, false);\n this.eventTarget.addEventListener(\"submit\", this.submitBubbled, false);\n }\n\n submitBubbled = (event) => {\n if (!event.defaultPrevented) {\n const form = event.target instanceof HTMLFormElement ? event.target : undefined;\n const submitter = event.submitter || undefined;\n\n if (\n form &&\n submissionDoesNotDismissDialog(form, submitter) &&\n submissionDoesNotTargetIFrame(form, submitter) &&\n this.delegate.willSubmitForm(form, submitter)\n ) {\n event.preventDefault();\n event.stopImmediatePropagation();\n this.delegate.formSubmitted(form, submitter);\n }\n }\n }\n}\n\nfunction submissionDoesNotDismissDialog(form, submitter) {\n const method = submitter?.getAttribute(\"formmethod\") || form.getAttribute(\"method\");\n\n return method != \"dialog\"\n}\n\nfunction submissionDoesNotTargetIFrame(form, submitter) {\n if (submitter?.hasAttribute(\"formtarget\") || form.hasAttribute(\"target\")) {\n const target = submitter?.getAttribute(\"formtarget\") || form.target;\n\n for (const element of document.getElementsByName(target)) {\n if (element instanceof HTMLIFrameElement) return false\n }\n\n return true\n } else {\n return true\n }\n}\n\nclass View {\n #resolveRenderPromise = (_value) => {}\n #resolveInterceptionPromise = (_value) => {}\n\n constructor(delegate, element) {\n this.delegate = delegate;\n this.element = element;\n }\n\n // Scrolling\n\n scrollToAnchor(anchor) {\n const element = this.snapshot.getElementForAnchor(anchor);\n if (element) {\n this.scrollToElement(element);\n this.focusElement(element);\n } else {\n this.scrollToPosition({ x: 0, y: 0 });\n }\n }\n\n scrollToAnchorFromLocation(location) {\n this.scrollToAnchor(getAnchor(location));\n }\n\n scrollToElement(element) {\n element.scrollIntoView();\n }\n\n focusElement(element) {\n if (element instanceof HTMLElement) {\n if (element.hasAttribute(\"tabindex\")) {\n element.focus();\n } else {\n element.setAttribute(\"tabindex\", \"-1\");\n element.focus();\n element.removeAttribute(\"tabindex\");\n }\n }\n }\n\n scrollToPosition({ x, y }) {\n this.scrollRoot.scrollTo(x, y);\n }\n\n scrollToTop() {\n this.scrollToPosition({ x: 0, y: 0 });\n }\n\n get scrollRoot() {\n return window\n }\n\n // Rendering\n\n async render(renderer) {\n const { isPreview, shouldRender, newSnapshot: snapshot } = renderer;\n if (shouldRender) {\n try {\n this.renderPromise = new Promise((resolve) => (this.#resolveRenderPromise = resolve));\n this.renderer = renderer;\n await this.prepareToRenderSnapshot(renderer);\n\n const renderInterception = new Promise((resolve) => (this.#resolveInterceptionPromise = resolve));\n const options = { resume: this.#resolveInterceptionPromise, render: this.renderer.renderElement };\n const immediateRender = this.delegate.allowsImmediateRender(snapshot, isPreview, options);\n if (!immediateRender) await renderInterception;\n\n await this.renderSnapshot(renderer);\n this.delegate.viewRenderedSnapshot(snapshot, isPreview, this.renderer.renderMethod);\n this.delegate.preloadOnLoadLinksForView(this.element);\n this.finishRenderingSnapshot(renderer);\n } finally {\n delete this.renderer;\n this.#resolveRenderPromise(undefined);\n delete this.renderPromise;\n }\n } else {\n this.invalidate(renderer.reloadReason);\n }\n }\n\n invalidate(reason) {\n this.delegate.viewInvalidated(reason);\n }\n\n async prepareToRenderSnapshot(renderer) {\n this.markAsPreview(renderer.isPreview);\n await renderer.prepareToRender();\n }\n\n markAsPreview(isPreview) {\n if (isPreview) {\n this.element.setAttribute(\"data-turbo-preview\", \"\");\n } else {\n this.element.removeAttribute(\"data-turbo-preview\");\n }\n }\n\n async renderSnapshot(renderer) {\n await renderer.render();\n }\n\n finishRenderingSnapshot(renderer) {\n renderer.finishRendering();\n }\n}\n\nclass FrameView extends View {\n missing() {\n this.element.innerHTML = `Content missing`;\n }\n\n get snapshot() {\n return new Snapshot(this.element)\n }\n}\n\nclass LinkInterceptor {\n constructor(delegate, element) {\n this.delegate = delegate;\n this.element = element;\n }\n\n start() {\n this.element.addEventListener(\"click\", this.clickBubbled);\n document.addEventListener(\"turbo:click\", this.linkClicked);\n document.addEventListener(\"turbo:before-visit\", this.willVisit);\n }\n\n stop() {\n this.element.removeEventListener(\"click\", this.clickBubbled);\n document.removeEventListener(\"turbo:click\", this.linkClicked);\n document.removeEventListener(\"turbo:before-visit\", this.willVisit);\n }\n\n clickBubbled = (event) => {\n if (this.respondsToEventTarget(event.target)) {\n this.clickEvent = event;\n } else {\n delete this.clickEvent;\n }\n }\n\n linkClicked = (event) => {\n if (this.clickEvent && this.respondsToEventTarget(event.target) && event.target instanceof Element) {\n if (this.delegate.shouldInterceptLinkClick(event.target, event.detail.url, event.detail.originalEvent)) {\n this.clickEvent.preventDefault();\n event.preventDefault();\n this.delegate.linkClickIntercepted(event.target, event.detail.url, event.detail.originalEvent);\n }\n }\n delete this.clickEvent;\n }\n\n willVisit = (_event) => {\n delete this.clickEvent;\n }\n\n respondsToEventTarget(target) {\n const element = target instanceof Element ? target : target instanceof Node ? target.parentElement : null;\n return element && element.closest(\"turbo-frame, html\") == this.element\n }\n}\n\nclass LinkClickObserver {\n started = false\n\n constructor(delegate, eventTarget) {\n this.delegate = delegate;\n this.eventTarget = eventTarget;\n }\n\n start() {\n if (!this.started) {\n this.eventTarget.addEventListener(\"click\", this.clickCaptured, true);\n this.started = true;\n }\n }\n\n stop() {\n if (this.started) {\n this.eventTarget.removeEventListener(\"click\", this.clickCaptured, true);\n this.started = false;\n }\n }\n\n clickCaptured = () => {\n this.eventTarget.removeEventListener(\"click\", this.clickBubbled, false);\n this.eventTarget.addEventListener(\"click\", this.clickBubbled, false);\n }\n\n clickBubbled = (event) => {\n if (event instanceof MouseEvent && this.clickEventIsSignificant(event)) {\n const target = (event.composedPath && event.composedPath()[0]) || event.target;\n const link = this.findLinkFromClickTarget(target);\n if (link && doesNotTargetIFrame(link)) {\n const location = this.getLocationForLink(link);\n if (this.delegate.willFollowLinkToLocation(link, location, event)) {\n event.preventDefault();\n this.delegate.followedLinkToLocation(link, location);\n }\n }\n }\n }\n\n clickEventIsSignificant(event) {\n return !(\n (event.target && event.target.isContentEditable) ||\n event.defaultPrevented ||\n event.which > 1 ||\n event.altKey ||\n event.ctrlKey ||\n event.metaKey ||\n event.shiftKey\n )\n }\n\n findLinkFromClickTarget(target) {\n return findClosestRecursively(target, \"a[href]:not([target^=_]):not([download])\")\n }\n\n getLocationForLink(link) {\n return expandURL(link.getAttribute(\"href\") || \"\")\n }\n}\n\nfunction doesNotTargetIFrame(anchor) {\n if (anchor.hasAttribute(\"target\")) {\n for (const element of document.getElementsByName(anchor.target)) {\n if (element instanceof HTMLIFrameElement) return false\n }\n\n return true\n } else {\n return true\n }\n}\n\nclass FormLinkClickObserver {\n constructor(delegate, element) {\n this.delegate = delegate;\n this.linkInterceptor = new LinkClickObserver(this, element);\n }\n\n start() {\n this.linkInterceptor.start();\n }\n\n stop() {\n this.linkInterceptor.stop();\n }\n\n // Link click observer delegate\n\n willFollowLinkToLocation(link, location, originalEvent) {\n return (\n this.delegate.willSubmitFormLinkToLocation(link, location, originalEvent) &&\n (link.hasAttribute(\"data-turbo-method\") || link.hasAttribute(\"data-turbo-stream\"))\n )\n }\n\n followedLinkToLocation(link, location) {\n const form = document.createElement(\"form\");\n\n const type = \"hidden\";\n for (const [name, value] of location.searchParams) {\n form.append(Object.assign(document.createElement(\"input\"), { type, name, value }));\n }\n\n const action = Object.assign(location, { search: \"\" });\n form.setAttribute(\"data-turbo\", \"true\");\n form.setAttribute(\"action\", action.href);\n form.setAttribute(\"hidden\", \"\");\n\n const method = link.getAttribute(\"data-turbo-method\");\n if (method) form.setAttribute(\"method\", method);\n\n const turboFrame = link.getAttribute(\"data-turbo-frame\");\n if (turboFrame) form.setAttribute(\"data-turbo-frame\", turboFrame);\n\n const turboAction = getVisitAction(link);\n if (turboAction) form.setAttribute(\"data-turbo-action\", turboAction);\n\n const turboConfirm = link.getAttribute(\"data-turbo-confirm\");\n if (turboConfirm) form.setAttribute(\"data-turbo-confirm\", turboConfirm);\n\n const turboStream = link.hasAttribute(\"data-turbo-stream\");\n if (turboStream) form.setAttribute(\"data-turbo-stream\", \"\");\n\n this.delegate.submittedFormLinkToLocation(link, location, form);\n\n document.body.appendChild(form);\n form.addEventListener(\"turbo:submit-end\", () => form.remove(), { once: true });\n requestAnimationFrame(() => form.requestSubmit());\n }\n}\n\nclass Bardo {\n static async preservingPermanentElements(delegate, permanentElementMap, callback) {\n const bardo = new this(delegate, permanentElementMap);\n bardo.enter();\n await callback();\n bardo.leave();\n }\n\n constructor(delegate, permanentElementMap) {\n this.delegate = delegate;\n this.permanentElementMap = permanentElementMap;\n }\n\n enter() {\n for (const id in this.permanentElementMap) {\n const [currentPermanentElement, newPermanentElement] = this.permanentElementMap[id];\n this.delegate.enteringBardo(currentPermanentElement, newPermanentElement);\n this.replaceNewPermanentElementWithPlaceholder(newPermanentElement);\n }\n }\n\n leave() {\n for (const id in this.permanentElementMap) {\n const [currentPermanentElement] = this.permanentElementMap[id];\n this.replaceCurrentPermanentElementWithClone(currentPermanentElement);\n this.replacePlaceholderWithPermanentElement(currentPermanentElement);\n this.delegate.leavingBardo(currentPermanentElement);\n }\n }\n\n replaceNewPermanentElementWithPlaceholder(permanentElement) {\n const placeholder = createPlaceholderForPermanentElement(permanentElement);\n permanentElement.replaceWith(placeholder);\n }\n\n replaceCurrentPermanentElementWithClone(permanentElement) {\n const clone = permanentElement.cloneNode(true);\n permanentElement.replaceWith(clone);\n }\n\n replacePlaceholderWithPermanentElement(permanentElement) {\n const placeholder = this.getPlaceholderById(permanentElement.id);\n placeholder?.replaceWith(permanentElement);\n }\n\n getPlaceholderById(id) {\n return this.placeholders.find((element) => element.content == id)\n }\n\n get placeholders() {\n return [...document.querySelectorAll(\"meta[name=turbo-permanent-placeholder][content]\")]\n }\n}\n\nfunction createPlaceholderForPermanentElement(permanentElement) {\n const element = document.createElement(\"meta\");\n element.setAttribute(\"name\", \"turbo-permanent-placeholder\");\n element.setAttribute(\"content\", permanentElement.id);\n return element\n}\n\nclass Renderer {\n #activeElement = null\n\n constructor(currentSnapshot, newSnapshot, renderElement, isPreview, willRender = true) {\n this.currentSnapshot = currentSnapshot;\n this.newSnapshot = newSnapshot;\n this.isPreview = isPreview;\n this.willRender = willRender;\n this.renderElement = renderElement;\n this.promise = new Promise((resolve, reject) => (this.resolvingFunctions = { resolve, reject }));\n }\n\n get shouldRender() {\n return true\n }\n\n get reloadReason() {\n return\n }\n\n prepareToRender() {\n return\n }\n\n render() {\n // Abstract method\n }\n\n finishRendering() {\n if (this.resolvingFunctions) {\n this.resolvingFunctions.resolve();\n delete this.resolvingFunctions;\n }\n }\n\n async preservingPermanentElements(callback) {\n await Bardo.preservingPermanentElements(this, this.permanentElementMap, callback);\n }\n\n focusFirstAutofocusableElement() {\n const element = this.connectedSnapshot.firstAutofocusableElement;\n if (element) {\n element.focus();\n }\n }\n\n // Bardo delegate\n\n enteringBardo(currentPermanentElement) {\n if (this.#activeElement) return\n\n if (currentPermanentElement.contains(this.currentSnapshot.activeElement)) {\n this.#activeElement = this.currentSnapshot.activeElement;\n }\n }\n\n leavingBardo(currentPermanentElement) {\n if (currentPermanentElement.contains(this.#activeElement) && this.#activeElement instanceof HTMLElement) {\n this.#activeElement.focus();\n\n this.#activeElement = null;\n }\n }\n\n get connectedSnapshot() {\n return this.newSnapshot.isConnected ? this.newSnapshot : this.currentSnapshot\n }\n\n get currentElement() {\n return this.currentSnapshot.element\n }\n\n get newElement() {\n return this.newSnapshot.element\n }\n\n get permanentElementMap() {\n return this.currentSnapshot.getPermanentElementMapForSnapshot(this.newSnapshot)\n }\n\n get renderMethod() {\n return \"replace\"\n }\n}\n\nclass FrameRenderer extends Renderer {\n static renderElement(currentElement, newElement) {\n const destinationRange = document.createRange();\n destinationRange.selectNodeContents(currentElement);\n destinationRange.deleteContents();\n\n const frameElement = newElement;\n const sourceRange = frameElement.ownerDocument?.createRange();\n if (sourceRange) {\n sourceRange.selectNodeContents(frameElement);\n currentElement.appendChild(sourceRange.extractContents());\n }\n }\n\n constructor(delegate, currentSnapshot, newSnapshot, renderElement, isPreview, willRender = true) {\n super(currentSnapshot, newSnapshot, renderElement, isPreview, willRender);\n this.delegate = delegate;\n }\n\n get shouldRender() {\n return true\n }\n\n async render() {\n await nextAnimationFrame();\n this.preservingPermanentElements(() => {\n this.loadFrameElement();\n });\n this.scrollFrameIntoView();\n await nextAnimationFrame();\n this.focusFirstAutofocusableElement();\n await nextAnimationFrame();\n this.activateScriptElements();\n }\n\n loadFrameElement() {\n this.delegate.willRenderFrame(this.currentElement, this.newElement);\n this.renderElement(this.currentElement, this.newElement);\n }\n\n scrollFrameIntoView() {\n if (this.currentElement.autoscroll || this.newElement.autoscroll) {\n const element = this.currentElement.firstElementChild;\n const block = readScrollLogicalPosition(this.currentElement.getAttribute(\"data-autoscroll-block\"), \"end\");\n const behavior = readScrollBehavior(this.currentElement.getAttribute(\"data-autoscroll-behavior\"), \"auto\");\n\n if (element) {\n element.scrollIntoView({ block, behavior });\n return true\n }\n }\n return false\n }\n\n activateScriptElements() {\n for (const inertScriptElement of this.newScriptElements) {\n const activatedScriptElement = activateScriptElement(inertScriptElement);\n inertScriptElement.replaceWith(activatedScriptElement);\n }\n }\n\n get newScriptElements() {\n return this.currentElement.querySelectorAll(\"script\")\n }\n}\n\nfunction readScrollLogicalPosition(value, defaultValue) {\n if (value == \"end\" || value == \"start\" || value == \"center\" || value == \"nearest\") {\n return value\n } else {\n return defaultValue\n }\n}\n\nfunction readScrollBehavior(value, defaultValue) {\n if (value == \"auto\" || value == \"smooth\") {\n return value\n } else {\n return defaultValue\n }\n}\n\nclass ProgressBar {\n static animationDuration = 300 /*ms*/\n\n static get defaultCSS() {\n return unindent`\n .turbo-progress-bar {\n position: fixed;\n display: block;\n top: 0;\n left: 0;\n height: 3px;\n background: #0076ff;\n z-index: 2147483647;\n transition:\n width ${ProgressBar.animationDuration}ms ease-out,\n opacity ${ProgressBar.animationDuration / 2}ms ${ProgressBar.animationDuration / 2}ms ease-in;\n transform: translate3d(0, 0, 0);\n }\n `\n }\n\n hiding = false\n value = 0\n visible = false\n\n constructor() {\n this.stylesheetElement = this.createStylesheetElement();\n this.progressElement = this.createProgressElement();\n this.installStylesheetElement();\n this.setValue(0);\n }\n\n show() {\n if (!this.visible) {\n this.visible = true;\n this.installProgressElement();\n this.startTrickling();\n }\n }\n\n hide() {\n if (this.visible && !this.hiding) {\n this.hiding = true;\n this.fadeProgressElement(() => {\n this.uninstallProgressElement();\n this.stopTrickling();\n this.visible = false;\n this.hiding = false;\n });\n }\n }\n\n setValue(value) {\n this.value = value;\n this.refresh();\n }\n\n // Private\n\n installStylesheetElement() {\n document.head.insertBefore(this.stylesheetElement, document.head.firstChild);\n }\n\n installProgressElement() {\n this.progressElement.style.width = \"0\";\n this.progressElement.style.opacity = \"1\";\n document.documentElement.insertBefore(this.progressElement, document.body);\n this.refresh();\n }\n\n fadeProgressElement(callback) {\n this.progressElement.style.opacity = \"0\";\n setTimeout(callback, ProgressBar.animationDuration * 1.5);\n }\n\n uninstallProgressElement() {\n if (this.progressElement.parentNode) {\n document.documentElement.removeChild(this.progressElement);\n }\n }\n\n startTrickling() {\n if (!this.trickleInterval) {\n this.trickleInterval = window.setInterval(this.trickle, ProgressBar.animationDuration);\n }\n }\n\n stopTrickling() {\n window.clearInterval(this.trickleInterval);\n delete this.trickleInterval;\n }\n\n trickle = () => {\n this.setValue(this.value + Math.random() / 100);\n }\n\n refresh() {\n requestAnimationFrame(() => {\n this.progressElement.style.width = `${10 + this.value * 90}%`;\n });\n }\n\n createStylesheetElement() {\n const element = document.createElement(\"style\");\n element.type = \"text/css\";\n element.textContent = ProgressBar.defaultCSS;\n if (this.cspNonce) {\n element.nonce = this.cspNonce;\n }\n return element\n }\n\n createProgressElement() {\n const element = document.createElement(\"div\");\n element.className = \"turbo-progress-bar\";\n return element\n }\n\n get cspNonce() {\n return getMetaContent(\"csp-nonce\")\n }\n}\n\nclass HeadSnapshot extends Snapshot {\n detailsByOuterHTML = this.children\n .filter((element) => !elementIsNoscript(element))\n .map((element) => elementWithoutNonce(element))\n .reduce((result, element) => {\n const { outerHTML } = element;\n const details =\n outerHTML in result\n ? result[outerHTML]\n : {\n type: elementType(element),\n tracked: elementIsTracked(element),\n elements: []\n };\n return {\n ...result,\n [outerHTML]: {\n ...details,\n elements: [...details.elements, element]\n }\n }\n }, {})\n\n get trackedElementSignature() {\n return Object.keys(this.detailsByOuterHTML)\n .filter((outerHTML) => this.detailsByOuterHTML[outerHTML].tracked)\n .join(\"\")\n }\n\n getScriptElementsNotInSnapshot(snapshot) {\n return this.getElementsMatchingTypeNotInSnapshot(\"script\", snapshot)\n }\n\n getStylesheetElementsNotInSnapshot(snapshot) {\n return this.getElementsMatchingTypeNotInSnapshot(\"stylesheet\", snapshot)\n }\n\n getElementsMatchingTypeNotInSnapshot(matchedType, snapshot) {\n return Object.keys(this.detailsByOuterHTML)\n .filter((outerHTML) => !(outerHTML in snapshot.detailsByOuterHTML))\n .map((outerHTML) => this.detailsByOuterHTML[outerHTML])\n .filter(({ type }) => type == matchedType)\n .map(({ elements: [element] }) => element)\n }\n\n get provisionalElements() {\n return Object.keys(this.detailsByOuterHTML).reduce((result, outerHTML) => {\n const { type, tracked, elements } = this.detailsByOuterHTML[outerHTML];\n if (type == null && !tracked) {\n return [...result, ...elements]\n } else if (elements.length > 1) {\n return [...result, ...elements.slice(1)]\n } else {\n return result\n }\n }, [])\n }\n\n getMetaValue(name) {\n const element = this.findMetaElementByName(name);\n return element ? element.getAttribute(\"content\") : null\n }\n\n findMetaElementByName(name) {\n return Object.keys(this.detailsByOuterHTML).reduce((result, outerHTML) => {\n const {\n elements: [element]\n } = this.detailsByOuterHTML[outerHTML];\n return elementIsMetaElementWithName(element, name) ? element : result\n }, undefined | undefined)\n }\n}\n\nfunction elementType(element) {\n if (elementIsScript(element)) {\n return \"script\"\n } else if (elementIsStylesheet(element)) {\n return \"stylesheet\"\n }\n}\n\nfunction elementIsTracked(element) {\n return element.getAttribute(\"data-turbo-track\") == \"reload\"\n}\n\nfunction elementIsScript(element) {\n const tagName = element.localName;\n return tagName == \"script\"\n}\n\nfunction elementIsNoscript(element) {\n const tagName = element.localName;\n return tagName == \"noscript\"\n}\n\nfunction elementIsStylesheet(element) {\n const tagName = element.localName;\n return tagName == \"style\" || (tagName == \"link\" && element.getAttribute(\"rel\") == \"stylesheet\")\n}\n\nfunction elementIsMetaElementWithName(element, name) {\n const tagName = element.localName;\n return tagName == \"meta\" && element.getAttribute(\"name\") == name\n}\n\nfunction elementWithoutNonce(element) {\n if (element.hasAttribute(\"nonce\")) {\n element.setAttribute(\"nonce\", \"\");\n }\n\n return element\n}\n\nclass PageSnapshot extends Snapshot {\n static fromHTMLString(html = \"\") {\n return this.fromDocument(parseHTMLDocument(html))\n }\n\n static fromElement(element) {\n return this.fromDocument(element.ownerDocument)\n }\n\n static fromDocument({ documentElement, body, head }) {\n return new this(documentElement, body, new HeadSnapshot(head))\n }\n\n constructor(documentElement, body, headSnapshot) {\n super(body);\n this.documentElement = documentElement;\n this.headSnapshot = headSnapshot;\n }\n\n clone() {\n const clonedElement = this.element.cloneNode(true);\n\n const selectElements = this.element.querySelectorAll(\"select\");\n const clonedSelectElements = clonedElement.querySelectorAll(\"select\");\n\n for (const [index, source] of selectElements.entries()) {\n const clone = clonedSelectElements[index];\n for (const option of clone.selectedOptions) option.selected = false;\n for (const option of source.selectedOptions) clone.options[option.index].selected = true;\n }\n\n for (const clonedPasswordInput of clonedElement.querySelectorAll('input[type=\"password\"]')) {\n clonedPasswordInput.value = \"\";\n }\n\n return new PageSnapshot(this.documentElement, clonedElement, this.headSnapshot)\n }\n\n get lang() {\n return this.documentElement.getAttribute(\"lang\")\n }\n\n get headElement() {\n return this.headSnapshot.element\n }\n\n get rootLocation() {\n const root = this.getSetting(\"root\") ?? \"/\";\n return expandURL(root)\n }\n\n get cacheControlValue() {\n return this.getSetting(\"cache-control\")\n }\n\n get isPreviewable() {\n return this.cacheControlValue != \"no-preview\"\n }\n\n get isCacheable() {\n return this.cacheControlValue != \"no-cache\"\n }\n\n get isVisitable() {\n return this.getSetting(\"visit-control\") != \"reload\"\n }\n\n get prefersViewTransitions() {\n return this.headSnapshot.getMetaValue(\"view-transition\") === \"same-origin\"\n }\n\n get shouldMorphPage() {\n return this.getSetting(\"refresh-method\") === \"morph\"\n }\n\n get shouldPreserveScrollPosition() {\n return this.getSetting(\"refresh-scroll\") === \"preserve\"\n }\n\n // Private\n\n getSetting(name) {\n return this.headSnapshot.getMetaValue(`turbo-${name}`)\n }\n}\n\nclass ViewTransitioner {\n #viewTransitionStarted = false\n #lastOperation = Promise.resolve()\n\n renderChange(useViewTransition, render) {\n if (useViewTransition && this.viewTransitionsAvailable && !this.#viewTransitionStarted) {\n this.#viewTransitionStarted = true;\n this.#lastOperation = this.#lastOperation.then(async () => {\n await document.startViewTransition(render).finished;\n });\n } else {\n this.#lastOperation = this.#lastOperation.then(render);\n }\n\n return this.#lastOperation\n }\n\n get viewTransitionsAvailable() {\n return document.startViewTransition\n }\n}\n\nconst defaultOptions = {\n action: \"advance\",\n historyChanged: false,\n visitCachedSnapshot: () => {},\n willRender: true,\n updateHistory: true,\n shouldCacheSnapshot: true,\n acceptsStreamResponse: false\n};\n\nconst TimingMetric = {\n visitStart: \"visitStart\",\n requestStart: \"requestStart\",\n requestEnd: \"requestEnd\",\n visitEnd: \"visitEnd\"\n};\n\nconst VisitState = {\n initialized: \"initialized\",\n started: \"started\",\n canceled: \"canceled\",\n failed: \"failed\",\n completed: \"completed\"\n};\n\nconst SystemStatusCode = {\n networkFailure: 0,\n timeoutFailure: -1,\n contentTypeMismatch: -2\n};\n\nclass Visit {\n identifier = uuid() // Required by turbo-ios\n timingMetrics = {}\n\n followedRedirect = false\n historyChanged = false\n scrolled = false\n shouldCacheSnapshot = true\n acceptsStreamResponse = false\n snapshotCached = false\n state = VisitState.initialized\n viewTransitioner = new ViewTransitioner()\n\n constructor(delegate, location, restorationIdentifier, options = {}) {\n this.delegate = delegate;\n this.location = location;\n this.restorationIdentifier = restorationIdentifier || uuid();\n\n const {\n action,\n historyChanged,\n referrer,\n snapshot,\n snapshotHTML,\n response,\n visitCachedSnapshot,\n willRender,\n updateHistory,\n shouldCacheSnapshot,\n acceptsStreamResponse\n } = {\n ...defaultOptions,\n ...options\n };\n this.action = action;\n this.historyChanged = historyChanged;\n this.referrer = referrer;\n this.snapshot = snapshot;\n this.snapshotHTML = snapshotHTML;\n this.response = response;\n this.isSamePage = this.delegate.locationWithActionIsSamePage(this.location, this.action);\n this.visitCachedSnapshot = visitCachedSnapshot;\n this.willRender = willRender;\n this.updateHistory = updateHistory;\n this.scrolled = !willRender;\n this.shouldCacheSnapshot = shouldCacheSnapshot;\n this.acceptsStreamResponse = acceptsStreamResponse;\n }\n\n get adapter() {\n return this.delegate.adapter\n }\n\n get view() {\n return this.delegate.view\n }\n\n get history() {\n return this.delegate.history\n }\n\n get restorationData() {\n return this.history.getRestorationDataForIdentifier(this.restorationIdentifier)\n }\n\n get silent() {\n return this.isSamePage\n }\n\n start() {\n if (this.state == VisitState.initialized) {\n this.recordTimingMetric(TimingMetric.visitStart);\n this.state = VisitState.started;\n this.adapter.visitStarted(this);\n this.delegate.visitStarted(this);\n }\n }\n\n cancel() {\n if (this.state == VisitState.started) {\n if (this.request) {\n this.request.cancel();\n }\n this.cancelRender();\n this.state = VisitState.canceled;\n }\n }\n\n complete() {\n if (this.state == VisitState.started) {\n this.recordTimingMetric(TimingMetric.visitEnd);\n this.state = VisitState.completed;\n this.followRedirect();\n\n if (!this.followedRedirect) {\n this.adapter.visitCompleted(this);\n this.delegate.visitCompleted(this);\n }\n }\n }\n\n fail() {\n if (this.state == VisitState.started) {\n this.state = VisitState.failed;\n this.adapter.visitFailed(this);\n this.delegate.visitCompleted(this);\n }\n }\n\n changeHistory() {\n if (!this.historyChanged && this.updateHistory) {\n const actionForHistory = this.location.href === this.referrer?.href ? \"replace\" : this.action;\n const method = getHistoryMethodForAction(actionForHistory);\n this.history.update(method, this.location, this.restorationIdentifier);\n this.historyChanged = true;\n }\n }\n\n issueRequest() {\n if (this.hasPreloadedResponse()) {\n this.simulateRequest();\n } else if (this.shouldIssueRequest() && !this.request) {\n this.request = new FetchRequest(this, FetchMethod.get, this.location);\n this.request.perform();\n }\n }\n\n simulateRequest() {\n if (this.response) {\n this.startRequest();\n this.recordResponse();\n this.finishRequest();\n }\n }\n\n startRequest() {\n this.recordTimingMetric(TimingMetric.requestStart);\n this.adapter.visitRequestStarted(this);\n }\n\n recordResponse(response = this.response) {\n this.response = response;\n if (response) {\n const { statusCode } = response;\n if (isSuccessful(statusCode)) {\n this.adapter.visitRequestCompleted(this);\n } else {\n this.adapter.visitRequestFailedWithStatusCode(this, statusCode);\n }\n }\n }\n\n finishRequest() {\n this.recordTimingMetric(TimingMetric.requestEnd);\n this.adapter.visitRequestFinished(this);\n }\n\n loadResponse() {\n if (this.response) {\n const { statusCode, responseHTML } = this.response;\n this.render(async () => {\n if (this.shouldCacheSnapshot) this.cacheSnapshot();\n if (this.view.renderPromise) await this.view.renderPromise;\n\n if (isSuccessful(statusCode) && responseHTML != null) {\n const snapshot = PageSnapshot.fromHTMLString(responseHTML);\n await this.renderPageSnapshot(snapshot, false);\n\n this.adapter.visitRendered(this);\n this.complete();\n } else {\n await this.view.renderError(PageSnapshot.fromHTMLString(responseHTML), this);\n this.adapter.visitRendered(this);\n this.fail();\n }\n });\n }\n }\n\n getCachedSnapshot() {\n const snapshot = this.view.getCachedSnapshotForLocation(this.location) || this.getPreloadedSnapshot();\n\n if (snapshot && (!getAnchor(this.location) || snapshot.hasAnchor(getAnchor(this.location)))) {\n if (this.action == \"restore\" || snapshot.isPreviewable) {\n return snapshot\n }\n }\n }\n\n getPreloadedSnapshot() {\n if (this.snapshotHTML) {\n return PageSnapshot.fromHTMLString(this.snapshotHTML)\n }\n }\n\n hasCachedSnapshot() {\n return this.getCachedSnapshot() != null\n }\n\n loadCachedSnapshot() {\n const snapshot = this.getCachedSnapshot();\n if (snapshot) {\n const isPreview = this.shouldIssueRequest();\n this.render(async () => {\n this.cacheSnapshot();\n if (this.isSamePage) {\n this.adapter.visitRendered(this);\n } else {\n if (this.view.renderPromise) await this.view.renderPromise;\n\n await this.renderPageSnapshot(snapshot, isPreview);\n\n this.adapter.visitRendered(this);\n if (!isPreview) {\n this.complete();\n }\n }\n });\n }\n }\n\n followRedirect() {\n if (this.redirectedToLocation && !this.followedRedirect && this.response?.redirected) {\n this.adapter.visitProposedToLocation(this.redirectedToLocation, {\n action: \"replace\",\n response: this.response,\n shouldCacheSnapshot: false,\n willRender: false\n });\n this.followedRedirect = true;\n }\n }\n\n goToSamePageAnchor() {\n if (this.isSamePage) {\n this.render(async () => {\n this.cacheSnapshot();\n this.performScroll();\n this.changeHistory();\n this.adapter.visitRendered(this);\n });\n }\n }\n\n // Fetch request delegate\n\n prepareRequest(request) {\n if (this.acceptsStreamResponse) {\n request.acceptResponseType(StreamMessage.contentType);\n }\n }\n\n requestStarted() {\n this.startRequest();\n }\n\n requestPreventedHandlingResponse(_request, _response) {}\n\n async requestSucceededWithResponse(request, response) {\n const responseHTML = await response.responseHTML;\n const { redirected, statusCode } = response;\n if (responseHTML == undefined) {\n this.recordResponse({\n statusCode: SystemStatusCode.contentTypeMismatch,\n redirected\n });\n } else {\n this.redirectedToLocation = response.redirected ? response.location : undefined;\n this.recordResponse({ statusCode: statusCode, responseHTML, redirected });\n }\n }\n\n async requestFailedWithResponse(request, response) {\n const responseHTML = await response.responseHTML;\n const { redirected, statusCode } = response;\n if (responseHTML == undefined) {\n this.recordResponse({\n statusCode: SystemStatusCode.contentTypeMismatch,\n redirected\n });\n } else {\n this.recordResponse({ statusCode: statusCode, responseHTML, redirected });\n }\n }\n\n requestErrored(_request, _error) {\n this.recordResponse({\n statusCode: SystemStatusCode.networkFailure,\n redirected: false\n });\n }\n\n requestFinished() {\n this.finishRequest();\n }\n\n // Scrolling\n\n performScroll() {\n if (!this.scrolled && !this.view.forceReloaded && !this.view.snapshot.shouldPreserveScrollPosition) {\n if (this.action == \"restore\") {\n this.scrollToRestoredPosition() || this.scrollToAnchor() || this.view.scrollToTop();\n } else {\n this.scrollToAnchor() || this.view.scrollToTop();\n }\n if (this.isSamePage) {\n this.delegate.visitScrolledToSamePageLocation(this.view.lastRenderedLocation, this.location);\n }\n\n this.scrolled = true;\n }\n }\n\n scrollToRestoredPosition() {\n const { scrollPosition } = this.restorationData;\n if (scrollPosition) {\n this.view.scrollToPosition(scrollPosition);\n return true\n }\n }\n\n scrollToAnchor() {\n const anchor = getAnchor(this.location);\n if (anchor != null) {\n this.view.scrollToAnchor(anchor);\n return true\n }\n }\n\n // Instrumentation\n\n recordTimingMetric(metric) {\n this.timingMetrics[metric] = new Date().getTime();\n }\n\n getTimingMetrics() {\n return { ...this.timingMetrics }\n }\n\n // Private\n\n getHistoryMethodForAction(action) {\n switch (action) {\n case \"replace\":\n return history.replaceState\n case \"advance\":\n case \"restore\":\n return history.pushState\n }\n }\n\n hasPreloadedResponse() {\n return typeof this.response == \"object\"\n }\n\n shouldIssueRequest() {\n if (this.isSamePage) {\n return false\n } else if (this.action == \"restore\") {\n return !this.hasCachedSnapshot()\n } else {\n return this.willRender\n }\n }\n\n cacheSnapshot() {\n if (!this.snapshotCached) {\n this.view.cacheSnapshot(this.snapshot).then((snapshot) => snapshot && this.visitCachedSnapshot(snapshot));\n this.snapshotCached = true;\n }\n }\n\n async render(callback) {\n this.cancelRender();\n await new Promise((resolve) => {\n this.frame = requestAnimationFrame(() => resolve());\n });\n await callback();\n delete this.frame;\n }\n\n async renderPageSnapshot(snapshot, isPreview) {\n await this.viewTransitioner.renderChange(this.view.shouldTransitionTo(snapshot), async () => {\n await this.view.renderPage(snapshot, isPreview, this.willRender, this);\n this.performScroll();\n });\n }\n\n cancelRender() {\n if (this.frame) {\n cancelAnimationFrame(this.frame);\n delete this.frame;\n }\n }\n}\n\nfunction isSuccessful(statusCode) {\n return statusCode >= 200 && statusCode < 300\n}\n\nclass BrowserAdapter {\n progressBar = new ProgressBar()\n\n constructor(session) {\n this.session = session;\n }\n\n visitProposedToLocation(location, options) {\n if (locationIsVisitable(location, this.navigator.rootLocation)) {\n this.navigator.startVisit(location, options?.restorationIdentifier || uuid(), options);\n } else {\n window.location.href = location.toString();\n }\n }\n\n visitStarted(visit) {\n this.location = visit.location;\n visit.loadCachedSnapshot();\n visit.issueRequest();\n visit.goToSamePageAnchor();\n }\n\n visitRequestStarted(visit) {\n this.progressBar.setValue(0);\n if (visit.hasCachedSnapshot() || visit.action != \"restore\") {\n this.showVisitProgressBarAfterDelay();\n } else {\n this.showProgressBar();\n }\n }\n\n visitRequestCompleted(visit) {\n visit.loadResponse();\n }\n\n visitRequestFailedWithStatusCode(visit, statusCode) {\n switch (statusCode) {\n case SystemStatusCode.networkFailure:\n case SystemStatusCode.timeoutFailure:\n case SystemStatusCode.contentTypeMismatch:\n return this.reload({\n reason: \"request_failed\",\n context: {\n statusCode\n }\n })\n default:\n return visit.loadResponse()\n }\n }\n\n visitRequestFinished(_visit) {}\n\n visitCompleted(_visit) {\n this.progressBar.setValue(1);\n this.hideVisitProgressBar();\n }\n\n pageInvalidated(reason) {\n this.reload(reason);\n }\n\n visitFailed(_visit) {\n this.progressBar.setValue(1);\n this.hideVisitProgressBar();\n }\n\n visitRendered(_visit) {}\n\n // Form Submission Delegate\n\n formSubmissionStarted(_formSubmission) {\n this.progressBar.setValue(0);\n this.showFormProgressBarAfterDelay();\n }\n\n formSubmissionFinished(_formSubmission) {\n this.progressBar.setValue(1);\n this.hideFormProgressBar();\n }\n\n // Private\n\n showVisitProgressBarAfterDelay() {\n this.visitProgressBarTimeout = window.setTimeout(this.showProgressBar, this.session.progressBarDelay);\n }\n\n hideVisitProgressBar() {\n this.progressBar.hide();\n if (this.visitProgressBarTimeout != null) {\n window.clearTimeout(this.visitProgressBarTimeout);\n delete this.visitProgressBarTimeout;\n }\n }\n\n showFormProgressBarAfterDelay() {\n if (this.formProgressBarTimeout == null) {\n this.formProgressBarTimeout = window.setTimeout(this.showProgressBar, this.session.progressBarDelay);\n }\n }\n\n hideFormProgressBar() {\n this.progressBar.hide();\n if (this.formProgressBarTimeout != null) {\n window.clearTimeout(this.formProgressBarTimeout);\n delete this.formProgressBarTimeout;\n }\n }\n\n showProgressBar = () => {\n this.progressBar.show();\n }\n\n reload(reason) {\n dispatch(\"turbo:reload\", { detail: reason });\n\n window.location.href = this.location?.toString() || window.location.href;\n }\n\n get navigator() {\n return this.session.navigator\n }\n}\n\nclass CacheObserver {\n selector = \"[data-turbo-temporary]\"\n deprecatedSelector = \"[data-turbo-cache=false]\"\n\n started = false\n\n start() {\n if (!this.started) {\n this.started = true;\n addEventListener(\"turbo:before-cache\", this.removeTemporaryElements, false);\n }\n }\n\n stop() {\n if (this.started) {\n this.started = false;\n removeEventListener(\"turbo:before-cache\", this.removeTemporaryElements, false);\n }\n }\n\n removeTemporaryElements = (_event) => {\n for (const element of this.temporaryElements) {\n element.remove();\n }\n }\n\n get temporaryElements() {\n return [...document.querySelectorAll(this.selector), ...this.temporaryElementsWithDeprecation]\n }\n\n get temporaryElementsWithDeprecation() {\n const elements = document.querySelectorAll(this.deprecatedSelector);\n\n if (elements.length) {\n console.warn(\n `The ${this.deprecatedSelector} selector is deprecated and will be removed in a future version. Use ${this.selector} instead.`\n );\n }\n\n return [...elements]\n }\n}\n\nclass FrameRedirector {\n constructor(session, element) {\n this.session = session;\n this.element = element;\n this.linkInterceptor = new LinkInterceptor(this, element);\n this.formSubmitObserver = new FormSubmitObserver(this, element);\n }\n\n start() {\n this.linkInterceptor.start();\n this.formSubmitObserver.start();\n }\n\n stop() {\n this.linkInterceptor.stop();\n this.formSubmitObserver.stop();\n }\n\n // Link interceptor delegate\n\n shouldInterceptLinkClick(element, _location, _event) {\n return this.#shouldRedirect(element)\n }\n\n linkClickIntercepted(element, url, event) {\n const frame = this.#findFrameElement(element);\n if (frame) {\n frame.delegate.linkClickIntercepted(element, url, event);\n }\n }\n\n // Form submit observer delegate\n\n willSubmitForm(element, submitter) {\n return (\n element.closest(\"turbo-frame\") == null &&\n this.#shouldSubmit(element, submitter) &&\n this.#shouldRedirect(element, submitter)\n )\n }\n\n formSubmitted(element, submitter) {\n const frame = this.#findFrameElement(element, submitter);\n if (frame) {\n frame.delegate.formSubmitted(element, submitter);\n }\n }\n\n #shouldSubmit(form, submitter) {\n const action = getAction$1(form, submitter);\n const meta = this.element.ownerDocument.querySelector(`meta[name=\"turbo-root\"]`);\n const rootLocation = expandURL(meta?.content ?? \"/\");\n\n return this.#shouldRedirect(form, submitter) && locationIsVisitable(action, rootLocation)\n }\n\n #shouldRedirect(element, submitter) {\n const isNavigatable =\n element instanceof HTMLFormElement\n ? this.session.submissionIsNavigatable(element, submitter)\n : this.session.elementIsNavigatable(element);\n\n if (isNavigatable) {\n const frame = this.#findFrameElement(element, submitter);\n return frame ? frame != element.closest(\"turbo-frame\") : false\n } else {\n return false\n }\n }\n\n #findFrameElement(element, submitter) {\n const id = submitter?.getAttribute(\"data-turbo-frame\") || element.getAttribute(\"data-turbo-frame\");\n if (id && id != \"_top\") {\n const frame = this.element.querySelector(`#${id}:not([disabled])`);\n if (frame instanceof FrameElement) {\n return frame\n }\n }\n }\n}\n\nclass History {\n location\n restorationIdentifier = uuid()\n restorationData = {}\n started = false\n pageLoaded = false\n\n constructor(delegate) {\n this.delegate = delegate;\n }\n\n start() {\n if (!this.started) {\n addEventListener(\"popstate\", this.onPopState, false);\n addEventListener(\"load\", this.onPageLoad, false);\n this.started = true;\n this.replace(new URL(window.location.href));\n }\n }\n\n stop() {\n if (this.started) {\n removeEventListener(\"popstate\", this.onPopState, false);\n removeEventListener(\"load\", this.onPageLoad, false);\n this.started = false;\n }\n }\n\n push(location, restorationIdentifier) {\n this.update(history.pushState, location, restorationIdentifier);\n }\n\n replace(location, restorationIdentifier) {\n this.update(history.replaceState, location, restorationIdentifier);\n }\n\n update(method, location, restorationIdentifier = uuid()) {\n const state = { turbo: { restorationIdentifier } };\n method.call(history, state, \"\", location.href);\n this.location = location;\n this.restorationIdentifier = restorationIdentifier;\n }\n\n // Restoration data\n\n getRestorationDataForIdentifier(restorationIdentifier) {\n return this.restorationData[restorationIdentifier] || {}\n }\n\n updateRestorationData(additionalData) {\n const { restorationIdentifier } = this;\n const restorationData = this.restorationData[restorationIdentifier];\n this.restorationData[restorationIdentifier] = {\n ...restorationData,\n ...additionalData\n };\n }\n\n // Scroll restoration\n\n assumeControlOfScrollRestoration() {\n if (!this.previousScrollRestoration) {\n this.previousScrollRestoration = history.scrollRestoration ?? \"auto\";\n history.scrollRestoration = \"manual\";\n }\n }\n\n relinquishControlOfScrollRestoration() {\n if (this.previousScrollRestoration) {\n history.scrollRestoration = this.previousScrollRestoration;\n delete this.previousScrollRestoration;\n }\n }\n\n // Event handlers\n\n onPopState = (event) => {\n if (this.shouldHandlePopState()) {\n const { turbo } = event.state || {};\n if (turbo) {\n this.location = new URL(window.location.href);\n const { restorationIdentifier } = turbo;\n this.restorationIdentifier = restorationIdentifier;\n this.delegate.historyPoppedToLocationWithRestorationIdentifier(this.location, restorationIdentifier);\n }\n }\n }\n\n onPageLoad = async (_event) => {\n await nextMicrotask();\n this.pageLoaded = true;\n }\n\n // Private\n\n shouldHandlePopState() {\n // Safari dispatches a popstate event after window's load event, ignore it\n return this.pageIsLoaded()\n }\n\n pageIsLoaded() {\n return this.pageLoaded || document.readyState == \"complete\"\n }\n}\n\nclass Navigator {\n constructor(delegate) {\n this.delegate = delegate;\n }\n\n proposeVisit(location, options = {}) {\n if (this.delegate.allowsVisitingLocationWithAction(location, options.action)) {\n this.delegate.visitProposedToLocation(location, options);\n }\n }\n\n startVisit(locatable, restorationIdentifier, options = {}) {\n this.stop();\n this.currentVisit = new Visit(this, expandURL(locatable), restorationIdentifier, {\n referrer: this.location,\n ...options\n });\n this.currentVisit.start();\n }\n\n submitForm(form, submitter) {\n this.stop();\n this.formSubmission = new FormSubmission(this, form, submitter, true);\n\n this.formSubmission.start();\n }\n\n stop() {\n if (this.formSubmission) {\n this.formSubmission.stop();\n delete this.formSubmission;\n }\n\n if (this.currentVisit) {\n this.currentVisit.cancel();\n delete this.currentVisit;\n }\n }\n\n get adapter() {\n return this.delegate.adapter\n }\n\n get view() {\n return this.delegate.view\n }\n\n get rootLocation() {\n return this.view.snapshot.rootLocation\n }\n\n get history() {\n return this.delegate.history\n }\n\n // Form submission delegate\n\n formSubmissionStarted(formSubmission) {\n // Not all adapters implement formSubmissionStarted\n if (typeof this.adapter.formSubmissionStarted === \"function\") {\n this.adapter.formSubmissionStarted(formSubmission);\n }\n }\n\n async formSubmissionSucceededWithResponse(formSubmission, fetchResponse) {\n if (formSubmission == this.formSubmission) {\n const responseHTML = await fetchResponse.responseHTML;\n if (responseHTML) {\n const shouldCacheSnapshot = formSubmission.isSafe;\n if (!shouldCacheSnapshot) {\n this.view.clearSnapshotCache();\n }\n\n const { statusCode, redirected } = fetchResponse;\n const action = this.#getActionForFormSubmission(formSubmission, fetchResponse);\n const visitOptions = {\n action,\n shouldCacheSnapshot,\n response: { statusCode, responseHTML, redirected }\n };\n this.proposeVisit(fetchResponse.location, visitOptions);\n }\n }\n }\n\n async formSubmissionFailedWithResponse(formSubmission, fetchResponse) {\n const responseHTML = await fetchResponse.responseHTML;\n\n if (responseHTML) {\n const snapshot = PageSnapshot.fromHTMLString(responseHTML);\n if (fetchResponse.serverError) {\n await this.view.renderError(snapshot, this.currentVisit);\n } else {\n await this.view.renderPage(snapshot, false, true, this.currentVisit);\n }\n if(!snapshot.shouldPreserveScrollPosition) {\n this.view.scrollToTop();\n }\n this.view.clearSnapshotCache();\n }\n }\n\n formSubmissionErrored(formSubmission, error) {\n console.error(error);\n }\n\n formSubmissionFinished(formSubmission) {\n // Not all adapters implement formSubmissionFinished\n if (typeof this.adapter.formSubmissionFinished === \"function\") {\n this.adapter.formSubmissionFinished(formSubmission);\n }\n }\n\n // Visit delegate\n\n visitStarted(visit) {\n this.delegate.visitStarted(visit);\n }\n\n visitCompleted(visit) {\n this.delegate.visitCompleted(visit);\n }\n\n locationWithActionIsSamePage(location, action) {\n const anchor = getAnchor(location);\n const currentAnchor = getAnchor(this.view.lastRenderedLocation);\n const isRestorationToTop = action === \"restore\" && typeof anchor === \"undefined\";\n\n return (\n action !== \"replace\" &&\n getRequestURL(location) === getRequestURL(this.view.lastRenderedLocation) &&\n (isRestorationToTop || (anchor != null && anchor !== currentAnchor))\n )\n }\n\n visitScrolledToSamePageLocation(oldURL, newURL) {\n this.delegate.visitScrolledToSamePageLocation(oldURL, newURL);\n }\n\n // Visits\n\n get location() {\n return this.history.location\n }\n\n get restorationIdentifier() {\n return this.history.restorationIdentifier\n }\n\n #getActionForFormSubmission(formSubmission, fetchResponse) {\n const { submitter, formElement } = formSubmission;\n return getVisitAction(submitter, formElement) || this.#getDefaultAction(fetchResponse)\n }\n\n #getDefaultAction(fetchResponse) {\n const sameLocationRedirect = fetchResponse.redirected && fetchResponse.location.href === this.location?.href;\n return sameLocationRedirect ? \"replace\" : \"advance\"\n }\n}\n\nconst PageStage = {\n initial: 0,\n loading: 1,\n interactive: 2,\n complete: 3\n};\n\nclass PageObserver {\n stage = PageStage.initial\n started = false\n\n constructor(delegate) {\n this.delegate = delegate;\n }\n\n start() {\n if (!this.started) {\n if (this.stage == PageStage.initial) {\n this.stage = PageStage.loading;\n }\n document.addEventListener(\"readystatechange\", this.interpretReadyState, false);\n addEventListener(\"pagehide\", this.pageWillUnload, false);\n this.started = true;\n }\n }\n\n stop() {\n if (this.started) {\n document.removeEventListener(\"readystatechange\", this.interpretReadyState, false);\n removeEventListener(\"pagehide\", this.pageWillUnload, false);\n this.started = false;\n }\n }\n\n interpretReadyState = () => {\n const { readyState } = this;\n if (readyState == \"interactive\") {\n this.pageIsInteractive();\n } else if (readyState == \"complete\") {\n this.pageIsComplete();\n }\n }\n\n pageIsInteractive() {\n if (this.stage == PageStage.loading) {\n this.stage = PageStage.interactive;\n this.delegate.pageBecameInteractive();\n }\n }\n\n pageIsComplete() {\n this.pageIsInteractive();\n if (this.stage == PageStage.interactive) {\n this.stage = PageStage.complete;\n this.delegate.pageLoaded();\n }\n }\n\n pageWillUnload = () => {\n this.delegate.pageWillUnload();\n }\n\n get readyState() {\n return document.readyState\n }\n}\n\nclass ScrollObserver {\n started = false\n\n constructor(delegate) {\n this.delegate = delegate;\n }\n\n start() {\n if (!this.started) {\n addEventListener(\"scroll\", this.onScroll, false);\n this.onScroll();\n this.started = true;\n }\n }\n\n stop() {\n if (this.started) {\n removeEventListener(\"scroll\", this.onScroll, false);\n this.started = false;\n }\n }\n\n onScroll = () => {\n this.updatePosition({ x: window.pageXOffset, y: window.pageYOffset });\n }\n\n // Private\n\n updatePosition(position) {\n this.delegate.scrollPositionChanged(position);\n }\n}\n\nclass StreamMessageRenderer {\n render({ fragment }) {\n Bardo.preservingPermanentElements(this, getPermanentElementMapForFragment(fragment), () => {\n withAutofocusFromFragment(fragment, () => {\n withPreservedFocus(() => {\n document.documentElement.appendChild(fragment);\n });\n });\n });\n }\n\n // Bardo delegate\n\n enteringBardo(currentPermanentElement, newPermanentElement) {\n newPermanentElement.replaceWith(currentPermanentElement.cloneNode(true));\n }\n\n leavingBardo() {}\n}\n\nfunction getPermanentElementMapForFragment(fragment) {\n const permanentElementsInDocument = queryPermanentElementsAll(document.documentElement);\n const permanentElementMap = {};\n for (const permanentElementInDocument of permanentElementsInDocument) {\n const { id } = permanentElementInDocument;\n\n for (const streamElement of fragment.querySelectorAll(\"turbo-stream\")) {\n const elementInStream = getPermanentElementById(streamElement.templateElement.content, id);\n\n if (elementInStream) {\n permanentElementMap[id] = [permanentElementInDocument, elementInStream];\n }\n }\n }\n\n return permanentElementMap\n}\n\nasync function withAutofocusFromFragment(fragment, callback) {\n const generatedID = `turbo-stream-autofocus-${uuid()}`;\n const turboStreams = fragment.querySelectorAll(\"turbo-stream\");\n const elementWithAutofocus = firstAutofocusableElementInStreams(turboStreams);\n let willAutofocusId = null;\n\n if (elementWithAutofocus) {\n if (elementWithAutofocus.id) {\n willAutofocusId = elementWithAutofocus.id;\n } else {\n willAutofocusId = generatedID;\n }\n\n elementWithAutofocus.id = willAutofocusId;\n }\n\n callback();\n await nextAnimationFrame();\n\n const hasNoActiveElement = document.activeElement == null || document.activeElement == document.body;\n\n if (hasNoActiveElement && willAutofocusId) {\n const elementToAutofocus = document.getElementById(willAutofocusId);\n\n if (elementIsFocusable(elementToAutofocus)) {\n elementToAutofocus.focus();\n }\n if (elementToAutofocus && elementToAutofocus.id == generatedID) {\n elementToAutofocus.removeAttribute(\"id\");\n }\n }\n}\n\nasync function withPreservedFocus(callback) {\n const [activeElementBeforeRender, activeElementAfterRender] = await around(callback, () => document.activeElement);\n\n const restoreFocusTo = activeElementBeforeRender && activeElementBeforeRender.id;\n\n if (restoreFocusTo) {\n const elementToFocus = document.getElementById(restoreFocusTo);\n\n if (elementIsFocusable(elementToFocus) && elementToFocus != activeElementAfterRender) {\n elementToFocus.focus();\n }\n }\n}\n\nfunction firstAutofocusableElementInStreams(nodeListOfStreamElements) {\n for (const streamElement of nodeListOfStreamElements) {\n const elementWithAutofocus = queryAutofocusableElement(streamElement.templateElement.content);\n\n if (elementWithAutofocus) return elementWithAutofocus\n }\n\n return null\n}\n\nclass StreamObserver {\n sources = new Set()\n #started = false\n\n constructor(delegate) {\n this.delegate = delegate;\n }\n\n start() {\n if (!this.#started) {\n this.#started = true;\n addEventListener(\"turbo:before-fetch-response\", this.inspectFetchResponse, false);\n }\n }\n\n stop() {\n if (this.#started) {\n this.#started = false;\n removeEventListener(\"turbo:before-fetch-response\", this.inspectFetchResponse, false);\n }\n }\n\n connectStreamSource(source) {\n if (!this.streamSourceIsConnected(source)) {\n this.sources.add(source);\n source.addEventListener(\"message\", this.receiveMessageEvent, false);\n }\n }\n\n disconnectStreamSource(source) {\n if (this.streamSourceIsConnected(source)) {\n this.sources.delete(source);\n source.removeEventListener(\"message\", this.receiveMessageEvent, false);\n }\n }\n\n streamSourceIsConnected(source) {\n return this.sources.has(source)\n }\n\n inspectFetchResponse = (event) => {\n const response = fetchResponseFromEvent(event);\n if (response && fetchResponseIsStream(response)) {\n event.preventDefault();\n this.receiveMessageResponse(response);\n }\n }\n\n receiveMessageEvent = (event) => {\n if (this.#started && typeof event.data == \"string\") {\n this.receiveMessageHTML(event.data);\n }\n }\n\n async receiveMessageResponse(response) {\n const html = await response.responseHTML;\n if (html) {\n this.receiveMessageHTML(html);\n }\n }\n\n receiveMessageHTML(html) {\n this.delegate.receivedMessageFromStream(StreamMessage.wrap(html));\n }\n}\n\nfunction fetchResponseFromEvent(event) {\n const fetchResponse = event.detail?.fetchResponse;\n if (fetchResponse instanceof FetchResponse) {\n return fetchResponse\n }\n}\n\nfunction fetchResponseIsStream(response) {\n const contentType = response.contentType ?? \"\";\n return contentType.startsWith(StreamMessage.contentType)\n}\n\nclass ErrorRenderer extends Renderer {\n static renderElement(currentElement, newElement) {\n const { documentElement, body } = document;\n\n documentElement.replaceChild(newElement, body);\n }\n\n async render() {\n this.replaceHeadAndBody();\n this.activateScriptElements();\n }\n\n replaceHeadAndBody() {\n const { documentElement, head } = document;\n documentElement.replaceChild(this.newHead, head);\n this.renderElement(this.currentElement, this.newElement);\n }\n\n activateScriptElements() {\n for (const replaceableElement of this.scriptElements) {\n const parentNode = replaceableElement.parentNode;\n if (parentNode) {\n const element = activateScriptElement(replaceableElement);\n parentNode.replaceChild(element, replaceableElement);\n }\n }\n }\n\n get newHead() {\n return this.newSnapshot.headSnapshot.element\n }\n\n get scriptElements() {\n return document.documentElement.querySelectorAll(\"script\")\n }\n}\n\nlet EMPTY_SET = new Set();\n\n//=============================================================================\n// Core Morphing Algorithm - morph, morphNormalizedContent, morphOldNodeTo, morphChildren\n//=============================================================================\nfunction morph(oldNode, newContent, config = {}) {\n\n if (oldNode instanceof Document) {\n oldNode = oldNode.documentElement;\n }\n\n if (typeof newContent === 'string') {\n newContent = parseContent(newContent);\n }\n\n let normalizedContent = normalizeContent(newContent);\n\n let ctx = createMorphContext(oldNode, normalizedContent, config);\n\n return morphNormalizedContent(oldNode, normalizedContent, ctx);\n}\n\nfunction morphNormalizedContent(oldNode, normalizedNewContent, ctx) {\n if (ctx.head.block) {\n let oldHead = oldNode.querySelector('head');\n let newHead = normalizedNewContent.querySelector('head');\n if (oldHead && newHead) {\n let promises = handleHeadElement(newHead, oldHead, ctx);\n // when head promises resolve, call morph again, ignoring the head tag\n Promise.all(promises).then(function () {\n morphNormalizedContent(oldNode, normalizedNewContent, Object.assign(ctx, {\n head: {\n block: false,\n ignore: true\n }\n }));\n });\n return;\n }\n }\n\n if (ctx.morphStyle === \"innerHTML\") {\n\n // innerHTML, so we are only updating the children\n morphChildren(normalizedNewContent, oldNode, ctx);\n return oldNode.children;\n\n } else if (ctx.morphStyle === \"outerHTML\" || ctx.morphStyle == null) {\n // otherwise find the best element match in the new content, morph that, and merge its siblings\n // into either side of the best match\n let bestMatch = findBestNodeMatch(normalizedNewContent, oldNode, ctx);\n\n // stash the siblings that will need to be inserted on either side of the best match\n let previousSibling = bestMatch?.previousSibling;\n let nextSibling = bestMatch?.nextSibling;\n\n // morph it\n let morphedNode = morphOldNodeTo(oldNode, bestMatch, ctx);\n\n if (bestMatch) {\n // if there was a best match, merge the siblings in too and return the\n // whole bunch\n return insertSiblings(previousSibling, morphedNode, nextSibling);\n } else {\n // otherwise nothing was added to the DOM\n return []\n }\n } else {\n throw \"Do not understand how to morph style \" + ctx.morphStyle;\n }\n}\n\n\n\n/**\n * @param oldNode root node to merge content into\n * @param newContent new content to merge\n * @param ctx the merge context\n * @returns {Element} the element that ended up in the DOM\n */\nfunction morphOldNodeTo(oldNode, newContent, ctx) {\n if (ctx.ignoreActive && oldNode === document.activeElement) ; else if (newContent == null) {\n if (ctx.callbacks.beforeNodeRemoved(oldNode) === false) return;\n\n oldNode.remove();\n ctx.callbacks.afterNodeRemoved(oldNode);\n return null;\n } else if (!isSoftMatch(oldNode, newContent)) {\n if (ctx.callbacks.beforeNodeRemoved(oldNode) === false) return;\n if (ctx.callbacks.beforeNodeAdded(newContent) === false) return;\n\n oldNode.parentElement.replaceChild(newContent, oldNode);\n ctx.callbacks.afterNodeAdded(newContent);\n ctx.callbacks.afterNodeRemoved(oldNode);\n return newContent;\n } else {\n if (ctx.callbacks.beforeNodeMorphed(oldNode, newContent) === false) return;\n\n if (oldNode instanceof HTMLHeadElement && ctx.head.ignore) ; else if (oldNode instanceof HTMLHeadElement && ctx.head.style !== \"morph\") {\n handleHeadElement(newContent, oldNode, ctx);\n } else {\n syncNodeFrom(newContent, oldNode);\n morphChildren(newContent, oldNode, ctx);\n }\n ctx.callbacks.afterNodeMorphed(oldNode, newContent);\n return oldNode;\n }\n}\n\n/**\n * This is the core algorithm for matching up children. The idea is to use id sets to try to match up\n * nodes as faithfully as possible. We greedily match, which allows us to keep the algorithm fast, but\n * by using id sets, we are able to better match up with content deeper in the DOM.\n *\n * Basic algorithm is, for each node in the new content:\n *\n * - if we have reached the end of the old parent, append the new content\n * - if the new content has an id set match with the current insertion point, morph\n * - search for an id set match\n * - if id set match found, morph\n * - otherwise search for a \"soft\" match\n * - if a soft match is found, morph\n * - otherwise, prepend the new node before the current insertion point\n *\n * The two search algorithms terminate if competing node matches appear to outweigh what can be achieved\n * with the current node. See findIdSetMatch() and findSoftMatch() for details.\n *\n * @param {Element} newParent the parent element of the new content\n * @param {Element } oldParent the old content that we are merging the new content into\n * @param ctx the merge context\n */\nfunction morphChildren(newParent, oldParent, ctx) {\n\n let nextNewChild = newParent.firstChild;\n let insertionPoint = oldParent.firstChild;\n let newChild;\n\n // run through all the new content\n while (nextNewChild) {\n\n newChild = nextNewChild;\n nextNewChild = newChild.nextSibling;\n\n // if we are at the end of the exiting parent's children, just append\n if (insertionPoint == null) {\n if (ctx.callbacks.beforeNodeAdded(newChild) === false) return;\n\n oldParent.appendChild(newChild);\n ctx.callbacks.afterNodeAdded(newChild);\n removeIdsFromConsideration(ctx, newChild);\n continue;\n }\n\n // if the current node has an id set match then morph\n if (isIdSetMatch(newChild, insertionPoint, ctx)) {\n morphOldNodeTo(insertionPoint, newChild, ctx);\n insertionPoint = insertionPoint.nextSibling;\n removeIdsFromConsideration(ctx, newChild);\n continue;\n }\n\n // otherwise search forward in the existing old children for an id set match\n let idSetMatch = findIdSetMatch(newParent, oldParent, newChild, insertionPoint, ctx);\n\n // if we found a potential match, remove the nodes until that point and morph\n if (idSetMatch) {\n insertionPoint = removeNodesBetween(insertionPoint, idSetMatch, ctx);\n morphOldNodeTo(idSetMatch, newChild, ctx);\n removeIdsFromConsideration(ctx, newChild);\n continue;\n }\n\n // no id set match found, so scan forward for a soft match for the current node\n let softMatch = findSoftMatch(newParent, oldParent, newChild, insertionPoint, ctx);\n\n // if we found a soft match for the current node, morph\n if (softMatch) {\n insertionPoint = removeNodesBetween(insertionPoint, softMatch, ctx);\n morphOldNodeTo(softMatch, newChild, ctx);\n removeIdsFromConsideration(ctx, newChild);\n continue;\n }\n\n // abandon all hope of morphing, just insert the new child before the insertion point\n // and move on\n if (ctx.callbacks.beforeNodeAdded(newChild) === false) return;\n\n oldParent.insertBefore(newChild, insertionPoint);\n ctx.callbacks.afterNodeAdded(newChild);\n removeIdsFromConsideration(ctx, newChild);\n }\n\n // remove any remaining old nodes that didn't match up with new content\n while (insertionPoint !== null) {\n\n let tempNode = insertionPoint;\n insertionPoint = insertionPoint.nextSibling;\n removeNode(tempNode, ctx);\n }\n}\n\n//=============================================================================\n// Attribute Syncing Code\n//=============================================================================\n\n/**\n * syncs a given node with another node, copying over all attributes and\n * inner element state from the 'from' node to the 'to' node\n *\n * @param {Element} from the element to copy attributes & state from\n * @param {Element} to the element to copy attributes & state to\n */\nfunction syncNodeFrom(from, to) {\n let type = from.nodeType;\n\n // if is an element type, sync the attributes from the\n // new node into the new node\n if (type === 1 /* element type */) {\n const fromAttributes = from.attributes;\n const toAttributes = to.attributes;\n for (const fromAttribute of fromAttributes) {\n if (to.getAttribute(fromAttribute.name) !== fromAttribute.value) {\n to.setAttribute(fromAttribute.name, fromAttribute.value);\n }\n }\n for (const toAttribute of toAttributes) {\n if (!from.hasAttribute(toAttribute.name)) {\n to.removeAttribute(toAttribute.name);\n }\n }\n }\n\n // sync text nodes\n if (type === 8 /* comment */ || type === 3 /* text */) {\n if (to.nodeValue !== from.nodeValue) {\n to.nodeValue = from.nodeValue;\n }\n }\n\n // NB: many bothans died to bring us information:\n //\n // https://github.com/patrick-steele-idem/morphdom/blob/master/src/specialElHandlers.js\n // https://github.com/choojs/nanomorph/blob/master/lib/morph.jsL113\n\n // sync input value\n if (from instanceof HTMLInputElement &&\n to instanceof HTMLInputElement &&\n from.type !== 'file') {\n\n to.value = from.value || '';\n syncAttribute(from, to, 'value');\n\n // sync boolean attributes\n syncAttribute(from, to, 'checked');\n syncAttribute(from, to, 'disabled');\n } else if (from instanceof HTMLOptionElement) {\n syncAttribute(from, to, 'selected');\n } else if (from instanceof HTMLTextAreaElement && to instanceof HTMLTextAreaElement) {\n let fromValue = from.value;\n let toValue = to.value;\n if (fromValue !== toValue) {\n to.value = fromValue;\n }\n if (to.firstChild && to.firstChild.nodeValue !== fromValue) {\n to.firstChild.nodeValue = fromValue;\n }\n }\n}\n\nfunction syncAttribute(from, to, attributeName) {\n if (from[attributeName] !== to[attributeName]) {\n if (from[attributeName]) {\n to.setAttribute(attributeName, from[attributeName]);\n } else {\n to.removeAttribute(attributeName);\n }\n }\n}\n\n//=============================================================================\n// the HEAD tag can be handled specially, either w/ a 'merge' or 'append' style\n//=============================================================================\nfunction handleHeadElement(newHeadTag, currentHead, ctx) {\n\n let added = [];\n let removed = [];\n let preserved = [];\n let nodesToAppend = [];\n\n let headMergeStyle = ctx.head.style;\n\n // put all new head elements into a Map, by their outerHTML\n let srcToNewHeadNodes = new Map();\n for (const newHeadChild of newHeadTag.children) {\n srcToNewHeadNodes.set(newHeadChild.outerHTML, newHeadChild);\n }\n\n // for each elt in the current head\n for (const currentHeadElt of currentHead.children) {\n\n // If the current head element is in the map\n let inNewContent = srcToNewHeadNodes.has(currentHeadElt.outerHTML);\n let isReAppended = ctx.head.shouldReAppend(currentHeadElt);\n let isPreserved = ctx.head.shouldPreserve(currentHeadElt);\n if (inNewContent || isPreserved) {\n if (isReAppended) {\n // remove the current version and let the new version replace it and re-execute\n removed.push(currentHeadElt);\n } else {\n // this element already exists and should not be re-appended, so remove it from\n // the new content map, preserving it in the DOM\n srcToNewHeadNodes.delete(currentHeadElt.outerHTML);\n preserved.push(currentHeadElt);\n }\n } else {\n if (headMergeStyle === \"append\") {\n // we are appending and this existing element is not new content\n // so if and only if it is marked for re-append do we do anything\n if (isReAppended) {\n removed.push(currentHeadElt);\n nodesToAppend.push(currentHeadElt);\n }\n } else {\n // if this is a merge, we remove this content since it is not in the new head\n if (ctx.head.shouldRemove(currentHeadElt) !== false) {\n removed.push(currentHeadElt);\n }\n }\n }\n }\n\n // Push the remaining new head elements in the Map into the\n // nodes to append to the head tag\n nodesToAppend.push(...srcToNewHeadNodes.values());\n\n let promises = [];\n for (const newNode of nodesToAppend) {\n let newElt = document.createRange().createContextualFragment(newNode.outerHTML).firstChild;\n if (ctx.callbacks.beforeNodeAdded(newElt) !== false) {\n if (newElt.href || newElt.src) {\n let resolve = null;\n let promise = new Promise(function (_resolve) {\n resolve = _resolve;\n });\n newElt.addEventListener('load',function() {\n resolve();\n });\n promises.push(promise);\n }\n currentHead.appendChild(newElt);\n ctx.callbacks.afterNodeAdded(newElt);\n added.push(newElt);\n }\n }\n\n // remove all removed elements, after we have appended the new elements to avoid\n // additional network requests for things like style sheets\n for (const removedElement of removed) {\n if (ctx.callbacks.beforeNodeRemoved(removedElement) !== false) {\n currentHead.removeChild(removedElement);\n ctx.callbacks.afterNodeRemoved(removedElement);\n }\n }\n\n ctx.head.afterHeadMorphed(currentHead, {added: added, kept: preserved, removed: removed});\n return promises;\n}\n\nfunction noOp() {}\n\nfunction createMorphContext(oldNode, newContent, config) {\n return {\n target:oldNode,\n newContent: newContent,\n config: config,\n morphStyle : config.morphStyle,\n ignoreActive : config.ignoreActive,\n idMap: createIdMap(oldNode, newContent),\n deadIds: new Set(),\n callbacks: Object.assign({\n beforeNodeAdded: noOp,\n afterNodeAdded : noOp,\n beforeNodeMorphed: noOp,\n afterNodeMorphed : noOp,\n beforeNodeRemoved: noOp,\n afterNodeRemoved : noOp,\n\n }, config.callbacks),\n head: Object.assign({\n style: 'merge',\n shouldPreserve : function(elt) {\n return elt.getAttribute(\"im-preserve\") === \"true\";\n },\n shouldReAppend : function(elt) {\n return elt.getAttribute(\"im-re-append\") === \"true\";\n },\n shouldRemove : noOp,\n afterHeadMorphed : noOp,\n }, config.head),\n }\n}\n\nfunction isIdSetMatch(node1, node2, ctx) {\n if (node1 == null || node2 == null) {\n return false;\n }\n if (node1.nodeType === node2.nodeType && node1.tagName === node2.tagName) {\n if (node1.id !== \"\" && node1.id === node2.id) {\n return true;\n } else {\n return getIdIntersectionCount(ctx, node1, node2) > 0;\n }\n }\n return false;\n}\n\nfunction isSoftMatch(node1, node2) {\n if (node1 == null || node2 == null) {\n return false;\n }\n return node1.nodeType === node2.nodeType && node1.tagName === node2.tagName\n}\n\nfunction removeNodesBetween(startInclusive, endExclusive, ctx) {\n while (startInclusive !== endExclusive) {\n let tempNode = startInclusive;\n startInclusive = startInclusive.nextSibling;\n removeNode(tempNode, ctx);\n }\n removeIdsFromConsideration(ctx, endExclusive);\n return endExclusive.nextSibling;\n}\n\n//=============================================================================\n// Scans forward from the insertionPoint in the old parent looking for a potential id match\n// for the newChild. We stop if we find a potential id match for the new child OR\n// if the number of potential id matches we are discarding is greater than the\n// potential id matches for the new child\n//=============================================================================\nfunction findIdSetMatch(newContent, oldParent, newChild, insertionPoint, ctx) {\n\n // max id matches we are willing to discard in our search\n let newChildPotentialIdCount = getIdIntersectionCount(ctx, newChild, oldParent);\n\n let potentialMatch = null;\n\n // only search forward if there is a possibility of an id match\n if (newChildPotentialIdCount > 0) {\n let potentialMatch = insertionPoint;\n // if there is a possibility of an id match, scan forward\n // keep track of the potential id match count we are discarding (the\n // newChildPotentialIdCount must be greater than this to make it likely\n // worth it)\n let otherMatchCount = 0;\n while (potentialMatch != null) {\n\n // If we have an id match, return the current potential match\n if (isIdSetMatch(newChild, potentialMatch, ctx)) {\n return potentialMatch;\n }\n\n // computer the other potential matches of this new content\n otherMatchCount += getIdIntersectionCount(ctx, potentialMatch, newContent);\n if (otherMatchCount > newChildPotentialIdCount) {\n // if we have more potential id matches in _other_ content, we\n // do not have a good candidate for an id match, so return null\n return null;\n }\n\n // advanced to the next old content child\n potentialMatch = potentialMatch.nextSibling;\n }\n }\n return potentialMatch;\n}\n\n//=============================================================================\n// Scans forward from the insertionPoint in the old parent looking for a potential soft match\n// for the newChild. We stop if we find a potential soft match for the new child OR\n// if we find a potential id match in the old parents children OR if we find two\n// potential soft matches for the next two pieces of new content\n//=============================================================================\nfunction findSoftMatch(newContent, oldParent, newChild, insertionPoint, ctx) {\n\n let potentialSoftMatch = insertionPoint;\n let nextSibling = newChild.nextSibling;\n let siblingSoftMatchCount = 0;\n\n while (potentialSoftMatch != null) {\n\n if (getIdIntersectionCount(ctx, potentialSoftMatch, newContent) > 0) {\n // the current potential soft match has a potential id set match with the remaining new\n // content so bail out of looking\n return null;\n }\n\n // if we have a soft match with the current node, return it\n if (isSoftMatch(newChild, potentialSoftMatch)) {\n return potentialSoftMatch;\n }\n\n if (isSoftMatch(nextSibling, potentialSoftMatch)) {\n // the next new node has a soft match with this node, so\n // increment the count of future soft matches\n siblingSoftMatchCount++;\n nextSibling = nextSibling.nextSibling;\n\n // If there are two future soft matches, bail to allow the siblings to soft match\n // so that we don't consume future soft matches for the sake of the current node\n if (siblingSoftMatchCount >= 2) {\n return null;\n }\n }\n\n // advanced to the next old content child\n potentialSoftMatch = potentialSoftMatch.nextSibling;\n }\n\n return potentialSoftMatch;\n}\n\nfunction parseContent(newContent) {\n let parser = new DOMParser();\n\n // remove svgs to avoid false-positive matches on head, etc.\n let contentWithSvgsRemoved = newContent.replace(/