diff --git a/repository/Seaside-HotwireTurbo-Core.package/WATurboCallbackProcessingActionContinuation.class/properties.json b/repository/Seaside-HotwireTurbo-Core.package/WATurboCallbackProcessingActionContinuation.class/properties.json index 9c7ecbec2..ae52b6574 100644 --- a/repository/Seaside-HotwireTurbo-Core.package/WATurboCallbackProcessingActionContinuation.class/properties.json +++ b/repository/Seaside-HotwireTurbo-Core.package/WATurboCallbackProcessingActionContinuation.class/properties.json @@ -8,4 +8,4 @@ "instvars" : [ ], "name" : "WATurboCallbackProcessingActionContinuation", "type" : "normal" -} +} \ No newline at end of file diff --git a/repository/Seaside-HotwireTurbo-Core.package/WATurboFileLibrary.class/instance/turboes2017esmJs.st b/repository/Seaside-HotwireTurbo-Core.package/WATurboFileLibrary.class/instance/turboes2017esmJs.st index a3ba2fbf1..4c5a7f401 100644 --- a/repository/Seaside-HotwireTurbo-Core.package/WATurboFileLibrary.class/instance/turboes2017esmJs.st +++ b/repository/Seaside-HotwireTurbo-Core.package/WATurboFileLibrary.class/instance/turboes2017esmJs.st @@ -1,42 +1,24 @@ uploaded turboes2017esmJs - ^ '/* -Turbo 7.3.0 -Copyright © 2023 37signals LLC + ^ '/*! +Turbo 8.0.4 +Copyright © 2024 37signals LLC */ -(function () { - if (window.Reflect === undefined || - window.customElements === undefined || - window.customElements.polyfillWrapFlushCallback) { - return; - } - const BuiltInHTMLElement = HTMLElement; - const wrapperForTheName = { - HTMLElement: function HTMLElement() { - return Reflect.construct(BuiltInHTMLElement, [], this.constructor); - }, - }; - window.HTMLElement = wrapperForTheName["HTMLElement"]; - HTMLElement.prototype = BuiltInHTMLElement.prototype; - HTMLElement.prototype.constructor = HTMLElement; - Object.setPrototypeOf(HTMLElement, BuiltInHTMLElement); -})(); - /** * The MIT License (MIT) - * + * * Copyright (c) 2019 Javan Makhmali - * + * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: - * + * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. - * + * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE @@ -46,10 +28,10 @@ Copyright © 2023 37signals LLC * THE SOFTWARE. */ -(function(prototype) { +(function (prototype) { if (typeof prototype.requestSubmit == "function") return - prototype.requestSubmit = function(submitter) { + prototype.requestSubmit = function (submitter) { if (submitter) { validateSubmitter(submitter, this); submitter.click(); @@ -66,7 +48,8 @@ Copyright © 2023 37signals LLC function validateSubmitter(submitter, form) { submitter instanceof HTMLElement || raise(TypeError, "parameter 1 is not of type ''HTMLElement''"); submitter.type == "submit" || raise(TypeError, "The specified element is not a submit button"); - submitter.form == form || raise(DOMException, "The specified element is not owned by this form element", "NotFoundError"); + submitter.form == form || + raise(DOMException, "The specified element is not owned by this form element", "NotFoundError"); } function raise(errorConstructor, message, name) { @@ -75,3882 +58,6483 @@ Copyright © 2023 37signals LLC })(HTMLFormElement.prototype); const submittersByForm = new WeakMap(); + function findSubmitterFromClickTarget(target) { - const element = target instanceof Element ? target : target instanceof Node ? target.parentElement : null; - const candidate = element ? element.closest("input, button") : null; - return (candidate === null || candidate === void 0 ? void 0 : candidate.type) == "submit" ? candidate : null; + const element = target instanceof Element ? target : target instanceof Node ? target.parentElement : null; + const candidate = element ? element.closest("input, button") : null; + return candidate?.type == "submit" ? candidate : null } + function clickCaptured(event) { - const submitter = findSubmitterFromClickTarget(event.target); - if (submitter && submitter.form) { - submittersByForm.set(submitter.form, submitter); - } + const submitter = findSubmitterFromClickTarget(event.target); + + if (submitter && submitter.form) { + submittersByForm.set(submitter.form, submitter); + } } + (function () { - if ("submitter" in Event.prototype) - return; - let prototype = window.Event.prototype; - if ("SubmitEvent" in window && /Apple Computer/.test(navigator.vendor)) { - prototype = window.SubmitEvent.prototype; - } - else if ("SubmitEvent" in window) { - return; - } - addEventListener("click", clickCaptured, true); - Object.defineProperty(prototype, "submitter", { - get() { - if (this.type == "submit" && this.target instanceof HTMLFormElement) { - return submittersByForm.get(this.target); - } - }, - }); -})(); + if ("submitter" in Event.prototype) return -var FrameLoadingStyle; -(function (FrameLoadingStyle) { - FrameLoadingStyle["eager"] = "eager"; - FrameLoadingStyle["lazy"] = "lazy"; -})(FrameLoadingStyle || (FrameLoadingStyle = {})); -class FrameElement extends HTMLElement { - static get observedAttributes() { - return ["disabled", "complete", "loading", "src"]; - } - constructor() { - super(); - this.loaded = Promise.resolve(); - this.delegate = new FrameElement.delegateConstructor(this); - } - connectedCallback() { - this.delegate.connect(); - } - disconnectedCallback() { - this.delegate.disconnect(); - } - reload() { - return this.delegate.sourceURLReloaded(); - } - attributeChangedCallback(name) { - if (name == "loading") { - this.delegate.loadingStyleChanged(); - } - else if (name == "complete") { - this.delegate.completeChanged(); - } - else if (name == "src") { - this.delegate.sourceURLChanged(); - } - else { - this.delegate.disabledChanged(); - } - } - get src() { - return this.getAttribute("src"); - } - set src(value) { - if (value) { - this.setAttribute("src", value); - } - else { - this.removeAttribute("src"); - } - } - get loading() { - return frameLoadingStyleFromString(this.getAttribute("loading") || ""); - } - set loading(value) { - if (value) { - this.setAttribute("loading", value); - } - else { - this.removeAttribute("loading"); - } + let prototype = window.Event.prototype; + // Certain versions of Safari 15 have a bug where they won''t + // populate the submitter. This hurts TurboDrive''s enable/disable detection. + // See https://bugs.webkit.org/show_bug.cgi?id=229660 + if ("SubmitEvent" in window) { + const prototypeOfSubmitEvent = window.SubmitEvent.prototype; + + if (/Apple Computer/.test(navigator.vendor) && !("submitter" in prototypeOfSubmitEvent)) { + prototype = prototypeOfSubmitEvent; + } else { + return // polyfill not needed } - get disabled() { - return this.hasAttribute("disabled"); + } + + addEventListener("click", clickCaptured, true); + + Object.defineProperty(prototype, "submitter", { + get() { + if (this.type == "submit" && this.target instanceof HTMLFormElement) { + return submittersByForm.get(this.target) + } } - set disabled(value) { - if (value) { - this.setAttribute("disabled", ""); - } - else { - this.removeAttribute("disabled"); - } + }); +})(); + +const FrameLoadingStyle = { + eager: "eager", + lazy: "lazy" +}; + +/** + * Contains a fragment of HTML which is updated based on navigation within + * it (e.g. via links or form submissions). + * + * @customElement turbo-frame + * @example + * + * + * Show all expanded messages in this frame. + * + * + *
+ * Show response from this form within this frame. + *
+ * + */ +class FrameElement extends HTMLElement { + static delegateConstructor = undefined + + loaded = Promise.resolve() + + static get observedAttributes() { + return ["disabled", "loading", "src"] + } + + constructor() { + super(); + this.delegate = new FrameElement.delegateConstructor(this); + } + + connectedCallback() { + this.delegate.connect(); + } + + disconnectedCallback() { + this.delegate.disconnect(); + } + + reload() { + return this.delegate.sourceURLReloaded() + } + + attributeChangedCallback(name) { + if (name == "loading") { + this.delegate.loadingStyleChanged(); + } else if (name == "src") { + this.delegate.sourceURLChanged(); + } else if (name == "disabled") { + this.delegate.disabledChanged(); } - get autoscroll() { - return this.hasAttribute("autoscroll"); + } + + /** + * Gets the URL to lazily load source HTML from + */ + get src() { + return this.getAttribute("src") + } + + /** + * Sets the URL to lazily load source HTML from + */ + set src(value) { + if (value) { + this.setAttribute("src", value); + } else { + this.removeAttribute("src"); } - set autoscroll(value) { - if (value) { - this.setAttribute("autoscroll", ""); - } - else { - this.removeAttribute("autoscroll"); - } + } + + /** + * Gets the refresh mode for the frame. + */ + get refresh() { + return this.getAttribute("refresh") + } + + /** + * Sets the refresh mode for the frame. + */ + set refresh(value) { + if (value) { + this.setAttribute("refresh", value); + } else { + this.removeAttribute("refresh"); } - get complete() { - return !this.delegate.isLoading; + } + + /** + * Determines if the element is loading + */ + get loading() { + return frameLoadingStyleFromString(this.getAttribute("loading") || "") + } + + /** + * Sets the value of if the element is loading + */ + set loading(value) { + if (value) { + this.setAttribute("loading", value); + } else { + this.removeAttribute("loading"); } - get isActive() { - return this.ownerDocument === document && !this.isPreview; + } + + /** + * Gets the disabled state of the frame. + * + * If disabled, no requests will be intercepted by the frame. + */ + get disabled() { + return this.hasAttribute("disabled") + } + + /** + * Sets the disabled state of the frame. + * + * If disabled, no requests will be intercepted by the frame. + */ + set disabled(value) { + if (value) { + this.setAttribute("disabled", ""); + } else { + this.removeAttribute("disabled"); } - get isPreview() { - var _a, _b; - return (_b = (_a = this.ownerDocument) === null || _a === void 0 ? void 0 : _a.documentElement) === null || _b === void 0 ? void 0 : _b.hasAttribute("data-turbo-preview"); + } + + /** + * Gets the autoscroll state of the frame. + * + * If true, the frame will be scrolled into view automatically on update. + */ + get autoscroll() { + return this.hasAttribute("autoscroll") + } + + /** + * Sets the autoscroll state of the frame. + * + * If true, the frame will be scrolled into view automatically on update. + */ + set autoscroll(value) { + if (value) { + this.setAttribute("autoscroll", ""); + } else { + this.removeAttribute("autoscroll"); } + } + + /** + * Determines if the element has finished loading + */ + get complete() { + return !this.delegate.isLoading + } + + /** + * Gets the active state of the frame. + * + * If inactive, source changes will not be observed. + */ + get isActive() { + return this.ownerDocument === document && !this.isPreview + } + + /** + * Sets the active state of the frame. + * + * If inactive, source changes will not be observed. + */ + get isPreview() { + return this.ownerDocument?.documentElement?.hasAttribute("data-turbo-preview") + } } + function frameLoadingStyleFromString(style) { - switch (style.toLowerCase()) { - case "lazy": - return FrameLoadingStyle.lazy; - default: - return FrameLoadingStyle.eager; - } + switch (style.toLowerCase()) { + case "lazy": + return FrameLoadingStyle.lazy + default: + return FrameLoadingStyle.eager + } } function expandURL(locatable) { - return new URL(locatable.toString(), document.baseURI); + return new URL(locatable.toString(), document.baseURI) } + function getAnchor(url) { - let anchorMatch; - if (url.hash) { - return url.hash.slice(1); - } - else if ((anchorMatch = url.href.match(/#(.*)$/))) { - return anchorMatch[1]; - } + let anchorMatch; + if (url.hash) { + return url.hash.slice(1) + // eslint-disable-next-line no-cond-assign + } else if ((anchorMatch = url.href.match(/#(.*)$/))) { + return anchorMatch[1] + } } -function getAction(form, submitter) { - const action = (submitter === null || submitter === void 0 ? void 0 : submitter.getAttribute("formaction")) || form.getAttribute("action") || form.action; - return expandURL(action); + +function getAction$1(form, submitter) { + const action = submitter?.getAttribute("formaction") || form.getAttribute("action") || form.action; + + return expandURL(action) } + function getExtension(url) { - return (getLastPathComponent(url).match(/\.[^.]*$/) || [])[0] || ""; + return (getLastPathComponent(url).match(/\.[^.]*$/) || [])[0] || "" } + function isHTML(url) { - return !!getExtension(url).match(/^(?:|\.(?:htm|html|xhtml|php))$/); + return !!getExtension(url).match(/^(?:|\.(?:htm|html|xhtml|php))$/) } + function isPrefixedBy(baseURL, url) { - const prefix = getPrefix(url); - return baseURL.href === expandURL(prefix).href || baseURL.href.startsWith(prefix); + const prefix = getPrefix(url); + return baseURL.href === expandURL(prefix).href || baseURL.href.startsWith(prefix) } + function locationIsVisitable(location, rootLocation) { - return isPrefixedBy(location, rootLocation) && isHTML(location); + return isPrefixedBy(location, rootLocation) && isHTML(location) } + function getRequestURL(url) { - const anchor = getAnchor(url); - return anchor != null ? url.href.slice(0, -(anchor.length + 1)) : url.href; + const anchor = getAnchor(url); + return anchor != null ? url.href.slice(0, -(anchor.length + 1)) : url.href } + function toCacheKey(url) { - return getRequestURL(url); + return getRequestURL(url) } + function urlsAreEqual(left, right) { - return expandURL(left).href == expandURL(right).href; + return expandURL(left).href == expandURL(right).href } + function getPathComponents(url) { - return url.pathname.split("/").slice(1); + return url.pathname.split("/").slice(1) } + function getLastPathComponent(url) { - return getPathComponents(url).slice(-1)[0]; + return getPathComponents(url).slice(-1)[0] } + function getPrefix(url) { - return addTrailingSlash(url.origin + url.pathname); + return addTrailingSlash(url.origin + url.pathname) } + function addTrailingSlash(value) { - return value.endsWith("/") ? value : value + "/"; + return value.endsWith("/") ? value : value + "/" } class FetchResponse { - constructor(response) { - this.response = response; - } - get succeeded() { - return this.response.ok; - } - get failed() { - return !this.succeeded; - } - get clientError() { - return this.statusCode >= 400 && this.statusCode <= 499; - } - get serverError() { - return this.statusCode >= 500 && this.statusCode <= 599; - } - get redirected() { - return this.response.redirected; - } - get location() { - return expandURL(this.response.url); - } - get isHTML() { - return this.contentType && this.contentType.match(/^(?:text\/([^\s;,]+\b)?html|application\/xhtml\+xml)\b/); - } - get statusCode() { - return this.response.status; - } - get contentType() { - return this.header("Content-Type"); - } - get responseText() { - return this.response.clone().text(); - } - get responseHTML() { - if (this.isHTML) { - return this.response.clone().text(); - } - else { - return Promise.resolve(undefined); - } - } - header(name) { - return this.response.headers.get(name); + constructor(response) { + this.response = response; + } + + get succeeded() { + return this.response.ok + } + + get failed() { + return !this.succeeded + } + + get clientError() { + return this.statusCode >= 400 && this.statusCode <= 499 + } + + get serverError() { + return this.statusCode >= 500 && this.statusCode <= 599 + } + + get redirected() { + return this.response.redirected + } + + get location() { + return expandURL(this.response.url) + } + + get isHTML() { + return this.contentType && this.contentType.match(/^(?:text\/([^\s;,]+\b)?html|application\/xhtml\+xml)\b/) + } + + get statusCode() { + return this.response.status + } + + get contentType() { + return this.header("Content-Type") + } + + get responseText() { + return this.response.clone().text() + } + + get responseHTML() { + if (this.isHTML) { + return this.response.clone().text() + } else { + return Promise.resolve(undefined) } + } + + header(name) { + return this.response.headers.get(name) + } } function activateScriptElement(element) { - if (element.getAttribute("data-turbo-eval") == "false") { - return element; - } - else { - const createdScriptElement = document.createElement("script"); - const cspNonce = getMetaContent("csp-nonce"); - if (cspNonce) { - createdScriptElement.nonce = cspNonce; - } - createdScriptElement.textContent = element.textContent; - createdScriptElement.async = false; - copyElementAttributes(createdScriptElement, element); - return createdScriptElement; - } + if (element.getAttribute("data-turbo-eval") == "false") { + return element + } else { + const createdScriptElement = document.createElement("script"); + const cspNonce = getMetaContent("csp-nonce"); + if (cspNonce) { + createdScriptElement.nonce = cspNonce; + } + createdScriptElement.textContent = element.textContent; + createdScriptElement.async = false; + copyElementAttributes(createdScriptElement, element); + return createdScriptElement + } } + function copyElementAttributes(destinationElement, sourceElement) { - for (const { name, value } of sourceElement.attributes) { - destinationElement.setAttribute(name, value); - } + for (const { name, value } of sourceElement.attributes) { + destinationElement.setAttribute(name, value); + } } + function createDocumentFragment(html) { - const template = document.createElement("template"); - template.innerHTML = html; - return template.content; + const template = document.createElement("template"); + template.innerHTML = html; + return template.content } + function dispatch(eventName, { target, cancelable, detail } = {}) { - const event = new CustomEvent(eventName, { - cancelable, - bubbles: true, - composed: true, - detail, - }); - if (target && target.isConnected) { - target.dispatchEvent(event); - } - else { - document.documentElement.dispatchEvent(event); - } - return event; + const event = new CustomEvent(eventName, { + cancelable, + bubbles: true, + composed: true, + detail + }); + + if (target && target.isConnected) { + target.dispatchEvent(event); + } else { + document.documentElement.dispatchEvent(event); + } + + return event +} + +function nextRepaint() { + if (document.visibilityState === "hidden") { + return nextEventLoopTick() + } else { + return nextAnimationFrame() + } } + function nextAnimationFrame() { - return new Promise((resolve) => requestAnimationFrame(() => resolve())); + return new Promise((resolve) => requestAnimationFrame(() => resolve())) } + function nextEventLoopTick() { - return new Promise((resolve) => setTimeout(() => resolve(), 0)); + return new Promise((resolve) => setTimeout(() => resolve(), 0)) } + function nextMicrotask() { - return Promise.resolve(); + return Promise.resolve() } + function parseHTMLDocument(html = "") { - return new DOMParser().parseFromString(html, "text/html"); + return new DOMParser().parseFromString(html, "text/html") } + function unindent(strings, ...values) { - const lines = interpolate(strings, values).replace(/^\n/, "").split("\n"); - const match = lines[0].match(/^\s+/); - const indent = match ? match[0].length : 0; - return lines.map((line) => line.slice(indent)).join("\n"); + const lines = interpolate(strings, values).replace(/^\n/, "").split("\n"); + const match = lines[0].match(/^\s+/); + const indent = match ? match[0].length : 0; + return lines.map((line) => line.slice(indent)).join("\n") } + function interpolate(strings, values) { - return strings.reduce((result, string, i) => { - const value = values[i] == undefined ? "" : values[i]; - return result + string + value; - }, ""); + return strings.reduce((result, string, i) => { + const value = values[i] == undefined ? "" : values[i]; + return result + string + value + }, "") } + function uuid() { - return Array.from({ length: 36 }) - .map((_, i) => { - if (i == 8 || i == 13 || i == 18 || i == 23) { - return "-"; - } - else if (i == 14) { - return "4"; - } - else if (i == 19) { - return (Math.floor(Math.random() * 4) + 8).toString(16); - } - else { - return Math.floor(Math.random() * 15).toString(16); - } + return Array.from({ length: 36 }) + .map((_, i) => { + if (i == 8 || i == 13 || i == 18 || i == 23) { + return "-" + } else if (i == 14) { + return "4" + } else if (i == 19) { + return (Math.floor(Math.random() * 4) + 8).toString(16) + } else { + return Math.floor(Math.random() * 15).toString(16) + } }) - .join(""); + .join("") } + function getAttribute(attributeName, ...elements) { - for (const value of elements.map((element) => element === null || element === void 0 ? void 0 : element.getAttribute(attributeName))) { - if (typeof value == "string") - return value; - } - return null; + for (const value of elements.map((element) => element?.getAttribute(attributeName))) { + if (typeof value == "string") return value + } + + return null } + function hasAttribute(attributeName, ...elements) { - return elements.some((element) => element && element.hasAttribute(attributeName)); + return elements.some((element) => element && element.hasAttribute(attributeName)) } + function markAsBusy(...elements) { - for (const element of elements) { - if (element.localName == "turbo-frame") { - element.setAttribute("busy", ""); - } - element.setAttribute("aria-busy", "true"); + for (const element of elements) { + if (element.localName == "turbo-frame") { + element.setAttribute("busy", ""); } + element.setAttribute("aria-busy", "true"); + } } + function clearBusyState(...elements) { - for (const element of elements) { - if (element.localName == "turbo-frame") { - element.removeAttribute("busy"); - } - element.removeAttribute("aria-busy"); + for (const element of elements) { + if (element.localName == "turbo-frame") { + element.removeAttribute("busy"); } + + element.removeAttribute("aria-busy"); + } } + function waitForLoad(element, timeoutInMilliseconds = 2000) { - return new Promise((resolve) => { - const onComplete = () => { - element.removeEventListener("error", onComplete); - element.removeEventListener("load", onComplete); - resolve(); - }; - element.addEventListener("load", onComplete, { once: true }); - element.addEventListener("error", onComplete, { once: true }); - setTimeout(resolve, timeoutInMilliseconds); - }); + return new Promise((resolve) => { + const onComplete = () => { + element.removeEventListener("error", onComplete); + element.removeEventListener("load", onComplete); + resolve(); + }; + + element.addEventListener("load", onComplete, { once: true }); + element.addEventListener("error", onComplete, { once: true }); + setTimeout(resolve, timeoutInMilliseconds); + }) } + function getHistoryMethodForAction(action) { - switch (action) { - case "replace": - return history.replaceState; - case "advance": - case "restore": - return history.pushState; - } + switch (action) { + case "replace": + return history.replaceState + case "advance": + case "restore": + return history.pushState + } } + function isAction(action) { - return action == "advance" || action == "replace" || action == "restore"; + return action == "advance" || action == "replace" || action == "restore" } + function getVisitAction(...elements) { - const action = getAttribute("data-turbo-action", ...elements); - return isAction(action) ? action : null; + const action = getAttribute("data-turbo-action", ...elements); + + return isAction(action) ? action : null } + function getMetaElement(name) { - return document.querySelector(`meta[name="${name}"]`); + return document.querySelector(`meta[name="${name}"]`) } + function getMetaContent(name) { - const element = getMetaElement(name); - return element && element.content; + const element = getMetaElement(name); + return element && element.content } + function setMetaContent(name, content) { - let element = getMetaElement(name); - if (!element) { - element = document.createElement("meta"); - element.setAttribute("name", name); - document.head.appendChild(element); - } - element.setAttribute("content", content); - return element; + let element = getMetaElement(name); + + if (!element) { + element = document.createElement("meta"); + element.setAttribute("name", name); + + document.head.appendChild(element); + } + + element.setAttribute("content", content); + + return element } + function findClosestRecursively(element, selector) { - var _a; - if (element instanceof Element) { - return (element.closest(selector) || - findClosestRecursively(element.assignedSlot || ((_a = element.getRootNode()) === null || _a === void 0 ? void 0 : _a.host), selector)); - } + if (element instanceof Element) { + return ( + element.closest(selector) || findClosestRecursively(element.assignedSlot || element.getRootNode()?.host, selector) + ) + } } -var FetchMethod; -(function (FetchMethod) { - FetchMethod[FetchMethod["get"] = 0] = "get"; - FetchMethod[FetchMethod["post"] = 1] = "post"; - FetchMethod[FetchMethod["put"] = 2] = "put"; - FetchMethod[FetchMethod["patch"] = 3] = "patch"; - FetchMethod[FetchMethod["delete"] = 4] = "delete"; -})(FetchMethod || (FetchMethod = {})); -function fetchMethodFromString(method) { - switch (method.toLowerCase()) { - case "get": - return FetchMethod.get; - case "post": - return FetchMethod.post; - case "put": - return FetchMethod.put; - case "patch": - return FetchMethod.patch; - case "delete": - return FetchMethod.delete; - } -} -class FetchRequest { - constructor(delegate, method, location, body = new URLSearchParams(), target = null) { - this.abortController = new AbortController(); - this.resolveRequestPromise = (_value) => { }; - this.delegate = delegate; - this.method = method; - this.headers = this.defaultHeaders; - this.body = body; - this.url = location; - this.target = target; - } - get location() { - return this.url; - } - get params() { - return this.url.searchParams; - } - get entries() { - return this.body ? Array.from(this.body.entries()) : []; - } - cancel() { - this.abortController.abort(); - } - async perform() { - const { fetchOptions } = this; - this.delegate.prepareRequest(this); - await this.allowRequestToBeIntercepted(fetchOptions); - try { - this.delegate.requestStarted(this); - const response = await fetch(this.url.href, fetchOptions); - return await this.receive(response); - } - catch (error) { - if (error.name !== "AbortError") { - if (this.willDelegateErrorHandling(error)) { - this.delegate.requestErrored(this, error); - } - throw error; - } - } - finally { - this.delegate.requestFinished(this); - } - } - async receive(response) { - const fetchResponse = new FetchResponse(response); - const event = dispatch("turbo:before-fetch-response", { - cancelable: true, - detail: { fetchResponse }, - target: this.target, - }); - if (event.defaultPrevented) { - this.delegate.requestPreventedHandlingResponse(this, fetchResponse); - } - else if (fetchResponse.succeeded) { - this.delegate.requestSucceededWithResponse(this, fetchResponse); - } - else { - this.delegate.requestFailedWithResponse(this, fetchResponse); - } - return fetchResponse; - } - get fetchOptions() { - var _a; - return { - method: FetchMethod[this.method].toUpperCase(), - credentials: "same-origin", - headers: this.headers, - redirect: "follow", - body: this.isSafe ? null : this.body, - signal: this.abortSignal, - referrer: (_a = this.delegate.referrer) === null || _a === void 0 ? void 0 : _a.href, - }; - } - get defaultHeaders() { - return { - Accept: "text/html, application/xhtml+xml", - }; - } - get isSafe() { - return this.method === FetchMethod.get; - } - get abortSignal() { - return this.abortController.signal; - } - acceptResponseType(mimeType) { - this.headers["Accept"] = [mimeType, this.headers["Accept"]].join(", "); - } - async allowRequestToBeIntercepted(fetchOptions) { - const requestInterception = new Promise((resolve) => (this.resolveRequestPromise = resolve)); - const event = dispatch("turbo:before-fetch-request", { - cancelable: true, - detail: { - fetchOptions, - url: this.url, - resume: this.resolveRequestPromise, - }, - target: this.target, - }); - if (event.defaultPrevented) - await requestInterception; - } - willDelegateErrorHandling(error) { - const event = dispatch("turbo:fetch-request-error", { - target: this.target, - cancelable: true, - detail: { request: this, error: error }, - }); - return !event.defaultPrevented; - } +function elementIsFocusable(element) { + const inertDisabledOrHidden = "[inert], :disabled, [hidden], details:not([open]), dialog:not([open])"; + + return !!element && element.closest(inertDisabledOrHidden) == null && typeof element.focus == "function" } -class AppearanceObserver { - constructor(delegate, element) { - this.started = false; - this.intersect = (entries) => { - const lastEntry = entries.slice(-1)[0]; - if (lastEntry === null || lastEntry === void 0 ? void 0 : lastEntry.isIntersecting) { - this.delegate.elementAppearedInViewport(this.element); - } - }; - this.delegate = delegate; - this.element = element; - this.intersectionObserver = new IntersectionObserver(this.intersect); - } - start() { - if (!this.started) { - this.started = true; - this.intersectionObserver.observe(this.element); - } - } - stop() { - if (this.started) { - this.started = false; - this.intersectionObserver.unobserve(this.element); - } - } +function queryAutofocusableElement(elementOrDocumentFragment) { + return Array.from(elementOrDocumentFragment.querySelectorAll("[autofocus]")).find(elementIsFocusable) } -class StreamMessage { - static wrap(message) { - if (typeof message == "string") { - return new this(createDocumentFragment(message)); - } - else { - return message; - } - } - constructor(fragment) { - this.fragment = importStreamElements(fragment); - } -} -StreamMessage.contentType = "text/vnd.turbo-stream.html"; -function importStreamElements(fragment) { - for (const element of fragment.querySelectorAll("turbo-stream")) { - const streamElement = document.importNode(element, true); - for (const inertScriptElement of streamElement.templateElement.content.querySelectorAll("script")) { - inertScriptElement.replaceWith(activateScriptElement(inertScriptElement)); - } - element.replaceWith(streamElement); - } - return fragment; -} - -var FormSubmissionState; -(function (FormSubmissionState) { - FormSubmissionState[FormSubmissionState["initialized"] = 0] = "initialized"; - FormSubmissionState[FormSubmissionState["requesting"] = 1] = "requesting"; - FormSubmissionState[FormSubmissionState["waiting"] = 2] = "waiting"; - FormSubmissionState[FormSubmissionState["receiving"] = 3] = "receiving"; - FormSubmissionState[FormSubmissionState["stopping"] = 4] = "stopping"; - FormSubmissionState[FormSubmissionState["stopped"] = 5] = "stopped"; -})(FormSubmissionState || (FormSubmissionState = {})); -var FormEnctype; -(function (FormEnctype) { - FormEnctype["urlEncoded"] = "application/x-www-form-urlencoded"; - FormEnctype["multipart"] = "multipart/form-data"; - FormEnctype["plain"] = "text/plain"; -})(FormEnctype || (FormEnctype = {})); -function formEnctypeFromString(encoding) { - switch (encoding.toLowerCase()) { - case FormEnctype.multipart: - return FormEnctype.multipart; - case FormEnctype.plain: - return FormEnctype.plain; - default: - return FormEnctype.urlEncoded; - } +async function around(callback, reader) { + const before = reader(); + + callback(); + + await nextAnimationFrame(); + + const after = reader(); + + return [before, after] } -class FormSubmission { - static confirmMethod(message, _element, _submitter) { - return Promise.resolve(confirm(message)); - } - constructor(delegate, formElement, submitter, mustRedirect = false) { - this.state = FormSubmissionState.initialized; - this.delegate = delegate; - this.formElement = formElement; - this.submitter = submitter; - this.formData = buildFormData(formElement, submitter); - this.location = expandURL(this.action); - if (this.method == FetchMethod.get) { - mergeFormDataEntries(this.location, [...this.body.entries()]); - } - this.fetchRequest = new FetchRequest(this, this.method, this.location, this.body, this.formElement); - this.mustRedirect = mustRedirect; - } - get method() { - var _a; - const method = ((_a = this.submitter) === null || _a === void 0 ? void 0 : _a.getAttribute("formmethod")) || this.formElement.getAttribute("method") || ""; - return fetchMethodFromString(method.toLowerCase()) || FetchMethod.get; - } - get action() { - var _a; - const formElementAction = typeof this.formElement.action === "string" ? this.formElement.action : null; - if ((_a = this.submitter) === null || _a === void 0 ? void 0 : _a.hasAttribute("formaction")) { - return this.submitter.getAttribute("formaction") || ""; - } - else { - return this.formElement.getAttribute("action") || formElementAction || ""; - } - } - get body() { - if (this.enctype == FormEnctype.urlEncoded || this.method == FetchMethod.get) { - return new URLSearchParams(this.stringFormData); - } - else { - return this.formData; - } - } - get enctype() { - var _a; - return formEnctypeFromString(((_a = this.submitter) === null || _a === void 0 ? void 0 : _a.getAttribute("formenctype")) || this.formElement.enctype); - } - get isSafe() { - return this.fetchRequest.isSafe; - } - get stringFormData() { - return [...this.formData].reduce((entries, [name, value]) => { - return entries.concat(typeof value == "string" ? [[name, value]] : []); - }, []); - } - async start() { - const { initialized, requesting } = FormSubmissionState; - const confirmationMessage = getAttribute("data-turbo-confirm", this.submitter, this.formElement); - if (typeof confirmationMessage === "string") { - const answer = await FormSubmission.confirmMethod(confirmationMessage, this.formElement, this.submitter); - if (!answer) { - return; - } - } - if (this.state == initialized) { - this.state = requesting; - return this.fetchRequest.perform(); - } - } - stop() { - const { stopping, stopped } = FormSubmissionState; - if (this.state != stopping && this.state != stopped) { - this.state = stopping; - this.fetchRequest.cancel(); - return true; - } - } - prepareRequest(request) { - if (!request.isSafe) { - const token = getCookieValue(getMetaContent("csrf-param")) || getMetaContent("csrf-token"); - if (token) { - request.headers["X-CSRF-Token"] = token; - } - } - if (this.requestAcceptsTurboStreamResponse(request)) { - request.acceptResponseType(StreamMessage.contentType); - } - } - requestStarted(_request) { - var _a; - this.state = FormSubmissionState.waiting; - (_a = this.submitter) === null || _a === void 0 ? void 0 : _a.setAttribute("disabled", ""); - this.setSubmitsWith(); - dispatch("turbo:submit-start", { - target: this.formElement, - detail: { formSubmission: this }, - }); - this.delegate.formSubmissionStarted(this); - } - requestPreventedHandlingResponse(request, response) { - this.result = { success: response.succeeded, fetchResponse: response }; - } - requestSucceededWithResponse(request, response) { - if (response.clientError || response.serverError) { - this.delegate.formSubmissionFailedWithResponse(this, response); - } - else if (this.requestMustRedirect(request) && responseSucceededWithoutRedirect(response)) { - const error = new Error("Form responses must redirect to another location"); - this.delegate.formSubmissionErrored(this, error); - } - else { - this.state = FormSubmissionState.receiving; - this.result = { success: true, fetchResponse: response }; - this.delegate.formSubmissionSucceededWithResponse(this, response); - } - } - requestFailedWithResponse(request, response) { - this.result = { success: false, fetchResponse: response }; - this.delegate.formSubmissionFailedWithResponse(this, response); - } - requestErrored(request, error) { - this.result = { success: false, error }; - this.delegate.formSubmissionErrored(this, error); - } - requestFinished(_request) { - var _a; - this.state = FormSubmissionState.stopped; - (_a = this.submitter) === null || _a === void 0 ? void 0 : _a.removeAttribute("disabled"); - this.resetSubmitterText(); - dispatch("turbo:submit-end", { - target: this.formElement, - detail: Object.assign({ formSubmission: this }, this.result), - }); - this.delegate.formSubmissionFinished(this); - } - setSubmitsWith() { - if (!this.submitter || !this.submitsWith) - return; - if (this.submitter.matches("button")) { - this.originalSubmitText = this.submitter.innerHTML; - this.submitter.innerHTML = this.submitsWith; - } - else if (this.submitter.matches("input")) { - const input = this.submitter; - this.originalSubmitText = input.value; - input.value = this.submitsWith; - } - } - resetSubmitterText() { - if (!this.submitter || !this.originalSubmitText) - return; - if (this.submitter.matches("button")) { - this.submitter.innerHTML = this.originalSubmitText; - } - else if (this.submitter.matches("input")) { - const input = this.submitter; - input.value = this.originalSubmitText; - } - } - requestMustRedirect(request) { - return !request.isSafe && this.mustRedirect; - } - requestAcceptsTurboStreamResponse(request) { - return !request.isSafe || hasAttribute("data-turbo-stream", this.submitter, this.formElement); - } - get submitsWith() { - var _a; - return (_a = this.submitter) === null || _a === void 0 ? void 0 : _a.getAttribute("data-turbo-submits-with"); + +function doesNotTargetIFrame(anchor) { + if (anchor.hasAttribute("target")) { + for (const element of document.getElementsByName(anchor.target)) { + if (element instanceof HTMLIFrameElement) return false } + } + + return true } -function buildFormData(formElement, submitter) { - const formData = new FormData(formElement); - const name = submitter === null || submitter === void 0 ? void 0 : submitter.getAttribute("name"); - const value = submitter === null || submitter === void 0 ? void 0 : submitter.getAttribute("value"); - if (name) { - formData.append(name, value || ""); - } - return formData; + +function findLinkFromClickTarget(target) { + return findClosestRecursively(target, "a[href]:not([target^=_]):not([download])") } -function getCookieValue(cookieName) { - if (cookieName != null) { - const cookies = document.cookie ? document.cookie.split("; ") : []; - const cookie = cookies.find((cookie) => cookie.startsWith(cookieName)); - if (cookie) { - const value = cookie.split("=").slice(1).join("="); - return value ? decodeURIComponent(value) : undefined; - } - } + +function getLocationForLink(link) { + return expandURL(link.getAttribute("href") || "") } -function responseSucceededWithoutRedirect(response) { - return response.statusCode == 200 && !response.redirected; + +function debounce(fn, delay) { + let timeoutId = null; + + return (...args) => { + const callback = () => fn.apply(this, args); + clearTimeout(timeoutId); + timeoutId = setTimeout(callback, delay); + } } -function mergeFormDataEntries(url, entries) { - const searchParams = new URLSearchParams(); - for (const [name, value] of entries) { - if (value instanceof File) - continue; - searchParams.append(name, value); + +class LimitedSet extends Set { + constructor(maxSize) { + super(); + this.maxSize = maxSize; + } + + add(value) { + if (this.size >= this.maxSize) { + const iterator = this.values(); + const oldestValue = iterator.next().value; + this.delete(oldestValue); } - url.search = searchParams.toString(); - return url; + super.add(value); + } } -class Snapshot { - constructor(element) { - this.element = element; - } - get activeElement() { - return this.element.ownerDocument.activeElement; - } - get children() { - return [...this.element.children]; - } - hasAnchor(anchor) { - return this.getElementForAnchor(anchor) != null; - } - getElementForAnchor(anchor) { - return anchor ? this.element.querySelector(`[id=''${anchor}''], a[name=''${anchor}'']`) : null; - } - get isConnected() { - return this.element.isConnected; - } - get firstAutofocusableElement() { - const inertDisabledOrHidden = "[inert], :disabled, [hidden], details:not([open]), dialog:not([open])"; - for (const element of this.element.querySelectorAll("[autofocus]")) { - if (element.closest(inertDisabledOrHidden) == null) - return element; - else - continue; - } - return null; - } - get permanentElements() { - return queryPermanentElementsAll(this.element); - } - getPermanentElementById(id) { - return getPermanentElementById(this.element, id); - } - getPermanentElementMapForSnapshot(snapshot) { - const permanentElementMap = {}; - for (const currentPermanentElement of this.permanentElements) { - const { id } = currentPermanentElement; - const newPermanentElement = snapshot.getPermanentElementById(id); - if (newPermanentElement) { - permanentElementMap[id] = [currentPermanentElement, newPermanentElement]; - } - } - return permanentElementMap; - } +const recentRequests = new LimitedSet(20); + +const nativeFetch = window.fetch; + +function fetchWithTurboHeaders(url, options = {}) { + const modifiedHeaders = new Headers(options.headers || {}); + const requestUID = uuid(); + recentRequests.add(requestUID); + modifiedHeaders.append("X-Turbo-Request-Id", requestUID); + + return nativeFetch(url, { + ...options, + headers: modifiedHeaders + }) } -function getPermanentElementById(node, id) { - return node.querySelector(`#${id}[data-turbo-permanent]`); + +function fetchMethodFromString(method) { + switch (method.toLowerCase()) { + case "get": + return FetchMethod.get + case "post": + return FetchMethod.post + case "put": + return FetchMethod.put + case "patch": + return FetchMethod.patch + case "delete": + return FetchMethod.delete + } } -function queryPermanentElementsAll(node) { - return node.querySelectorAll("[id][data-turbo-permanent]"); + +const FetchMethod = { + get: "get", + post: "post", + put: "put", + patch: "patch", + delete: "delete" +}; + +function fetchEnctypeFromString(encoding) { + switch (encoding.toLowerCase()) { + case FetchEnctype.multipart: + return FetchEnctype.multipart + case FetchEnctype.plain: + return FetchEnctype.plain + default: + return FetchEnctype.urlEncoded + } } -class FormSubmitObserver { - constructor(delegate, eventTarget) { - this.started = false; - this.submitCaptured = () => { - this.eventTarget.removeEventListener("submit", this.submitBubbled, false); - this.eventTarget.addEventListener("submit", this.submitBubbled, false); - }; - this.submitBubbled = ((event) => { - if (!event.defaultPrevented) { - const form = event.target instanceof HTMLFormElement ? event.target : undefined; - const submitter = event.submitter || undefined; - if (form && - submissionDoesNotDismissDialog(form, submitter) && - submissionDoesNotTargetIFrame(form, submitter) && - this.delegate.willSubmitForm(form, submitter)) { - event.preventDefault(); - event.stopImmediatePropagation(); - this.delegate.formSubmitted(form, submitter); - } - } - }); - this.delegate = delegate; - this.eventTarget = eventTarget; - } - start() { - if (!this.started) { - this.eventTarget.addEventListener("submit", this.submitCaptured, true); - this.started = true; - } +const FetchEnctype = { + urlEncoded: "application/x-www-form-urlencoded", + multipart: "multipart/form-data", + plain: "text/plain" +}; + +class FetchRequest { + abortController = new AbortController() + #resolveRequestPromise = (_value) => {} + + constructor(delegate, method, location, requestBody = new URLSearchParams(), target = null, enctype = FetchEnctype.urlEncoded) { + const [url, body] = buildResourceAndBody(expandURL(location), method, requestBody, enctype); + + this.delegate = delegate; + this.url = url; + this.target = target; + this.fetchOptions = { + credentials: "same-origin", + redirect: "follow", + method: method, + headers: { ...this.defaultHeaders }, + body: body, + signal: this.abortSignal, + referrer: this.delegate.referrer?.href + }; + this.enctype = enctype; + } + + get method() { + return this.fetchOptions.method + } + + set method(value) { + const fetchBody = this.isSafe ? this.url.searchParams : this.fetchOptions.body || new FormData(); + const fetchMethod = fetchMethodFromString(value) || FetchMethod.get; + + this.url.search = ""; + + const [url, body] = buildResourceAndBody(this.url, fetchMethod, fetchBody, this.enctype); + + this.url = url; + this.fetchOptions.body = body; + this.fetchOptions.method = fetchMethod; + } + + get headers() { + return this.fetchOptions.headers + } + + set headers(value) { + this.fetchOptions.headers = value; + } + + get body() { + if (this.isSafe) { + return this.url.searchParams + } else { + return this.fetchOptions.body } - stop() { - if (this.started) { - this.eventTarget.removeEventListener("submit", this.submitCaptured, true); - this.started = false; - } + } + + set body(value) { + this.fetchOptions.body = value; + } + + get location() { + return this.url + } + + get params() { + return this.url.searchParams + } + + get entries() { + return this.body ? Array.from(this.body.entries()) : [] + } + + cancel() { + this.abortController.abort(); + } + + async perform() { + const { fetchOptions } = this; + this.delegate.prepareRequest(this); + const event = await this.#allowRequestToBeIntercepted(fetchOptions); + try { + this.delegate.requestStarted(this); + + if (event.detail.fetchRequest) { + this.response = event.detail.fetchRequest.response; + } else { + this.response = fetchWithTurboHeaders(this.url.href, fetchOptions); + } + + const response = await this.response; + return await this.receive(response) + } catch (error) { + if (error.name !== "AbortError") { + if (this.#willDelegateErrorHandling(error)) { + this.delegate.requestErrored(this, error); + } + throw error + } + } finally { + this.delegate.requestFinished(this); } -} -function submissionDoesNotDismissDialog(form, submitter) { - const method = (submitter === null || submitter === void 0 ? void 0 : submitter.getAttribute("formmethod")) || form.getAttribute("method"); - return method != "dialog"; -} -function submissionDoesNotTargetIFrame(form, submitter) { - if ((submitter === null || submitter === void 0 ? void 0 : submitter.hasAttribute("formtarget")) || form.hasAttribute("target")) { - const target = (submitter === null || submitter === void 0 ? void 0 : submitter.getAttribute("formtarget")) || form.target; - for (const element of document.getElementsByName(target)) { - if (element instanceof HTMLIFrameElement) - return false; - } - return true; + } + + async receive(response) { + const fetchResponse = new FetchResponse(response); + const event = dispatch("turbo:before-fetch-response", { + cancelable: true, + detail: { fetchResponse }, + target: this.target + }); + if (event.defaultPrevented) { + this.delegate.requestPreventedHandlingResponse(this, fetchResponse); + } else if (fetchResponse.succeeded) { + this.delegate.requestSucceededWithResponse(this, fetchResponse); + } else { + this.delegate.requestFailedWithResponse(this, fetchResponse); } - else { - return true; + return fetchResponse + } + + get defaultHeaders() { + return { + Accept: "text/html, application/xhtml+xml" } + } + + get isSafe() { + return isSafe(this.method) + } + + get abortSignal() { + return this.abortController.signal + } + + acceptResponseType(mimeType) { + this.headers["Accept"] = [mimeType, this.headers["Accept"]].join(", "); + } + + async #allowRequestToBeIntercepted(fetchOptions) { + const requestInterception = new Promise((resolve) => (this.#resolveRequestPromise = resolve)); + const event = dispatch("turbo:before-fetch-request", { + cancelable: true, + detail: { + fetchOptions, + url: this.url, + resume: this.#resolveRequestPromise + }, + target: this.target + }); + this.url = event.detail.url; + if (event.defaultPrevented) await requestInterception; + + return event + } + + #willDelegateErrorHandling(error) { + const event = dispatch("turbo:fetch-request-error", { + target: this.target, + cancelable: true, + detail: { request: this, error: error } + }); + + return !event.defaultPrevented + } } -class View { - constructor(delegate, element) { - this.resolveRenderPromise = (_value) => { }; - this.resolveInterceptionPromise = (_value) => { }; - this.delegate = delegate; - this.element = element; - } - scrollToAnchor(anchor) { - const element = this.snapshot.getElementForAnchor(anchor); - if (element) { - this.scrollToElement(element); - this.focusElement(element); - } - else { - this.scrollToPosition({ x: 0, y: 0 }); - } - } - scrollToAnchorFromLocation(location) { - this.scrollToAnchor(getAnchor(location)); - } - scrollToElement(element) { - element.scrollIntoView(); - } - focusElement(element) { - if (element instanceof HTMLElement) { - if (element.hasAttribute("tabindex")) { - element.focus(); - } - else { - element.setAttribute("tabindex", "-1"); - element.focus(); - element.removeAttribute("tabindex"); - } - } - } - scrollToPosition({ x, y }) { - this.scrollRoot.scrollTo(x, y); - } - scrollToTop() { - this.scrollToPosition({ x: 0, y: 0 }); - } - get scrollRoot() { - return window; - } - async render(renderer) { - const { isPreview, shouldRender, newSnapshot: snapshot } = renderer; - if (shouldRender) { - try { - this.renderPromise = new Promise((resolve) => (this.resolveRenderPromise = resolve)); - this.renderer = renderer; - await this.prepareToRenderSnapshot(renderer); - const renderInterception = new Promise((resolve) => (this.resolveInterceptionPromise = resolve)); - const options = { resume: this.resolveInterceptionPromise, render: this.renderer.renderElement }; - const immediateRender = this.delegate.allowsImmediateRender(snapshot, options); - if (!immediateRender) - await renderInterception; - await this.renderSnapshot(renderer); - this.delegate.viewRenderedSnapshot(snapshot, isPreview); - this.delegate.preloadOnLoadLinksForView(this.element); - this.finishRenderingSnapshot(renderer); - } - finally { - delete this.renderer; - this.resolveRenderPromise(undefined); - delete this.renderPromise; - } - } - else { - this.invalidate(renderer.reloadReason); - } - } - invalidate(reason) { - this.delegate.viewInvalidated(reason); - } - async prepareToRenderSnapshot(renderer) { - this.markAsPreview(renderer.isPreview); - await renderer.prepareToRender(); - } - markAsPreview(isPreview) { - if (isPreview) { - this.element.setAttribute("data-turbo-preview", ""); - } - else { - this.element.removeAttribute("data-turbo-preview"); - } - } - async renderSnapshot(renderer) { - await renderer.render(); - } - finishRenderingSnapshot(renderer) { - renderer.finishRendering(); - } +function isSafe(fetchMethod) { + return fetchMethodFromString(fetchMethod) == FetchMethod.get } -class FrameView extends View { - missing() { - this.element.innerHTML = `Content missing`; - } - get snapshot() { - return new Snapshot(this.element); - } +function buildResourceAndBody(resource, method, requestBody, enctype) { + const searchParams = + Array.from(requestBody).length > 0 ? new URLSearchParams(entriesExcludingFiles(requestBody)) : resource.searchParams; + + if (isSafe(method)) { + return [mergeIntoURLSearchParams(resource, searchParams), null] + } else if (enctype == FetchEnctype.urlEncoded) { + return [resource, searchParams] + } else { + return [resource, requestBody] + } } -class LinkInterceptor { - constructor(delegate, element) { - this.clickBubbled = (event) => { - if (this.respondsToEventTarget(event.target)) { - this.clickEvent = event; - } - else { - delete this.clickEvent; - } - }; - this.linkClicked = ((event) => { - if (this.clickEvent && this.respondsToEventTarget(event.target) && event.target instanceof Element) { - if (this.delegate.shouldInterceptLinkClick(event.target, event.detail.url, event.detail.originalEvent)) { - this.clickEvent.preventDefault(); - event.preventDefault(); - this.delegate.linkClickIntercepted(event.target, event.detail.url, event.detail.originalEvent); - } - } - delete this.clickEvent; - }); - this.willVisit = ((_event) => { - delete this.clickEvent; - }); - this.delegate = delegate; - this.element = element; - } - start() { - this.element.addEventListener("click", this.clickBubbled); - document.addEventListener("turbo:click", this.linkClicked); - document.addEventListener("turbo:before-visit", this.willVisit); - } - stop() { - this.element.removeEventListener("click", this.clickBubbled); - document.removeEventListener("turbo:click", this.linkClicked); - document.removeEventListener("turbo:before-visit", this.willVisit); - } - respondsToEventTarget(target) { - const element = target instanceof Element ? target : target instanceof Node ? target.parentElement : null; - return element && element.closest("turbo-frame, html") == this.element; - } +function entriesExcludingFiles(requestBody) { + const entries = []; + + for (const [name, value] of requestBody) { + if (value instanceof File) continue + else entries.push([name, value]); + } + + return entries } -class LinkClickObserver { - constructor(delegate, eventTarget) { - this.started = false; - this.clickCaptured = () => { - this.eventTarget.removeEventListener("click", this.clickBubbled, false); - this.eventTarget.addEventListener("click", this.clickBubbled, false); - }; - this.clickBubbled = (event) => { - if (event instanceof MouseEvent && this.clickEventIsSignificant(event)) { - const target = (event.composedPath && event.composedPath()[0]) || event.target; - const link = this.findLinkFromClickTarget(target); - if (link && doesNotTargetIFrame(link)) { - const location = this.getLocationForLink(link); - if (this.delegate.willFollowLinkToLocation(link, location, event)) { - event.preventDefault(); - this.delegate.followedLinkToLocation(link, location); - } - } - } - }; - this.delegate = delegate; - this.eventTarget = eventTarget; - } - start() { - if (!this.started) { - this.eventTarget.addEventListener("click", this.clickCaptured, true); - this.started = true; - } - } - stop() { - if (this.started) { - this.eventTarget.removeEventListener("click", this.clickCaptured, true); - this.started = false; - } - } - clickEventIsSignificant(event) { - return !((event.target && event.target.isContentEditable) || - event.defaultPrevented || - event.which > 1 || - event.altKey || - event.ctrlKey || - event.metaKey || - event.shiftKey); +function mergeIntoURLSearchParams(url, requestBody) { + const searchParams = new URLSearchParams(entriesExcludingFiles(requestBody)); + + url.search = searchParams.toString(); + + return url +} + +class AppearanceObserver { + started = false + + constructor(delegate, element) { + this.delegate = delegate; + this.element = element; + this.intersectionObserver = new IntersectionObserver(this.intersect); + } + + start() { + if (!this.started) { + this.started = true; + this.intersectionObserver.observe(this.element); } - findLinkFromClickTarget(target) { - return findClosestRecursively(target, "a[href]:not([target^=_]):not([download])"); + } + + stop() { + if (this.started) { + this.started = false; + this.intersectionObserver.unobserve(this.element); } - getLocationForLink(link) { - return expandURL(link.getAttribute("href") || ""); + } + + intersect = (entries) => { + const lastEntry = entries.slice(-1)[0]; + if (lastEntry?.isIntersecting) { + this.delegate.elementAppearedInViewport(this.element); } + } } -function doesNotTargetIFrame(anchor) { - if (anchor.hasAttribute("target")) { - for (const element of document.getElementsByName(anchor.target)) { - if (element instanceof HTMLIFrameElement) - return false; - } - return true; - } - else { - return true; + +class StreamMessage { + static contentType = "text/vnd.turbo-stream.html" + + static wrap(message) { + if (typeof message == "string") { + return new this(createDocumentFragment(message)) + } else { + return message } + } + + constructor(fragment) { + this.fragment = importStreamElements(fragment); + } } -class FormLinkClickObserver { - constructor(delegate, element) { - this.delegate = delegate; - this.linkInterceptor = new LinkClickObserver(this, element); - } - start() { - this.linkInterceptor.start(); - } - stop() { - this.linkInterceptor.stop(); - } - willFollowLinkToLocation(link, location, originalEvent) { - return (this.delegate.willSubmitFormLinkToLocation(link, location, originalEvent) && - link.hasAttribute("data-turbo-method")); - } - followedLinkToLocation(link, location) { - const form = document.createElement("form"); - const type = "hidden"; - for (const [name, value] of location.searchParams) { - form.append(Object.assign(document.createElement("input"), { type, name, value })); - } - const action = Object.assign(location, { search: "" }); - form.setAttribute("data-turbo", "true"); - form.setAttribute("action", action.href); - form.setAttribute("hidden", ""); - const method = link.getAttribute("data-turbo-method"); - if (method) - form.setAttribute("method", method); - const turboFrame = link.getAttribute("data-turbo-frame"); - if (turboFrame) - form.setAttribute("data-turbo-frame", turboFrame); - const turboAction = getVisitAction(link); - if (turboAction) - form.setAttribute("data-turbo-action", turboAction); - const turboConfirm = link.getAttribute("data-turbo-confirm"); - if (turboConfirm) - form.setAttribute("data-turbo-confirm", turboConfirm); - const turboStream = link.hasAttribute("data-turbo-stream"); - if (turboStream) - form.setAttribute("data-turbo-stream", ""); - this.delegate.submittedFormLinkToLocation(link, location, form); - document.body.appendChild(form); - form.addEventListener("turbo:submit-end", () => form.remove(), { once: true }); - requestAnimationFrame(() => form.requestSubmit()); +function importStreamElements(fragment) { + for (const element of fragment.querySelectorAll("turbo-stream")) { + const streamElement = document.importNode(element, true); + + for (const inertScriptElement of streamElement.templateElement.content.querySelectorAll("script")) { + inertScriptElement.replaceWith(activateScriptElement(inertScriptElement)); } + + element.replaceWith(streamElement); + } + + return fragment } -class Bardo { - static async preservingPermanentElements(delegate, permanentElementMap, callback) { - const bardo = new this(delegate, permanentElementMap); - bardo.enter(); - await callback(); - bardo.leave(); - } - constructor(delegate, permanentElementMap) { - this.delegate = delegate; - this.permanentElementMap = permanentElementMap; - } - enter() { - for (const id in this.permanentElementMap) { - const [currentPermanentElement, newPermanentElement] = this.permanentElementMap[id]; - this.delegate.enteringBardo(currentPermanentElement, newPermanentElement); - this.replaceNewPermanentElementWithPlaceholder(newPermanentElement); - } +const PREFETCH_DELAY = 100; + +class PrefetchCache { + #prefetchTimeout = null + #prefetched = null + + get(url) { + if (this.#prefetched && this.#prefetched.url === url && this.#prefetched.expire > Date.now()) { + return this.#prefetched.request } - leave() { - for (const id in this.permanentElementMap) { - const [currentPermanentElement] = this.permanentElementMap[id]; - this.replaceCurrentPermanentElementWithClone(currentPermanentElement); - this.replacePlaceholderWithPermanentElement(currentPermanentElement); - this.delegate.leavingBardo(currentPermanentElement); - } - } - replaceNewPermanentElementWithPlaceholder(permanentElement) { - const placeholder = createPlaceholderForPermanentElement(permanentElement); - permanentElement.replaceWith(placeholder); - } - replaceCurrentPermanentElementWithClone(permanentElement) { - const clone = permanentElement.cloneNode(true); - permanentElement.replaceWith(clone); - } - replacePlaceholderWithPermanentElement(permanentElement) { - const placeholder = this.getPlaceholderById(permanentElement.id); - placeholder === null || placeholder === void 0 ? void 0 : placeholder.replaceWith(permanentElement); - } - getPlaceholderById(id) { - return this.placeholders.find((element) => element.content == id); - } - get placeholders() { - return [...document.querySelectorAll("meta[name=turbo-permanent-placeholder][content]")]; - } -} -function createPlaceholderForPermanentElement(permanentElement) { - const element = document.createElement("meta"); - element.setAttribute("name", "turbo-permanent-placeholder"); - element.setAttribute("content", permanentElement.id); - return element; -} + } -class Renderer { - constructor(currentSnapshot, newSnapshot, renderElement, isPreview, willRender = true) { - this.activeElement = null; - this.currentSnapshot = currentSnapshot; - this.newSnapshot = newSnapshot; - this.isPreview = isPreview; - this.willRender = willRender; - this.renderElement = renderElement; - this.promise = new Promise((resolve, reject) => (this.resolvingFunctions = { resolve, reject })); - } - get shouldRender() { - return true; - } - get reloadReason() { - return; - } - prepareToRender() { - return; - } - finishRendering() { - if (this.resolvingFunctions) { - this.resolvingFunctions.resolve(); - delete this.resolvingFunctions; - } - } - async preservingPermanentElements(callback) { - await Bardo.preservingPermanentElements(this, this.permanentElementMap, callback); - } - focusFirstAutofocusableElement() { - const element = this.connectedSnapshot.firstAutofocusableElement; - if (elementIsFocusable(element)) { - element.focus(); - } - } - enteringBardo(currentPermanentElement) { - if (this.activeElement) - return; - if (currentPermanentElement.contains(this.currentSnapshot.activeElement)) { - this.activeElement = this.currentSnapshot.activeElement; - } - } - leavingBardo(currentPermanentElement) { - if (currentPermanentElement.contains(this.activeElement) && this.activeElement instanceof HTMLElement) { - this.activeElement.focus(); - this.activeElement = null; - } - } - get connectedSnapshot() { - return this.newSnapshot.isConnected ? this.newSnapshot : this.currentSnapshot; - } - get currentElement() { - return this.currentSnapshot.element; - } - get newElement() { - return this.newSnapshot.element; - } - get permanentElementMap() { - return this.currentSnapshot.getPermanentElementMapForSnapshot(this.newSnapshot); - } -} -function elementIsFocusable(element) { - return element && typeof element.focus == "function"; -} + setLater(url, request, ttl) { + this.clear(); -class FrameRenderer extends Renderer { - static renderElement(currentElement, newElement) { - var _a; - const destinationRange = document.createRange(); - destinationRange.selectNodeContents(currentElement); - destinationRange.deleteContents(); - const frameElement = newElement; - const sourceRange = (_a = frameElement.ownerDocument) === null || _a === void 0 ? void 0 : _a.createRange(); - if (sourceRange) { - sourceRange.selectNodeContents(frameElement); - currentElement.appendChild(sourceRange.extractContents()); - } - } - constructor(delegate, currentSnapshot, newSnapshot, renderElement, isPreview, willRender = true) { - super(currentSnapshot, newSnapshot, renderElement, isPreview, willRender); - this.delegate = delegate; - } - get shouldRender() { - return true; - } - async render() { - await nextAnimationFrame(); - this.preservingPermanentElements(() => { - this.loadFrameElement(); - }); - this.scrollFrameIntoView(); - await nextAnimationFrame(); - this.focusFirstAutofocusableElement(); - await nextAnimationFrame(); - this.activateScriptElements(); - } - loadFrameElement() { - this.delegate.willRenderFrame(this.currentElement, this.newElement); - this.renderElement(this.currentElement, this.newElement); - } - scrollFrameIntoView() { - if (this.currentElement.autoscroll || this.newElement.autoscroll) { - const element = this.currentElement.firstElementChild; - const block = readScrollLogicalPosition(this.currentElement.getAttribute("data-autoscroll-block"), "end"); - const behavior = readScrollBehavior(this.currentElement.getAttribute("data-autoscroll-behavior"), "auto"); - if (element) { - element.scrollIntoView({ block, behavior }); - return true; - } - } - return false; - } - activateScriptElements() { - for (const inertScriptElement of this.newScriptElements) { - const activatedScriptElement = activateScriptElement(inertScriptElement); - inertScriptElement.replaceWith(activatedScriptElement); - } - } - get newScriptElements() { - return this.currentElement.querySelectorAll("script"); - } -} -function readScrollLogicalPosition(value, defaultValue) { - if (value == "end" || value == "start" || value == "center" || value == "nearest") { - return value; - } - else { - return defaultValue; - } -} -function readScrollBehavior(value, defaultValue) { - if (value == "auto" || value == "smooth") { - return value; - } - else { - return defaultValue; - } + this.#prefetchTimeout = setTimeout(() => { + request.perform(); + this.set(url, request, ttl); + this.#prefetchTimeout = null; + }, PREFETCH_DELAY); + } + + set(url, request, ttl) { + this.#prefetched = { url, request, expire: new Date(new Date().getTime() + ttl) }; + } + + clear() { + if (this.#prefetchTimeout) clearTimeout(this.#prefetchTimeout); + this.#prefetched = null; + } } -class ProgressBar { - static get defaultCSS() { - return unindent ` - .turbo-progress-bar { - position: fixed; - display: block; - top: 0; - left: 0; - height: 3px; - background: #0076ff; - z-index: 2147483647; - transition: - width ${ProgressBar.animationDuration}ms ease-out, - opacity ${ProgressBar.animationDuration / 2}ms ${ProgressBar.animationDuration / 2}ms ease-in; - transform: translate3d(0, 0, 0); +const cacheTtl = 10 * 1000; +const prefetchCache = new PrefetchCache(); + +const FormSubmissionState = { + initialized: "initialized", + requesting: "requesting", + waiting: "waiting", + receiving: "receiving", + stopping: "stopping", + stopped: "stopped" +}; + +class FormSubmission { + state = FormSubmissionState.initialized + + static confirmMethod(message, _element, _submitter) { + return Promise.resolve(confirm(message)) + } + + constructor(delegate, formElement, submitter, mustRedirect = false) { + const method = getMethod(formElement, submitter); + const action = getAction(getFormAction(formElement, submitter), method); + const body = buildFormData(formElement, submitter); + const enctype = getEnctype(formElement, submitter); + + this.delegate = delegate; + this.formElement = formElement; + this.submitter = submitter; + this.fetchRequest = new FetchRequest(this, method, action, body, formElement, enctype); + this.mustRedirect = mustRedirect; + } + + get method() { + return this.fetchRequest.method + } + + set method(value) { + this.fetchRequest.method = value; + } + + get action() { + return this.fetchRequest.url.toString() + } + + set action(value) { + this.fetchRequest.url = expandURL(value); + } + + get body() { + return this.fetchRequest.body + } + + get enctype() { + return this.fetchRequest.enctype + } + + get isSafe() { + return this.fetchRequest.isSafe + } + + get location() { + return this.fetchRequest.url + } + + // The submission process + + async start() { + const { initialized, requesting } = FormSubmissionState; + const confirmationMessage = getAttribute("data-turbo-confirm", this.submitter, this.formElement); + + if (typeof confirmationMessage === "string") { + const answer = await FormSubmission.confirmMethod(confirmationMessage, this.formElement, this.submitter); + if (!answer) { + return } - `; - } - constructor() { - this.hiding = false; - this.value = 0; - this.visible = false; - this.trickle = () => { - this.setValue(this.value + Math.random() / 100); - }; - this.stylesheetElement = this.createStylesheetElement(); - this.progressElement = this.createProgressElement(); - this.installStylesheetElement(); - this.setValue(0); - } - show() { - if (!this.visible) { - this.visible = true; - this.installProgressElement(); - this.startTrickling(); - } - } - hide() { - if (this.visible && !this.hiding) { - this.hiding = true; - this.fadeProgressElement(() => { - this.uninstallProgressElement(); - this.stopTrickling(); - this.visible = false; - this.hiding = false; - }); - } - } - setValue(value) { - this.value = value; - this.refresh(); - } - installStylesheetElement() { - document.head.insertBefore(this.stylesheetElement, document.head.firstChild); - } - installProgressElement() { - this.progressElement.style.width = "0"; - this.progressElement.style.opacity = "1"; - document.documentElement.insertBefore(this.progressElement, document.body); - this.refresh(); } - fadeProgressElement(callback) { - this.progressElement.style.opacity = "0"; - setTimeout(callback, ProgressBar.animationDuration * 1.5); + + if (this.state == initialized) { + this.state = requesting; + return this.fetchRequest.perform() } - uninstallProgressElement() { - if (this.progressElement.parentNode) { - document.documentElement.removeChild(this.progressElement); - } + } + + stop() { + const { stopping, stopped } = FormSubmissionState; + if (this.state != stopping && this.state != stopped) { + this.state = stopping; + this.fetchRequest.cancel(); + return true } - startTrickling() { - if (!this.trickleInterval) { - this.trickleInterval = window.setInterval(this.trickle, ProgressBar.animationDuration); - } + } + + // Fetch request delegate + + prepareRequest(request) { + if (!request.isSafe) { + const token = getCookieValue(getMetaContent("csrf-param")) || getMetaContent("csrf-token"); + if (token) { + request.headers["X-CSRF-Token"] = token; + } } - stopTrickling() { - window.clearInterval(this.trickleInterval); - delete this.trickleInterval; + + if (this.requestAcceptsTurboStreamResponse(request)) { + request.acceptResponseType(StreamMessage.contentType); } - refresh() { - requestAnimationFrame(() => { - this.progressElement.style.width = `${10 + this.value * 90}%`; - }); + } + + requestStarted(_request) { + this.state = FormSubmissionState.waiting; + this.submitter?.setAttribute("disabled", ""); + this.setSubmitsWith(); + markAsBusy(this.formElement); + dispatch("turbo:submit-start", { + target: this.formElement, + detail: { formSubmission: this } + }); + this.delegate.formSubmissionStarted(this); + } + + requestPreventedHandlingResponse(request, response) { + prefetchCache.clear(); + + this.result = { success: response.succeeded, fetchResponse: response }; + } + + requestSucceededWithResponse(request, response) { + if (response.clientError || response.serverError) { + this.delegate.formSubmissionFailedWithResponse(this, response); + return } - createStylesheetElement() { - const element = document.createElement("style"); - element.type = "text/css"; - element.textContent = ProgressBar.defaultCSS; - if (this.cspNonce) { - element.nonce = this.cspNonce; - } - return element; + + prefetchCache.clear(); + + if (this.requestMustRedirect(request) && responseSucceededWithoutRedirect(response)) { + const error = new Error("Form responses must redirect to another location"); + this.delegate.formSubmissionErrored(this, error); + } else { + this.state = FormSubmissionState.receiving; + this.result = { success: true, fetchResponse: response }; + this.delegate.formSubmissionSucceededWithResponse(this, response); } - createProgressElement() { - const element = document.createElement("div"); - element.className = "turbo-progress-bar"; - return element; + } + + requestFailedWithResponse(request, response) { + this.result = { success: false, fetchResponse: response }; + this.delegate.formSubmissionFailedWithResponse(this, response); + } + + requestErrored(request, error) { + this.result = { success: false, error }; + this.delegate.formSubmissionErrored(this, error); + } + + requestFinished(_request) { + this.state = FormSubmissionState.stopped; + this.submitter?.removeAttribute("disabled"); + this.resetSubmitterText(); + clearBusyState(this.formElement); + dispatch("turbo:submit-end", { + target: this.formElement, + detail: { formSubmission: this, ...this.result } + }); + this.delegate.formSubmissionFinished(this); + } + + // Private + + setSubmitsWith() { + if (!this.submitter || !this.submitsWith) return + + if (this.submitter.matches("button")) { + this.originalSubmitText = this.submitter.innerHTML; + this.submitter.innerHTML = this.submitsWith; + } else if (this.submitter.matches("input")) { + const input = this.submitter; + this.originalSubmitText = input.value; + input.value = this.submitsWith; } - get cspNonce() { - return getMetaContent("csp-nonce"); + } + + resetSubmitterText() { + if (!this.submitter || !this.originalSubmitText) return + + if (this.submitter.matches("button")) { + this.submitter.innerHTML = this.originalSubmitText; + } else if (this.submitter.matches("input")) { + const input = this.submitter; + input.value = this.originalSubmitText; } + } + + requestMustRedirect(request) { + return !request.isSafe && this.mustRedirect + } + + requestAcceptsTurboStreamResponse(request) { + return !request.isSafe || hasAttribute("data-turbo-stream", this.submitter, this.formElement) + } + + get submitsWith() { + return this.submitter?.getAttribute("data-turbo-submits-with") + } } -ProgressBar.animationDuration = 300; -class HeadSnapshot extends Snapshot { - constructor() { - super(...arguments); - this.detailsByOuterHTML = this.children - .filter((element) => !elementIsNoscript(element)) - .map((element) => elementWithoutNonce(element)) - .reduce((result, element) => { - const { outerHTML } = element; - const details = outerHTML in result - ? result[outerHTML] - : { - type: elementType(element), - tracked: elementIsTracked(element), - elements: [], - }; - return Object.assign(Object.assign({}, result), { [outerHTML]: Object.assign(Object.assign({}, details), { elements: [...details.elements, element] }) }); - }, {}); - } - get trackedElementSignature() { - return Object.keys(this.detailsByOuterHTML) - .filter((outerHTML) => this.detailsByOuterHTML[outerHTML].tracked) - .join(""); - } - getScriptElementsNotInSnapshot(snapshot) { - return this.getElementsMatchingTypeNotInSnapshot("script", snapshot); - } - getStylesheetElementsNotInSnapshot(snapshot) { - return this.getElementsMatchingTypeNotInSnapshot("stylesheet", snapshot); - } - getElementsMatchingTypeNotInSnapshot(matchedType, snapshot) { - return Object.keys(this.detailsByOuterHTML) - .filter((outerHTML) => !(outerHTML in snapshot.detailsByOuterHTML)) - .map((outerHTML) => this.detailsByOuterHTML[outerHTML]) - .filter(({ type }) => type == matchedType) - .map(({ elements: [element] }) => element); - } - get provisionalElements() { - return Object.keys(this.detailsByOuterHTML).reduce((result, outerHTML) => { - const { type, tracked, elements } = this.detailsByOuterHTML[outerHTML]; - if (type == null && !tracked) { - return [...result, ...elements]; - } - else if (elements.length > 1) { - return [...result, ...elements.slice(1)]; - } - else { - return result; - } - }, []); - } - getMetaValue(name) { - const element = this.findMetaElementByName(name); - return element ? element.getAttribute("content") : null; - } - findMetaElementByName(name) { - return Object.keys(this.detailsByOuterHTML).reduce((result, outerHTML) => { - const { elements: [element], } = this.detailsByOuterHTML[outerHTML]; - return elementIsMetaElementWithName(element, name) ? element : result; - }, undefined); - } +function buildFormData(formElement, submitter) { + const formData = new FormData(formElement); + const name = submitter?.getAttribute("name"); + const value = submitter?.getAttribute("value"); + + if (name) { + formData.append(name, value || ""); + } + + return formData } -function elementType(element) { - if (elementIsScript(element)) { - return "script"; - } - else if (elementIsStylesheet(element)) { - return "stylesheet"; + +function getCookieValue(cookieName) { + if (cookieName != null) { + const cookies = document.cookie ? document.cookie.split("; ") : []; + const cookie = cookies.find((cookie) => cookie.startsWith(cookieName)); + if (cookie) { + const value = cookie.split("=").slice(1).join("="); + return value ? decodeURIComponent(value) : undefined } + } } -function elementIsTracked(element) { - return element.getAttribute("data-turbo-track") == "reload"; + +function responseSucceededWithoutRedirect(response) { + return response.statusCode == 200 && !response.redirected } -function elementIsScript(element) { - const tagName = element.localName; - return tagName == "script"; + +function getFormAction(formElement, submitter) { + const formElementAction = typeof formElement.action === "string" ? formElement.action : null; + + if (submitter?.hasAttribute("formaction")) { + return submitter.getAttribute("formaction") || "" + } else { + return formElement.getAttribute("action") || formElementAction || "" + } } -function elementIsNoscript(element) { - const tagName = element.localName; - return tagName == "noscript"; + +function getAction(formAction, fetchMethod) { + const action = expandURL(formAction); + + if (isSafe(fetchMethod)) { + action.search = ""; + } + + return action } -function elementIsStylesheet(element) { - const tagName = element.localName; - return tagName == "style" || (tagName == "link" && element.getAttribute("rel") == "stylesheet"); + +function getMethod(formElement, submitter) { + const method = submitter?.getAttribute("formmethod") || formElement.getAttribute("method") || ""; + return fetchMethodFromString(method.toLowerCase()) || FetchMethod.get } -function elementIsMetaElementWithName(element, name) { - const tagName = element.localName; - return tagName == "meta" && element.getAttribute("name") == name; + +function getEnctype(formElement, submitter) { + return fetchEnctypeFromString(submitter?.getAttribute("formenctype") || formElement.enctype) } -function elementWithoutNonce(element) { - if (element.hasAttribute("nonce")) { - element.setAttribute("nonce", ""); + +class Snapshot { + constructor(element) { + this.element = element; + } + + get activeElement() { + return this.element.ownerDocument.activeElement + } + + get children() { + return [...this.element.children] + } + + hasAnchor(anchor) { + return this.getElementForAnchor(anchor) != null + } + + getElementForAnchor(anchor) { + return anchor ? this.element.querySelector(`[id=''${anchor}''], a[name=''${anchor}'']`) : null + } + + get isConnected() { + return this.element.isConnected + } + + get firstAutofocusableElement() { + return queryAutofocusableElement(this.element) + } + + get permanentElements() { + return queryPermanentElementsAll(this.element) + } + + getPermanentElementById(id) { + return getPermanentElementById(this.element, id) + } + + getPermanentElementMapForSnapshot(snapshot) { + const permanentElementMap = {}; + + for (const currentPermanentElement of this.permanentElements) { + const { id } = currentPermanentElement; + const newPermanentElement = snapshot.getPermanentElementById(id); + if (newPermanentElement) { + permanentElementMap[id] = [currentPermanentElement, newPermanentElement]; + } } - return element; + + return permanentElementMap + } } -class PageSnapshot extends Snapshot { - static fromHTMLString(html = "") { - return this.fromDocument(parseHTMLDocument(html)); - } - static fromElement(element) { - return this.fromDocument(element.ownerDocument); - } - static fromDocument({ head, body }) { - return new this(body, new HeadSnapshot(head)); - } - constructor(element, headSnapshot) { - super(element); - this.headSnapshot = headSnapshot; - } - clone() { - const clonedElement = this.element.cloneNode(true); - const selectElements = this.element.querySelectorAll("select"); - const clonedSelectElements = clonedElement.querySelectorAll("select"); - for (const [index, source] of selectElements.entries()) { - const clone = clonedSelectElements[index]; - for (const option of clone.selectedOptions) - option.selected = false; - for (const option of source.selectedOptions) - clone.options[option.index].selected = true; - } - for (const clonedPasswordInput of clonedElement.querySelectorAll(''input[type="password"]'')) { - clonedPasswordInput.value = ""; - } - return new PageSnapshot(clonedElement, this.headSnapshot); - } - get headElement() { - return this.headSnapshot.element; - } - get rootLocation() { - var _a; - const root = (_a = this.getSetting("root")) !== null && _a !== void 0 ? _a : "/"; - return expandURL(root); - } - get cacheControlValue() { - return this.getSetting("cache-control"); - } - get isPreviewable() { - return this.cacheControlValue != "no-preview"; - } - get isCacheable() { - return this.cacheControlValue != "no-cache"; +function getPermanentElementById(node, id) { + return node.querySelector(`#${id}[data-turbo-permanent]`) +} + +function queryPermanentElementsAll(node) { + return node.querySelectorAll("[id][data-turbo-permanent]") +} + +class FormSubmitObserver { + started = false + + constructor(delegate, eventTarget) { + this.delegate = delegate; + this.eventTarget = eventTarget; + } + + start() { + if (!this.started) { + this.eventTarget.addEventListener("submit", this.submitCaptured, true); + this.started = true; } - get isVisitable() { - return this.getSetting("visit-control") != "reload"; + } + + stop() { + if (this.started) { + this.eventTarget.removeEventListener("submit", this.submitCaptured, true); + this.started = false; } - getSetting(name) { - return this.headSnapshot.getMetaValue(`turbo-${name}`); + } + + submitCaptured = () => { + this.eventTarget.removeEventListener("submit", this.submitBubbled, false); + this.eventTarget.addEventListener("submit", this.submitBubbled, false); + } + + submitBubbled = (event) => { + if (!event.defaultPrevented) { + const form = event.target instanceof HTMLFormElement ? event.target : undefined; + const submitter = event.submitter || undefined; + + if ( + form && + submissionDoesNotDismissDialog(form, submitter) && + submissionDoesNotTargetIFrame(form, submitter) && + this.delegate.willSubmitForm(form, submitter) + ) { + event.preventDefault(); + event.stopImmediatePropagation(); + this.delegate.formSubmitted(form, submitter); + } } + } } -var TimingMetric; -(function (TimingMetric) { - TimingMetric["visitStart"] = "visitStart"; - TimingMetric["requestStart"] = "requestStart"; - TimingMetric["requestEnd"] = "requestEnd"; - TimingMetric["visitEnd"] = "visitEnd"; -})(TimingMetric || (TimingMetric = {})); -var VisitState; -(function (VisitState) { - VisitState["initialized"] = "initialized"; - VisitState["started"] = "started"; - VisitState["canceled"] = "canceled"; - VisitState["failed"] = "failed"; - VisitState["completed"] = "completed"; -})(VisitState || (VisitState = {})); -const defaultOptions = { - action: "advance", - historyChanged: false, - visitCachedSnapshot: () => { }, - willRender: true, - updateHistory: true, - shouldCacheSnapshot: true, - acceptsStreamResponse: false, -}; -var SystemStatusCode; -(function (SystemStatusCode) { - SystemStatusCode[SystemStatusCode["networkFailure"] = 0] = "networkFailure"; - SystemStatusCode[SystemStatusCode["timeoutFailure"] = -1] = "timeoutFailure"; - SystemStatusCode[SystemStatusCode["contentTypeMismatch"] = -2] = "contentTypeMismatch"; -})(SystemStatusCode || (SystemStatusCode = {})); -class Visit { - constructor(delegate, location, restorationIdentifier, options = {}) { - this.identifier = uuid(); - this.timingMetrics = {}; - this.followedRedirect = false; - this.historyChanged = false; - this.scrolled = false; - this.shouldCacheSnapshot = true; - this.acceptsStreamResponse = false; - this.snapshotCached = false; - this.state = VisitState.initialized; - this.delegate = delegate; - this.location = location; - this.restorationIdentifier = restorationIdentifier || uuid(); - const { action, historyChanged, referrer, snapshot, snapshotHTML, response, visitCachedSnapshot, willRender, updateHistory, shouldCacheSnapshot, acceptsStreamResponse, } = Object.assign(Object.assign({}, defaultOptions), options); - this.action = action; - this.historyChanged = historyChanged; - this.referrer = referrer; - this.snapshot = snapshot; - this.snapshotHTML = snapshotHTML; - this.response = response; - this.isSamePage = this.delegate.locationWithActionIsSamePage(this.location, this.action); - this.visitCachedSnapshot = visitCachedSnapshot; - this.willRender = willRender; - this.updateHistory = updateHistory; - this.scrolled = !willRender; - this.shouldCacheSnapshot = shouldCacheSnapshot; - this.acceptsStreamResponse = acceptsStreamResponse; - } - get adapter() { - return this.delegate.adapter; - } - get view() { - return this.delegate.view; - } - get history() { - return this.delegate.history; - } - get restorationData() { - return this.history.getRestorationDataForIdentifier(this.restorationIdentifier); - } - get silent() { - return this.isSamePage; - } - start() { - if (this.state == VisitState.initialized) { - this.recordTimingMetric(TimingMetric.visitStart); - this.state = VisitState.started; - this.adapter.visitStarted(this); - this.delegate.visitStarted(this); - } +function submissionDoesNotDismissDialog(form, submitter) { + const method = submitter?.getAttribute("formmethod") || form.getAttribute("method"); + + return method != "dialog" +} + +function submissionDoesNotTargetIFrame(form, submitter) { + if (submitter?.hasAttribute("formtarget") || form.hasAttribute("target")) { + const target = submitter?.getAttribute("formtarget") || form.target; + + for (const element of document.getElementsByName(target)) { + if (element instanceof HTMLIFrameElement) return false } - cancel() { - if (this.state == VisitState.started) { - if (this.request) { - this.request.cancel(); - } - this.cancelRender(); - this.state = VisitState.canceled; - } + + return true + } else { + return true + } +} + +class View { + #resolveRenderPromise = (_value) => {} + #resolveInterceptionPromise = (_value) => {} + + constructor(delegate, element) { + this.delegate = delegate; + this.element = element; + } + + // Scrolling + + scrollToAnchor(anchor) { + const element = this.snapshot.getElementForAnchor(anchor); + if (element) { + this.scrollToElement(element); + this.focusElement(element); + } else { + this.scrollToPosition({ x: 0, y: 0 }); } - complete() { - if (this.state == VisitState.started) { - this.recordTimingMetric(TimingMetric.visitEnd); - this.state = VisitState.completed; - this.followRedirect(); - if (!this.followedRedirect) { - this.adapter.visitCompleted(this); - this.delegate.visitCompleted(this); - } + } + + scrollToAnchorFromLocation(location) { + this.scrollToAnchor(getAnchor(location)); + } + + scrollToElement(element) { + element.scrollIntoView(); + } + + focusElement(element) { + if (element instanceof HTMLElement) { + if (element.hasAttribute("tabindex")) { + element.focus(); + } else { + element.setAttribute("tabindex", "-1"); + element.focus(); + element.removeAttribute("tabindex"); + } + } + } + + scrollToPosition({ x, y }) { + this.scrollRoot.scrollTo(x, y); + } + + scrollToTop() { + this.scrollToPosition({ x: 0, y: 0 }); + } + + get scrollRoot() { + return window + } + + // Rendering + + async render(renderer) { + const { isPreview, shouldRender, willRender, newSnapshot: snapshot } = renderer; + + // A workaround to ignore tracked element mismatch reloads when performing + // a promoted Visit from a frame navigation + const shouldInvalidate = willRender; + + if (shouldRender) { + try { + this.renderPromise = new Promise((resolve) => (this.#resolveRenderPromise = resolve)); + this.renderer = renderer; + await this.prepareToRenderSnapshot(renderer); + + const renderInterception = new Promise((resolve) => (this.#resolveInterceptionPromise = resolve)); + const options = { resume: this.#resolveInterceptionPromise, render: this.renderer.renderElement, renderMethod: this.renderer.renderMethod }; + const immediateRender = this.delegate.allowsImmediateRender(snapshot, options); + if (!immediateRender) await renderInterception; + + await this.renderSnapshot(renderer); + this.delegate.viewRenderedSnapshot(snapshot, isPreview, this.renderer.renderMethod); + this.delegate.preloadOnLoadLinksForView(this.element); + this.finishRenderingSnapshot(renderer); + } finally { + delete this.renderer; + this.#resolveRenderPromise(undefined); + delete this.renderPromise; + } + } else if (shouldInvalidate) { + this.invalidate(renderer.reloadReason); + } + } + + invalidate(reason) { + this.delegate.viewInvalidated(reason); + } + + async prepareToRenderSnapshot(renderer) { + this.markAsPreview(renderer.isPreview); + await renderer.prepareToRender(); + } + + markAsPreview(isPreview) { + if (isPreview) { + this.element.setAttribute("data-turbo-preview", ""); + } else { + this.element.removeAttribute("data-turbo-preview"); + } + } + + markVisitDirection(direction) { + this.element.setAttribute("data-turbo-visit-direction", direction); + } + + unmarkVisitDirection() { + this.element.removeAttribute("data-turbo-visit-direction"); + } + + async renderSnapshot(renderer) { + await renderer.render(); + } + + finishRenderingSnapshot(renderer) { + renderer.finishRendering(); + } +} + +class FrameView extends View { + missing() { + this.element.innerHTML = `Content missing`; + } + + get snapshot() { + return new Snapshot(this.element) + } +} + +class LinkInterceptor { + constructor(delegate, element) { + this.delegate = delegate; + this.element = element; + } + + start() { + this.element.addEventListener("click", this.clickBubbled); + document.addEventListener("turbo:click", this.linkClicked); + document.addEventListener("turbo:before-visit", this.willVisit); + } + + stop() { + this.element.removeEventListener("click", this.clickBubbled); + document.removeEventListener("turbo:click", this.linkClicked); + document.removeEventListener("turbo:before-visit", this.willVisit); + } + + clickBubbled = (event) => { + if (this.respondsToEventTarget(event.target)) { + this.clickEvent = event; + } else { + delete this.clickEvent; + } + } + + linkClicked = (event) => { + if (this.clickEvent && this.respondsToEventTarget(event.target) && event.target instanceof Element) { + if (this.delegate.shouldInterceptLinkClick(event.target, event.detail.url, event.detail.originalEvent)) { + this.clickEvent.preventDefault(); + event.preventDefault(); + this.delegate.linkClickIntercepted(event.target, event.detail.url, event.detail.originalEvent); + } + } + delete this.clickEvent; + } + + willVisit = (_event) => { + delete this.clickEvent; + } + + respondsToEventTarget(target) { + const element = target instanceof Element ? target : target instanceof Node ? target.parentElement : null; + return element && element.closest("turbo-frame, html") == this.element + } +} + +class LinkClickObserver { + started = false + + constructor(delegate, eventTarget) { + this.delegate = delegate; + this.eventTarget = eventTarget; + } + + start() { + if (!this.started) { + this.eventTarget.addEventListener("click", this.clickCaptured, true); + this.started = true; + } + } + + stop() { + if (this.started) { + this.eventTarget.removeEventListener("click", this.clickCaptured, true); + this.started = false; + } + } + + clickCaptured = () => { + this.eventTarget.removeEventListener("click", this.clickBubbled, false); + this.eventTarget.addEventListener("click", this.clickBubbled, false); + } + + clickBubbled = (event) => { + if (event instanceof MouseEvent && this.clickEventIsSignificant(event)) { + const target = (event.composedPath && event.composedPath()[0]) || event.target; + const link = findLinkFromClickTarget(target); + if (link && doesNotTargetIFrame(link)) { + const location = getLocationForLink(link); + if (this.delegate.willFollowLinkToLocation(link, location, event)) { + event.preventDefault(); + this.delegate.followedLinkToLocation(link, location); + } + } + } + } + + clickEventIsSignificant(event) { + return !( + (event.target && event.target.isContentEditable) || + event.defaultPrevented || + event.which > 1 || + event.altKey || + event.ctrlKey || + event.metaKey || + event.shiftKey + ) + } +} + +class FormLinkClickObserver { + constructor(delegate, element) { + this.delegate = delegate; + this.linkInterceptor = new LinkClickObserver(this, element); + } + + start() { + this.linkInterceptor.start(); + } + + stop() { + this.linkInterceptor.stop(); + } + + // Link hover observer delegate + + canPrefetchRequestToLocation(link, location) { + return false + } + + prefetchAndCacheRequestToLocation(link, location) { + return + } + + // Link click observer delegate + + willFollowLinkToLocation(link, location, originalEvent) { + return ( + this.delegate.willSubmitFormLinkToLocation(link, location, originalEvent) && + (link.hasAttribute("data-turbo-method") || link.hasAttribute("data-turbo-stream")) + ) + } + + followedLinkToLocation(link, location) { + const form = document.createElement("form"); + + const type = "hidden"; + for (const [name, value] of location.searchParams) { + form.append(Object.assign(document.createElement("input"), { type, name, value })); + } + + const action = Object.assign(location, { search: "" }); + form.setAttribute("data-turbo", "true"); + form.setAttribute("action", action.href); + form.setAttribute("hidden", ""); + + const method = link.getAttribute("data-turbo-method"); + if (method) form.setAttribute("method", method); + + const turboFrame = link.getAttribute("data-turbo-frame"); + if (turboFrame) form.setAttribute("data-turbo-frame", turboFrame); + + const turboAction = getVisitAction(link); + if (turboAction) form.setAttribute("data-turbo-action", turboAction); + + const turboConfirm = link.getAttribute("data-turbo-confirm"); + if (turboConfirm) form.setAttribute("data-turbo-confirm", turboConfirm); + + const turboStream = link.hasAttribute("data-turbo-stream"); + if (turboStream) form.setAttribute("data-turbo-stream", ""); + + this.delegate.submittedFormLinkToLocation(link, location, form); + + document.body.appendChild(form); + form.addEventListener("turbo:submit-end", () => form.remove(), { once: true }); + requestAnimationFrame(() => form.requestSubmit()); + } +} + +class Bardo { + static async preservingPermanentElements(delegate, permanentElementMap, callback) { + const bardo = new this(delegate, permanentElementMap); + bardo.enter(); + await callback(); + bardo.leave(); + } + + constructor(delegate, permanentElementMap) { + this.delegate = delegate; + this.permanentElementMap = permanentElementMap; + } + + enter() { + for (const id in this.permanentElementMap) { + const [currentPermanentElement, newPermanentElement] = this.permanentElementMap[id]; + this.delegate.enteringBardo(currentPermanentElement, newPermanentElement); + this.replaceNewPermanentElementWithPlaceholder(newPermanentElement); + } + } + + leave() { + for (const id in this.permanentElementMap) { + const [currentPermanentElement] = this.permanentElementMap[id]; + this.replaceCurrentPermanentElementWithClone(currentPermanentElement); + this.replacePlaceholderWithPermanentElement(currentPermanentElement); + this.delegate.leavingBardo(currentPermanentElement); + } + } + + replaceNewPermanentElementWithPlaceholder(permanentElement) { + const placeholder = createPlaceholderForPermanentElement(permanentElement); + permanentElement.replaceWith(placeholder); + } + + replaceCurrentPermanentElementWithClone(permanentElement) { + const clone = permanentElement.cloneNode(true); + permanentElement.replaceWith(clone); + } + + replacePlaceholderWithPermanentElement(permanentElement) { + const placeholder = this.getPlaceholderById(permanentElement.id); + placeholder?.replaceWith(permanentElement); + } + + getPlaceholderById(id) { + return this.placeholders.find((element) => element.content == id) + } + + get placeholders() { + return [...document.querySelectorAll("meta[name=turbo-permanent-placeholder][content]")] + } +} + +function createPlaceholderForPermanentElement(permanentElement) { + const element = document.createElement("meta"); + element.setAttribute("name", "turbo-permanent-placeholder"); + element.setAttribute("content", permanentElement.id); + return element +} + +class Renderer { + #activeElement = null + + constructor(currentSnapshot, newSnapshot, renderElement, isPreview, willRender = true) { + this.currentSnapshot = currentSnapshot; + this.newSnapshot = newSnapshot; + this.isPreview = isPreview; + this.willRender = willRender; + this.renderElement = renderElement; + this.promise = new Promise((resolve, reject) => (this.resolvingFunctions = { resolve, reject })); + } + + get shouldRender() { + return true + } + + get reloadReason() { + return + } + + prepareToRender() { + return + } + + render() { + // Abstract method + } + + finishRendering() { + if (this.resolvingFunctions) { + this.resolvingFunctions.resolve(); + delete this.resolvingFunctions; + } + } + + async preservingPermanentElements(callback) { + await Bardo.preservingPermanentElements(this, this.permanentElementMap, callback); + } + + focusFirstAutofocusableElement() { + const element = this.connectedSnapshot.firstAutofocusableElement; + if (element) { + element.focus(); + } + } + + // Bardo delegate + + enteringBardo(currentPermanentElement) { + if (this.#activeElement) return + + if (currentPermanentElement.contains(this.currentSnapshot.activeElement)) { + this.#activeElement = this.currentSnapshot.activeElement; + } + } + + leavingBardo(currentPermanentElement) { + if (currentPermanentElement.contains(this.#activeElement) && this.#activeElement instanceof HTMLElement) { + this.#activeElement.focus(); + + this.#activeElement = null; + } + } + + get connectedSnapshot() { + return this.newSnapshot.isConnected ? this.newSnapshot : this.currentSnapshot + } + + get currentElement() { + return this.currentSnapshot.element + } + + get newElement() { + return this.newSnapshot.element + } + + get permanentElementMap() { + return this.currentSnapshot.getPermanentElementMapForSnapshot(this.newSnapshot) + } + + get renderMethod() { + return "replace" + } +} + +class FrameRenderer extends Renderer { + static renderElement(currentElement, newElement) { + const destinationRange = document.createRange(); + destinationRange.selectNodeContents(currentElement); + destinationRange.deleteContents(); + + const frameElement = newElement; + const sourceRange = frameElement.ownerDocument?.createRange(); + if (sourceRange) { + sourceRange.selectNodeContents(frameElement); + currentElement.appendChild(sourceRange.extractContents()); + } + } + + constructor(delegate, currentSnapshot, newSnapshot, renderElement, isPreview, willRender = true) { + super(currentSnapshot, newSnapshot, renderElement, isPreview, willRender); + this.delegate = delegate; + } + + get shouldRender() { + return true + } + + async render() { + await nextRepaint(); + this.preservingPermanentElements(() => { + this.loadFrameElement(); + }); + this.scrollFrameIntoView(); + await nextRepaint(); + this.focusFirstAutofocusableElement(); + await nextRepaint(); + this.activateScriptElements(); + } + + loadFrameElement() { + this.delegate.willRenderFrame(this.currentElement, this.newElement); + this.renderElement(this.currentElement, this.newElement); + } + + scrollFrameIntoView() { + if (this.currentElement.autoscroll || this.newElement.autoscroll) { + const element = this.currentElement.firstElementChild; + const block = readScrollLogicalPosition(this.currentElement.getAttribute("data-autoscroll-block"), "end"); + const behavior = readScrollBehavior(this.currentElement.getAttribute("data-autoscroll-behavior"), "auto"); + + if (element) { + element.scrollIntoView({ block, behavior }); + return true + } + } + return false + } + + activateScriptElements() { + for (const inertScriptElement of this.newScriptElements) { + const activatedScriptElement = activateScriptElement(inertScriptElement); + inertScriptElement.replaceWith(activatedScriptElement); + } + } + + get newScriptElements() { + return this.currentElement.querySelectorAll("script") + } +} + +function readScrollLogicalPosition(value, defaultValue) { + if (value == "end" || value == "start" || value == "center" || value == "nearest") { + return value + } else { + return defaultValue + } +} + +function readScrollBehavior(value, defaultValue) { + if (value == "auto" || value == "smooth") { + return value + } else { + return defaultValue + } +} + +class ProgressBar { + static animationDuration = 300 /*ms*/ + + static get defaultCSS() { + return unindent` + .turbo-progress-bar { + position: fixed; + display: block; + top: 0; + left: 0; + height: 3px; + background: #0076ff; + z-index: 2147483647; + transition: + width ${ProgressBar.animationDuration}ms ease-out, + opacity ${ProgressBar.animationDuration / 2}ms ${ProgressBar.animationDuration / 2}ms ease-in; + transform: translate3d(0, 0, 0); + } + ` + } + + hiding = false + value = 0 + visible = false + + constructor() { + this.stylesheetElement = this.createStylesheetElement(); + this.progressElement = this.createProgressElement(); + this.installStylesheetElement(); + this.setValue(0); + } + + show() { + if (!this.visible) { + this.visible = true; + this.installProgressElement(); + this.startTrickling(); + } + } + + hide() { + if (this.visible && !this.hiding) { + this.hiding = true; + this.fadeProgressElement(() => { + this.uninstallProgressElement(); + this.stopTrickling(); + this.visible = false; + this.hiding = false; + }); + } + } + + setValue(value) { + this.value = value; + this.refresh(); + } + + // Private + + installStylesheetElement() { + document.head.insertBefore(this.stylesheetElement, document.head.firstChild); + } + + installProgressElement() { + this.progressElement.style.width = "0"; + this.progressElement.style.opacity = "1"; + document.documentElement.insertBefore(this.progressElement, document.body); + this.refresh(); + } + + fadeProgressElement(callback) { + this.progressElement.style.opacity = "0"; + setTimeout(callback, ProgressBar.animationDuration * 1.5); + } + + uninstallProgressElement() { + if (this.progressElement.parentNode) { + document.documentElement.removeChild(this.progressElement); + } + } + + startTrickling() { + if (!this.trickleInterval) { + this.trickleInterval = window.setInterval(this.trickle, ProgressBar.animationDuration); + } + } + + stopTrickling() { + window.clearInterval(this.trickleInterval); + delete this.trickleInterval; + } + + trickle = () => { + this.setValue(this.value + Math.random() / 100); + } + + refresh() { + requestAnimationFrame(() => { + this.progressElement.style.width = `${10 + this.value * 90}%`; + }); + } + + createStylesheetElement() { + const element = document.createElement("style"); + element.type = "text/css"; + element.textContent = ProgressBar.defaultCSS; + if (this.cspNonce) { + element.nonce = this.cspNonce; + } + return element + } + + createProgressElement() { + const element = document.createElement("div"); + element.className = "turbo-progress-bar"; + return element + } + + get cspNonce() { + return getMetaContent("csp-nonce") + } +} + +class HeadSnapshot extends Snapshot { + detailsByOuterHTML = this.children + .filter((element) => !elementIsNoscript(element)) + .map((element) => elementWithoutNonce(element)) + .reduce((result, element) => { + const { outerHTML } = element; + const details = + outerHTML in result + ? result[outerHTML] + : { + type: elementType(element), + tracked: elementIsTracked(element), + elements: [] + }; + return { + ...result, + [outerHTML]: { + ...details, + elements: [...details.elements, element] + } + } + }, {}) + + get trackedElementSignature() { + return Object.keys(this.detailsByOuterHTML) + .filter((outerHTML) => this.detailsByOuterHTML[outerHTML].tracked) + .join("") + } + + getScriptElementsNotInSnapshot(snapshot) { + return this.getElementsMatchingTypeNotInSnapshot("script", snapshot) + } + + getStylesheetElementsNotInSnapshot(snapshot) { + return this.getElementsMatchingTypeNotInSnapshot("stylesheet", snapshot) + } + + getElementsMatchingTypeNotInSnapshot(matchedType, snapshot) { + return Object.keys(this.detailsByOuterHTML) + .filter((outerHTML) => !(outerHTML in snapshot.detailsByOuterHTML)) + .map((outerHTML) => this.detailsByOuterHTML[outerHTML]) + .filter(({ type }) => type == matchedType) + .map(({ elements: [element] }) => element) + } + + get provisionalElements() { + return Object.keys(this.detailsByOuterHTML).reduce((result, outerHTML) => { + const { type, tracked, elements } = this.detailsByOuterHTML[outerHTML]; + if (type == null && !tracked) { + return [...result, ...elements] + } else if (elements.length > 1) { + return [...result, ...elements.slice(1)] + } else { + return result + } + }, []) + } + + getMetaValue(name) { + const element = this.findMetaElementByName(name); + return element ? element.getAttribute("content") : null + } + + findMetaElementByName(name) { + return Object.keys(this.detailsByOuterHTML).reduce((result, outerHTML) => { + const { + elements: [element] + } = this.detailsByOuterHTML[outerHTML]; + return elementIsMetaElementWithName(element, name) ? element : result + }, undefined | undefined) + } +} + +function elementType(element) { + if (elementIsScript(element)) { + return "script" + } else if (elementIsStylesheet(element)) { + return "stylesheet" + } +} + +function elementIsTracked(element) { + return element.getAttribute("data-turbo-track") == "reload" +} + +function elementIsScript(element) { + const tagName = element.localName; + return tagName == "script" +} + +function elementIsNoscript(element) { + const tagName = element.localName; + return tagName == "noscript" +} + +function elementIsStylesheet(element) { + const tagName = element.localName; + return tagName == "style" || (tagName == "link" && element.getAttribute("rel") == "stylesheet") +} + +function elementIsMetaElementWithName(element, name) { + const tagName = element.localName; + return tagName == "meta" && element.getAttribute("name") == name +} + +function elementWithoutNonce(element) { + if (element.hasAttribute("nonce")) { + element.setAttribute("nonce", ""); + } + + return element +} + +class PageSnapshot extends Snapshot { + static fromHTMLString(html = "") { + return this.fromDocument(parseHTMLDocument(html)) + } + + static fromElement(element) { + return this.fromDocument(element.ownerDocument) + } + + static fromDocument({ documentElement, body, head }) { + return new this(documentElement, body, new HeadSnapshot(head)) + } + + constructor(documentElement, body, headSnapshot) { + super(body); + this.documentElement = documentElement; + this.headSnapshot = headSnapshot; + } + + clone() { + const clonedElement = this.element.cloneNode(true); + + const selectElements = this.element.querySelectorAll("select"); + const clonedSelectElements = clonedElement.querySelectorAll("select"); + + for (const [index, source] of selectElements.entries()) { + const clone = clonedSelectElements[index]; + for (const option of clone.selectedOptions) option.selected = false; + for (const option of source.selectedOptions) clone.options[option.index].selected = true; + } + + for (const clonedPasswordInput of clonedElement.querySelectorAll(''input[type="password"]'')) { + clonedPasswordInput.value = ""; + } + + return new PageSnapshot(this.documentElement, clonedElement, this.headSnapshot) + } + + get lang() { + return this.documentElement.getAttribute("lang") + } + + get headElement() { + return this.headSnapshot.element + } + + get rootLocation() { + const root = this.getSetting("root") ?? "/"; + return expandURL(root) + } + + get cacheControlValue() { + return this.getSetting("cache-control") + } + + get isPreviewable() { + return this.cacheControlValue != "no-preview" + } + + get isCacheable() { + return this.cacheControlValue != "no-cache" + } + + get isVisitable() { + return this.getSetting("visit-control") != "reload" + } + + get prefersViewTransitions() { + return this.headSnapshot.getMetaValue("view-transition") === "same-origin" + } + + get shouldMorphPage() { + return this.getSetting("refresh-method") === "morph" + } + + get shouldPreserveScrollPosition() { + return this.getSetting("refresh-scroll") === "preserve" + } + + // Private + + getSetting(name) { + return this.headSnapshot.getMetaValue(`turbo-${name}`) + } +} + +class ViewTransitioner { + #viewTransitionStarted = false + #lastOperation = Promise.resolve() + + renderChange(useViewTransition, render) { + if (useViewTransition && this.viewTransitionsAvailable && !this.#viewTransitionStarted) { + this.#viewTransitionStarted = true; + this.#lastOperation = this.#lastOperation.then(async () => { + await document.startViewTransition(render).finished; + }); + } else { + this.#lastOperation = this.#lastOperation.then(render); + } + + return this.#lastOperation + } + + get viewTransitionsAvailable() { + return document.startViewTransition + } +} + +const defaultOptions = { + action: "advance", + historyChanged: false, + visitCachedSnapshot: () => {}, + willRender: true, + updateHistory: true, + shouldCacheSnapshot: true, + acceptsStreamResponse: false +}; + +const TimingMetric = { + visitStart: "visitStart", + requestStart: "requestStart", + requestEnd: "requestEnd", + visitEnd: "visitEnd" +}; + +const VisitState = { + initialized: "initialized", + started: "started", + canceled: "canceled", + failed: "failed", + completed: "completed" +}; + +const SystemStatusCode = { + networkFailure: 0, + timeoutFailure: -1, + contentTypeMismatch: -2 +}; + +const Direction = { + advance: "forward", + restore: "back", + replace: "none" +}; + +class Visit { + identifier = uuid() // Required by turbo-ios + timingMetrics = {} + + followedRedirect = false + historyChanged = false + scrolled = false + shouldCacheSnapshot = true + acceptsStreamResponse = false + snapshotCached = false + state = VisitState.initialized + viewTransitioner = new ViewTransitioner() + + constructor(delegate, location, restorationIdentifier, options = {}) { + this.delegate = delegate; + this.location = location; + this.restorationIdentifier = restorationIdentifier || uuid(); + + const { + action, + historyChanged, + referrer, + snapshot, + snapshotHTML, + response, + visitCachedSnapshot, + willRender, + updateHistory, + shouldCacheSnapshot, + acceptsStreamResponse, + direction + } = { + ...defaultOptions, + ...options + }; + this.action = action; + this.historyChanged = historyChanged; + this.referrer = referrer; + this.snapshot = snapshot; + this.snapshotHTML = snapshotHTML; + this.response = response; + this.isSamePage = this.delegate.locationWithActionIsSamePage(this.location, this.action); + this.isPageRefresh = this.view.isPageRefresh(this); + this.visitCachedSnapshot = visitCachedSnapshot; + this.willRender = willRender; + this.updateHistory = updateHistory; + this.scrolled = !willRender; + this.shouldCacheSnapshot = shouldCacheSnapshot; + this.acceptsStreamResponse = acceptsStreamResponse; + this.direction = direction || Direction[action]; + } + + get adapter() { + return this.delegate.adapter + } + + get view() { + return this.delegate.view + } + + get history() { + return this.delegate.history + } + + get restorationData() { + return this.history.getRestorationDataForIdentifier(this.restorationIdentifier) + } + + get silent() { + return this.isSamePage + } + + start() { + if (this.state == VisitState.initialized) { + this.recordTimingMetric(TimingMetric.visitStart); + this.state = VisitState.started; + this.adapter.visitStarted(this); + this.delegate.visitStarted(this); + } + } + + cancel() { + if (this.state == VisitState.started) { + if (this.request) { + this.request.cancel(); + } + this.cancelRender(); + this.state = VisitState.canceled; + } + } + + complete() { + if (this.state == VisitState.started) { + this.recordTimingMetric(TimingMetric.visitEnd); + this.adapter.visitCompleted(this); + this.state = VisitState.completed; + this.followRedirect(); + + if (!this.followedRedirect) { + this.delegate.visitCompleted(this); + } + } + } + + fail() { + if (this.state == VisitState.started) { + this.state = VisitState.failed; + this.adapter.visitFailed(this); + this.delegate.visitCompleted(this); + } + } + + changeHistory() { + if (!this.historyChanged && this.updateHistory) { + const actionForHistory = this.location.href === this.referrer?.href ? "replace" : this.action; + const method = getHistoryMethodForAction(actionForHistory); + this.history.update(method, this.location, this.restorationIdentifier); + this.historyChanged = true; + } + } + + issueRequest() { + if (this.hasPreloadedResponse()) { + this.simulateRequest(); + } else if (this.shouldIssueRequest() && !this.request) { + this.request = new FetchRequest(this, FetchMethod.get, this.location); + this.request.perform(); + } + } + + simulateRequest() { + if (this.response) { + this.startRequest(); + this.recordResponse(); + this.finishRequest(); + } + } + + startRequest() { + this.recordTimingMetric(TimingMetric.requestStart); + this.adapter.visitRequestStarted(this); + } + + recordResponse(response = this.response) { + this.response = response; + if (response) { + const { statusCode } = response; + if (isSuccessful(statusCode)) { + this.adapter.visitRequestCompleted(this); + } else { + this.adapter.visitRequestFailedWithStatusCode(this, statusCode); + } + } + } + + finishRequest() { + this.recordTimingMetric(TimingMetric.requestEnd); + this.adapter.visitRequestFinished(this); + } + + loadResponse() { + if (this.response) { + const { statusCode, responseHTML } = this.response; + this.render(async () => { + if (this.shouldCacheSnapshot) this.cacheSnapshot(); + if (this.view.renderPromise) await this.view.renderPromise; + + if (isSuccessful(statusCode) && responseHTML != null) { + const snapshot = PageSnapshot.fromHTMLString(responseHTML); + await this.renderPageSnapshot(snapshot, false); + + this.adapter.visitRendered(this); + this.complete(); + } else { + await this.view.renderError(PageSnapshot.fromHTMLString(responseHTML), this); + this.adapter.visitRendered(this); + this.fail(); } + }); + } + } + + getCachedSnapshot() { + const snapshot = this.view.getCachedSnapshotForLocation(this.location) || this.getPreloadedSnapshot(); + + if (snapshot && (!getAnchor(this.location) || snapshot.hasAnchor(getAnchor(this.location)))) { + if (this.action == "restore" || snapshot.isPreviewable) { + return snapshot + } } - fail() { - if (this.state == VisitState.started) { - this.state = VisitState.failed; - this.adapter.visitFailed(this); + } + + getPreloadedSnapshot() { + if (this.snapshotHTML) { + return PageSnapshot.fromHTMLString(this.snapshotHTML) + } + } + + hasCachedSnapshot() { + return this.getCachedSnapshot() != null + } + + loadCachedSnapshot() { + const snapshot = this.getCachedSnapshot(); + if (snapshot) { + const isPreview = this.shouldIssueRequest(); + this.render(async () => { + this.cacheSnapshot(); + if (this.isSamePage || this.isPageRefresh) { + this.adapter.visitRendered(this); + } else { + if (this.view.renderPromise) await this.view.renderPromise; + + await this.renderPageSnapshot(snapshot, isPreview); + + this.adapter.visitRendered(this); + if (!isPreview) { + this.complete(); + } } + }); + } + } + + followRedirect() { + if (this.redirectedToLocation && !this.followedRedirect && this.response?.redirected) { + this.adapter.visitProposedToLocation(this.redirectedToLocation, { + action: "replace", + response: this.response, + shouldCacheSnapshot: false, + willRender: false + }); + this.followedRedirect = true; + } + } + + goToSamePageAnchor() { + if (this.isSamePage) { + this.render(async () => { + this.cacheSnapshot(); + this.performScroll(); + this.changeHistory(); + this.adapter.visitRendered(this); + }); + } + } + + // Fetch request delegate + + prepareRequest(request) { + if (this.acceptsStreamResponse) { + request.acceptResponseType(StreamMessage.contentType); + } + } + + requestStarted() { + this.startRequest(); + } + + requestPreventedHandlingResponse(_request, _response) {} + + async requestSucceededWithResponse(request, response) { + const responseHTML = await response.responseHTML; + const { redirected, statusCode } = response; + if (responseHTML == undefined) { + this.recordResponse({ + statusCode: SystemStatusCode.contentTypeMismatch, + redirected + }); + } else { + this.redirectedToLocation = response.redirected ? response.location : undefined; + this.recordResponse({ statusCode: statusCode, responseHTML, redirected }); + } + } + + async requestFailedWithResponse(request, response) { + const responseHTML = await response.responseHTML; + const { redirected, statusCode } = response; + if (responseHTML == undefined) { + this.recordResponse({ + statusCode: SystemStatusCode.contentTypeMismatch, + redirected + }); + } else { + this.recordResponse({ statusCode: statusCode, responseHTML, redirected }); + } + } + + requestErrored(_request, _error) { + this.recordResponse({ + statusCode: SystemStatusCode.networkFailure, + redirected: false + }); + } + + requestFinished() { + this.finishRequest(); + } + + // Scrolling + + performScroll() { + if (!this.scrolled && !this.view.forceReloaded && !this.view.shouldPreserveScrollPosition(this)) { + if (this.action == "restore") { + this.scrollToRestoredPosition() || this.scrollToAnchor() || this.view.scrollToTop(); + } else { + this.scrollToAnchor() || this.view.scrollToTop(); + } + if (this.isSamePage) { + this.delegate.visitScrolledToSamePageLocation(this.view.lastRenderedLocation, this.location); + } + + this.scrolled = true; + } + } + + scrollToRestoredPosition() { + const { scrollPosition } = this.restorationData; + if (scrollPosition) { + this.view.scrollToPosition(scrollPosition); + return true + } + } + + scrollToAnchor() { + const anchor = getAnchor(this.location); + if (anchor != null) { + this.view.scrollToAnchor(anchor); + return true + } + } + + // Instrumentation + + recordTimingMetric(metric) { + this.timingMetrics[metric] = new Date().getTime(); + } + + getTimingMetrics() { + return { ...this.timingMetrics } + } + + // Private + + getHistoryMethodForAction(action) { + switch (action) { + case "replace": + return history.replaceState + case "advance": + case "restore": + return history.pushState + } + } + + hasPreloadedResponse() { + return typeof this.response == "object" + } + + shouldIssueRequest() { + if (this.isSamePage) { + return false + } else if (this.action == "restore") { + return !this.hasCachedSnapshot() + } else { + return this.willRender + } + } + + cacheSnapshot() { + if (!this.snapshotCached) { + this.view.cacheSnapshot(this.snapshot).then((snapshot) => snapshot && this.visitCachedSnapshot(snapshot)); + this.snapshotCached = true; + } + } + + async render(callback) { + this.cancelRender(); + this.frame = await nextRepaint(); + await callback(); + delete this.frame; + } + + async renderPageSnapshot(snapshot, isPreview) { + await this.viewTransitioner.renderChange(this.view.shouldTransitionTo(snapshot), async () => { + await this.view.renderPage(snapshot, isPreview, this.willRender, this); + this.performScroll(); + }); + } + + cancelRender() { + if (this.frame) { + cancelAnimationFrame(this.frame); + delete this.frame; + } + } +} + +function isSuccessful(statusCode) { + return statusCode >= 200 && statusCode < 300 +} + +class BrowserAdapter { + progressBar = new ProgressBar() + + constructor(session) { + this.session = session; + } + + visitProposedToLocation(location, options) { + if (locationIsVisitable(location, this.navigator.rootLocation)) { + this.navigator.startVisit(location, options?.restorationIdentifier || uuid(), options); + } else { + window.location.href = location.toString(); + } + } + + visitStarted(visit) { + this.location = visit.location; + visit.loadCachedSnapshot(); + visit.issueRequest(); + visit.goToSamePageAnchor(); + } + + visitRequestStarted(visit) { + this.progressBar.setValue(0); + if (visit.hasCachedSnapshot() || visit.action != "restore") { + this.showVisitProgressBarAfterDelay(); + } else { + this.showProgressBar(); + } + } + + visitRequestCompleted(visit) { + visit.loadResponse(); + } + + visitRequestFailedWithStatusCode(visit, statusCode) { + switch (statusCode) { + case SystemStatusCode.networkFailure: + case SystemStatusCode.timeoutFailure: + case SystemStatusCode.contentTypeMismatch: + return this.reload({ + reason: "request_failed", + context: { + statusCode + } + }) + default: + return visit.loadResponse() + } + } + + visitRequestFinished(_visit) {} + + visitCompleted(_visit) { + this.progressBar.setValue(1); + this.hideVisitProgressBar(); + } + + pageInvalidated(reason) { + this.reload(reason); + } + + visitFailed(_visit) { + this.progressBar.setValue(1); + this.hideVisitProgressBar(); + } + + visitRendered(_visit) {} + + // Form Submission Delegate + + formSubmissionStarted(_formSubmission) { + this.progressBar.setValue(0); + this.showFormProgressBarAfterDelay(); + } + + formSubmissionFinished(_formSubmission) { + this.progressBar.setValue(1); + this.hideFormProgressBar(); + } + + // Private + + showVisitProgressBarAfterDelay() { + this.visitProgressBarTimeout = window.setTimeout(this.showProgressBar, this.session.progressBarDelay); + } + + hideVisitProgressBar() { + this.progressBar.hide(); + if (this.visitProgressBarTimeout != null) { + window.clearTimeout(this.visitProgressBarTimeout); + delete this.visitProgressBarTimeout; + } + } + + showFormProgressBarAfterDelay() { + if (this.formProgressBarTimeout == null) { + this.formProgressBarTimeout = window.setTimeout(this.showProgressBar, this.session.progressBarDelay); + } + } + + hideFormProgressBar() { + this.progressBar.hide(); + if (this.formProgressBarTimeout != null) { + window.clearTimeout(this.formProgressBarTimeout); + delete this.formProgressBarTimeout; + } + } + + showProgressBar = () => { + this.progressBar.show(); + } + + reload(reason) { + dispatch("turbo:reload", { detail: reason }); + + window.location.href = this.location?.toString() || window.location.href; + } + + get navigator() { + return this.session.navigator + } +} + +class CacheObserver { + selector = "[data-turbo-temporary]" + deprecatedSelector = "[data-turbo-cache=false]" + + started = false + + start() { + if (!this.started) { + this.started = true; + addEventListener("turbo:before-cache", this.removeTemporaryElements, false); + } + } + + stop() { + if (this.started) { + this.started = false; + removeEventListener("turbo:before-cache", this.removeTemporaryElements, false); + } + } + + removeTemporaryElements = (_event) => { + for (const element of this.temporaryElements) { + element.remove(); + } + } + + get temporaryElements() { + return [...document.querySelectorAll(this.selector), ...this.temporaryElementsWithDeprecation] + } + + get temporaryElementsWithDeprecation() { + const elements = document.querySelectorAll(this.deprecatedSelector); + + if (elements.length) { + console.warn( + `The ${this.deprecatedSelector} selector is deprecated and will be removed in a future version. Use ${this.selector} instead.` + ); + } + + return [...elements] + } +} + +class FrameRedirector { + constructor(session, element) { + this.session = session; + this.element = element; + this.linkInterceptor = new LinkInterceptor(this, element); + this.formSubmitObserver = new FormSubmitObserver(this, element); + } + + start() { + this.linkInterceptor.start(); + this.formSubmitObserver.start(); + } + + stop() { + this.linkInterceptor.stop(); + this.formSubmitObserver.stop(); + } + + // Link interceptor delegate + + shouldInterceptLinkClick(element, _location, _event) { + return this.#shouldRedirect(element) + } + + linkClickIntercepted(element, url, event) { + const frame = this.#findFrameElement(element); + if (frame) { + frame.delegate.linkClickIntercepted(element, url, event); + } + } + + // Form submit observer delegate + + willSubmitForm(element, submitter) { + return ( + element.closest("turbo-frame") == null && + this.#shouldSubmit(element, submitter) && + this.#shouldRedirect(element, submitter) + ) + } + + formSubmitted(element, submitter) { + const frame = this.#findFrameElement(element, submitter); + if (frame) { + frame.delegate.formSubmitted(element, submitter); + } + } + + #shouldSubmit(form, submitter) { + const action = getAction$1(form, submitter); + const meta = this.element.ownerDocument.querySelector(`meta[name="turbo-root"]`); + const rootLocation = expandURL(meta?.content ?? "/"); + + return this.#shouldRedirect(form, submitter) && locationIsVisitable(action, rootLocation) + } + + #shouldRedirect(element, submitter) { + const isNavigatable = + element instanceof HTMLFormElement + ? this.session.submissionIsNavigatable(element, submitter) + : this.session.elementIsNavigatable(element); + + if (isNavigatable) { + const frame = this.#findFrameElement(element, submitter); + return frame ? frame != element.closest("turbo-frame") : false + } else { + return false + } + } + + #findFrameElement(element, submitter) { + const id = submitter?.getAttribute("data-turbo-frame") || element.getAttribute("data-turbo-frame"); + if (id && id != "_top") { + const frame = this.element.querySelector(`#${id}:not([disabled])`); + if (frame instanceof FrameElement) { + return frame + } + } + } +} + +class History { + location + restorationIdentifier = uuid() + restorationData = {} + started = false + pageLoaded = false + currentIndex = 0 + + constructor(delegate) { + this.delegate = delegate; + } + + start() { + if (!this.started) { + addEventListener("popstate", this.onPopState, false); + addEventListener("load", this.onPageLoad, false); + this.currentIndex = history.state?.turbo?.restorationIndex || 0; + this.started = true; + this.replace(new URL(window.location.href)); } - changeHistory() { - var _a; - if (!this.historyChanged && this.updateHistory) { - const actionForHistory = this.location.href === ((_a = this.referrer) === null || _a === void 0 ? void 0 : _a.href) ? "replace" : this.action; - const method = getHistoryMethodForAction(actionForHistory); - this.history.update(method, this.location, this.restorationIdentifier); - this.historyChanged = true; - } + } + + stop() { + if (this.started) { + removeEventListener("popstate", this.onPopState, false); + removeEventListener("load", this.onPageLoad, false); + this.started = false; } - issueRequest() { - if (this.hasPreloadedResponse()) { - this.simulateRequest(); - } - else if (this.shouldIssueRequest() && !this.request) { - this.request = new FetchRequest(this, FetchMethod.get, this.location); - this.request.perform(); - } + } + + push(location, restorationIdentifier) { + this.update(history.pushState, location, restorationIdentifier); + } + + replace(location, restorationIdentifier) { + this.update(history.replaceState, location, restorationIdentifier); + } + + update(method, location, restorationIdentifier = uuid()) { + if (method === history.pushState) ++this.currentIndex; + + const state = { turbo: { restorationIdentifier, restorationIndex: this.currentIndex } }; + method.call(history, state, "", location.href); + this.location = location; + this.restorationIdentifier = restorationIdentifier; + } + + // Restoration data + + getRestorationDataForIdentifier(restorationIdentifier) { + return this.restorationData[restorationIdentifier] || {} + } + + updateRestorationData(additionalData) { + const { restorationIdentifier } = this; + const restorationData = this.restorationData[restorationIdentifier]; + this.restorationData[restorationIdentifier] = { + ...restorationData, + ...additionalData + }; + } + + // Scroll restoration + + assumeControlOfScrollRestoration() { + if (!this.previousScrollRestoration) { + this.previousScrollRestoration = history.scrollRestoration ?? "auto"; + history.scrollRestoration = "manual"; } - simulateRequest() { - if (this.response) { - this.startRequest(); - this.recordResponse(); - this.finishRequest(); - } + } + + relinquishControlOfScrollRestoration() { + if (this.previousScrollRestoration) { + history.scrollRestoration = this.previousScrollRestoration; + delete this.previousScrollRestoration; } - startRequest() { - this.recordTimingMetric(TimingMetric.requestStart); - this.adapter.visitRequestStarted(this); + } + + // Event handlers + + onPopState = (event) => { + if (this.shouldHandlePopState()) { + const { turbo } = event.state || {}; + if (turbo) { + this.location = new URL(window.location.href); + const { restorationIdentifier, restorationIndex } = turbo; + this.restorationIdentifier = restorationIdentifier; + const direction = restorationIndex > this.currentIndex ? "forward" : "back"; + this.delegate.historyPoppedToLocationWithRestorationIdentifierAndDirection(this.location, restorationIdentifier, direction); + this.currentIndex = restorationIndex; + } } - recordResponse(response = this.response) { - this.response = response; - if (response) { - const { statusCode } = response; - if (isSuccessful(statusCode)) { - this.adapter.visitRequestCompleted(this); - } - else { - this.adapter.visitRequestFailedWithStatusCode(this, statusCode); - } - } + } + + onPageLoad = async (_event) => { + await nextMicrotask(); + this.pageLoaded = true; + } + + // Private + + shouldHandlePopState() { + // Safari dispatches a popstate event after window''s load event, ignore it + return this.pageIsLoaded() + } + + pageIsLoaded() { + return this.pageLoaded || document.readyState == "complete" + } +} + +class LinkPrefetchObserver { + started = false + #prefetchedLink = null + + constructor(delegate, eventTarget) { + this.delegate = delegate; + this.eventTarget = eventTarget; + } + + start() { + if (this.started) return + + if (this.eventTarget.readyState === "loading") { + this.eventTarget.addEventListener("DOMContentLoaded", this.#enable, { once: true }); + } else { + this.#enable(); } - finishRequest() { - this.recordTimingMetric(TimingMetric.requestEnd); - this.adapter.visitRequestFinished(this); - } - loadResponse() { - if (this.response) { - const { statusCode, responseHTML } = this.response; - this.render(async () => { - if (this.shouldCacheSnapshot) - this.cacheSnapshot(); - if (this.view.renderPromise) - await this.view.renderPromise; - if (isSuccessful(statusCode) && responseHTML != null) { - await this.view.renderPage(PageSnapshot.fromHTMLString(responseHTML), false, this.willRender, this); - this.performScroll(); - this.adapter.visitRendered(this); - this.complete(); - } - else { - await this.view.renderError(PageSnapshot.fromHTMLString(responseHTML), this); - this.adapter.visitRendered(this); - this.fail(); - } - }); - } + } + + stop() { + if (!this.started) return + + this.eventTarget.removeEventListener("mouseenter", this.#tryToPrefetchRequest, { + capture: true, + passive: true + }); + this.eventTarget.removeEventListener("mouseleave", this.#cancelRequestIfObsolete, { + capture: true, + passive: true + }); + + this.eventTarget.removeEventListener("turbo:before-fetch-request", this.#tryToUsePrefetchedRequest, true); + this.started = false; + } + + #enable = () => { + this.eventTarget.addEventListener("mouseenter", this.#tryToPrefetchRequest, { + capture: true, + passive: true + }); + this.eventTarget.addEventListener("mouseleave", this.#cancelRequestIfObsolete, { + capture: true, + passive: true + }); + + this.eventTarget.addEventListener("turbo:before-fetch-request", this.#tryToUsePrefetchedRequest, true); + this.started = true; + } + + #tryToPrefetchRequest = (event) => { + if (getMetaContent("turbo-prefetch") === "false") return + + const target = event.target; + const isLink = target.matches && target.matches("a[href]:not([target^=_]):not([download])"); + + if (isLink && this.#isPrefetchable(target)) { + const link = target; + const location = getLocationForLink(link); + + if (this.delegate.canPrefetchRequestToLocation(link, location)) { + this.#prefetchedLink = link; + + const fetchRequest = new FetchRequest( + this, + FetchMethod.get, + location, + new URLSearchParams(), + target + ); + + prefetchCache.setLater(location.toString(), fetchRequest, this.#cacheTtl); + } } - getCachedSnapshot() { - const snapshot = this.view.getCachedSnapshotForLocation(this.location) || this.getPreloadedSnapshot(); - if (snapshot && (!getAnchor(this.location) || snapshot.hasAnchor(getAnchor(this.location)))) { - if (this.action == "restore" || snapshot.isPreviewable) { - return snapshot; - } - } + } + + #cancelRequestIfObsolete = (event) => { + if (event.target === this.#prefetchedLink) this.#cancelPrefetchRequest(); + } + + #cancelPrefetchRequest = () => { + prefetchCache.clear(); + this.#prefetchedLink = null; + } + + #tryToUsePrefetchedRequest = (event) => { + if (event.target.tagName !== "FORM" && event.detail.fetchOptions.method === "get") { + const cached = prefetchCache.get(event.detail.url.toString()); + + if (cached) { + // User clicked link, use cache response + event.detail.fetchRequest = cached; + } + + prefetchCache.clear(); } - getPreloadedSnapshot() { - if (this.snapshotHTML) { - return PageSnapshot.fromHTMLString(this.snapshotHTML); - } + } + + prepareRequest(request) { + const link = request.target; + + request.headers["X-Sec-Purpose"] = "prefetch"; + + const turboFrame = link.closest("turbo-frame"); + const turboFrameTarget = link.getAttribute("data-turbo-frame") || turboFrame?.getAttribute("target") || turboFrame?.id; + + if (turboFrameTarget && turboFrameTarget !== "_top") { + request.headers["Turbo-Frame"] = turboFrameTarget; } - hasCachedSnapshot() { - return this.getCachedSnapshot() != null; - } - loadCachedSnapshot() { - const snapshot = this.getCachedSnapshot(); - if (snapshot) { - const isPreview = this.shouldIssueRequest(); - this.render(async () => { - this.cacheSnapshot(); - if (this.isSamePage) { - this.adapter.visitRendered(this); - } - else { - if (this.view.renderPromise) - await this.view.renderPromise; - await this.view.renderPage(snapshot, isPreview, this.willRender, this); - this.performScroll(); - this.adapter.visitRendered(this); - if (!isPreview) { - this.complete(); - } - } - }); - } + } + + // Fetch request interface + + requestSucceededWithResponse() {} + + requestStarted(fetchRequest) {} + + requestErrored(fetchRequest) {} + + requestFinished(fetchRequest) {} + + requestPreventedHandlingResponse(fetchRequest, fetchResponse) {} + + requestFailedWithResponse(fetchRequest, fetchResponse) {} + + get #cacheTtl() { + return Number(getMetaContent("turbo-prefetch-cache-time")) || cacheTtl + } + + #isPrefetchable(link) { + const href = link.getAttribute("href"); + + if (!href) return false + + if (unfetchableLink(link)) return false + if (linkToTheSamePage(link)) return false + if (linkOptsOut(link)) return false + if (nonSafeLink(link)) return false + if (eventPrevented(link)) return false + + return true + } +} + +const unfetchableLink = (link) => { + return link.origin !== document.location.origin || !["http:", "https:"].includes(link.protocol) || link.hasAttribute("target") +}; + +const linkToTheSamePage = (link) => { + return (link.pathname + link.search === document.location.pathname + document.location.search) || link.href.startsWith("#") +}; + +const linkOptsOut = (link) => { + if (link.getAttribute("data-turbo-prefetch") === "false") return true + if (link.getAttribute("data-turbo") === "false") return true + + const turboPrefetchParent = findClosestRecursively(link, "[data-turbo-prefetch]"); + if (turboPrefetchParent && turboPrefetchParent.getAttribute("data-turbo-prefetch") === "false") return true + + return false +}; + +const nonSafeLink = (link) => { + const turboMethod = link.getAttribute("data-turbo-method"); + if (turboMethod && turboMethod.toLowerCase() !== "get") return true + + if (isUJS(link)) return true + if (link.hasAttribute("data-turbo-confirm")) return true + if (link.hasAttribute("data-turbo-stream")) return true + + return false +}; + +const isUJS = (link) => { + return link.hasAttribute("data-remote") || link.hasAttribute("data-behavior") || link.hasAttribute("data-confirm") || link.hasAttribute("data-method") +}; + +const eventPrevented = (link) => { + const event = dispatch("turbo:before-prefetch", { target: link, cancelable: true }); + return event.defaultPrevented +}; + +class Navigator { + constructor(delegate) { + this.delegate = delegate; + } + + proposeVisit(location, options = {}) { + if (this.delegate.allowsVisitingLocationWithAction(location, options.action)) { + this.delegate.visitProposedToLocation(location, options); } - followRedirect() { - var _a; - if (this.redirectedToLocation && !this.followedRedirect && ((_a = this.response) === null || _a === void 0 ? void 0 : _a.redirected)) { - this.adapter.visitProposedToLocation(this.redirectedToLocation, { - action: "replace", - response: this.response, - shouldCacheSnapshot: false, - willRender: false, - }); - this.followedRedirect = true; - } + } + + startVisit(locatable, restorationIdentifier, options = {}) { + this.stop(); + this.currentVisit = new Visit(this, expandURL(locatable), restorationIdentifier, { + referrer: this.location, + ...options + }); + this.currentVisit.start(); + } + + submitForm(form, submitter) { + this.stop(); + this.formSubmission = new FormSubmission(this, form, submitter, true); + + this.formSubmission.start(); + } + + stop() { + if (this.formSubmission) { + this.formSubmission.stop(); + delete this.formSubmission; } - goToSamePageAnchor() { - if (this.isSamePage) { - this.render(async () => { - this.cacheSnapshot(); - this.performScroll(); - this.changeHistory(); - this.adapter.visitRendered(this); - }); - } + + if (this.currentVisit) { + this.currentVisit.cancel(); + delete this.currentVisit; } - prepareRequest(request) { - if (this.acceptsStreamResponse) { - request.acceptResponseType(StreamMessage.contentType); - } + } + + get adapter() { + return this.delegate.adapter + } + + get view() { + return this.delegate.view + } + + get rootLocation() { + return this.view.snapshot.rootLocation + } + + get history() { + return this.delegate.history + } + + // Form submission delegate + + formSubmissionStarted(formSubmission) { + // Not all adapters implement formSubmissionStarted + if (typeof this.adapter.formSubmissionStarted === "function") { + this.adapter.formSubmissionStarted(formSubmission); } - requestStarted() { - this.startRequest(); - } - requestPreventedHandlingResponse(_request, _response) { } - async requestSucceededWithResponse(request, response) { - const responseHTML = await response.responseHTML; - const { redirected, statusCode } = response; - if (responseHTML == undefined) { - this.recordResponse({ - statusCode: SystemStatusCode.contentTypeMismatch, - redirected, - }); - } - else { - this.redirectedToLocation = response.redirected ? response.location : undefined; - this.recordResponse({ statusCode: statusCode, responseHTML, redirected }); + } + + async formSubmissionSucceededWithResponse(formSubmission, fetchResponse) { + if (formSubmission == this.formSubmission) { + const responseHTML = await fetchResponse.responseHTML; + if (responseHTML) { + const shouldCacheSnapshot = formSubmission.isSafe; + if (!shouldCacheSnapshot) { + this.view.clearSnapshotCache(); } + + const { statusCode, redirected } = fetchResponse; + const action = this.#getActionForFormSubmission(formSubmission, fetchResponse); + const visitOptions = { + action, + shouldCacheSnapshot, + response: { statusCode, responseHTML, redirected } + }; + this.proposeVisit(fetchResponse.location, visitOptions); + } } - async requestFailedWithResponse(request, response) { - const responseHTML = await response.responseHTML; - const { redirected, statusCode } = response; - if (responseHTML == undefined) { - this.recordResponse({ - statusCode: SystemStatusCode.contentTypeMismatch, - redirected, - }); - } - else { - this.recordResponse({ statusCode: statusCode, responseHTML, redirected }); - } + } + + async formSubmissionFailedWithResponse(formSubmission, fetchResponse) { + const responseHTML = await fetchResponse.responseHTML; + + if (responseHTML) { + const snapshot = PageSnapshot.fromHTMLString(responseHTML); + if (fetchResponse.serverError) { + await this.view.renderError(snapshot, this.currentVisit); + } else { + await this.view.renderPage(snapshot, false, true, this.currentVisit); + } + if(!snapshot.shouldPreserveScrollPosition) { + this.view.scrollToTop(); + } + this.view.clearSnapshotCache(); } - requestErrored(_request, _error) { - this.recordResponse({ - statusCode: SystemStatusCode.networkFailure, - redirected: false, - }); + } + + formSubmissionErrored(formSubmission, error) { + console.error(error); + } + + formSubmissionFinished(formSubmission) { + // Not all adapters implement formSubmissionFinished + if (typeof this.adapter.formSubmissionFinished === "function") { + this.adapter.formSubmissionFinished(formSubmission); } - requestFinished() { - this.finishRequest(); + } + + // Visit delegate + + visitStarted(visit) { + this.delegate.visitStarted(visit); + } + + visitCompleted(visit) { + this.delegate.visitCompleted(visit); + } + + locationWithActionIsSamePage(location, action) { + const anchor = getAnchor(location); + const currentAnchor = getAnchor(this.view.lastRenderedLocation); + const isRestorationToTop = action === "restore" && typeof anchor === "undefined"; + + return ( + action !== "replace" && + getRequestURL(location) === getRequestURL(this.view.lastRenderedLocation) && + (isRestorationToTop || (anchor != null && anchor !== currentAnchor)) + ) + } + + visitScrolledToSamePageLocation(oldURL, newURL) { + this.delegate.visitScrolledToSamePageLocation(oldURL, newURL); + } + + // Visits + + get location() { + return this.history.location + } + + get restorationIdentifier() { + return this.history.restorationIdentifier + } + + #getActionForFormSubmission(formSubmission, fetchResponse) { + const { submitter, formElement } = formSubmission; + return getVisitAction(submitter, formElement) || this.#getDefaultAction(fetchResponse) + } + + #getDefaultAction(fetchResponse) { + const sameLocationRedirect = fetchResponse.redirected && fetchResponse.location.href === this.location?.href; + return sameLocationRedirect ? "replace" : "advance" + } +} + +const PageStage = { + initial: 0, + loading: 1, + interactive: 2, + complete: 3 +}; + +class PageObserver { + stage = PageStage.initial + started = false + + constructor(delegate) { + this.delegate = delegate; + } + + start() { + if (!this.started) { + if (this.stage == PageStage.initial) { + this.stage = PageStage.loading; + } + document.addEventListener("readystatechange", this.interpretReadyState, false); + addEventListener("pagehide", this.pageWillUnload, false); + this.started = true; } - performScroll() { - if (!this.scrolled && !this.view.forceReloaded) { - if (this.action == "restore") { - this.scrollToRestoredPosition() || this.scrollToAnchor() || this.view.scrollToTop(); - } - else { - this.scrollToAnchor() || this.view.scrollToTop(); - } - if (this.isSamePage) { - this.delegate.visitScrolledToSamePageLocation(this.view.lastRenderedLocation, this.location); - } - this.scrolled = true; - } + } + + stop() { + if (this.started) { + document.removeEventListener("readystatechange", this.interpretReadyState, false); + removeEventListener("pagehide", this.pageWillUnload, false); + this.started = false; } - scrollToRestoredPosition() { - const { scrollPosition } = this.restorationData; - if (scrollPosition) { - this.view.scrollToPosition(scrollPosition); - return true; - } + } + + interpretReadyState = () => { + const { readyState } = this; + if (readyState == "interactive") { + this.pageIsInteractive(); + } else if (readyState == "complete") { + this.pageIsComplete(); } - scrollToAnchor() { - const anchor = getAnchor(this.location); - if (anchor != null) { - this.view.scrollToAnchor(anchor); - return true; - } + } + + pageIsInteractive() { + if (this.stage == PageStage.loading) { + this.stage = PageStage.interactive; + this.delegate.pageBecameInteractive(); } - recordTimingMetric(metric) { - this.timingMetrics[metric] = new Date().getTime(); + } + + pageIsComplete() { + this.pageIsInteractive(); + if (this.stage == PageStage.interactive) { + this.stage = PageStage.complete; + this.delegate.pageLoaded(); } - getTimingMetrics() { - return Object.assign({}, this.timingMetrics); + } + + pageWillUnload = () => { + this.delegate.pageWillUnload(); + } + + get readyState() { + return document.readyState + } +} + +class ScrollObserver { + started = false + + constructor(delegate) { + this.delegate = delegate; + } + + start() { + if (!this.started) { + addEventListener("scroll", this.onScroll, false); + this.onScroll(); + this.started = true; } - getHistoryMethodForAction(action) { - switch (action) { - case "replace": - return history.replaceState; - case "advance": - case "restore": - return history.pushState; - } + } + + stop() { + if (this.started) { + removeEventListener("scroll", this.onScroll, false); + this.started = false; } - hasPreloadedResponse() { - return typeof this.response == "object"; + } + + onScroll = () => { + this.updatePosition({ x: window.pageXOffset, y: window.pageYOffset }); + } + + // Private + + updatePosition(position) { + this.delegate.scrollPositionChanged(position); + } +} + +class StreamMessageRenderer { + render({ fragment }) { + Bardo.preservingPermanentElements(this, getPermanentElementMapForFragment(fragment), () => { + withAutofocusFromFragment(fragment, () => { + withPreservedFocus(() => { + document.documentElement.appendChild(fragment); + }); + }); + }); + } + + // Bardo delegate + + enteringBardo(currentPermanentElement, newPermanentElement) { + newPermanentElement.replaceWith(currentPermanentElement.cloneNode(true)); + } + + leavingBardo() {} +} + +function getPermanentElementMapForFragment(fragment) { + const permanentElementsInDocument = queryPermanentElementsAll(document.documentElement); + const permanentElementMap = {}; + for (const permanentElementInDocument of permanentElementsInDocument) { + const { id } = permanentElementInDocument; + + for (const streamElement of fragment.querySelectorAll("turbo-stream")) { + const elementInStream = getPermanentElementById(streamElement.templateElement.content, id); + + if (elementInStream) { + permanentElementMap[id] = [permanentElementInDocument, elementInStream]; + } } - shouldIssueRequest() { - if (this.isSamePage) { - return false; - } - else if (this.action == "restore") { - return !this.hasCachedSnapshot(); - } - else { - return this.willRender; - } + } + + return permanentElementMap +} + +async function withAutofocusFromFragment(fragment, callback) { + const generatedID = `turbo-stream-autofocus-${uuid()}`; + const turboStreams = fragment.querySelectorAll("turbo-stream"); + const elementWithAutofocus = firstAutofocusableElementInStreams(turboStreams); + let willAutofocusId = null; + + if (elementWithAutofocus) { + if (elementWithAutofocus.id) { + willAutofocusId = elementWithAutofocus.id; + } else { + willAutofocusId = generatedID; } - cacheSnapshot() { - if (!this.snapshotCached) { - this.view.cacheSnapshot(this.snapshot).then((snapshot) => snapshot && this.visitCachedSnapshot(snapshot)); - this.snapshotCached = true; - } + + elementWithAutofocus.id = willAutofocusId; + } + + callback(); + await nextRepaint(); + + const hasNoActiveElement = document.activeElement == null || document.activeElement == document.body; + + if (hasNoActiveElement && willAutofocusId) { + const elementToAutofocus = document.getElementById(willAutofocusId); + + if (elementIsFocusable(elementToAutofocus)) { + elementToAutofocus.focus(); } - async render(callback) { - this.cancelRender(); - await new Promise((resolve) => { - this.frame = requestAnimationFrame(() => resolve()); - }); - await callback(); - delete this.frame; + if (elementToAutofocus && elementToAutofocus.id == generatedID) { + elementToAutofocus.removeAttribute("id"); } - cancelRender() { - if (this.frame) { - cancelAnimationFrame(this.frame); - delete this.frame; - } + } +} + +async function withPreservedFocus(callback) { + const [activeElementBeforeRender, activeElementAfterRender] = await around(callback, () => document.activeElement); + + const restoreFocusTo = activeElementBeforeRender && activeElementBeforeRender.id; + + if (restoreFocusTo) { + const elementToFocus = document.getElementById(restoreFocusTo); + + if (elementIsFocusable(elementToFocus) && elementToFocus != activeElementAfterRender) { + elementToFocus.focus(); } + } } -function isSuccessful(statusCode) { - return statusCode >= 200 && statusCode < 300; + +function firstAutofocusableElementInStreams(nodeListOfStreamElements) { + for (const streamElement of nodeListOfStreamElements) { + const elementWithAutofocus = queryAutofocusableElement(streamElement.templateElement.content); + + if (elementWithAutofocus) return elementWithAutofocus + } + + return null } -class BrowserAdapter { - constructor(session) { - this.progressBar = new ProgressBar(); - this.showProgressBar = () => { - this.progressBar.show(); - }; - this.session = session; - } - visitProposedToLocation(location, options) { - this.navigator.startVisit(location, (options === null || options === void 0 ? void 0 : options.restorationIdentifier) || uuid(), options); - } - visitStarted(visit) { - this.location = visit.location; - visit.loadCachedSnapshot(); - visit.issueRequest(); - visit.goToSamePageAnchor(); +class StreamObserver { + sources = new Set() + #started = false + + constructor(delegate) { + this.delegate = delegate; + } + + start() { + if (!this.#started) { + this.#started = true; + addEventListener("turbo:before-fetch-response", this.inspectFetchResponse, false); } - visitRequestStarted(visit) { - this.progressBar.setValue(0); - if (visit.hasCachedSnapshot() || visit.action != "restore") { - this.showVisitProgressBarAfterDelay(); - } - else { - this.showProgressBar(); - } + } + + stop() { + if (this.#started) { + this.#started = false; + removeEventListener("turbo:before-fetch-response", this.inspectFetchResponse, false); } - visitRequestCompleted(visit) { - visit.loadResponse(); - } - visitRequestFailedWithStatusCode(visit, statusCode) { - switch (statusCode) { - case SystemStatusCode.networkFailure: - case SystemStatusCode.timeoutFailure: - case SystemStatusCode.contentTypeMismatch: - return this.reload({ - reason: "request_failed", - context: { - statusCode, - }, - }); - default: - return visit.loadResponse(); - } + } + + connectStreamSource(source) { + if (!this.streamSourceIsConnected(source)) { + this.sources.add(source); + source.addEventListener("message", this.receiveMessageEvent, false); } - visitRequestFinished(_visit) { - this.progressBar.setValue(1); - this.hideVisitProgressBar(); + } + + disconnectStreamSource(source) { + if (this.streamSourceIsConnected(source)) { + this.sources.delete(source); + source.removeEventListener("message", this.receiveMessageEvent, false); } - visitCompleted(_visit) { } - pageInvalidated(reason) { - this.reload(reason); + } + + streamSourceIsConnected(source) { + return this.sources.has(source) + } + + inspectFetchResponse = (event) => { + const response = fetchResponseFromEvent(event); + if (response && fetchResponseIsStream(response)) { + event.preventDefault(); + this.receiveMessageResponse(response); } - visitFailed(_visit) { } - visitRendered(_visit) { } - formSubmissionStarted(_formSubmission) { - this.progressBar.setValue(0); - this.showFormProgressBarAfterDelay(); + } + + receiveMessageEvent = (event) => { + if (this.#started && typeof event.data == "string") { + this.receiveMessageHTML(event.data); } - formSubmissionFinished(_formSubmission) { - this.progressBar.setValue(1); - this.hideFormProgressBar(); + } + + async receiveMessageResponse(response) { + const html = await response.responseHTML; + if (html) { + this.receiveMessageHTML(html); } - showVisitProgressBarAfterDelay() { - this.visitProgressBarTimeout = window.setTimeout(this.showProgressBar, this.session.progressBarDelay); + } + + receiveMessageHTML(html) { + this.delegate.receivedMessageFromStream(StreamMessage.wrap(html)); + } +} + +function fetchResponseFromEvent(event) { + const fetchResponse = event.detail?.fetchResponse; + if (fetchResponse instanceof FetchResponse) { + return fetchResponse + } +} + +function fetchResponseIsStream(response) { + const contentType = response.contentType ?? ""; + return contentType.startsWith(StreamMessage.contentType) +} + +class ErrorRenderer extends Renderer { + static renderElement(currentElement, newElement) { + const { documentElement, body } = document; + + documentElement.replaceChild(newElement, body); + } + + async render() { + this.replaceHeadAndBody(); + this.activateScriptElements(); + } + + replaceHeadAndBody() { + const { documentElement, head } = document; + documentElement.replaceChild(this.newHead, head); + this.renderElement(this.currentElement, this.newElement); + } + + activateScriptElements() { + for (const replaceableElement of this.scriptElements) { + const parentNode = replaceableElement.parentNode; + if (parentNode) { + const element = activateScriptElement(replaceableElement); + parentNode.replaceChild(element, replaceableElement); + } } - hideVisitProgressBar() { - this.progressBar.hide(); - if (this.visitProgressBarTimeout != null) { - window.clearTimeout(this.visitProgressBarTimeout); - delete this.visitProgressBarTimeout; + } + + get newHead() { + return this.newSnapshot.headSnapshot.element + } + + get scriptElements() { + return document.documentElement.querySelectorAll("script") + } +} + +// base IIFE to define idiomorph +var Idiomorph = (function () { + + //============================================================================= + // AND NOW IT BEGINS... + //============================================================================= + let EMPTY_SET = new Set(); + + // default configuration values, updatable by users now + let defaults = { + morphStyle: "outerHTML", + callbacks : { + beforeNodeAdded: noOp, + afterNodeAdded: noOp, + beforeNodeMorphed: noOp, + afterNodeMorphed: noOp, + beforeNodeRemoved: noOp, + afterNodeRemoved: noOp, + beforeAttributeUpdated: noOp, + + }, + head: { + style: ''merge'', + shouldPreserve: function (elt) { + return elt.getAttribute("im-preserve") === "true"; + }, + shouldReAppend: function (elt) { + return elt.getAttribute("im-re-append") === "true"; + }, + shouldRemove: noOp, + afterHeadMorphed: noOp, + } + }; + + //============================================================================= + // Core Morphing Algorithm - morph, morphNormalizedContent, morphOldNodeTo, morphChildren + //============================================================================= + function morph(oldNode, newContent, config = {}) { + + if (oldNode instanceof Document) { + oldNode = oldNode.documentElement; + } + + if (typeof newContent === ''string'') { + newContent = parseContent(newContent); + } + + let normalizedContent = normalizeContent(newContent); + + let ctx = createMorphContext(oldNode, normalizedContent, config); + + return morphNormalizedContent(oldNode, normalizedContent, ctx); } - } - showFormProgressBarAfterDelay() { - if (this.formProgressBarTimeout == null) { - this.formProgressBarTimeout = window.setTimeout(this.showProgressBar, this.session.progressBarDelay); + + function morphNormalizedContent(oldNode, normalizedNewContent, ctx) { + if (ctx.head.block) { + let oldHead = oldNode.querySelector(''head''); + let newHead = normalizedNewContent.querySelector(''head''); + if (oldHead && newHead) { + let promises = handleHeadElement(newHead, oldHead, ctx); + // when head promises resolve, call morph again, ignoring the head tag + Promise.all(promises).then(function () { + morphNormalizedContent(oldNode, normalizedNewContent, Object.assign(ctx, { + head: { + block: false, + ignore: true + } + })); + }); + return; + } + } + + if (ctx.morphStyle === "innerHTML") { + + // innerHTML, so we are only updating the children + morphChildren(normalizedNewContent, oldNode, ctx); + return oldNode.children; + + } else if (ctx.morphStyle === "outerHTML" || ctx.morphStyle == null) { + // otherwise find the best element match in the new content, morph that, and merge its siblings + // into either side of the best match + let bestMatch = findBestNodeMatch(normalizedNewContent, oldNode, ctx); + + // stash the siblings that will need to be inserted on either side of the best match + let previousSibling = bestMatch?.previousSibling; + let nextSibling = bestMatch?.nextSibling; + + // morph it + let morphedNode = morphOldNodeTo(oldNode, bestMatch, ctx); + + if (bestMatch) { + // if there was a best match, merge the siblings in too and return the + // whole bunch + return insertSiblings(previousSibling, morphedNode, nextSibling); + } else { + // otherwise nothing was added to the DOM + return [] + } + } else { + throw "Do not understand how to morph style " + ctx.morphStyle; + } } - } - hideFormProgressBar() { - this.progressBar.hide(); - if (this.formProgressBarTimeout != null) { - window.clearTimeout(this.formProgressBarTimeout); - delete this.formProgressBarTimeout; + + + /** + * @param possibleActiveElement + * @param ctx + * @returns {boolean} + */ + function ignoreValueOfActiveElement(possibleActiveElement, ctx) { + return ctx.ignoreActiveValue && possibleActiveElement === document.activeElement && possibleActiveElement !== document.body; } - } - reload(reason) { - var _a; - dispatch("turbo:reload", { detail: reason }); - window.location.href = ((_a = this.location) === null || _a === void 0 ? void 0 : _a.toString()) || window.location.href; - } - get navigator() { - return this.session.navigator; - } -} -class CacheObserver { - constructor() { - this.selector = "[data-turbo-temporary]"; - this.deprecatedSelector = "[data-turbo-cache=false]"; - this.started = false; - this.removeTemporaryElements = ((_event) => { - for (const element of this.temporaryElements) { - element.remove(); + /** + * @param oldNode root node to merge content into + * @param newContent new content to merge + * @param ctx the merge context + * @returns {Element} the element that ended up in the DOM + */ + function morphOldNodeTo(oldNode, newContent, ctx) { + if (ctx.ignoreActive && oldNode === document.activeElement) ; else if (newContent == null) { + if (ctx.callbacks.beforeNodeRemoved(oldNode) === false) return oldNode; + + oldNode.remove(); + ctx.callbacks.afterNodeRemoved(oldNode); + return null; + } else if (!isSoftMatch(oldNode, newContent)) { + if (ctx.callbacks.beforeNodeRemoved(oldNode) === false) return oldNode; + if (ctx.callbacks.beforeNodeAdded(newContent) === false) return oldNode; + + oldNode.parentElement.replaceChild(newContent, oldNode); + ctx.callbacks.afterNodeAdded(newContent); + ctx.callbacks.afterNodeRemoved(oldNode); + return newContent; + } else { + if (ctx.callbacks.beforeNodeMorphed(oldNode, newContent) === false) return oldNode; + + if (oldNode instanceof HTMLHeadElement && ctx.head.ignore) ; else if (oldNode instanceof HTMLHeadElement && ctx.head.style !== "morph") { + handleHeadElement(newContent, oldNode, ctx); + } else { + syncNodeFrom(newContent, oldNode, ctx); + if (!ignoreValueOfActiveElement(oldNode, ctx)) { + morphChildren(newContent, oldNode, ctx); + } + } + ctx.callbacks.afterNodeMorphed(oldNode, newContent); + return oldNode; } - }); - } - start() { - if (!this.started) { - this.started = true; - addEventListener("turbo:before-cache", this.removeTemporaryElements, false); } - } - stop() { - if (this.started) { - this.started = false; - removeEventListener("turbo:before-cache", this.removeTemporaryElements, false); + + /** + * This is the core algorithm for matching up children. The idea is to use id sets to try to match up + * nodes as faithfully as possible. We greedily match, which allows us to keep the algorithm fast, but + * by using id sets, we are able to better match up with content deeper in the DOM. + * + * Basic algorithm is, for each node in the new content: + * + * - if we have reached the end of the old parent, append the new content + * - if the new content has an id set match with the current insertion point, morph + * - search for an id set match + * - if id set match found, morph + * - otherwise search for a "soft" match + * - if a soft match is found, morph + * - otherwise, prepend the new node before the current insertion point + * + * The two search algorithms terminate if competing node matches appear to outweigh what can be achieved + * with the current node. See findIdSetMatch() and findSoftMatch() for details. + * + * @param {Element} newParent the parent element of the new content + * @param {Element } oldParent the old content that we are merging the new content into + * @param ctx the merge context + */ + function morphChildren(newParent, oldParent, ctx) { + + let nextNewChild = newParent.firstChild; + let insertionPoint = oldParent.firstChild; + let newChild; + + // run through all the new content + while (nextNewChild) { + + newChild = nextNewChild; + nextNewChild = newChild.nextSibling; + + // if we are at the end of the exiting parent''s children, just append + if (insertionPoint == null) { + if (ctx.callbacks.beforeNodeAdded(newChild) === false) return; + + oldParent.appendChild(newChild); + ctx.callbacks.afterNodeAdded(newChild); + removeIdsFromConsideration(ctx, newChild); + continue; + } + + // if the current node has an id set match then morph + if (isIdSetMatch(newChild, insertionPoint, ctx)) { + morphOldNodeTo(insertionPoint, newChild, ctx); + insertionPoint = insertionPoint.nextSibling; + removeIdsFromConsideration(ctx, newChild); + continue; + } + + // otherwise search forward in the existing old children for an id set match + let idSetMatch = findIdSetMatch(newParent, oldParent, newChild, insertionPoint, ctx); + + // if we found a potential match, remove the nodes until that point and morph + if (idSetMatch) { + insertionPoint = removeNodesBetween(insertionPoint, idSetMatch, ctx); + morphOldNodeTo(idSetMatch, newChild, ctx); + removeIdsFromConsideration(ctx, newChild); + continue; + } + + // no id set match found, so scan forward for a soft match for the current node + let softMatch = findSoftMatch(newParent, oldParent, newChild, insertionPoint, ctx); + + // if we found a soft match for the current node, morph + if (softMatch) { + insertionPoint = removeNodesBetween(insertionPoint, softMatch, ctx); + morphOldNodeTo(softMatch, newChild, ctx); + removeIdsFromConsideration(ctx, newChild); + continue; + } + + // abandon all hope of morphing, just insert the new child before the insertion point + // and move on + if (ctx.callbacks.beforeNodeAdded(newChild) === false) return; + + oldParent.insertBefore(newChild, insertionPoint); + ctx.callbacks.afterNodeAdded(newChild); + removeIdsFromConsideration(ctx, newChild); + } + + // remove any remaining old nodes that didn''t match up with new content + while (insertionPoint !== null) { + + let tempNode = insertionPoint; + insertionPoint = insertionPoint.nextSibling; + removeNode(tempNode, ctx); + } } - } - get temporaryElements() { - return [...document.querySelectorAll(this.selector), ...this.temporaryElementsWithDeprecation]; - } - get temporaryElementsWithDeprecation() { - const elements = document.querySelectorAll(this.deprecatedSelector); - if (elements.length) { - console.warn(`The ${this.deprecatedSelector} selector is deprecated and will be removed in a future version. Use ${this.selector} instead.`); + + //============================================================================= + // Attribute Syncing Code + //============================================================================= + + /** + * @param attr {String} the attribute to be mutated + * @param to {Element} the element that is going to be updated + * @param updateType {("update"|"remove")} + * @param ctx the merge context + * @returns {boolean} true if the attribute should be ignored, false otherwise + */ + function ignoreAttribute(attr, to, updateType, ctx) { + if(attr === ''value'' && ctx.ignoreActiveValue && to === document.activeElement){ + return true; + } + return ctx.callbacks.beforeAttributeUpdated(attr, to, updateType) === false; } - return [...elements]; - } -} -class FrameRedirector { - constructor(session, element) { - this.session = session; - this.element = element; - this.linkInterceptor = new LinkInterceptor(this, element); - this.formSubmitObserver = new FormSubmitObserver(this, element); - } - start() { - this.linkInterceptor.start(); - this.formSubmitObserver.start(); - } - stop() { - this.linkInterceptor.stop(); - this.formSubmitObserver.stop(); - } - shouldInterceptLinkClick(element, _location, _event) { - return this.shouldRedirect(element); - } - linkClickIntercepted(element, url, event) { - const frame = this.findFrameElement(element); - if (frame) { - frame.delegate.linkClickIntercepted(element, url, event); + /** + * syncs a given node with another node, copying over all attributes and + * inner element state from the ''from'' node to the ''to'' node + * + * @param {Element} from the element to copy attributes & state from + * @param {Element} to the element to copy attributes & state to + * @param ctx the merge context + */ + function syncNodeFrom(from, to, ctx) { + let type = from.nodeType; + + // if is an element type, sync the attributes from the + // new node into the new node + if (type === 1 /* element type */) { + const fromAttributes = from.attributes; + const toAttributes = to.attributes; + for (const fromAttribute of fromAttributes) { + if (ignoreAttribute(fromAttribute.name, to, ''update'', ctx)) { + continue; + } + if (to.getAttribute(fromAttribute.name) !== fromAttribute.value) { + to.setAttribute(fromAttribute.name, fromAttribute.value); + } + } + // iterate backwards to avoid skipping over items when a delete occurs + for (let i = toAttributes.length - 1; 0 <= i; i--) { + const toAttribute = toAttributes[i]; + if (ignoreAttribute(toAttribute.name, to, ''remove'', ctx)) { + continue; + } + if (!from.hasAttribute(toAttribute.name)) { + to.removeAttribute(toAttribute.name); + } + } + } + + // sync text nodes + if (type === 8 /* comment */ || type === 3 /* text */) { + if (to.nodeValue !== from.nodeValue) { + to.nodeValue = from.nodeValue; + } + } + + if (!ignoreValueOfActiveElement(to, ctx)) { + // sync input values + syncInputValue(from, to, ctx); + } } - } - willSubmitForm(element, submitter) { - return (element.closest("turbo-frame") == null && - this.shouldSubmit(element, submitter) && - this.shouldRedirect(element, submitter)); - } - formSubmitted(element, submitter) { - const frame = this.findFrameElement(element, submitter); - if (frame) { - frame.delegate.formSubmitted(element, submitter); + + /** + * @param from {Element} element to sync the value from + * @param to {Element} element to sync the value to + * @param attributeName {String} the attribute name + * @param ctx the merge context + */ + function syncBooleanAttribute(from, to, attributeName, ctx) { + if (from[attributeName] !== to[attributeName]) { + let ignoreUpdate = ignoreAttribute(attributeName, to, ''update'', ctx); + if (!ignoreUpdate) { + to[attributeName] = from[attributeName]; + } + if (from[attributeName]) { + if (!ignoreUpdate) { + to.setAttribute(attributeName, from[attributeName]); + } + } else { + if (!ignoreAttribute(attributeName, to, ''remove'', ctx)) { + to.removeAttribute(attributeName); + } + } + } } - } - shouldSubmit(form, submitter) { - var _a; - const action = getAction(form, submitter); - const meta = this.element.ownerDocument.querySelector(`meta[name="turbo-root"]`); - const rootLocation = expandURL((_a = meta === null || meta === void 0 ? void 0 : meta.content) !== null && _a !== void 0 ? _a : "/"); - return this.shouldRedirect(form, submitter) && locationIsVisitable(action, rootLocation); - } - shouldRedirect(element, submitter) { - const isNavigatable = element instanceof HTMLFormElement - ? this.session.submissionIsNavigatable(element, submitter) - : this.session.elementIsNavigatable(element); - if (isNavigatable) { - const frame = this.findFrameElement(element, submitter); - return frame ? frame != element.closest("turbo-frame") : false; + + /** + * NB: many bothans died to bring us information: + * + * https://github.com/patrick-steele-idem/morphdom/blob/master/src/specialElHandlers.js + * https://github.com/choojs/nanomorph/blob/master/lib/morph.jsL113 + * + * @param from {Element} the element to sync the input value from + * @param to {Element} the element to sync the input value to + * @param ctx the merge context + */ + function syncInputValue(from, to, ctx) { + if (from instanceof HTMLInputElement && + to instanceof HTMLInputElement && + from.type !== ''file'') { + + let fromValue = from.value; + let toValue = to.value; + + // sync boolean attributes + syncBooleanAttribute(from, to, ''checked'', ctx); + syncBooleanAttribute(from, to, ''disabled'', ctx); + + if (!from.hasAttribute(''value'')) { + if (!ignoreAttribute(''value'', to, ''remove'', ctx)) { + to.value = ''''; + to.removeAttribute(''value''); + } + } else if (fromValue !== toValue) { + if (!ignoreAttribute(''value'', to, ''update'', ctx)) { + to.setAttribute(''value'', fromValue); + to.value = fromValue; + } + } + } else if (from instanceof HTMLOptionElement) { + syncBooleanAttribute(from, to, ''selected'', ctx); + } else if (from instanceof HTMLTextAreaElement && to instanceof HTMLTextAreaElement) { + let fromValue = from.value; + let toValue = to.value; + if (ignoreAttribute(''value'', to, ''update'', ctx)) { + return; + } + if (fromValue !== toValue) { + to.value = fromValue; + } + if (to.firstChild && to.firstChild.nodeValue !== fromValue) { + to.firstChild.nodeValue = fromValue; + } + } } - else { - return false; + + //============================================================================= + // the HEAD tag can be handled specially, either w/ a ''merge'' or ''append'' style + //============================================================================= + function handleHeadElement(newHeadTag, currentHead, ctx) { + + let added = []; + let removed = []; + let preserved = []; + let nodesToAppend = []; + + let headMergeStyle = ctx.head.style; + + // put all new head elements into a Map, by their outerHTML + let srcToNewHeadNodes = new Map(); + for (const newHeadChild of newHeadTag.children) { + srcToNewHeadNodes.set(newHeadChild.outerHTML, newHeadChild); + } + + // for each elt in the current head + for (const currentHeadElt of currentHead.children) { + + // If the current head element is in the map + let inNewContent = srcToNewHeadNodes.has(currentHeadElt.outerHTML); + let isReAppended = ctx.head.shouldReAppend(currentHeadElt); + let isPreserved = ctx.head.shouldPreserve(currentHeadElt); + if (inNewContent || isPreserved) { + if (isReAppended) { + // remove the current version and let the new version replace it and re-execute + removed.push(currentHeadElt); + } else { + // this element already exists and should not be re-appended, so remove it from + // the new content map, preserving it in the DOM + srcToNewHeadNodes.delete(currentHeadElt.outerHTML); + preserved.push(currentHeadElt); + } + } else { + if (headMergeStyle === "append") { + // we are appending and this existing element is not new content + // so if and only if it is marked for re-append do we do anything + if (isReAppended) { + removed.push(currentHeadElt); + nodesToAppend.push(currentHeadElt); + } + } else { + // if this is a merge, we remove this content since it is not in the new head + if (ctx.head.shouldRemove(currentHeadElt) !== false) { + removed.push(currentHeadElt); + } + } + } + } + + // Push the remaining new head elements in the Map into the + // nodes to append to the head tag + nodesToAppend.push(...srcToNewHeadNodes.values()); + + let promises = []; + for (const newNode of nodesToAppend) { + let newElt = document.createRange().createContextualFragment(newNode.outerHTML).firstChild; + if (ctx.callbacks.beforeNodeAdded(newElt) !== false) { + if (newElt.href || newElt.src) { + let resolve = null; + let promise = new Promise(function (_resolve) { + resolve = _resolve; + }); + newElt.addEventListener(''load'', function () { + resolve(); + }); + promises.push(promise); + } + currentHead.appendChild(newElt); + ctx.callbacks.afterNodeAdded(newElt); + added.push(newElt); + } + } + + // remove all removed elements, after we have appended the new elements to avoid + // additional network requests for things like style sheets + for (const removedElement of removed) { + if (ctx.callbacks.beforeNodeRemoved(removedElement) !== false) { + currentHead.removeChild(removedElement); + ctx.callbacks.afterNodeRemoved(removedElement); + } + } + + ctx.head.afterHeadMorphed(currentHead, {added: added, kept: preserved, removed: removed}); + return promises; } - } - findFrameElement(element, submitter) { - const id = (submitter === null || submitter === void 0 ? void 0 : submitter.getAttribute("data-turbo-frame")) || element.getAttribute("data-turbo-frame"); - if (id && id != "_top") { - const frame = this.element.querySelector(`#${id}:not([disabled])`); - if (frame instanceof FrameElement) { - return frame; + + function noOp() { + } + + /* + Deep merges the config object and the Idiomoroph.defaults object to + produce a final configuration object + */ + function mergeDefaults(config) { + let finalConfig = {}; + // copy top level stuff into final config + Object.assign(finalConfig, defaults); + Object.assign(finalConfig, config); + + // copy callbacks into final config (do this to deep merge the callbacks) + finalConfig.callbacks = {}; + Object.assign(finalConfig.callbacks, defaults.callbacks); + Object.assign(finalConfig.callbacks, config.callbacks); + + // copy head config into final config (do this to deep merge the head) + finalConfig.head = {}; + Object.assign(finalConfig.head, defaults.head); + Object.assign(finalConfig.head, config.head); + return finalConfig; + } + + function createMorphContext(oldNode, newContent, config) { + config = mergeDefaults(config); + return { + target: oldNode, + newContent: newContent, + config: config, + morphStyle: config.morphStyle, + ignoreActive: config.ignoreActive, + ignoreActiveValue: config.ignoreActiveValue, + idMap: createIdMap(oldNode, newContent), + deadIds: new Set(), + callbacks: config.callbacks, + head: config.head } } - } -} -class History { - constructor(delegate) { - this.restorationIdentifier = uuid(); - this.restorationData = {}; - this.started = false; - this.pageLoaded = false; - this.onPopState = (event) => { - if (this.shouldHandlePopState()) { - const { turbo } = event.state || {}; - if (turbo) { - this.location = new URL(window.location.href); - const { restorationIdentifier } = turbo; - this.restorationIdentifier = restorationIdentifier; - this.delegate.historyPoppedToLocationWithRestorationIdentifier(this.location, restorationIdentifier); + function isIdSetMatch(node1, node2, ctx) { + if (node1 == null || node2 == null) { + return false; + } + if (node1.nodeType === node2.nodeType && node1.tagName === node2.tagName) { + if (node1.id !== "" && node1.id === node2.id) { + return true; + } else { + return getIdIntersectionCount(ctx, node1, node2) > 0; } } - }; - this.onPageLoad = async (_event) => { - await nextMicrotask(); - this.pageLoaded = true; - }; - this.delegate = delegate; - } - start() { - if (!this.started) { - addEventListener("popstate", this.onPopState, false); - addEventListener("load", this.onPageLoad, false); - this.started = true; - this.replace(new URL(window.location.href)); + return false; } - } - stop() { - if (this.started) { - removeEventListener("popstate", this.onPopState, false); - removeEventListener("load", this.onPageLoad, false); - this.started = false; + + function isSoftMatch(node1, node2) { + if (node1 == null || node2 == null) { + return false; + } + return node1.nodeType === node2.nodeType && node1.tagName === node2.tagName } - } - push(location, restorationIdentifier) { - this.update(history.pushState, location, restorationIdentifier); - } - replace(location, restorationIdentifier) { - this.update(history.replaceState, location, restorationIdentifier); - } - update(method, location, restorationIdentifier = uuid()) { - const state = { turbo: { restorationIdentifier } }; - method.call(history, state, "", location.href); - this.location = location; - this.restorationIdentifier = restorationIdentifier; - } - getRestorationDataForIdentifier(restorationIdentifier) { - return this.restorationData[restorationIdentifier] || {}; - } - updateRestorationData(additionalData) { - const { restorationIdentifier } = this; - const restorationData = this.restorationData[restorationIdentifier]; - this.restorationData[restorationIdentifier] = Object.assign(Object.assign({}, restorationData), additionalData); - } - assumeControlOfScrollRestoration() { - var _a; - if (!this.previousScrollRestoration) { - this.previousScrollRestoration = (_a = history.scrollRestoration) !== null && _a !== void 0 ? _a : "auto"; - history.scrollRestoration = "manual"; + + function removeNodesBetween(startInclusive, endExclusive, ctx) { + while (startInclusive !== endExclusive) { + let tempNode = startInclusive; + startInclusive = startInclusive.nextSibling; + removeNode(tempNode, ctx); + } + removeIdsFromConsideration(ctx, endExclusive); + return endExclusive.nextSibling; } - } - relinquishControlOfScrollRestoration() { - if (this.previousScrollRestoration) { - history.scrollRestoration = this.previousScrollRestoration; - delete this.previousScrollRestoration; + + //============================================================================= + // Scans forward from the insertionPoint in the old parent looking for a potential id match + // for the newChild. We stop if we find a potential id match for the new child OR + // if the number of potential id matches we are discarding is greater than the + // potential id matches for the new child + //============================================================================= + function findIdSetMatch(newContent, oldParent, newChild, insertionPoint, ctx) { + + // max id matches we are willing to discard in our search + let newChildPotentialIdCount = getIdIntersectionCount(ctx, newChild, oldParent); + + let potentialMatch = null; + + // only search forward if there is a possibility of an id match + if (newChildPotentialIdCount > 0) { + let potentialMatch = insertionPoint; + // if there is a possibility of an id match, scan forward + // keep track of the potential id match count we are discarding (the + // newChildPotentialIdCount must be greater than this to make it likely + // worth it) + let otherMatchCount = 0; + while (potentialMatch != null) { + + // If we have an id match, return the current potential match + if (isIdSetMatch(newChild, potentialMatch, ctx)) { + return potentialMatch; + } + + // computer the other potential matches of this new content + otherMatchCount += getIdIntersectionCount(ctx, potentialMatch, newContent); + if (otherMatchCount > newChildPotentialIdCount) { + // if we have more potential id matches in _other_ content, we + // do not have a good candidate for an id match, so return null + return null; + } + + // advanced to the next old content child + potentialMatch = potentialMatch.nextSibling; + } + } + return potentialMatch; } - } - shouldHandlePopState() { - return this.pageIsLoaded(); - } - pageIsLoaded() { - return this.pageLoaded || document.readyState == "complete"; - } -} -class Navigator { - constructor(delegate) { - this.delegate = delegate; - } - proposeVisit(location, options = {}) { - if (this.delegate.allowsVisitingLocationWithAction(location, options.action)) { - if (locationIsVisitable(location, this.view.snapshot.rootLocation)) { - this.delegate.visitProposedToLocation(location, options); - } - else { - window.location.href = location.toString(); + //============================================================================= + // Scans forward from the insertionPoint in the old parent looking for a potential soft match + // for the newChild. We stop if we find a potential soft match for the new child OR + // if we find a potential id match in the old parents children OR if we find two + // potential soft matches for the next two pieces of new content + //============================================================================= + function findSoftMatch(newContent, oldParent, newChild, insertionPoint, ctx) { + + let potentialSoftMatch = insertionPoint; + let nextSibling = newChild.nextSibling; + let siblingSoftMatchCount = 0; + + while (potentialSoftMatch != null) { + + if (getIdIntersectionCount(ctx, potentialSoftMatch, newContent) > 0) { + // the current potential soft match has a potential id set match with the remaining new + // content so bail out of looking + return null; + } + + // if we have a soft match with the current node, return it + if (isSoftMatch(newChild, potentialSoftMatch)) { + return potentialSoftMatch; + } + + if (isSoftMatch(nextSibling, potentialSoftMatch)) { + // the next new node has a soft match with this node, so + // increment the count of future soft matches + siblingSoftMatchCount++; + nextSibling = nextSibling.nextSibling; + + // If there are two future soft matches, bail to allow the siblings to soft match + // so that we don''t consume future soft matches for the sake of the current node + if (siblingSoftMatchCount >= 2) { + return null; + } + } + + // advanced to the next old content child + potentialSoftMatch = potentialSoftMatch.nextSibling; } + + return potentialSoftMatch; } - } - startVisit(locatable, restorationIdentifier, options = {}) { - this.stop(); - this.currentVisit = new Visit(this, expandURL(locatable), restorationIdentifier, Object.assign({ referrer: this.location }, options)); - this.currentVisit.start(); - } - submitForm(form, submitter) { - this.stop(); - this.formSubmission = new FormSubmission(this, form, submitter, true); - this.formSubmission.start(); - } - stop() { - if (this.formSubmission) { - this.formSubmission.stop(); - delete this.formSubmission; - } - if (this.currentVisit) { - this.currentVisit.cancel(); - delete this.currentVisit; - } - } - get adapter() { - return this.delegate.adapter; - } - get view() { - return this.delegate.view; - } - get history() { - return this.delegate.history; - } - formSubmissionStarted(formSubmission) { - if (typeof this.adapter.formSubmissionStarted === "function") { - this.adapter.formSubmissionStarted(formSubmission); - } - } - async formSubmissionSucceededWithResponse(formSubmission, fetchResponse) { - if (formSubmission == this.formSubmission) { - const responseHTML = await fetchResponse.responseHTML; - if (responseHTML) { - const shouldCacheSnapshot = formSubmission.isSafe; - if (!shouldCacheSnapshot) { - this.view.clearSnapshotCache(); + + function parseContent(newContent) { + let parser = new DOMParser(); + + // remove svgs to avoid false-positive matches on head, etc. + let contentWithSvgsRemoved = newContent.replace(/]*>|>)([\s\S]*?)<\/svg>/gim, ''''); + + // if the newContent contains a html, head or body tag, we can simply parse it w/o wrapping + if (contentWithSvgsRemoved.match(/<\/html>/) || contentWithSvgsRemoved.match(/<\/head>/) || contentWithSvgsRemoved.match(/<\/body>/)) { + let content = parser.parseFromString(newContent, "text/html"); + // if it is a full HTML document, return the document itself as the parent container + if (contentWithSvgsRemoved.match(/<\/html>/)) { + content.generatedByIdiomorph = true; + return content; + } else { + // otherwise return the html element as the parent container + let htmlElement = content.firstChild; + if (htmlElement) { + htmlElement.generatedByIdiomorph = true; + return htmlElement; + } else { + return null; + } } - const { statusCode, redirected } = fetchResponse; - const action = this.getActionForFormSubmission(formSubmission); - const visitOptions = { - action, - shouldCacheSnapshot, - response: { statusCode, responseHTML, redirected }, - }; - this.proposeVisit(fetchResponse.location, visitOptions); + } else { + // if it is partial HTML, wrap it in a template tag to provide a parent element and also to help + // deal with touchy tags like tr, tbody, etc. + let responseDoc = parser.parseFromString("", "text/html"); + let content = responseDoc.body.querySelector(''template'').content; + content.generatedByIdiomorph = true; + return content } } - } - async formSubmissionFailedWithResponse(formSubmission, fetchResponse) { - const responseHTML = await fetchResponse.responseHTML; - if (responseHTML) { - const snapshot = PageSnapshot.fromHTMLString(responseHTML); - if (fetchResponse.serverError) { - await this.view.renderError(snapshot, this.currentVisit); - } - else { - await this.view.renderPage(snapshot, false, true, this.currentVisit); + + function normalizeContent(newContent) { + if (newContent == null) { + // noinspection UnnecessaryLocalVariableJS + const dummyParent = document.createElement(''div''); + return dummyParent; + } else if (newContent.generatedByIdiomorph) { + // the template tag created by idiomorph parsing can serve as a dummy parent + return newContent; + } else if (newContent instanceof Node) { + // a single node is added as a child to a dummy parent + const dummyParent = document.createElement(''div''); + dummyParent.append(newContent); + return dummyParent; + } else { + // all nodes in the array or HTMLElement collection are consolidated under + // a single dummy parent element + const dummyParent = document.createElement(''div''); + for (const elt of [...newContent]) { + dummyParent.append(elt); + } + return dummyParent; } - this.view.scrollToTop(); - this.view.clearSnapshotCache(); - } - } - formSubmissionErrored(formSubmission, error) { - console.error(error); - } - formSubmissionFinished(formSubmission) { - if (typeof this.adapter.formSubmissionFinished === "function") { - this.adapter.formSubmissionFinished(formSubmission); } - } - visitStarted(visit) { - this.delegate.visitStarted(visit); - } - visitCompleted(visit) { - this.delegate.visitCompleted(visit); - } - locationWithActionIsSamePage(location, action) { - const anchor = getAnchor(location); - const currentAnchor = getAnchor(this.view.lastRenderedLocation); - const isRestorationToTop = action === "restore" && typeof anchor === "undefined"; - return (action !== "replace" && - getRequestURL(location) === getRequestURL(this.view.lastRenderedLocation) && - (isRestorationToTop || (anchor != null && anchor !== currentAnchor))); - } - visitScrolledToSamePageLocation(oldURL, newURL) { - this.delegate.visitScrolledToSamePageLocation(oldURL, newURL); - } - get location() { - return this.history.location; - } - get restorationIdentifier() { - return this.history.restorationIdentifier; - } - getActionForFormSubmission({ submitter, formElement }) { - return getVisitAction(submitter, formElement) || "advance"; - } -} -var PageStage; -(function (PageStage) { - PageStage[PageStage["initial"] = 0] = "initial"; - PageStage[PageStage["loading"] = 1] = "loading"; - PageStage[PageStage["interactive"] = 2] = "interactive"; - PageStage[PageStage["complete"] = 3] = "complete"; -})(PageStage || (PageStage = {})); -class PageObserver { - constructor(delegate) { - this.stage = PageStage.initial; - this.started = false; - this.interpretReadyState = () => { - const { readyState } = this; - if (readyState == "interactive") { - this.pageIsInteractive(); + function insertSiblings(previousSibling, morphedNode, nextSibling) { + let stack = []; + let added = []; + while (previousSibling != null) { + stack.push(previousSibling); + previousSibling = previousSibling.previousSibling; } - else if (readyState == "complete") { - this.pageIsComplete(); + while (stack.length > 0) { + let node = stack.pop(); + added.push(node); // push added preceding siblings on in order and insert + morphedNode.parentElement.insertBefore(node, morphedNode); } - }; - this.pageWillUnload = () => { - this.delegate.pageWillUnload(); - }; - this.delegate = delegate; - } - start() { - if (!this.started) { - if (this.stage == PageStage.initial) { - this.stage = PageStage.loading; + added.push(morphedNode); + while (nextSibling != null) { + stack.push(nextSibling); + added.push(nextSibling); // here we are going in order, so push on as we scan, rather than add + nextSibling = nextSibling.nextSibling; + } + while (stack.length > 0) { + morphedNode.parentElement.insertBefore(stack.pop(), morphedNode.nextSibling); } - document.addEventListener("readystatechange", this.interpretReadyState, false); - addEventListener("pagehide", this.pageWillUnload, false); - this.started = true; + return added; } - } - stop() { - if (this.started) { - document.removeEventListener("readystatechange", this.interpretReadyState, false); - removeEventListener("pagehide", this.pageWillUnload, false); - this.started = false; + + function findBestNodeMatch(newContent, oldNode, ctx) { + let currentElement; + currentElement = newContent.firstChild; + let bestElement = currentElement; + let score = 0; + while (currentElement) { + let newScore = scoreElement(currentElement, oldNode, ctx); + if (newScore > score) { + bestElement = currentElement; + score = newScore; + } + currentElement = currentElement.nextSibling; + } + return bestElement; } - } - pageIsInteractive() { - if (this.stage == PageStage.loading) { - this.stage = PageStage.interactive; - this.delegate.pageBecameInteractive(); + + function scoreElement(node1, node2, ctx) { + if (isSoftMatch(node1, node2)) { + return .5 + getIdIntersectionCount(ctx, node1, node2); + } + return 0; } - } - pageIsComplete() { - this.pageIsInteractive(); - if (this.stage == PageStage.interactive) { - this.stage = PageStage.complete; - this.delegate.pageLoaded(); + + function removeNode(tempNode, ctx) { + removeIdsFromConsideration(ctx, tempNode); + if (ctx.callbacks.beforeNodeRemoved(tempNode) === false) return; + + tempNode.remove(); + ctx.callbacks.afterNodeRemoved(tempNode); } - } - get readyState() { - return document.readyState; - } -} -class ScrollObserver { - constructor(delegate) { - this.started = false; - this.onScroll = () => { - this.updatePosition({ x: window.pageXOffset, y: window.pageYOffset }); - }; - this.delegate = delegate; - } - start() { - if (!this.started) { - addEventListener("scroll", this.onScroll, false); - this.onScroll(); - this.started = true; + //============================================================================= + // ID Set Functions + //============================================================================= + + function isIdInConsideration(ctx, id) { + return !ctx.deadIds.has(id); } - } - stop() { - if (this.started) { - removeEventListener("scroll", this.onScroll, false); - this.started = false; + + function idIsWithinNode(ctx, id, targetNode) { + let idSet = ctx.idMap.get(targetNode) || EMPTY_SET; + return idSet.has(id); } - } - updatePosition(position) { - this.delegate.scrollPositionChanged(position); - } -} -class StreamMessageRenderer { - render({ fragment }) { - Bardo.preservingPermanentElements(this, getPermanentElementMapForFragment(fragment), () => document.documentElement.appendChild(fragment)); - } - enteringBardo(currentPermanentElement, newPermanentElement) { - newPermanentElement.replaceWith(currentPermanentElement.cloneNode(true)); - } - leavingBardo() { } -} -function getPermanentElementMapForFragment(fragment) { - const permanentElementsInDocument = queryPermanentElementsAll(document.documentElement); - const permanentElementMap = {}; - for (const permanentElementInDocument of permanentElementsInDocument) { - const { id } = permanentElementInDocument; - for (const streamElement of fragment.querySelectorAll("turbo-stream")) { - const elementInStream = getPermanentElementById(streamElement.templateElement.content, id); - if (elementInStream) { - permanentElementMap[id] = [permanentElementInDocument, elementInStream]; + function removeIdsFromConsideration(ctx, node) { + let idSet = ctx.idMap.get(node) || EMPTY_SET; + for (const id of idSet) { + ctx.deadIds.add(id); } } - } - return permanentElementMap; -} -class StreamObserver { - constructor(delegate) { - this.sources = new Set(); - this.started = false; - this.inspectFetchResponse = ((event) => { - const response = fetchResponseFromEvent(event); - if (response && fetchResponseIsStream(response)) { - event.preventDefault(); - this.receiveMessageResponse(response); - } - }); - this.receiveMessageEvent = (event) => { - if (this.started && typeof event.data == "string") { - this.receiveMessageHTML(event.data); + function getIdIntersectionCount(ctx, node1, node2) { + let sourceSet = ctx.idMap.get(node1) || EMPTY_SET; + let matchCount = 0; + for (const id of sourceSet) { + // a potential match is an id in the source and potentialIdsSet, but + // that has not already been merged into the DOM + if (isIdInConsideration(ctx, id) && idIsWithinNode(ctx, id, node2)) { + ++matchCount; + } } - }; - this.delegate = delegate; - } - start() { - if (!this.started) { - this.started = true; - addEventListener("turbo:before-fetch-response", this.inspectFetchResponse, false); - } - } - stop() { - if (this.started) { - this.started = false; - removeEventListener("turbo:before-fetch-response", this.inspectFetchResponse, false); - } - } - connectStreamSource(source) { - if (!this.streamSourceIsConnected(source)) { - this.sources.add(source); - source.addEventListener("message", this.receiveMessageEvent, false); + return matchCount; } - } - disconnectStreamSource(source) { - if (this.streamSourceIsConnected(source)) { - this.sources.delete(source); - source.removeEventListener("message", this.receiveMessageEvent, false); - } - } - streamSourceIsConnected(source) { - return this.sources.has(source); - } - async receiveMessageResponse(response) { - const html = await response.responseHTML; - if (html) { - this.receiveMessageHTML(html); - } - } - receiveMessageHTML(html) { - this.delegate.receivedMessageFromStream(StreamMessage.wrap(html)); - } -} -function fetchResponseFromEvent(event) { - var _a; - const fetchResponse = (_a = event.detail) === null || _a === void 0 ? void 0 : _a.fetchResponse; - if (fetchResponse instanceof FetchResponse) { - return fetchResponse; - } -} -function fetchResponseIsStream(response) { - var _a; - const contentType = (_a = response.contentType) !== null && _a !== void 0 ? _a : ""; - return contentType.startsWith(StreamMessage.contentType); -} -class ErrorRenderer extends Renderer { - static renderElement(currentElement, newElement) { - const { documentElement, body } = document; - documentElement.replaceChild(newElement, body); - } - async render() { - this.replaceHeadAndBody(); - this.activateScriptElements(); - } - replaceHeadAndBody() { - const { documentElement, head } = document; - documentElement.replaceChild(this.newHead, head); - this.renderElement(this.currentElement, this.newElement); - } - activateScriptElements() { - for (const replaceableElement of this.scriptElements) { - const parentNode = replaceableElement.parentNode; - if (parentNode) { - const element = activateScriptElement(replaceableElement); - parentNode.replaceChild(element, replaceableElement); + /** + * A bottom up algorithm that finds all elements with ids inside of the node + * argument and populates id sets for those nodes and all their parents, generating + * a set of ids contained within all nodes for the entire hierarchy in the DOM + * + * @param node {Element} + * @param {Map>} idMap + */ + function populateIdMapForNode(node, idMap) { + let nodeParent = node.parentElement; + // find all elements with an id property + let idElements = node.querySelectorAll(''[id]''); + for (const elt of idElements) { + let current = elt; + // walk up the parent hierarchy of that element, adding the id + // of element to the parent''s id set + while (current !== nodeParent && current != null) { + let idSet = idMap.get(current); + // if the id set doesn''t exist, create it and insert it in the map + if (idSet == null) { + idSet = new Set(); + idMap.set(current, idSet); + } + idSet.add(elt.id); + current = current.parentElement; + } } } - } - get newHead() { - return this.newSnapshot.headSnapshot.element; - } - get scriptElements() { - return document.documentElement.querySelectorAll("script"); - } -} -class PageRenderer extends Renderer { - static renderElement(currentElement, newElement) { - if (document.body && newElement instanceof HTMLBodyElement) { - document.body.replaceWith(newElement); - } - else { - document.documentElement.appendChild(newElement); - } - } - get shouldRender() { - return this.newSnapshot.isVisitable && this.trackedElementsAreIdentical; - } - get reloadReason() { - if (!this.newSnapshot.isVisitable) { - return { - reason: "turbo_visit_control_is_reload", - }; + /** + * This function computes a map of nodes to all ids contained within that node (inclusive of the + * node). This map can be used to ask if two nodes have intersecting sets of ids, which allows + * for a looser definition of "matching" than tradition id matching, and allows child nodes + * to contribute to a parent nodes matching. + * + * @param {Element} oldContent the old content that will be morphed + * @param {Element} newContent the new content to morph to + * @returns {Map>} a map of nodes to id sets for the + */ + function createIdMap(oldContent, newContent) { + let idMap = new Map(); + populateIdMapForNode(oldContent, idMap); + populateIdMapForNode(newContent, idMap); + return idMap; } - if (!this.trackedElementsAreIdentical) { - return { - reason: "tracked_element_mismatch", - }; + + //============================================================================= + // This is what ends up becoming the Idiomorph global object + //============================================================================= + return { + morph, + defaults } + })(); + +class PageRenderer extends Renderer { + static renderElement(currentElement, newElement) { + if (document.body && newElement instanceof HTMLBodyElement) { + document.body.replaceWith(newElement); + } else { + document.documentElement.appendChild(newElement); } - async prepareToRender() { - await this.mergeHead(); + } + + get shouldRender() { + return this.newSnapshot.isVisitable && this.trackedElementsAreIdentical + } + + get reloadReason() { + if (!this.newSnapshot.isVisitable) { + return { + reason: "turbo_visit_control_is_reload" + } } - async render() { - if (this.willRender) { - await this.replaceBody(); - } + + if (!this.trackedElementsAreIdentical) { + return { + reason: "tracked_element_mismatch" + } } - finishRendering() { - super.finishRendering(); - if (!this.isPreview) { - this.focusFirstAutofocusableElement(); - } + } + + async prepareToRender() { + this.#setLanguage(); + await this.mergeHead(); + } + + async render() { + if (this.willRender) { + await this.replaceBody(); } - get currentHeadSnapshot() { - return this.currentSnapshot.headSnapshot; + } + + finishRendering() { + super.finishRendering(); + if (!this.isPreview) { + this.focusFirstAutofocusableElement(); } - get newHeadSnapshot() { - return this.newSnapshot.headSnapshot; + } + + get currentHeadSnapshot() { + return this.currentSnapshot.headSnapshot + } + + get newHeadSnapshot() { + return this.newSnapshot.headSnapshot + } + + get newElement() { + return this.newSnapshot.element + } + + #setLanguage() { + const { documentElement } = this.currentSnapshot; + const { lang } = this.newSnapshot; + + if (lang) { + documentElement.setAttribute("lang", lang); + } else { + documentElement.removeAttribute("lang"); } - get newElement() { - return this.newSnapshot.element; + } + + async mergeHead() { + const mergedHeadElements = this.mergeProvisionalElements(); + const newStylesheetElements = this.copyNewHeadStylesheetElements(); + this.copyNewHeadScriptElements(); + + await mergedHeadElements; + await newStylesheetElements; + + if (this.willRender) { + this.removeUnusedDynamicStylesheetElements(); } - async mergeHead() { - const mergedHeadElements = this.mergeProvisionalElements(); - const newStylesheetElements = this.copyNewHeadStylesheetElements(); - this.copyNewHeadScriptElements(); - await mergedHeadElements; - await newStylesheetElements; + } + + async replaceBody() { + await this.preservingPermanentElements(async () => { + this.activateNewBody(); + await this.assignNewBody(); + }); + } + + get trackedElementsAreIdentical() { + return this.currentHeadSnapshot.trackedElementSignature == this.newHeadSnapshot.trackedElementSignature + } + + async copyNewHeadStylesheetElements() { + const loadingElements = []; + + for (const element of this.newHeadStylesheetElements) { + loadingElements.push(waitForLoad(element)); + + document.head.appendChild(element); } - async replaceBody() { - await this.preservingPermanentElements(async () => { - this.activateNewBody(); - await this.assignNewBody(); - }); + + await Promise.all(loadingElements); + } + + copyNewHeadScriptElements() { + for (const element of this.newHeadScriptElements) { + document.head.appendChild(activateScriptElement(element)); } - get trackedElementsAreIdentical() { - return this.currentHeadSnapshot.trackedElementSignature == this.newHeadSnapshot.trackedElementSignature; + } + + removeUnusedDynamicStylesheetElements() { + for (const element of this.unusedDynamicStylesheetElements) { + document.head.removeChild(element); } - async copyNewHeadStylesheetElements() { - const loadingElements = []; - for (const element of this.newHeadStylesheetElements) { - loadingElements.push(waitForLoad(element)); - document.head.appendChild(element); - } - await Promise.all(loadingElements); + } + + async mergeProvisionalElements() { + const newHeadElements = [...this.newHeadProvisionalElements]; + + for (const element of this.currentHeadProvisionalElements) { + if (!this.isCurrentElementInElementList(element, newHeadElements)) { + document.head.removeChild(element); + } } - copyNewHeadScriptElements() { - for (const element of this.newHeadScriptElements) { - document.head.appendChild(activateScriptElement(element)); - } + + for (const element of newHeadElements) { + document.head.appendChild(element); } - async mergeProvisionalElements() { - const newHeadElements = [...this.newHeadProvisionalElements]; - for (const element of this.currentHeadProvisionalElements) { - if (!this.isCurrentElementInElementList(element, newHeadElements)) { - document.head.removeChild(element); - } + } + + isCurrentElementInElementList(element, elementList) { + for (const [index, newElement] of elementList.entries()) { + // if title element... + if (element.tagName == "TITLE") { + if (newElement.tagName != "TITLE") { + continue } - for (const element of newHeadElements) { - document.head.appendChild(element); + if (element.innerHTML == newElement.innerHTML) { + elementList.splice(index, 1); + return true } + } + + // if any other element... + if (newElement.isEqualNode(element)) { + elementList.splice(index, 1); + return true + } } - isCurrentElementInElementList(element, elementList) { - for (const [index, newElement] of elementList.entries()) { - if (element.tagName == "TITLE") { - if (newElement.tagName != "TITLE") { - continue; - } - if (element.innerHTML == newElement.innerHTML) { - elementList.splice(index, 1); - return true; - } - } - if (newElement.isEqualNode(element)) { - elementList.splice(index, 1); - return true; - } - } - return false; + + return false + } + + removeCurrentHeadProvisionalElements() { + for (const element of this.currentHeadProvisionalElements) { + document.head.removeChild(element); } - removeCurrentHeadProvisionalElements() { - for (const element of this.currentHeadProvisionalElements) { - document.head.removeChild(element); - } + } + + copyNewHeadProvisionalElements() { + for (const element of this.newHeadProvisionalElements) { + document.head.appendChild(element); } - copyNewHeadProvisionalElements() { - for (const element of this.newHeadProvisionalElements) { - document.head.appendChild(element); - } + } + + activateNewBody() { + document.adoptNode(this.newElement); + this.activateNewBodyScriptElements(); + } + + activateNewBodyScriptElements() { + for (const inertScriptElement of this.newBodyScriptElements) { + const activatedScriptElement = activateScriptElement(inertScriptElement); + inertScriptElement.replaceWith(activatedScriptElement); } - activateNewBody() { - document.adoptNode(this.newElement); - this.activateNewBodyScriptElements(); + } + + async assignNewBody() { + await this.renderElement(this.currentElement, this.newElement); + } + + get unusedDynamicStylesheetElements() { + return this.oldHeadStylesheetElements.filter((element) => { + return element.getAttribute("data-turbo-track") === "dynamic" + }) + } + + get oldHeadStylesheetElements() { + return this.currentHeadSnapshot.getStylesheetElementsNotInSnapshot(this.newHeadSnapshot) + } + + get newHeadStylesheetElements() { + return this.newHeadSnapshot.getStylesheetElementsNotInSnapshot(this.currentHeadSnapshot) + } + + get newHeadScriptElements() { + return this.newHeadSnapshot.getScriptElementsNotInSnapshot(this.currentHeadSnapshot) + } + + get currentHeadProvisionalElements() { + return this.currentHeadSnapshot.provisionalElements + } + + get newHeadProvisionalElements() { + return this.newHeadSnapshot.provisionalElements + } + + get newBodyScriptElements() { + return this.newElement.querySelectorAll("script") + } +} + +class MorphRenderer extends PageRenderer { + async render() { + if (this.willRender) await this.#morphBody(); + } + + get renderMethod() { + return "morph" + } + + // Private + + async #morphBody() { + this.#morphElements(this.currentElement, this.newElement); + this.#reloadRemoteFrames(); + + dispatch("turbo:morph", { + detail: { + currentElement: this.currentElement, + newElement: this.newElement + } + }); + } + + #morphElements(currentElement, newElement, morphStyle = "outerHTML") { + this.isMorphingTurboFrame = this.#isFrameReloadedWithMorph(currentElement); + + Idiomorph.morph(currentElement, newElement, { + morphStyle: morphStyle, + callbacks: { + beforeNodeAdded: this.#shouldAddElement, + beforeNodeMorphed: this.#shouldMorphElement, + beforeAttributeUpdated: this.#shouldUpdateAttribute, + beforeNodeRemoved: this.#shouldRemoveElement, + afterNodeMorphed: this.#didMorphElement + } + }); + } + + #shouldAddElement = (node) => { + return !(node.id && node.hasAttribute("data-turbo-permanent") && document.getElementById(node.id)) + } + + #shouldMorphElement = (oldNode, newNode) => { + if (oldNode instanceof HTMLElement) { + if (!oldNode.hasAttribute("data-turbo-permanent") && (this.isMorphingTurboFrame || !this.#isFrameReloadedWithMorph(oldNode))) { + const event = dispatch("turbo:before-morph-element", { + cancelable: true, + target: oldNode, + detail: { + newElement: newNode + } + }); + + return !event.defaultPrevented + } else { + return false + } } - activateNewBodyScriptElements() { - for (const inertScriptElement of this.newBodyScriptElements) { - const activatedScriptElement = activateScriptElement(inertScriptElement); - inertScriptElement.replaceWith(activatedScriptElement); + } + + #shouldUpdateAttribute = (attributeName, target, mutationType) => { + const event = dispatch("turbo:before-morph-attribute", { cancelable: true, target, detail: { attributeName, mutationType } }); + + return !event.defaultPrevented + } + + #didMorphElement = (oldNode, newNode) => { + if (newNode instanceof HTMLElement) { + dispatch("turbo:morph-element", { + target: oldNode, + detail: { + newElement: newNode } + }); } - async assignNewBody() { - await this.renderElement(this.currentElement, this.newElement); - } - get newHeadStylesheetElements() { - return this.newHeadSnapshot.getStylesheetElementsNotInSnapshot(this.currentHeadSnapshot); - } - get newHeadScriptElements() { - return this.newHeadSnapshot.getScriptElementsNotInSnapshot(this.currentHeadSnapshot); - } - get currentHeadProvisionalElements() { - return this.currentHeadSnapshot.provisionalElements; - } - get newHeadProvisionalElements() { - return this.newHeadSnapshot.provisionalElements; - } - get newBodyScriptElements() { - return this.newElement.querySelectorAll("script"); - } + } + + #shouldRemoveElement = (node) => { + return this.#shouldMorphElement(node) + } + + #reloadRemoteFrames() { + this.#remoteFrames().forEach((frame) => { + if (this.#isFrameReloadedWithMorph(frame)) { + this.#renderFrameWithMorph(frame); + frame.reload(); + } + }); + } + + #renderFrameWithMorph(frame) { + frame.addEventListener("turbo:before-frame-render", (event) => { + event.detail.render = this.#morphFrameUpdate; + }, { once: true }); + } + + #morphFrameUpdate = (currentElement, newElement) => { + dispatch("turbo:before-frame-morph", { + target: currentElement, + detail: { currentElement, newElement } + }); + this.#morphElements(currentElement, newElement.children, "innerHTML"); + } + + #isFrameReloadedWithMorph(element) { + return element.src && element.refresh === "morph" + } + + #remoteFrames() { + return Array.from(document.querySelectorAll(''turbo-frame[src]'')).filter(frame => { + return !frame.closest(''[data-turbo-permanent]'') + }) + } } class SnapshotCache { - constructor(size) { - this.keys = []; - this.snapshots = {}; - this.size = size; - } - has(location) { - return toCacheKey(location) in this.snapshots; - } - get(location) { - if (this.has(location)) { - const snapshot = this.read(location); - this.touch(location); - return snapshot; - } - } - put(location, snapshot) { - this.write(location, snapshot); - this.touch(location); - return snapshot; - } - clear() { - this.snapshots = {}; - } - read(location) { - return this.snapshots[toCacheKey(location)]; - } - write(location, snapshot) { - this.snapshots[toCacheKey(location)] = snapshot; - } - touch(location) { - const key = toCacheKey(location); - const index = this.keys.indexOf(key); - if (index > -1) - this.keys.splice(index, 1); - this.keys.unshift(key); - this.trim(); + keys = [] + snapshots = {} + + constructor(size) { + this.size = size; + } + + has(location) { + return toCacheKey(location) in this.snapshots + } + + get(location) { + if (this.has(location)) { + const snapshot = this.read(location); + this.touch(location); + return snapshot } - trim() { - for (const key of this.keys.splice(this.size)) { - delete this.snapshots[key]; - } + } + + put(location, snapshot) { + this.write(location, snapshot); + this.touch(location); + return snapshot + } + + clear() { + this.snapshots = {}; + } + + // Private + + read(location) { + return this.snapshots[toCacheKey(location)] + } + + write(location, snapshot) { + this.snapshots[toCacheKey(location)] = snapshot; + } + + touch(location) { + const key = toCacheKey(location); + const index = this.keys.indexOf(key); + if (index > -1) this.keys.splice(index, 1); + this.keys.unshift(key); + this.trim(); + } + + trim() { + for (const key of this.keys.splice(this.size)) { + delete this.snapshots[key]; } + } } class PageView extends View { - constructor() { - super(...arguments); - this.snapshotCache = new SnapshotCache(10); - this.lastRenderedLocation = new URL(location.href); - this.forceReloaded = false; - } - renderPage(snapshot, isPreview = false, willRender = true, visit) { - const renderer = new PageRenderer(this.snapshot, snapshot, PageRenderer.renderElement, isPreview, willRender); - if (!renderer.shouldRender) { - this.forceReloaded = true; - } - else { - visit === null || visit === void 0 ? void 0 : visit.changeHistory(); - } - return this.render(renderer); - } - renderError(snapshot, visit) { - visit === null || visit === void 0 ? void 0 : visit.changeHistory(); - const renderer = new ErrorRenderer(this.snapshot, snapshot, ErrorRenderer.renderElement, false); - return this.render(renderer); - } - clearSnapshotCache() { - this.snapshotCache.clear(); - } - async cacheSnapshot(snapshot = this.snapshot) { - if (snapshot.isCacheable) { - this.delegate.viewWillCacheSnapshot(); - const { lastRenderedLocation: location } = this; - await nextEventLoopTick(); - const cachedSnapshot = snapshot.clone(); - this.snapshotCache.put(location, cachedSnapshot); - return cachedSnapshot; - } - } - getCachedSnapshotForLocation(location) { - return this.snapshotCache.get(location); + snapshotCache = new SnapshotCache(10) + lastRenderedLocation = new URL(location.href) + forceReloaded = false + + shouldTransitionTo(newSnapshot) { + return this.snapshot.prefersViewTransitions && newSnapshot.prefersViewTransitions + } + + renderPage(snapshot, isPreview = false, willRender = true, visit) { + const shouldMorphPage = this.isPageRefresh(visit) && this.snapshot.shouldMorphPage; + const rendererClass = shouldMorphPage ? MorphRenderer : PageRenderer; + + const renderer = new rendererClass(this.snapshot, snapshot, PageRenderer.renderElement, isPreview, willRender); + + if (!renderer.shouldRender) { + this.forceReloaded = true; + } else { + visit?.changeHistory(); } - get snapshot() { - return PageSnapshot.fromElement(this.element); + + return this.render(renderer) + } + + renderError(snapshot, visit) { + visit?.changeHistory(); + const renderer = new ErrorRenderer(this.snapshot, snapshot, ErrorRenderer.renderElement, false); + return this.render(renderer) + } + + clearSnapshotCache() { + this.snapshotCache.clear(); + } + + async cacheSnapshot(snapshot = this.snapshot) { + if (snapshot.isCacheable) { + this.delegate.viewWillCacheSnapshot(); + const { lastRenderedLocation: location } = this; + await nextEventLoopTick(); + const cachedSnapshot = snapshot.clone(); + this.snapshotCache.put(location, cachedSnapshot); + return cachedSnapshot } + } + + getCachedSnapshotForLocation(location) { + return this.snapshotCache.get(location) + } + + isPageRefresh(visit) { + return !visit || (this.lastRenderedLocation.pathname === visit.location.pathname && visit.action === "replace") + } + + shouldPreserveScrollPosition(visit) { + return this.isPageRefresh(visit) && this.snapshot.shouldPreserveScrollPosition + } + + get snapshot() { + return PageSnapshot.fromElement(this.element) + } } class Preloader { - constructor(delegate) { - this.selector = "a[data-turbo-preload]"; - this.delegate = delegate; - } - get snapshotCache() { - return this.delegate.navigator.view.snapshotCache; - } - start() { - if (document.readyState === "loading") { - return document.addEventListener("DOMContentLoaded", () => { - this.preloadOnLoadLinksForView(document.body); - }); - } - else { - this.preloadOnLoadLinksForView(document.body); - } + selector = "a[data-turbo-preload]" + + constructor(delegate, snapshotCache) { + this.delegate = delegate; + this.snapshotCache = snapshotCache; + } + + start() { + if (document.readyState === "loading") { + document.addEventListener("DOMContentLoaded", this.#preloadAll); + } else { + this.preloadOnLoadLinksForView(document.body); } - preloadOnLoadLinksForView(element) { - for (const link of element.querySelectorAll(this.selector)) { - this.preloadURL(link); - } + } + + stop() { + document.removeEventListener("DOMContentLoaded", this.#preloadAll); + } + + preloadOnLoadLinksForView(element) { + for (const link of element.querySelectorAll(this.selector)) { + if (this.delegate.shouldPreloadLink(link)) { + this.preloadURL(link); + } } - async preloadURL(link) { - const location = new URL(link.href); - if (this.snapshotCache.has(location)) { - return; - } - try { - const response = await fetch(location.toString(), { headers: { "VND.PREFETCH": "true", Accept: "text/html" } }); - const responseText = await response.text(); - const snapshot = PageSnapshot.fromHTMLString(responseText); - this.snapshotCache.put(location, snapshot); - } - catch (_) { - } + } + + async preloadURL(link) { + const location = new URL(link.href); + + if (this.snapshotCache.has(location)) { + return } + + const fetchRequest = new FetchRequest(this, FetchMethod.get, location, new URLSearchParams(), link); + await fetchRequest.perform(); + } + + // Fetch request delegate + + prepareRequest(fetchRequest) { + fetchRequest.headers["X-Sec-Purpose"] = "prefetch"; + } + + async requestSucceededWithResponse(fetchRequest, fetchResponse) { + try { + const responseHTML = await fetchResponse.responseHTML; + const snapshot = PageSnapshot.fromHTMLString(responseHTML); + + this.snapshotCache.put(fetchRequest.url, snapshot); + } catch (_) { + // If we cannot preload that is ok! + } + } + + requestStarted(fetchRequest) {} + + requestErrored(fetchRequest) {} + + requestFinished(fetchRequest) {} + + requestPreventedHandlingResponse(fetchRequest, fetchResponse) {} + + requestFailedWithResponse(fetchRequest, fetchResponse) {} + + #preloadAll = () => { + this.preloadOnLoadLinksForView(document.body); + } +} + +class Cache { + constructor(session) { + this.session = session; + } + + clear() { + this.session.clearCache(); + } + + resetCacheControl() { + this.#setCacheControl(""); + } + + exemptPageFromCache() { + this.#setCacheControl("no-cache"); + } + + exemptPageFromPreview() { + this.#setCacheControl("no-preview"); + } + + #setCacheControl(value) { + setMetaContent("turbo-cache-control", value); + } } class Session { - constructor() { - this.navigator = new Navigator(this); - this.history = new History(this); - this.preloader = new Preloader(this); - this.view = new PageView(this, document.documentElement); - this.adapter = new BrowserAdapter(this); - this.pageObserver = new PageObserver(this); - this.cacheObserver = new CacheObserver(); - this.linkClickObserver = new LinkClickObserver(this, window); - this.formSubmitObserver = new FormSubmitObserver(this, document); - this.scrollObserver = new ScrollObserver(this); - this.streamObserver = new StreamObserver(this); - this.formLinkClickObserver = new FormLinkClickObserver(this, document.documentElement); - this.frameRedirector = new FrameRedirector(this, document.documentElement); - this.streamMessageRenderer = new StreamMessageRenderer(); - this.drive = true; - this.enabled = true; - this.progressBarDelay = 500; - this.started = false; - this.formMode = "on"; - } - start() { - if (!this.started) { - this.pageObserver.start(); - this.cacheObserver.start(); - this.formLinkClickObserver.start(); - this.linkClickObserver.start(); - this.formSubmitObserver.start(); - this.scrollObserver.start(); - this.streamObserver.start(); - this.frameRedirector.start(); - this.history.start(); - this.preloader.start(); - this.started = true; - this.enabled = true; - } - } - disable() { - this.enabled = false; - } - stop() { - if (this.started) { - this.pageObserver.stop(); - this.cacheObserver.stop(); - this.formLinkClickObserver.stop(); - this.linkClickObserver.stop(); - this.formSubmitObserver.stop(); - this.scrollObserver.stop(); - this.streamObserver.stop(); - this.frameRedirector.stop(); - this.history.stop(); - this.started = false; - } - } - registerAdapter(adapter) { - this.adapter = adapter; - } - visit(location, options = {}) { - const frameElement = options.frame ? document.getElementById(options.frame) : null; - if (frameElement instanceof FrameElement) { - frameElement.src = location.toString(); - frameElement.loaded; - } - else { - this.navigator.proposeVisit(expandURL(location), options); - } - } - connectStreamSource(source) { - this.streamObserver.connectStreamSource(source); - } - disconnectStreamSource(source) { - this.streamObserver.disconnectStreamSource(source); - } - renderStreamMessage(message) { - this.streamMessageRenderer.render(StreamMessage.wrap(message)); - } - clearCache() { - this.view.clearSnapshotCache(); - } - setProgressBarDelay(delay) { - this.progressBarDelay = delay; - } - setFormMode(mode) { - this.formMode = mode; - } - get location() { - return this.history.location; - } - get restorationIdentifier() { - return this.history.restorationIdentifier; - } - historyPoppedToLocationWithRestorationIdentifier(location, restorationIdentifier) { - if (this.enabled) { - this.navigator.startVisit(location, restorationIdentifier, { - action: "restore", - historyChanged: true, - }); - } - else { - this.adapter.pageInvalidated({ - reason: "turbo_disabled", - }); - } - } - scrollPositionChanged(position) { - this.history.updateRestorationData({ scrollPosition: position }); - } - willSubmitFormLinkToLocation(link, location) { - return this.elementIsNavigatable(link) && locationIsVisitable(location, this.snapshot.rootLocation); - } - submittedFormLinkToLocation() { } - willFollowLinkToLocation(link, location, event) { - return (this.elementIsNavigatable(link) && - locationIsVisitable(location, this.snapshot.rootLocation) && - this.applicationAllowsFollowingLinkToLocation(link, location, event)); - } - followedLinkToLocation(link, location) { - const action = this.getActionForLink(link); - const acceptsStreamResponse = link.hasAttribute("data-turbo-stream"); - this.visit(location.href, { action, acceptsStreamResponse }); - } - allowsVisitingLocationWithAction(location, action) { - return this.locationWithActionIsSamePage(location, action) || this.applicationAllowsVisitingLocation(location); - } - visitProposedToLocation(location, options) { - extendURLWithDeprecatedProperties(location); - this.adapter.visitProposedToLocation(location, options); - } - visitStarted(visit) { - if (!visit.acceptsStreamResponse) { - markAsBusy(document.documentElement); - } - extendURLWithDeprecatedProperties(visit.location); - if (!visit.silent) { - this.notifyApplicationAfterVisitingLocation(visit.location, visit.action); - } - } - visitCompleted(visit) { - clearBusyState(document.documentElement); - this.notifyApplicationAfterPageLoad(visit.getTimingMetrics()); - } - locationWithActionIsSamePage(location, action) { - return this.navigator.locationWithActionIsSamePage(location, action); - } - visitScrolledToSamePageLocation(oldURL, newURL) { - this.notifyApplicationAfterVisitingSamePageLocation(oldURL, newURL); - } - willSubmitForm(form, submitter) { - const action = getAction(form, submitter); - return (this.submissionIsNavigatable(form, submitter) && - locationIsVisitable(expandURL(action), this.snapshot.rootLocation)); - } - formSubmitted(form, submitter) { - this.navigator.submitForm(form, submitter); - } - pageBecameInteractive() { - this.view.lastRenderedLocation = this.location; - this.notifyApplicationAfterPageLoad(); - } - pageLoaded() { - this.history.assumeControlOfScrollRestoration(); - } - pageWillUnload() { - this.history.relinquishControlOfScrollRestoration(); - } - receivedMessageFromStream(message) { - this.renderStreamMessage(message); - } - viewWillCacheSnapshot() { - var _a; - if (!((_a = this.navigator.currentVisit) === null || _a === void 0 ? void 0 : _a.silent)) { - this.notifyApplicationBeforeCachingSnapshot(); - } - } - allowsImmediateRender({ element }, options) { - const event = this.notifyApplicationBeforeRender(element, options); - const { defaultPrevented, detail: { render }, } = event; - if (this.view.renderer && render) { - this.view.renderer.renderElement = render; - } - return !defaultPrevented; - } - viewRenderedSnapshot(_snapshot, _isPreview) { - this.view.lastRenderedLocation = this.history.location; - this.notifyApplicationAfterRender(); - } - preloadOnLoadLinksForView(element) { - this.preloader.preloadOnLoadLinksForView(element); - } - viewInvalidated(reason) { - this.adapter.pageInvalidated(reason); - } - frameLoaded(frame) { - this.notifyApplicationAfterFrameLoad(frame); - } - frameRendered(fetchResponse, frame) { - this.notifyApplicationAfterFrameRender(fetchResponse, frame); - } - applicationAllowsFollowingLinkToLocation(link, location, ev) { - const event = this.notifyApplicationAfterClickingLinkToLocation(link, location, ev); - return !event.defaultPrevented; - } - applicationAllowsVisitingLocation(location) { - const event = this.notifyApplicationBeforeVisitingLocation(location); - return !event.defaultPrevented; - } - notifyApplicationAfterClickingLinkToLocation(link, location, event) { - return dispatch("turbo:click", { - target: link, - detail: { url: location.href, originalEvent: event }, - cancelable: true, - }); - } - notifyApplicationBeforeVisitingLocation(location) { - return dispatch("turbo:before-visit", { - detail: { url: location.href }, - cancelable: true, - }); - } - notifyApplicationAfterVisitingLocation(location, action) { - return dispatch("turbo:visit", { detail: { url: location.href, action } }); - } - notifyApplicationBeforeCachingSnapshot() { - return dispatch("turbo:before-cache"); - } - notifyApplicationBeforeRender(newBody, options) { - return dispatch("turbo:before-render", { - detail: Object.assign({ newBody }, options), - cancelable: true, - }); - } - notifyApplicationAfterRender() { - return dispatch("turbo:render"); - } - notifyApplicationAfterPageLoad(timing = {}) { - return dispatch("turbo:load", { - detail: { url: this.location.href, timing }, - }); - } - notifyApplicationAfterVisitingSamePageLocation(oldURL, newURL) { - dispatchEvent(new HashChangeEvent("hashchange", { - oldURL: oldURL.toString(), - newURL: newURL.toString(), - })); - } - notifyApplicationAfterFrameLoad(frame) { - return dispatch("turbo:frame-load", { target: frame }); + navigator = new Navigator(this) + history = new History(this) + view = new PageView(this, document.documentElement) + adapter = new BrowserAdapter(this) + + pageObserver = new PageObserver(this) + cacheObserver = new CacheObserver() + linkPrefetchObserver = new LinkPrefetchObserver(this, document) + linkClickObserver = new LinkClickObserver(this, window) + formSubmitObserver = new FormSubmitObserver(this, document) + scrollObserver = new ScrollObserver(this) + streamObserver = new StreamObserver(this) + formLinkClickObserver = new FormLinkClickObserver(this, document.documentElement) + frameRedirector = new FrameRedirector(this, document.documentElement) + streamMessageRenderer = new StreamMessageRenderer() + cache = new Cache(this) + + drive = true + enabled = true + progressBarDelay = 500 + started = false + formMode = "on" + #pageRefreshDebouncePeriod = 150 + + constructor(recentRequests) { + this.recentRequests = recentRequests; + this.preloader = new Preloader(this, this.view.snapshotCache); + this.debouncedRefresh = this.refresh; + this.pageRefreshDebouncePeriod = this.pageRefreshDebouncePeriod; + } + + start() { + if (!this.started) { + this.pageObserver.start(); + this.cacheObserver.start(); + this.linkPrefetchObserver.start(); + this.formLinkClickObserver.start(); + this.linkClickObserver.start(); + this.formSubmitObserver.start(); + this.scrollObserver.start(); + this.streamObserver.start(); + this.frameRedirector.start(); + this.history.start(); + this.preloader.start(); + this.started = true; + this.enabled = true; } - notifyApplicationAfterFrameRender(fetchResponse, frame) { - return dispatch("turbo:frame-render", { - detail: { fetchResponse }, - target: frame, - cancelable: true, - }); + } + + disable() { + this.enabled = false; + } + + stop() { + if (this.started) { + this.pageObserver.stop(); + this.cacheObserver.stop(); + this.linkPrefetchObserver.stop(); + this.formLinkClickObserver.stop(); + this.linkClickObserver.stop(); + this.formSubmitObserver.stop(); + this.scrollObserver.stop(); + this.streamObserver.stop(); + this.frameRedirector.stop(); + this.history.stop(); + this.preloader.stop(); + this.started = false; } - submissionIsNavigatable(form, submitter) { - if (this.formMode == "off") { - return false; - } - else { - const submitterIsNavigatable = submitter ? this.elementIsNavigatable(submitter) : true; - if (this.formMode == "optin") { - return submitterIsNavigatable && form.closest(''[data-turbo="true"]'') != null; - } - else { - return submitterIsNavigatable && this.elementIsNavigatable(form); - } - } + } + + registerAdapter(adapter) { + this.adapter = adapter; + } + + visit(location, options = {}) { + const frameElement = options.frame ? document.getElementById(options.frame) : null; + + if (frameElement instanceof FrameElement) { + const action = options.action || getVisitAction(frameElement); + + frameElement.delegate.proposeVisitIfNavigatedWithAction(frameElement, action); + frameElement.src = location.toString(); + } else { + this.navigator.proposeVisit(expandURL(location), options); } - elementIsNavigatable(element) { - const container = findClosestRecursively(element, "[data-turbo]"); - const withinFrame = findClosestRecursively(element, "turbo-frame"); - if (this.drive || withinFrame) { - if (container) { - return container.getAttribute("data-turbo") != "false"; - } - else { - return true; - } - } - else { - if (container) { - return container.getAttribute("data-turbo") == "true"; - } - else { - return false; - } - } + } + + refresh(url, requestId) { + const isRecentRequest = requestId && this.recentRequests.has(requestId); + if (!isRecentRequest) { + this.visit(url, { action: "replace", shouldCacheSnapshot: false }); } - getActionForLink(link) { - return getVisitAction(link) || "advance"; + } + + connectStreamSource(source) { + this.streamObserver.connectStreamSource(source); + } + + disconnectStreamSource(source) { + this.streamObserver.disconnectStreamSource(source); + } + + renderStreamMessage(message) { + this.streamMessageRenderer.render(StreamMessage.wrap(message)); + } + + clearCache() { + this.view.clearSnapshotCache(); + } + + setProgressBarDelay(delay) { + this.progressBarDelay = delay; + } + + setFormMode(mode) { + this.formMode = mode; + } + + get location() { + return this.history.location + } + + get restorationIdentifier() { + return this.history.restorationIdentifier + } + + get pageRefreshDebouncePeriod() { + return this.#pageRefreshDebouncePeriod + } + + set pageRefreshDebouncePeriod(value) { + this.refresh = debounce(this.debouncedRefresh.bind(this), value); + this.#pageRefreshDebouncePeriod = value; + } + + // Preloader delegate + + shouldPreloadLink(element) { + const isUnsafe = element.hasAttribute("data-turbo-method"); + const isStream = element.hasAttribute("data-turbo-stream"); + const frameTarget = element.getAttribute("data-turbo-frame"); + const frame = frameTarget == "_top" ? + null : + document.getElementById(frameTarget) || findClosestRecursively(element, "turbo-frame:not([disabled])"); + + if (isUnsafe || isStream || frame instanceof FrameElement) { + return false + } else { + const location = new URL(element.href); + + return this.elementIsNavigatable(element) && locationIsVisitable(location, this.snapshot.rootLocation) } - get snapshot() { - return this.view.snapshot; + } + + // History delegate + + historyPoppedToLocationWithRestorationIdentifierAndDirection(location, restorationIdentifier, direction) { + if (this.enabled) { + this.navigator.startVisit(location, restorationIdentifier, { + action: "restore", + historyChanged: true, + direction + }); + } else { + this.adapter.pageInvalidated({ + reason: "turbo_disabled" + }); } -} -function extendURLWithDeprecatedProperties(url) { - Object.defineProperties(url, deprecatedLocationPropertyDescriptors); -} -const deprecatedLocationPropertyDescriptors = { - absoluteURL: { - get() { - return this.toString(); - }, - }, -}; + } + + // Scroll observer delegate + + scrollPositionChanged(position) { + this.history.updateRestorationData({ scrollPosition: position }); + } + + // Form click observer delegate + + willSubmitFormLinkToLocation(link, location) { + return this.elementIsNavigatable(link) && locationIsVisitable(location, this.snapshot.rootLocation) + } + + submittedFormLinkToLocation() {} + + // Link hover observer delegate + + canPrefetchRequestToLocation(link, location) { + return ( + this.elementIsNavigatable(link) && + locationIsVisitable(location, this.snapshot.rootLocation) + ) + } + + // Link click observer delegate + + willFollowLinkToLocation(link, location, event) { + return ( + this.elementIsNavigatable(link) && + locationIsVisitable(location, this.snapshot.rootLocation) && + this.applicationAllowsFollowingLinkToLocation(link, location, event) + ) + } + + followedLinkToLocation(link, location) { + const action = this.getActionForLink(link); + const acceptsStreamResponse = link.hasAttribute("data-turbo-stream"); + + this.visit(location.href, { action, acceptsStreamResponse }); + } + + // Navigator delegate + + allowsVisitingLocationWithAction(location, action) { + return this.locationWithActionIsSamePage(location, action) || this.applicationAllowsVisitingLocation(location) + } -class Cache { - constructor(session) { - this.session = session; + visitProposedToLocation(location, options) { + extendURLWithDeprecatedProperties(location); + this.adapter.visitProposedToLocation(location, options); + } + + // Visit delegate + + visitStarted(visit) { + if (!visit.acceptsStreamResponse) { + markAsBusy(document.documentElement); + this.view.markVisitDirection(visit.direction); } - clear() { - this.session.clearCache(); + extendURLWithDeprecatedProperties(visit.location); + if (!visit.silent) { + this.notifyApplicationAfterVisitingLocation(visit.location, visit.action); } - resetCacheControl() { - this.setCacheControl(""); + } + + visitCompleted(visit) { + this.view.unmarkVisitDirection(); + clearBusyState(document.documentElement); + this.notifyApplicationAfterPageLoad(visit.getTimingMetrics()); + } + + locationWithActionIsSamePage(location, action) { + return this.navigator.locationWithActionIsSamePage(location, action) + } + + visitScrolledToSamePageLocation(oldURL, newURL) { + this.notifyApplicationAfterVisitingSamePageLocation(oldURL, newURL); + } + + // Form submit observer delegate + + willSubmitForm(form, submitter) { + const action = getAction$1(form, submitter); + + return ( + this.submissionIsNavigatable(form, submitter) && + locationIsVisitable(expandURL(action), this.snapshot.rootLocation) + ) + } + + formSubmitted(form, submitter) { + this.navigator.submitForm(form, submitter); + } + + // Page observer delegate + + pageBecameInteractive() { + this.view.lastRenderedLocation = this.location; + this.notifyApplicationAfterPageLoad(); + } + + pageLoaded() { + this.history.assumeControlOfScrollRestoration(); + } + + pageWillUnload() { + this.history.relinquishControlOfScrollRestoration(); + } + + // Stream observer delegate + + receivedMessageFromStream(message) { + this.renderStreamMessage(message); + } + + // Page view delegate + + viewWillCacheSnapshot() { + if (!this.navigator.currentVisit?.silent) { + this.notifyApplicationBeforeCachingSnapshot(); } - exemptPageFromCache() { - this.setCacheControl("no-cache"); + } + + allowsImmediateRender({ element }, options) { + const event = this.notifyApplicationBeforeRender(element, options); + const { + defaultPrevented, + detail: { render } + } = event; + + if (this.view.renderer && render) { + this.view.renderer.renderElement = render; } - exemptPageFromPreview() { - this.setCacheControl("no-preview"); + + return !defaultPrevented + } + + viewRenderedSnapshot(_snapshot, _isPreview, renderMethod) { + this.view.lastRenderedLocation = this.history.location; + this.notifyApplicationAfterRender(renderMethod); + } + + preloadOnLoadLinksForView(element) { + this.preloader.preloadOnLoadLinksForView(element); + } + + viewInvalidated(reason) { + this.adapter.pageInvalidated(reason); + } + + // Frame element + + frameLoaded(frame) { + this.notifyApplicationAfterFrameLoad(frame); + } + + frameRendered(fetchResponse, frame) { + this.notifyApplicationAfterFrameRender(fetchResponse, frame); + } + + // Application events + + applicationAllowsFollowingLinkToLocation(link, location, ev) { + const event = this.notifyApplicationAfterClickingLinkToLocation(link, location, ev); + return !event.defaultPrevented + } + + applicationAllowsVisitingLocation(location) { + const event = this.notifyApplicationBeforeVisitingLocation(location); + return !event.defaultPrevented + } + + notifyApplicationAfterClickingLinkToLocation(link, location, event) { + return dispatch("turbo:click", { + target: link, + detail: { url: location.href, originalEvent: event }, + cancelable: true + }) + } + + notifyApplicationBeforeVisitingLocation(location) { + return dispatch("turbo:before-visit", { + detail: { url: location.href }, + cancelable: true + }) + } + + notifyApplicationAfterVisitingLocation(location, action) { + return dispatch("turbo:visit", { detail: { url: location.href, action } }) + } + + notifyApplicationBeforeCachingSnapshot() { + return dispatch("turbo:before-cache") + } + + notifyApplicationBeforeRender(newBody, options) { + return dispatch("turbo:before-render", { + detail: { newBody, ...options }, + cancelable: true + }) + } + + notifyApplicationAfterRender(renderMethod) { + return dispatch("turbo:render", { detail: { renderMethod } }) + } + + notifyApplicationAfterPageLoad(timing = {}) { + return dispatch("turbo:load", { + detail: { url: this.location.href, timing } + }) + } + + notifyApplicationAfterVisitingSamePageLocation(oldURL, newURL) { + dispatchEvent( + new HashChangeEvent("hashchange", { + oldURL: oldURL.toString(), + newURL: newURL.toString() + }) + ); + } + + notifyApplicationAfterFrameLoad(frame) { + return dispatch("turbo:frame-load", { target: frame }) + } + + notifyApplicationAfterFrameRender(fetchResponse, frame) { + return dispatch("turbo:frame-render", { + detail: { fetchResponse }, + target: frame, + cancelable: true + }) + } + + // Helpers + + submissionIsNavigatable(form, submitter) { + if (this.formMode == "off") { + return false + } else { + const submitterIsNavigatable = submitter ? this.elementIsNavigatable(submitter) : true; + + if (this.formMode == "optin") { + return submitterIsNavigatable && form.closest(''[data-turbo="true"]'') != null + } else { + return submitterIsNavigatable && this.elementIsNavigatable(form) + } } - setCacheControl(value) { - setMetaContent("turbo-cache-control", value); + } + + elementIsNavigatable(element) { + const container = findClosestRecursively(element, "[data-turbo]"); + const withinFrame = findClosestRecursively(element, "turbo-frame"); + + // Check if Drive is enabled on the session or we''re within a Frame. + if (this.drive || withinFrame) { + // Element is navigatable by default, unless `data-turbo="false"`. + if (container) { + return container.getAttribute("data-turbo") != "false" + } else { + return true + } + } else { + // Element isn''t navigatable by default, unless `data-turbo="true"`. + if (container) { + return container.getAttribute("data-turbo") == "true" + } else { + return false + } } + } + + // Private + + getActionForLink(link) { + return getVisitAction(link) || "advance" + } + + get snapshot() { + return this.view.snapshot + } } -const StreamActions = { - after() { - this.targetElements.forEach((e) => { var _a; return (_a = e.parentElement) === null || _a === void 0 ? void 0 : _a.insertBefore(this.templateContent, e.nextSibling); }); - }, - append() { - this.removeDuplicateTargetChildren(); - this.targetElements.forEach((e) => e.append(this.templateContent)); - }, - before() { - this.targetElements.forEach((e) => { var _a; return (_a = e.parentElement) === null || _a === void 0 ? void 0 : _a.insertBefore(this.templateContent, e); }); - }, - prepend() { - this.removeDuplicateTargetChildren(); - this.targetElements.forEach((e) => e.prepend(this.templateContent)); - }, - remove() { - this.targetElements.forEach((e) => e.remove()); - }, - replace() { - this.targetElements.forEach((e) => e.replaceWith(this.templateContent)); - }, - update() { - this.targetElements.forEach((targetElement) => { - targetElement.innerHTML = ""; - targetElement.append(this.templateContent); - }); - }, +// Older versions of the Turbo Native adapters referenced the +// `Location#absoluteURL` property in their implementations of +// the `Adapter#visitProposedToLocation()` and `#visitStarted()` +// methods. The Location class has since been removed in favor +// of the DOM URL API, and accordingly all Adapter methods now +// receive URL objects. +// +// We alias #absoluteURL to #toString() here to avoid crashing +// older adapters which do not expect URL objects. We should +// consider removing this support at some point in the future. + +function extendURLWithDeprecatedProperties(url) { + Object.defineProperties(url, deprecatedLocationPropertyDescriptors); +} + +const deprecatedLocationPropertyDescriptors = { + absoluteURL: { + get() { + return this.toString() + } + } }; -const session = new Session(); -const cache = new Cache(session); -const { navigator: navigator$1 } = session; +const session = new Session(recentRequests); +const { cache, navigator: navigator$1 } = session; + +/** + * Starts the main session. + * This initialises any necessary observers such as those to monitor + * link interactions. + */ function start() { - session.start(); + session.start(); } + +/** + * Registers an adapter for the main session. + * + * @param adapter Adapter to register + */ function registerAdapter(adapter) { - session.registerAdapter(adapter); + session.registerAdapter(adapter); } + +/** + * Performs an application visit to the given location. + * + * @param location Location to visit (a URL or path) + * @param options Options to apply + * @param options.action Type of history navigation to apply ("restore", + * "replace" or "advance") + * @param options.historyChanged Specifies whether the browser history has + * already been changed for this visit or not + * @param options.referrer Specifies the referrer of this visit such that + * navigations to the same page will not result in a new history entry. + * @param options.snapshotHTML Cached snapshot to render + * @param options.response Response of the specified location + */ function visit(location, options) { - session.visit(location, options); + session.visit(location, options); } + +/** + * Connects a stream source to the main session. + * + * @param source Stream source to connect + */ function connectStreamSource(source) { - session.connectStreamSource(source); + session.connectStreamSource(source); } + +/** + * Disconnects a stream source from the main session. + * + * @param source Stream source to disconnect + */ function disconnectStreamSource(source) { - session.disconnectStreamSource(source); + session.disconnectStreamSource(source); } + +/** + * Renders a stream message to the main session by appending it to the + * current document. + * + * @param message Message to render + */ function renderStreamMessage(message) { - session.renderStreamMessage(message); + session.renderStreamMessage(message); } + +/** + * Removes all entries from the Turbo Drive page cache. + * Call this when state has changed on the server that may affect cached pages. + * + * @deprecated since version 7.2.0 in favor of `Turbo.cache.clear()` + */ function clearCache() { - console.warn("Please replace `Turbo.clearCache()` with `Turbo.cache.clear()`. The top-level function is deprecated and will be removed in a future version of Turbo.`"); - session.clearCache(); + console.warn( + "Please replace `Turbo.clearCache()` with `Turbo.cache.clear()`. The top-level function is deprecated and will be removed in a future version of Turbo.`" + ); + session.clearCache(); } + +/** + * Sets the delay after which the progress bar will appear during navigation. + * + * The progress bar appears after 500ms by default. + * + * Note that this method has no effect when used with the iOS or Android + * adapters. + * + * @param delay Time to delay in milliseconds + */ function setProgressBarDelay(delay) { - session.setProgressBarDelay(delay); + session.setProgressBarDelay(delay); } + function setConfirmMethod(confirmMethod) { - FormSubmission.confirmMethod = confirmMethod; + FormSubmission.confirmMethod = confirmMethod; } + function setFormMode(mode) { - session.setFormMode(mode); + session.setFormMode(mode); } var Turbo = /*#__PURE__*/Object.freeze({ - __proto__: null, - navigator: navigator$1, - session: session, - cache: cache, - PageRenderer: PageRenderer, - PageSnapshot: PageSnapshot, - FrameRenderer: FrameRenderer, - start: start, - registerAdapter: registerAdapter, - visit: visit, - connectStreamSource: connectStreamSource, - disconnectStreamSource: disconnectStreamSource, - renderStreamMessage: renderStreamMessage, - clearCache: clearCache, - setProgressBarDelay: setProgressBarDelay, - setConfirmMethod: setConfirmMethod, - setFormMode: setFormMode, - StreamActions: StreamActions + __proto__: null, + navigator: navigator$1, + session: session, + cache: cache, + PageRenderer: PageRenderer, + PageSnapshot: PageSnapshot, + FrameRenderer: FrameRenderer, + fetch: fetchWithTurboHeaders, + start: start, + registerAdapter: registerAdapter, + visit: visit, + connectStreamSource: connectStreamSource, + disconnectStreamSource: disconnectStreamSource, + renderStreamMessage: renderStreamMessage, + clearCache: clearCache, + setProgressBarDelay: setProgressBarDelay, + setConfirmMethod: setConfirmMethod, + setFormMode: setFormMode }); -class TurboFrameMissingError extends Error { -} +class TurboFrameMissingError extends Error {} class FrameController { - constructor(element) { - this.fetchResponseLoaded = (_fetchResponse) => { }; - this.currentFetchRequest = null; - this.resolveVisitPromise = () => { }; - this.connected = false; - this.hasBeenLoaded = false; - this.ignoredAttributes = new Set(); - this.action = null; - this.visitCachedSnapshot = ({ element }) => { - const frame = element.querySelector("#" + this.element.id); - if (frame && this.previousFrameElement) { - frame.replaceChildren(...this.previousFrameElement.children); - } - delete this.previousFrameElement; - }; - this.element = element; - this.view = new FrameView(this, this.element); - this.appearanceObserver = new AppearanceObserver(this, this.element); - this.formLinkClickObserver = new FormLinkClickObserver(this, this.element); - this.linkInterceptor = new LinkInterceptor(this, this.element); - this.restorationIdentifier = uuid(); - this.formSubmitObserver = new FormSubmitObserver(this, this.element); - } - connect() { - if (!this.connected) { - this.connected = true; - if (this.loadingStyle == FrameLoadingStyle.lazy) { - this.appearanceObserver.start(); - } - else { - this.loadSourceURL(); - } - this.formLinkClickObserver.start(); - this.linkInterceptor.start(); - this.formSubmitObserver.start(); - } - } - disconnect() { - if (this.connected) { - this.connected = false; - this.appearanceObserver.stop(); - this.formLinkClickObserver.stop(); - this.linkInterceptor.stop(); - this.formSubmitObserver.stop(); - } - } - disabledChanged() { - if (this.loadingStyle == FrameLoadingStyle.eager) { - this.loadSourceURL(); - } - } - sourceURLChanged() { - if (this.isIgnoringChangesTo("src")) - return; - if (this.element.isConnected) { - this.complete = false; - } - if (this.loadingStyle == FrameLoadingStyle.eager || this.hasBeenLoaded) { - this.loadSourceURL(); - } - } - sourceURLReloaded() { - const { src } = this.element; - this.ignoringChangesToAttribute("complete", () => { - this.element.removeAttribute("complete"); - }); - this.element.src = null; - this.element.src = src; - return this.element.loaded; - } - completeChanged() { - if (this.isIgnoringChangesTo("complete")) - return; - this.loadSourceURL(); - } - loadingStyleChanged() { - if (this.loadingStyle == FrameLoadingStyle.lazy) { - this.appearanceObserver.start(); - } - else { - this.appearanceObserver.stop(); - this.loadSourceURL(); - } - } - async loadSourceURL() { - if (this.enabled && this.isActive && !this.complete && this.sourceURL) { - this.element.loaded = this.visit(expandURL(this.sourceURL)); - this.appearanceObserver.stop(); - await this.element.loaded; - this.hasBeenLoaded = true; - } - } - async loadResponse(fetchResponse) { - if (fetchResponse.redirected || (fetchResponse.succeeded && fetchResponse.isHTML)) { - this.sourceURL = fetchResponse.response.url; - } - try { - const html = await fetchResponse.responseHTML; - if (html) { - const document = parseHTMLDocument(html); - const pageSnapshot = PageSnapshot.fromDocument(document); - if (pageSnapshot.isVisitable) { - await this.loadFrameResponse(fetchResponse, document); - } - else { - await this.handleUnvisitableFrameResponse(fetchResponse); - } - } - } - finally { - this.fetchResponseLoaded = () => { }; - } - } - elementAppearedInViewport(element) { - this.proposeVisitIfNavigatedWithAction(element, element); - this.loadSourceURL(); - } - willSubmitFormLinkToLocation(link) { - return this.shouldInterceptNavigation(link); - } - submittedFormLinkToLocation(link, _location, form) { - const frame = this.findFrameElement(link); - if (frame) - form.setAttribute("data-turbo-frame", frame.id); - } - shouldInterceptLinkClick(element, _location, _event) { - return this.shouldInterceptNavigation(element); - } - linkClickIntercepted(element, location) { - this.navigateFrame(element, location); - } - willSubmitForm(element, submitter) { - return element.closest("turbo-frame") == this.element && this.shouldInterceptNavigation(element, submitter); - } - formSubmitted(element, submitter) { - if (this.formSubmission) { - this.formSubmission.stop(); - } - this.formSubmission = new FormSubmission(this, element, submitter); - const { fetchRequest } = this.formSubmission; - this.prepareRequest(fetchRequest); - this.formSubmission.start(); - } - prepareRequest(request) { - var _a; - request.headers["Turbo-Frame"] = this.id; - if ((_a = this.currentNavigationElement) === null || _a === void 0 ? void 0 : _a.hasAttribute("data-turbo-stream")) { - request.acceptResponseType(StreamMessage.contentType); - } - } - requestStarted(_request) { - markAsBusy(this.element); - } - requestPreventedHandlingResponse(_request, _response) { - this.resolveVisitPromise(); - } - async requestSucceededWithResponse(request, response) { - await this.loadResponse(response); - this.resolveVisitPromise(); - } - async requestFailedWithResponse(request, response) { - await this.loadResponse(response); - this.resolveVisitPromise(); - } - requestErrored(request, error) { - console.error(error); - this.resolveVisitPromise(); - } - requestFinished(_request) { - clearBusyState(this.element); - } - formSubmissionStarted({ formElement }) { - markAsBusy(formElement, this.findFrameElement(formElement)); - } - formSubmissionSucceededWithResponse(formSubmission, response) { - const frame = this.findFrameElement(formSubmission.formElement, formSubmission.submitter); - frame.delegate.proposeVisitIfNavigatedWithAction(frame, formSubmission.formElement, formSubmission.submitter); - frame.delegate.loadResponse(response); - if (!formSubmission.isSafe) { - session.clearCache(); - } + fetchResponseLoaded = (_fetchResponse) => Promise.resolve() + #currentFetchRequest = null + #resolveVisitPromise = () => {} + #connected = false + #hasBeenLoaded = false + #ignoredAttributes = new Set() + action = null + + constructor(element) { + this.element = element; + this.view = new FrameView(this, this.element); + this.appearanceObserver = new AppearanceObserver(this, this.element); + this.formLinkClickObserver = new FormLinkClickObserver(this, this.element); + this.linkInterceptor = new LinkInterceptor(this, this.element); + this.restorationIdentifier = uuid(); + this.formSubmitObserver = new FormSubmitObserver(this, this.element); + } + + // Frame delegate + + connect() { + if (!this.#connected) { + this.#connected = true; + if (this.loadingStyle == FrameLoadingStyle.lazy) { + this.appearanceObserver.start(); + } else { + this.#loadSourceURL(); + } + this.formLinkClickObserver.start(); + this.linkInterceptor.start(); + this.formSubmitObserver.start(); } - formSubmissionFailedWithResponse(formSubmission, fetchResponse) { - this.element.delegate.loadResponse(fetchResponse); - session.clearCache(); + } + + disconnect() { + if (this.#connected) { + this.#connected = false; + this.appearanceObserver.stop(); + this.formLinkClickObserver.stop(); + this.linkInterceptor.stop(); + this.formSubmitObserver.stop(); } - formSubmissionErrored(formSubmission, error) { - console.error(error); + } + + disabledChanged() { + if (this.loadingStyle == FrameLoadingStyle.eager) { + this.#loadSourceURL(); } - formSubmissionFinished({ formElement }) { - clearBusyState(formElement, this.findFrameElement(formElement)); + } + + sourceURLChanged() { + if (this.#isIgnoringChangesTo("src")) return + + if (this.element.isConnected) { + this.complete = false; } - allowsImmediateRender({ element: newFrame }, options) { - const event = dispatch("turbo:before-frame-render", { - target: this.element, - detail: Object.assign({ newFrame }, options), - cancelable: true, - }); - const { defaultPrevented, detail: { render }, } = event; - if (this.view.renderer && render) { - this.view.renderer.renderElement = render; - } - return !defaultPrevented; - } - viewRenderedSnapshot(_snapshot, _isPreview) { } - preloadOnLoadLinksForView(element) { - session.preloadOnLoadLinksForView(element); - } - viewInvalidated() { } - willRenderFrame(currentElement, _newElement) { - this.previousFrameElement = currentElement.cloneNode(true); - } - async loadFrameResponse(fetchResponse, document) { - const newFrameElement = await this.extractForeignFrameElement(document.body); - if (newFrameElement) { - const snapshot = new Snapshot(newFrameElement); - const renderer = new FrameRenderer(this, this.view.snapshot, snapshot, FrameRenderer.renderElement, false, false); - if (this.view.renderPromise) - await this.view.renderPromise; - this.changeHistory(); - await this.view.render(renderer); - this.complete = true; - session.frameRendered(fetchResponse, this.element); - session.frameLoaded(this.element); - this.fetchResponseLoaded(fetchResponse); - } - else if (this.willHandleFrameMissingFromResponse(fetchResponse)) { - this.handleFrameMissingFromResponse(fetchResponse); - } + + if (this.loadingStyle == FrameLoadingStyle.eager || this.#hasBeenLoaded) { + this.#loadSourceURL(); } - async visit(url) { - var _a; - const request = new FetchRequest(this, FetchMethod.get, url, new URLSearchParams(), this.element); - (_a = this.currentFetchRequest) === null || _a === void 0 ? void 0 : _a.cancel(); - this.currentFetchRequest = request; - return new Promise((resolve) => { - this.resolveVisitPromise = () => { - this.resolveVisitPromise = () => { }; - this.currentFetchRequest = null; - resolve(); - }; - request.perform(); - }); + } + + sourceURLReloaded() { + const { src } = this.element; + this.element.removeAttribute("complete"); + this.element.src = null; + this.element.src = src; + return this.element.loaded + } + + loadingStyleChanged() { + if (this.loadingStyle == FrameLoadingStyle.lazy) { + this.appearanceObserver.start(); + } else { + this.appearanceObserver.stop(); + this.#loadSourceURL(); } - navigateFrame(element, url, submitter) { - const frame = this.findFrameElement(element, submitter); - frame.delegate.proposeVisitIfNavigatedWithAction(frame, element, submitter); - this.withCurrentNavigationElement(element, () => { - frame.src = url; - }); + } + + async #loadSourceURL() { + if (this.enabled && this.isActive && !this.complete && this.sourceURL) { + this.element.loaded = this.#visit(expandURL(this.sourceURL)); + this.appearanceObserver.stop(); + await this.element.loaded; + this.#hasBeenLoaded = true; } - proposeVisitIfNavigatedWithAction(frame, element, submitter) { - this.action = getVisitAction(submitter, element, frame); - if (this.action) { - const pageSnapshot = PageSnapshot.fromElement(frame).clone(); - const { visitCachedSnapshot } = frame.delegate; - frame.delegate.fetchResponseLoaded = (fetchResponse) => { - if (frame.src) { - const { statusCode, redirected } = fetchResponse; - const responseHTML = frame.ownerDocument.documentElement.outerHTML; - const response = { statusCode, redirected, responseHTML }; - const options = { - response, - visitCachedSnapshot, - willRender: false, - updateHistory: false, - restorationIdentifier: this.restorationIdentifier, - snapshot: pageSnapshot, - }; - if (this.action) - options.action = this.action; - session.visit(frame.src, options); - } - }; - } + } + + async loadResponse(fetchResponse) { + if (fetchResponse.redirected || (fetchResponse.succeeded && fetchResponse.isHTML)) { + this.sourceURL = fetchResponse.response.url; } - changeHistory() { - if (this.action) { - const method = getHistoryMethodForAction(this.action); - session.history.update(method, expandURL(this.element.src || ""), this.restorationIdentifier); + + try { + const html = await fetchResponse.responseHTML; + if (html) { + const document = parseHTMLDocument(html); + const pageSnapshot = PageSnapshot.fromDocument(document); + + if (pageSnapshot.isVisitable) { + await this.#loadFrameResponse(fetchResponse, document); + } else { + await this.#handleUnvisitableFrameResponse(fetchResponse); } + } + } finally { + this.fetchResponseLoaded = () => Promise.resolve(); } - async handleUnvisitableFrameResponse(fetchResponse) { - console.warn(`The response (${fetchResponse.statusCode}) from is performing a full page visit due to turbo-visit-control.`); - await this.visitResponse(fetchResponse.response); + } + + // Appearance observer delegate + + elementAppearedInViewport(element) { + this.proposeVisitIfNavigatedWithAction(element, getVisitAction(element)); + this.#loadSourceURL(); + } + + // Form link click observer delegate + + willSubmitFormLinkToLocation(link) { + return this.#shouldInterceptNavigation(link) + } + + submittedFormLinkToLocation(link, _location, form) { + const frame = this.#findFrameElement(link); + if (frame) form.setAttribute("data-turbo-frame", frame.id); + } + + // Link interceptor delegate + + shouldInterceptLinkClick(element, _location, _event) { + return this.#shouldInterceptNavigation(element) + } + + linkClickIntercepted(element, location) { + this.#navigateFrame(element, location); + } + + // Form submit observer delegate + + willSubmitForm(element, submitter) { + return element.closest("turbo-frame") == this.element && this.#shouldInterceptNavigation(element, submitter) + } + + formSubmitted(element, submitter) { + if (this.formSubmission) { + this.formSubmission.stop(); } - willHandleFrameMissingFromResponse(fetchResponse) { - this.element.setAttribute("complete", ""); - const response = fetchResponse.response; - const visit = async (url, options = {}) => { - if (url instanceof Response) { - this.visitResponse(url); - } - else { - session.visit(url, options); - } - }; - const event = dispatch("turbo:frame-missing", { - target: this.element, - detail: { response, visit }, - cancelable: true, - }); - return !event.defaultPrevented; - } - handleFrameMissingFromResponse(fetchResponse) { - this.view.missing(); - this.throwFrameMissingError(fetchResponse); - } - throwFrameMissingError(fetchResponse) { - const message = `The response (${fetchResponse.statusCode}) did not contain the expected and will be ignored. To perform a full page visit instead, set turbo-visit-control to reload.`; - throw new TurboFrameMissingError(message); - } - async visitResponse(response) { - const wrapped = new FetchResponse(response); - const responseHTML = await wrapped.responseHTML; - const { location, redirected, statusCode } = wrapped; - return session.visit(location, { response: { redirected, statusCode, responseHTML } }); - } - findFrameElement(element, submitter) { - var _a; - const id = getAttribute("data-turbo-frame", submitter, element) || this.element.getAttribute("target"); - return (_a = getFrameElementById(id)) !== null && _a !== void 0 ? _a : this.element; - } - async extractForeignFrameElement(container) { - let element; - const id = CSS.escape(this.id); - try { - element = activateElement(container.querySelector(`turbo-frame#${id}`), this.sourceURL); - if (element) { - return element; - } - element = activateElement(container.querySelector(`turbo-frame[src][recurse~=${id}]`), this.sourceURL); - if (element) { - await element.loaded; - return await this.extractForeignFrameElement(element); - } - } - catch (error) { - console.error(error); - return new FrameElement(); - } - return null; + + this.formSubmission = new FormSubmission(this, element, submitter); + const { fetchRequest } = this.formSubmission; + this.prepareRequest(fetchRequest); + this.formSubmission.start(); + } + + // Fetch request delegate + + prepareRequest(request) { + request.headers["Turbo-Frame"] = this.id; + + if (this.currentNavigationElement?.hasAttribute("data-turbo-stream")) { + request.acceptResponseType(StreamMessage.contentType); } - formActionIsVisitable(form, submitter) { - const action = getAction(form, submitter); - return locationIsVisitable(expandURL(action), this.rootLocation); + } + + requestStarted(_request) { + markAsBusy(this.element); + } + + requestPreventedHandlingResponse(_request, _response) { + this.#resolveVisitPromise(); + } + + async requestSucceededWithResponse(request, response) { + await this.loadResponse(response); + this.#resolveVisitPromise(); + } + + async requestFailedWithResponse(request, response) { + await this.loadResponse(response); + this.#resolveVisitPromise(); + } + + requestErrored(request, error) { + console.error(error); + this.#resolveVisitPromise(); + } + + requestFinished(_request) { + clearBusyState(this.element); + } + + // Form submission delegate + + formSubmissionStarted({ formElement }) { + markAsBusy(formElement, this.#findFrameElement(formElement)); + } + + formSubmissionSucceededWithResponse(formSubmission, response) { + const frame = this.#findFrameElement(formSubmission.formElement, formSubmission.submitter); + + frame.delegate.proposeVisitIfNavigatedWithAction(frame, getVisitAction(formSubmission.submitter, formSubmission.formElement, frame)); + frame.delegate.loadResponse(response); + + if (!formSubmission.isSafe) { + session.clearCache(); } - shouldInterceptNavigation(element, submitter) { - const id = getAttribute("data-turbo-frame", submitter, element) || this.element.getAttribute("target"); - if (element instanceof HTMLFormElement && !this.formActionIsVisitable(element, submitter)) { - return false; - } - if (!this.enabled || id == "_top") { - return false; - } - if (id) { - const frameElement = getFrameElementById(id); - if (frameElement) { - return !frameElement.disabled; - } - } - if (!session.elementIsNavigatable(element)) { - return false; - } - if (submitter && !session.elementIsNavigatable(submitter)) { - return false; - } - return true; + } + + formSubmissionFailedWithResponse(formSubmission, fetchResponse) { + this.element.delegate.loadResponse(fetchResponse); + session.clearCache(); + } + + formSubmissionErrored(formSubmission, error) { + console.error(error); + } + + formSubmissionFinished({ formElement }) { + clearBusyState(formElement, this.#findFrameElement(formElement)); + } + + // View delegate + + allowsImmediateRender({ element: newFrame }, options) { + const event = dispatch("turbo:before-frame-render", { + target: this.element, + detail: { newFrame, ...options }, + cancelable: true + }); + const { + defaultPrevented, + detail: { render } + } = event; + + if (this.view.renderer && render) { + this.view.renderer.renderElement = render; } - get id() { - return this.element.id; + + return !defaultPrevented + } + + viewRenderedSnapshot(_snapshot, _isPreview, _renderMethod) {} + + preloadOnLoadLinksForView(element) { + session.preloadOnLoadLinksForView(element); + } + + viewInvalidated() {} + + // Frame renderer delegate + + willRenderFrame(currentElement, _newElement) { + this.previousFrameElement = currentElement.cloneNode(true); + } + + visitCachedSnapshot = ({ element }) => { + const frame = element.querySelector("#" + this.element.id); + + if (frame && this.previousFrameElement) { + frame.replaceChildren(...this.previousFrameElement.children); } - get enabled() { - return !this.element.disabled; + + delete this.previousFrameElement; + } + + // Private + + async #loadFrameResponse(fetchResponse, document) { + const newFrameElement = await this.extractForeignFrameElement(document.body); + + if (newFrameElement) { + const snapshot = new Snapshot(newFrameElement); + const renderer = new FrameRenderer(this, this.view.snapshot, snapshot, FrameRenderer.renderElement, false, false); + if (this.view.renderPromise) await this.view.renderPromise; + this.changeHistory(); + + await this.view.render(renderer); + this.complete = true; + session.frameRendered(fetchResponse, this.element); + session.frameLoaded(this.element); + await this.fetchResponseLoaded(fetchResponse); + } else if (this.#willHandleFrameMissingFromResponse(fetchResponse)) { + this.#handleFrameMissingFromResponse(fetchResponse); } - get sourceURL() { - if (this.element.src) { - return this.element.src; + } + + async #visit(url) { + const request = new FetchRequest(this, FetchMethod.get, url, new URLSearchParams(), this.element); + + this.#currentFetchRequest?.cancel(); + this.#currentFetchRequest = request; + + return new Promise((resolve) => { + this.#resolveVisitPromise = () => { + this.#resolveVisitPromise = () => {}; + this.#currentFetchRequest = null; + resolve(); + }; + request.perform(); + }) + } + + #navigateFrame(element, url, submitter) { + const frame = this.#findFrameElement(element, submitter); + + frame.delegate.proposeVisitIfNavigatedWithAction(frame, getVisitAction(submitter, element, frame)); + + this.#withCurrentNavigationElement(element, () => { + frame.src = url; + }); + } + + proposeVisitIfNavigatedWithAction(frame, action = null) { + this.action = action; + + if (this.action) { + const pageSnapshot = PageSnapshot.fromElement(frame).clone(); + const { visitCachedSnapshot } = frame.delegate; + + frame.delegate.fetchResponseLoaded = async (fetchResponse) => { + if (frame.src) { + const { statusCode, redirected } = fetchResponse; + const responseHTML = await fetchResponse.responseHTML; + const response = { statusCode, redirected, responseHTML }; + const options = { + response, + visitCachedSnapshot, + willRender: false, + updateHistory: false, + restorationIdentifier: this.restorationIdentifier, + snapshot: pageSnapshot + }; + + if (this.action) options.action = this.action; + + session.visit(frame.src, options); } + }; } - set sourceURL(sourceURL) { - this.ignoringChangesToAttribute("src", () => { - this.element.src = sourceURL !== null && sourceURL !== void 0 ? sourceURL : null; - }); - } - get loadingStyle() { - return this.element.loading; + } + + changeHistory() { + if (this.action) { + const method = getHistoryMethodForAction(this.action); + session.history.update(method, expandURL(this.element.src || ""), this.restorationIdentifier); } - get isLoading() { - return this.formSubmission !== undefined || this.resolveVisitPromise() !== undefined; + } + + async #handleUnvisitableFrameResponse(fetchResponse) { + console.warn( + `The response (${fetchResponse.statusCode}) from is performing a full page visit due to turbo-visit-control.` + ); + + await this.#visitResponse(fetchResponse.response); + } + + #willHandleFrameMissingFromResponse(fetchResponse) { + this.element.setAttribute("complete", ""); + + const response = fetchResponse.response; + const visit = async (url, options) => { + if (url instanceof Response) { + this.#visitResponse(url); + } else { + session.visit(url, options); + } + }; + + const event = dispatch("turbo:frame-missing", { + target: this.element, + detail: { response, visit }, + cancelable: true + }); + + return !event.defaultPrevented + } + + #handleFrameMissingFromResponse(fetchResponse) { + this.view.missing(); + this.#throwFrameMissingError(fetchResponse); + } + + #throwFrameMissingError(fetchResponse) { + const message = `The response (${fetchResponse.statusCode}) did not contain the expected and will be ignored. To perform a full page visit instead, set turbo-visit-control to reload.`; + throw new TurboFrameMissingError(message) + } + + async #visitResponse(response) { + const wrapped = new FetchResponse(response); + const responseHTML = await wrapped.responseHTML; + const { location, redirected, statusCode } = wrapped; + + return session.visit(location, { response: { redirected, statusCode, responseHTML } }) + } + + #findFrameElement(element, submitter) { + const id = getAttribute("data-turbo-frame", submitter, element) || this.element.getAttribute("target"); + return getFrameElementById(id) ?? this.element + } + + async extractForeignFrameElement(container) { + let element; + const id = CSS.escape(this.id); + + try { + element = activateElement(container.querySelector(`turbo-frame#${id}`), this.sourceURL); + if (element) { + return element + } + + element = activateElement(container.querySelector(`turbo-frame[src][recurse~=${id}]`), this.sourceURL); + if (element) { + await element.loaded; + return await this.extractForeignFrameElement(element) + } + } catch (error) { + console.error(error); + return new FrameElement() } - get complete() { - return this.element.hasAttribute("complete"); + + return null + } + + #formActionIsVisitable(form, submitter) { + const action = getAction$1(form, submitter); + + return locationIsVisitable(expandURL(action), this.rootLocation) + } + + #shouldInterceptNavigation(element, submitter) { + const id = getAttribute("data-turbo-frame", submitter, element) || this.element.getAttribute("target"); + + if (element instanceof HTMLFormElement && !this.#formActionIsVisitable(element, submitter)) { + return false } - set complete(value) { - this.ignoringChangesToAttribute("complete", () => { - if (value) { - this.element.setAttribute("complete", ""); - } - else { - this.element.removeAttribute("complete"); - } - }); + + if (!this.enabled || id == "_top") { + return false } - get isActive() { - return this.element.isActive && this.connected; + + if (id) { + const frameElement = getFrameElementById(id); + if (frameElement) { + return !frameElement.disabled + } } - get rootLocation() { - var _a; - const meta = this.element.ownerDocument.querySelector(`meta[name="turbo-root"]`); - const root = (_a = meta === null || meta === void 0 ? void 0 : meta.content) !== null && _a !== void 0 ? _a : "/"; - return expandURL(root); + + if (!session.elementIsNavigatable(element)) { + return false } - isIgnoringChangesTo(attributeName) { - return this.ignoredAttributes.has(attributeName); + + if (submitter && !session.elementIsNavigatable(submitter)) { + return false } - ignoringChangesToAttribute(attributeName, callback) { - this.ignoredAttributes.add(attributeName); - callback(); - this.ignoredAttributes.delete(attributeName); + + return true + } + + // Computed properties + + get id() { + return this.element.id + } + + get enabled() { + return !this.element.disabled + } + + get sourceURL() { + if (this.element.src) { + return this.element.src } - withCurrentNavigationElement(element, callback) { - this.currentNavigationElement = element; - callback(); - delete this.currentNavigationElement; + } + + set sourceURL(sourceURL) { + this.#ignoringChangesToAttribute("src", () => { + this.element.src = sourceURL ?? null; + }); + } + + get loadingStyle() { + return this.element.loading + } + + get isLoading() { + return this.formSubmission !== undefined || this.#resolveVisitPromise() !== undefined + } + + get complete() { + return this.element.hasAttribute("complete") + } + + set complete(value) { + if (value) { + this.element.setAttribute("complete", ""); + } else { + this.element.removeAttribute("complete"); } + } + + get isActive() { + return this.element.isActive && this.#connected + } + + get rootLocation() { + const meta = this.element.ownerDocument.querySelector(`meta[name="turbo-root"]`); + const root = meta?.content ?? "/"; + return expandURL(root) + } + + #isIgnoringChangesTo(attributeName) { + return this.#ignoredAttributes.has(attributeName) + } + + #ignoringChangesToAttribute(attributeName, callback) { + this.#ignoredAttributes.add(attributeName); + callback(); + this.#ignoredAttributes.delete(attributeName); + } + + #withCurrentNavigationElement(element, callback) { + this.currentNavigationElement = element; + callback(); + delete this.currentNavigationElement; + } } + function getFrameElementById(id) { - if (id != null) { - const element = document.getElementById(id); - if (element instanceof FrameElement) { - return element; - } + if (id != null) { + const element = document.getElementById(id); + if (element instanceof FrameElement) { + return element } + } } + function activateElement(element, currentURL) { - if (element) { - const src = element.getAttribute("src"); - if (src != null && currentURL != null && urlsAreEqual(src, currentURL)) { - throw new Error(`Matching element has a source URL which references itself`); - } - if (element.ownerDocument !== document) { - element = document.importNode(element, true); - } - if (element instanceof FrameElement) { - element.connectedCallback(); - element.disconnectedCallback(); - return element; - } + if (element) { + const src = element.getAttribute("src"); + if (src != null && currentURL != null && urlsAreEqual(src, currentURL)) { + throw new Error(`Matching element has a source URL which references itself`) + } + if (element.ownerDocument !== document) { + element = document.importNode(element, true); + } + + if (element instanceof FrameElement) { + element.connectedCallback(); + element.disconnectedCallback(); + return element } + } } +const StreamActions = { + after() { + this.targetElements.forEach((e) => e.parentElement?.insertBefore(this.templateContent, e.nextSibling)); + }, + + append() { + this.removeDuplicateTargetChildren(); + this.targetElements.forEach((e) => e.append(this.templateContent)); + }, + + before() { + this.targetElements.forEach((e) => e.parentElement?.insertBefore(this.templateContent, e)); + }, + + prepend() { + this.removeDuplicateTargetChildren(); + this.targetElements.forEach((e) => e.prepend(this.templateContent)); + }, + + remove() { + this.targetElements.forEach((e) => e.remove()); + }, + + replace() { + this.targetElements.forEach((e) => e.replaceWith(this.templateContent)); + }, + + update() { + this.targetElements.forEach((targetElement) => { + targetElement.innerHTML = ""; + targetElement.append(this.templateContent); + }); + }, + + refresh() { + session.refresh(this.baseURI, this.requestId); + } +}; + +//