@hotwired/turbo
Version:
The speed of a single-page web application without having to write any JavaScript
1,459 lines (1,438 loc) • 108 kB
JavaScript
/*
Turbo 7.0.0
Copyright © 2021 Basecamp, 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);
})();
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;
}
function clickCaptured(event) {
const submitter = findSubmitterFromClickTarget(event.target);
if (submitter && submitter.form) {
submittersByForm.set(submitter.form, submitter);
}
}
(function () {
if ("submitter" in Event.prototype)
return;
let prototype;
if ("SubmitEvent" in window && /Apple Computer/.test(navigator.vendor)) {
prototype = window.SubmitEvent.prototype;
}
else if ("SubmitEvent" in window) {
return;
}
else {
prototype = window.Event.prototype;
}
addEventListener("click", clickCaptured, true);
Object.defineProperty(prototype, "submitter", {
get() {
if (this.type == "submit" && this.target instanceof HTMLFormElement) {
return submittersByForm.get(this.target);
}
}
});
})();
var FrameLoadingStyle;
(function (FrameLoadingStyle) {
FrameLoadingStyle["eager"] = "eager";
FrameLoadingStyle["lazy"] = "lazy";
})(FrameLoadingStyle || (FrameLoadingStyle = {}));
class FrameElement extends HTMLElement {
constructor() {
super();
this.loaded = Promise.resolve();
this.delegate = new FrameElement.delegateConstructor(this);
}
static get observedAttributes() {
return ["disabled", "loading", "src"];
}
connectedCallback() {
this.delegate.connect();
}
disconnectedCallback() {
this.delegate.disconnect();
}
reload() {
const { src } = this;
this.src = null;
this.src = src;
}
attributeChangedCallback(name) {
if (name == "loading") {
this.delegate.loadingStyleChanged();
}
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");
}
}
get disabled() {
return this.hasAttribute("disabled");
}
set disabled(value) {
if (value) {
this.setAttribute("disabled", "");
}
else {
this.removeAttribute("disabled");
}
}
get autoscroll() {
return this.hasAttribute("autoscroll");
}
set autoscroll(value) {
if (value) {
this.setAttribute("autoscroll", "");
}
else {
this.removeAttribute("autoscroll");
}
}
get complete() {
return !this.delegate.isLoading;
}
get isActive() {
return this.ownerDocument === document && !this.isPreview;
}
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");
}
}
function frameLoadingStyleFromString(style) {
switch (style.toLowerCase()) {
case "lazy": return FrameLoadingStyle.lazy;
default: return FrameLoadingStyle.eager;
}
}
function expandURL(locatable) {
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(/#(.*)$/)) {
return anchorMatch[1];
}
}
function getExtension(url) {
return (getLastPathComponent(url).match(/\.[^.]*$/) || [])[0] || "";
}
function isHTML(url) {
return !!getExtension(url).match(/^(?:|\.(?:htm|html|xhtml))$/);
}
function isPrefixedBy(baseURL, url) {
const prefix = getPrefix(url);
return baseURL.href === expandURL(prefix).href || baseURL.href.startsWith(prefix);
}
function getRequestURL(url) {
const anchor = getAnchor(url);
return anchor != null
? url.href.slice(0, -(anchor.length + 1))
: url.href;
}
function toCacheKey(url) {
return getRequestURL(url);
}
function urlsAreEqual(left, right) {
return expandURL(left).href == expandURL(right).href;
}
function getPathComponents(url) {
return url.pathname.split("/").slice(1);
}
function getLastPathComponent(url) {
return getPathComponents(url).slice(-1)[0];
}
function getPrefix(url) {
return addTrailingSlash(url.origin + url.pathname);
}
function addTrailingSlash(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);
}
}
function dispatch(eventName, { target, cancelable, detail } = {}) {
const event = new CustomEvent(eventName, { cancelable, bubbles: true, detail });
if (target && target.isConnected) {
target.dispatchEvent(event);
}
else {
document.documentElement.dispatchEvent(event);
}
return event;
}
function nextAnimationFrame() {
return new Promise(resolve => requestAnimationFrame(() => resolve()));
}
function nextEventLoopTick() {
return new Promise(resolve => setTimeout(() => resolve(), 0));
}
function nextMicrotask() {
return Promise.resolve();
}
function parseHTMLDocument(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");
}
function interpolate(strings, values) {
return strings.reduce((result, string, i) => {
const value = values[i] == undefined ? "" : values[i];
return result + string + value;
}, "");
}
function uuid() {
return Array.apply(null, { 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("");
}
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;
if (this.isIdempotent) {
this.url = mergeFormDataEntries(location, [...body.entries()]);
}
else {
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() {
var _a, _b;
const { fetchOptions } = this;
(_b = (_a = this.delegate).prepareHeadersForRequest) === null || _b === void 0 ? void 0 : _b.call(_a, this.headers, 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') {
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.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 isIdempotent() {
return this.method == FetchMethod.get;
}
get abortSignal() {
return this.abortController.signal;
}
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.href,
resume: this.resolveRequestPromise
},
target: this.target
});
if (event.defaultPrevented)
await requestInterception;
}
}
function mergeFormDataEntries(url, entries) {
const currentSearchParams = new URLSearchParams(url.search);
for (const [name, value] of entries) {
if (value instanceof File)
continue;
if (currentSearchParams.has(name)) {
currentSearchParams.delete(name);
url.searchParams.set(name, value);
}
else {
url.searchParams.append(name, value);
}
}
return url;
}
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);
}
}
}
class StreamMessage {
constructor(html) {
this.templateElement = document.createElement("template");
this.templateElement.innerHTML = html;
}
static wrap(message) {
if (typeof message == "string") {
return new this(message);
}
else {
return message;
}
}
get fragment() {
const fragment = document.createDocumentFragment();
for (const element of this.foreignElements) {
fragment.appendChild(document.importNode(element, true));
}
return fragment;
}
get foreignElements() {
return this.templateChildren.reduce((streamElements, child) => {
if (child.tagName.toLowerCase() == "turbo-stream") {
return [...streamElements, child];
}
else {
return streamElements;
}
}, []);
}
get templateChildren() {
return Array.from(this.templateElement.content.children);
}
}
StreamMessage.contentType = "text/vnd.turbo-stream.html";
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;
}
}
class FormSubmission {
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.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;
return ((_a = this.submitter) === null || _a === void 0 ? void 0 : _a.getAttribute("formaction")) || this.formElement.getAttribute("action") || formElementAction || "";
}
get location() {
return expandURL(this.action);
}
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 isIdempotent() {
return this.fetchRequest.isIdempotent;
}
get stringFormData() {
return [...this.formData].reduce((entries, [name, value]) => {
return entries.concat(typeof value == "string" ? [[name, value]] : []);
}, []);
}
async start() {
const { initialized, requesting } = FormSubmissionState;
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;
}
}
prepareHeadersForRequest(headers, request) {
if (!request.isIdempotent) {
const token = getCookieValue(getMetaContent("csrf-param")) || getMetaContent("csrf-token");
if (token) {
headers["X-CSRF-Token"] = token;
}
headers["Accept"] = [StreamMessage.contentType, headers["Accept"]].join(", ");
}
}
requestStarted(request) {
this.state = FormSubmissionState.waiting;
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) {
this.state = FormSubmissionState.stopped;
dispatch("turbo:submit-end", { target: this.formElement, detail: Object.assign({ formSubmission: this }, this.result) });
this.delegate.formSubmissionFinished(this);
}
requestMustRedirect(request) {
return !request.isIdempotent && this.mustRedirect;
}
}
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 && value != null && formData.get(name) != value) {
formData.append(name, value);
}
return formData;
}
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 getMetaContent(name) {
const element = document.querySelector(`meta[name="${name}"]`);
return element && element.content;
}
function responseSucceededWithoutRedirect(response) {
return response.statusCode == 200 && !response.redirected;
}
class Snapshot {
constructor(element) {
this.element = element;
}
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 this.element.querySelector("[autofocus]");
}
get permanentElements() {
return [...this.element.querySelectorAll("[id][data-turbo-permanent]")];
}
getPermanentElementById(id) {
return this.element.querySelector(`#${id}[data-turbo-permanent]`);
}
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;
}
}
class FormInterceptor {
constructor(delegate, element) {
this.submitBubbled = ((event) => {
const form = event.target;
if (form instanceof HTMLFormElement && form.closest("turbo-frame, html") == this.element) {
const submitter = event.submitter || undefined;
if (this.delegate.shouldInterceptFormSubmission(form, submitter)) {
event.preventDefault();
event.stopImmediatePropagation();
this.delegate.formSubmissionIntercepted(form, submitter);
}
}
});
this.delegate = delegate;
this.element = element;
}
start() {
this.element.addEventListener("submit", this.submitBubbled);
}
stop() {
this.element.removeEventListener("submit", this.submitBubbled);
}
}
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;
this.prepareToRenderSnapshot(renderer);
const renderInterception = new Promise(resolve => this.resolveInterceptionPromise = resolve);
const immediateRender = this.delegate.allowsImmediateRender(snapshot, this.resolveInterceptionPromise);
if (!immediateRender)
await renderInterception;
await this.renderSnapshot(renderer);
this.delegate.viewRenderedSnapshot(snapshot, isPreview);
this.finishRenderingSnapshot(renderer);
}
finally {
delete this.renderer;
this.resolveRenderPromise(undefined);
delete this.renderPromise;
}
}
else {
this.invalidate();
}
}
invalidate() {
this.delegate.viewInvalidated();
}
prepareToRenderSnapshot(renderer) {
this.markAsPreview(renderer.isPreview);
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();
}
}
class FrameView extends View {
invalidate() {
this.element.innerHTML = "";
}
get snapshot() {
return new Snapshot(this.element);
}
}
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)) {
this.clickEvent.preventDefault();
event.preventDefault();
this.delegate.linkClickIntercepted(event.target, event.detail.url);
}
}
delete this.clickEvent;
});
this.willVisit = () => {
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;
}
}
class Bardo {
constructor(permanentElementMap) {
this.permanentElementMap = permanentElementMap;
}
static preservingPermanentElements(permanentElementMap, callback) {
const bardo = new this(permanentElementMap);
bardo.enter();
callback();
bardo.leave();
}
enter() {
for (const id in this.permanentElementMap) {
const [, newPermanentElement] = this.permanentElementMap[id];
this.replaceNewPermanentElementWithPlaceholder(newPermanentElement);
}
}
leave() {
for (const id in this.permanentElementMap) {
const [currentPermanentElement] = this.permanentElementMap[id];
this.replaceCurrentPermanentElementWithClone(currentPermanentElement);
this.replacePlaceholderWithPermanentElement(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, isPreview) {
this.currentSnapshot = currentSnapshot;
this.newSnapshot = newSnapshot;
this.isPreview = isPreview;
this.promise = new Promise((resolve, reject) => this.resolvingFunctions = { resolve, reject });
}
get shouldRender() {
return true;
}
prepareToRender() {
return;
}
finishRendering() {
if (this.resolvingFunctions) {
this.resolvingFunctions.resolve();
delete this.resolvingFunctions;
}
}
createScriptElement(element) {
if (element.getAttribute("data-turbo-eval") == "false") {
return element;
}
else {
const createdScriptElement = document.createElement("script");
if (this.cspNonce) {
createdScriptElement.nonce = this.cspNonce;
}
createdScriptElement.textContent = element.textContent;
createdScriptElement.async = false;
copyElementAttributes(createdScriptElement, element);
return createdScriptElement;
}
}
preservingPermanentElements(callback) {
Bardo.preservingPermanentElements(this.permanentElementMap, callback);
}
focusFirstAutofocusableElement() {
const element = this.connectedSnapshot.firstAutofocusableElement;
if (elementIsFocusable(element)) {
element.focus();
}
}
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 cspNonce() {
var _a;
return (_a = document.head.querySelector('meta[name="csp-nonce"]')) === null || _a === void 0 ? void 0 : _a.getAttribute("content");
}
}
function copyElementAttributes(destinationElement, sourceElement) {
for (const { name, value } of [...sourceElement.attributes]) {
destinationElement.setAttribute(name, value);
}
}
function elementIsFocusable(element) {
return element && typeof element.focus == "function";
}
class FrameRenderer extends Renderer {
get shouldRender() {
return true;
}
async render() {
await nextAnimationFrame();
this.preservingPermanentElements(() => {
this.loadFrameElement();
});
this.scrollFrameIntoView();
await nextAnimationFrame();
this.focusFirstAutofocusableElement();
await nextAnimationFrame();
this.activateScriptElements();
}
loadFrameElement() {
var _a;
const destinationRange = document.createRange();
destinationRange.selectNodeContents(this.currentElement);
destinationRange.deleteContents();
const frameElement = this.newElement;
const sourceRange = (_a = frameElement.ownerDocument) === null || _a === void 0 ? void 0 : _a.createRange();
if (sourceRange) {
sourceRange.selectNodeContents(frameElement);
this.currentElement.appendChild(sourceRange.extractContents());
}
}
scrollFrameIntoView() {
if (this.currentElement.autoscroll || this.newElement.autoscroll) {
const element = this.currentElement.firstElementChild;
const block = readScrollLogicalPosition(this.currentElement.getAttribute("data-autoscroll-block"), "end");
if (element) {
element.scrollIntoView({ block });
return true;
}
}
return false;
}
activateScriptElements() {
for (const inertScriptElement of this.newScriptElements) {
const activatedScriptElement = this.createScriptElement(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;
}
}
class ProgressBar {
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);
}
static get defaultCSS() {
return unindent `
.turbo-progress-bar {
position: fixed;
display: block;
top: 0;
left: 0;
height: 3px;
background: #0076ff;
z-index: 9999;
transition:
width ${ProgressBar.animationDuration}ms ease-out,
opacity ${ProgressBar.animationDuration / 2}ms ${ProgressBar.animationDuration / 2}ms ease-in;
transform: translate3d(0, 0, 0);
}
`;
}
show() {
if (!this.visible) {
this.visible = true;
this.installProgressElement();
this.startTrickling();
}
}
hide() {
if (this.visible && !this.hiding) {
this.hiding = true;
this.fadeProgressElement(() => {
this.uninstallProgressElement();
this.stopTrickling();
this.visible = false;
this.hiding = false;
});
}
}
setValue(value) {
this.value = value;
this.refresh();
}
installStylesheetElement() {
document.head.insertBefore(this.stylesheetElement, document.head.firstChild);
}
installProgressElement() {
this.progressElement.style.width = "0";
this.progressElement.style.opacity = "1";
document.documentElement.insertBefore(this.progressElement, document.body);
this.refresh();
}
fadeProgressElement(callback) {
this.progressElement.style.opacity = "0";
setTimeout(callback, ProgressBar.animationDuration * 1.5);
}
uninstallProgressElement() {
if (this.progressElement.parentNode) {
document.documentElement.removeChild(this.progressElement);
}
}
startTrickling() {
if (!this.trickleInterval) {
this.trickleInterval = window.setInterval(this.trickle, ProgressBar.animationDuration);
}
}
stopTrickling() {
window.clearInterval(this.trickleInterval);
delete this.trickleInterval;
}
refresh() {
requestAnimationFrame(() => {
this.progressElement.style.width = `${10 + (this.value * 90)}%`;
});
}
createStylesheetElement() {
const element = document.createElement("style");
element.type = "text/css";
element.textContent = ProgressBar.defaultCSS;
return element;
}
createProgressElement() {
const element = document.createElement("div");
element.className = "turbo-progress-bar";
return element;
}
}
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 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.tagName.toLowerCase();
return tagName == "script";
}
function elementIsNoscript(element) {
const tagName = element.tagName.toLowerCase();
return tagName == "noscript";
}
function elementIsStylesheet(element) {
const tagName = element.tagName.toLowerCase();
return tagName == "style" || (tagName == "link" && element.getAttribute("rel") == "stylesheet");
}
function elementIsMetaElementWithName(element, name) {
const tagName = element.tagName.toLowerCase();
return tagName == "meta" && element.getAttribute("name") == name;
}
function elementWithoutNonce(element) {
if (element.hasAttribute("nonce")) {
element.setAttribute("nonce", "");
}
return element;
}
class PageSnapshot extends Snapshot {
constructor(element, headSnapshot) {
super(element);
this.headSnapshot = headSnapshot;
}
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));
}
clone() {
return new PageSnapshot(this.element.cloneNode(true), 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";
}
get isVisitable() {
return this.getSetting("visit-control") != "reload";
}
getSetting(name) {
return this.headSnapshot.getMetaValue(`turbo-${name}`);
}
}
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
};
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.snapshotCached = false;
this.state = VisitState.initialized;
this.delegate = delegate;
this.location = location;
this.restorationIdentifier = restorationIdentifier || uuid();
const { action, historyChanged, referrer, snapshotHTML, response } = Object.assign(Object.assign({}, defaultOptions), options);
this.action = action;
this.historyChanged = historyChanged;
this.referrer = referrer;
this.snapshotHTML = snapshotHTML;
this.response = response;
this.isSamePage = this.delegate.locationWithActionIsSamePage(this.location, this.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.state = VisitState.completed;
this.adapter.visitCompleted(this);
this.delegate.visitCompleted(this);
this.followRedirect();
}
}
fail() {
if (this.state == VisitState.started) {
this.state = VisitState.failed;
this.adapter.visitFailed(this);
}
}
changeHistory() {
var _a;
if (!this.historyChanged) {
const actionForHistory = this.location.href === ((_a = this.referrer) === null || _a === void 0 ? void 0 : _a.href) ? "replace" : this.action;
const method = this.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 () => {
this.cacheSnapshot();
if (this.view.renderPromise)
await this.view.renderPromise;
if (isSuccessful(statusCode) && responseHTML != null) {
await this.view.renderPage(PageSnapshot.fromHTMLString(responseHTML));
this.adapter.visitRendered(this);
this.complete();
}
else {
await this.view.renderError(PageSnapshot.fromHTMLString(responseHTML));
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;
}
}
}
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.adapter.visitRendered(this);
}
else {
if (this.view.renderPromise)
await this.view.renderPromise;
await this.view.renderPage(snapshot, isPreview);
this.adapter.vi