From 430537d3c9c6f578d043f61b69ada1536a1a1934 Mon Sep 17 00:00:00 2001 From: Carson Date: Tue, 12 Mar 2024 16:48:50 -0500 Subject: [PATCH] Make card() a custom element --- R/card.R | 13 +- inst/components/dist/components.js | 330 ---------- inst/components/dist/components.js.map | 6 +- inst/components/dist/components.min.js | 4 +- inst/components/dist/components.min.js.map | 8 +- inst/components/dist/web-components.js | 585 +++++++++++++----- inst/components/dist/web-components.js.map | 8 +- inst/components/dist/web-components.min.js | 66 +- .../components/dist/web-components.min.js.map | 8 +- srcts/src/components/index.ts | 1 - .../components/{ => webcomponents}/card.ts | 180 ++---- srcts/src/components/webcomponents/index.ts | 2 + 12 files changed, 524 insertions(+), 687 deletions(-) rename srcts/src/components/{ => webcomponents}/card.ts (66%) diff --git a/R/card.R b/R/card.R index e68ac78be..4e264a0f4 100644 --- a/R/card.R +++ b/R/card.R @@ -90,15 +90,15 @@ card <- function(..., full_screen = FALSE, height = NULL, max_height = NULL, min max_height = validateCssUnit(max_height), min_height = validateCssUnit(min_height) ), - "data-bslib-card-init" = NA, - "data-full-screen" = if (full_screen) "false", + "data-full-screen" = if (full_screen) "false", !!!attribs, !!!children, if (full_screen) full_screen_toggle(attribs$id), - card_init_js(), component_dependencies() ) + tag <- web_component("bslib-card", tag) + tag <- bindFillRole(tag, container = TRUE, item = fill) tag <- tagAppendAttributes(tag, class = class) @@ -313,13 +313,6 @@ full_screen_toggle <- function(id_controls) { ) } -card_init_js <- function() { - tags$script( - `data-bslib-card-init` = NA, - HTML("bslib.Card.initializeAllCards();") - ) -} - full_screen_toggle_icon <- function() { # https://www.visiwig.com/icons/ # https://www.visiwig.com/icons-license/ diff --git a/inst/components/dist/components.js b/inst/components/dist/components.js index 0c845f603..0332a639b 100644 --- a/inst/components/dist/components.js +++ b/inst/components/dist/components.js @@ -55,26 +55,6 @@ function hasDefinedProperty(obj, prop) { return Object.prototype.hasOwnProperty.call(obj, prop) && obj[prop] !== void 0; } - function getAllFocusableChildren(el) { - const base = [ - "a[href]", - "area[href]", - "button", - "details summary", - "input", - "iframe", - "select", - "textarea", - '[contentEditable=""]', - '[contentEditable="true"]', - '[contentEditable="TRUE"]', - "[tabindex]" - ]; - const modifiers = [':not([tabindex="-1"])', ":not([disabled])"]; - const selectors = base.map((b) => b + modifiers.join("")); - const focusable = el.querySelectorAll(selectors.join(", ")); - return Array.from(focusable); - } function shinyRenderContent(...args) { return __async(this, null, function* () { if (!window.Shiny) { @@ -380,315 +360,6 @@ } }); - // srcts/src/components/card.ts - var _Card, Card; - var init_card = __esm({ - "srcts/src/components/card.ts"() { - "use strict"; - init_utils(); - init_shinyResizeObserver(); - _Card = class { - /** - * Creates an instance of a bslib Card component. - * - * @constructor - * @param {HTMLElement} card - */ - constructor(card) { - var _a; - card.removeAttribute(_Card.attr.ATTR_INIT); - (_a = card.querySelector(`script[${_Card.attr.ATTR_INIT}]`)) == null ? void 0 : _a.remove(); - this.card = card; - _Card.instanceMap.set(card, this); - _Card.shinyResizeObserver.observe(this.card); - this._addEventListeners(); - this.overlay = this._createOverlay(); - this._exitFullScreenOnEscape = this._exitFullScreenOnEscape.bind(this); - this._trapFocusExit = this._trapFocusExit.bind(this); - } - /** - * Enter the card's full screen mode, either programmatically or via an event - * handler. Full screen mode is activated by adding a class to the card that - * positions it absolutely and expands it to fill the viewport. In addition, - * we add a full screen overlay element behind the card and we trap focus in - * the expanded card while in full screen mode. - * - * @param {?Event} [event] - */ - enterFullScreen(event) { - var _a; - if (event) - event.preventDefault(); - if (this.card.id) { - this.overlay.anchor.setAttribute("aria-controls", this.card.id); - } - document.addEventListener("keydown", this._exitFullScreenOnEscape, false); - document.addEventListener("keydown", this._trapFocusExit, true); - this.card.setAttribute(_Card.attr.ATTR_FULL_SCREEN, "true"); - document.body.classList.add(_Card.attr.CLASS_HAS_FULL_SCREEN); - this.card.insertAdjacentElement("beforebegin", this.overlay.container); - if (!this.card.contains(document.activeElement) || ((_a = document.activeElement) == null ? void 0 : _a.classList.contains( - _Card.attr.CLASS_FULL_SCREEN_ENTER - ))) { - this.card.setAttribute("tabindex", "-1"); - this.card.focus(); - } - this._emitFullScreenEvent(true); - } - /** - * Exit full screen mode. This removes the full screen overlay element, - * removes the full screen class from the card, and removes the keyboard event - * listeners that were added when entering full screen mode. - */ - exitFullScreen() { - document.removeEventListener( - "keydown", - this._exitFullScreenOnEscape, - false - ); - document.removeEventListener("keydown", this._trapFocusExit, true); - this.overlay.container.remove(); - this.card.setAttribute(_Card.attr.ATTR_FULL_SCREEN, "false"); - this.card.removeAttribute("tabindex"); - document.body.classList.remove(_Card.attr.CLASS_HAS_FULL_SCREEN); - this._emitFullScreenEvent(false); - } - /** - * Emits a custom event to communicate the card's full screen state change. - * @private - * @param {boolean} fullScreen - */ - _emitFullScreenEvent(fullScreen) { - const event = new CustomEvent("bslib.card", { - bubbles: true, - detail: { fullScreen } - }); - this.card.dispatchEvent(event); - } - /** - * Adds general card-specific event listeners. - * @private - */ - _addEventListeners() { - const btnFullScreen = this.card.querySelector( - `:scope > * > .${_Card.attr.CLASS_FULL_SCREEN_ENTER}` - ); - if (!btnFullScreen) - return; - btnFullScreen.addEventListener("click", (ev) => this.enterFullScreen(ev)); - } - /** - * An event handler to exit full screen mode when the Escape key is pressed. - * @private - * @param {KeyboardEvent} event - */ - _exitFullScreenOnEscape(event) { - if (!(event.target instanceof HTMLElement)) - return; - const selOpenSelectInput = ["select[open]", "input[aria-expanded='true']"]; - if (event.target.matches(selOpenSelectInput.join(", "))) - return; - if (event.key === "Escape") { - this.exitFullScreen(); - } - } - /** - * An event handler to trap focus within the card when in full screen mode. - * - * @description - * This keyboard event handler ensures that tab focus stays within the card - * when in full screen mode. When the card is first expanded, - * we move focus to the card element itself. If focus somehow leaves the card, - * we returns focus to the card container. - * - * Within the card, we handle only tabbing from the close anchor or the last - * focusable element and only when tab focus would have otherwise left the - * card. In those cases, we cycle focus to the last focusable element or back - * to the anchor. If the card doesn't have any focusable elements, we move - * focus to the close anchor. - * - * @note - * Because the card contents may change, we check for focusable elements - * every time the handler is called. - * - * @private - * @param {KeyboardEvent} event - */ - _trapFocusExit(event) { - if (!(event instanceof KeyboardEvent)) - return; - if (event.key !== "Tab") - return; - const isFocusedContainer = event.target === this.card; - const isFocusedAnchor = event.target === this.overlay.anchor; - const isFocusedWithin = this.card.contains(event.target); - const stopEvent = () => { - event.preventDefault(); - event.stopImmediatePropagation(); - }; - if (!(isFocusedWithin || isFocusedContainer || isFocusedAnchor)) { - stopEvent(); - this.card.focus(); - return; - } - const focusableElements = getAllFocusableChildren(this.card).filter( - (el) => !el.classList.contains(_Card.attr.CLASS_FULL_SCREEN_ENTER) - ); - const hasFocusableElements = focusableElements.length > 0; - if (!hasFocusableElements) { - stopEvent(); - this.overlay.anchor.focus(); - return; - } - if (isFocusedContainer) - return; - const lastFocusable = focusableElements[focusableElements.length - 1]; - const isFocusedLast = event.target === lastFocusable; - if (isFocusedAnchor && event.shiftKey) { - stopEvent(); - lastFocusable.focus(); - return; - } - if (isFocusedLast && !event.shiftKey) { - stopEvent(); - this.overlay.anchor.focus(); - return; - } - } - /** - * Creates the full screen overlay. - * @private - * @returns {CardFullScreenOverlay} - */ - _createOverlay() { - const container = document.createElement("div"); - container.id = _Card.attr.ID_FULL_SCREEN_OVERLAY; - container.onclick = this.exitFullScreen.bind(this); - const anchor = this._createOverlayCloseAnchor(); - container.appendChild(anchor); - return { container, anchor }; - } - /** - * Creates the anchor element used to exit the full screen mode. - * @private - * @returns {CardFullScreenOverlay["anchor"]} - */ - _createOverlayCloseAnchor() { - const anchor = document.createElement("a"); - anchor.classList.add(_Card.attr.CLASS_FULL_SCREEN_EXIT); - anchor.tabIndex = 0; - anchor.setAttribute("aria-expanded", "true"); - anchor.setAttribute("aria-label", "Close card"); - anchor.setAttribute("role", "button"); - anchor.onclick = (ev) => { - this.exitFullScreen(); - ev.stopPropagation(); - }; - anchor.onkeydown = (ev) => { - if (ev.key === "Enter" || ev.key === " ") { - this.exitFullScreen(); - } - }; - anchor.innerHTML = this._overlayCloseHtml(); - return anchor; - } - /** - * Returns the HTML for the close icon. - * @private - * @returns {string} - */ - _overlayCloseHtml() { - return "Close "; - } - /** - * Returns the card instance associated with the given element, if any. - * @public - * @static - * @param {HTMLElement} el - * @returns {(Card | undefined)} - */ - static getInstance(el) { - return _Card.instanceMap.get(el); - } - /** - * Initializes all cards that require initialization on the page, or schedules - * initialization if the DOM is not yet ready. - * @public - * @static - * @param {boolean} [flushResizeObserver=true] - */ - static initializeAllCards(flushResizeObserver = true) { - if (document.readyState === "loading") { - if (!_Card.onReadyScheduled) { - _Card.onReadyScheduled = true; - document.addEventListener("DOMContentLoaded", () => { - _Card.initializeAllCards(false); - }); - } - return; - } - if (flushResizeObserver) { - _Card.shinyResizeObserver.flush(); - } - const initSelector = `.${_Card.attr.CLASS_CARD}[${_Card.attr.ATTR_INIT}]`; - if (!document.querySelector(initSelector)) { - return; - } - const cards = document.querySelectorAll(initSelector); - cards.forEach((card) => new _Card(card)); - } - }; - Card = _Card; - /** - * Key bslib-specific classes and attributes used by the card component. - * @private - * @static - * @type {{ ATTR_INIT: string; CLASS_CARD: string; CLASS_FULL_SCREEN: string; CLASS_HAS_FULL_SCREEN: string; CLASS_FULL_SCREEN_ENTER: string; CLASS_FULL_SCREEN_EXIT: string; ID_FULL_SCREEN_OVERLAY: string; }} - */ - Card.attr = { - // eslint-disable-next-line @typescript-eslint/naming-convention - ATTR_INIT: "data-bslib-card-init", - // eslint-disable-next-line @typescript-eslint/naming-convention - CLASS_CARD: "bslib-card", - // eslint-disable-next-line @typescript-eslint/naming-convention - ATTR_FULL_SCREEN: "data-full-screen", - // eslint-disable-next-line @typescript-eslint/naming-convention - CLASS_HAS_FULL_SCREEN: "bslib-has-full-screen", - // eslint-disable-next-line @typescript-eslint/naming-convention - CLASS_FULL_SCREEN_ENTER: "bslib-full-screen-enter", - // eslint-disable-next-line @typescript-eslint/naming-convention - CLASS_FULL_SCREEN_EXIT: "bslib-full-screen-exit", - // eslint-disable-next-line @typescript-eslint/naming-convention - ID_FULL_SCREEN_OVERLAY: "bslib-full-screen-overlay" - }; - /** - * A Shiny-specific resize observer that ensures Shiny outputs in within the - * card resize appropriately. - * @private - * @type {ShinyResizeObserver} - * @static - */ - Card.shinyResizeObserver = new ShinyResizeObserver(); - /** - * The registry of card instances and their associated DOM elements. - * @private - * @static - * @type {WeakMap} - */ - Card.instanceMap = /* @__PURE__ */ new WeakMap(); - /** - * If cards are initialized before the DOM is ready, we re-schedule the - * initialization to occur on DOMContentLoaded. - * @private - * @static - * @type {boolean} - */ - Card.onReadyScheduled = false; - window.bslib = window.bslib || {}; - window.bslib.Card = Card; - } - }); - // srcts/src/components/sidebar.ts var _Sidebar, Sidebar, SidebarInputBinding; var init_sidebar = __esm({ @@ -1150,7 +821,6 @@ var require_components = __commonJS({ "srcts/src/components/index.ts"(exports) { init_accordion(); - init_card(); init_sidebar(); init_taskButton(); init_utils(); diff --git a/inst/components/dist/components.js.map b/inst/components/dist/components.js.map index 4f4647b5d..4446128d0 100644 --- a/inst/components/dist/components.js.map +++ b/inst/components/dist/components.js.map @@ -1,7 +1,7 @@ { "version": 3, - "sources": ["../../../srcts/src/components/_utils.ts", "../../../srcts/src/components/accordion.ts", "../../../srcts/src/components/_shinyResizeObserver.ts", "../../../srcts/src/components/card.ts", "../../../srcts/src/components/sidebar.ts", "../../../srcts/src/components/taskButton.ts", "../../../srcts/src/components/_shinyAddCustomMessageHandlers.ts", "../../../srcts/src/components/index.ts"], - "sourcesContent": ["import type { HtmlDep } from \"rstudio-shiny/srcts/types/src/shiny/render\";\n\nimport type { InputBinding as InputBindingType } from \"rstudio-shiny/srcts/types/src/bindings/input\";\n\n// Exclude undefined from T\ntype NotUndefined = T extends undefined ? never : T;\n\n// eslint-disable-next-line @typescript-eslint/naming-convention\nconst InputBinding = (\n window.Shiny ? Shiny.InputBinding : class {}\n) as typeof InputBindingType;\n\nfunction registerBinding(\n inputBindingClass: new () => InputBindingType,\n name: string\n): void {\n if (window.Shiny) {\n Shiny.inputBindings.register(new inputBindingClass(), \"bslib.\" + name);\n }\n}\n\n// Return true if the key exists on the object and the value is not undefined.\n//\n// This method is mainly used in input bindings' `receiveMessage` method.\n// Since we know that the values are sent by Shiny via `{jsonlite}`,\n// then we know that there are no `undefined` values. `null` is possible, but not `undefined`.\nfunction hasDefinedProperty<\n Prop extends keyof X,\n X extends { [key: string]: any }\n>(\n obj: X,\n prop: Prop\n): obj is X & { [key in NonNullable]: NotUndefined } {\n return (\n Object.prototype.hasOwnProperty.call(obj, prop) && obj[prop] !== undefined\n );\n}\n\n// TODO: Shiny should trigger resize events when the output\n// https://github.com/rstudio/shiny/pull/3682\nfunction doWindowResizeOnElementResize(el: HTMLElement): void {\n if ($(el).data(\"window-resize-observer\")) {\n return;\n }\n const resizeEvent = new Event(\"resize\");\n const ro = new ResizeObserver(() => {\n window.dispatchEvent(resizeEvent);\n });\n ro.observe(el);\n $(el).data(\"window-resize-observer\", ro);\n}\n\nfunction getAllFocusableChildren(el: HTMLElement): HTMLElement[] {\n // Cross-referenced with https://allyjs.io/data-tables/focusable.html\n const base = [\n \"a[href]\",\n \"area[href]\",\n \"button\",\n \"details summary\",\n \"input\",\n \"iframe\",\n \"select\",\n \"textarea\",\n '[contentEditable=\"\"]',\n '[contentEditable=\"true\"]',\n '[contentEditable=\"TRUE\"]',\n \"[tabindex]\",\n ];\n const modifiers = [':not([tabindex=\"-1\"])', \":not([disabled])\"];\n const selectors = base.map((b) => b + modifiers.join(\"\"));\n const focusable = el.querySelectorAll(selectors.join(\", \"));\n return Array.from(focusable) as HTMLElement[];\n}\n\nasync function shinyRenderContent(\n ...args: Parameters\n): ReturnType {\n if (!window.Shiny) {\n throw new Error(\"This function must be called in a Shiny app.\");\n }\n if (Shiny.renderContentAsync) {\n return await Shiny.renderContentAsync.apply(null, args);\n } else {\n return await Shiny.renderContent.apply(null, args);\n }\n}\n\nexport {\n InputBinding,\n registerBinding,\n hasDefinedProperty,\n doWindowResizeOnElementResize,\n getAllFocusableChildren,\n shinyRenderContent,\n};\nexport type { HtmlDep };\n", "import type { HtmlDep } from \"./_utils\";\nimport {\n InputBinding,\n registerBinding,\n hasDefinedProperty,\n shinyRenderContent,\n} from \"./_utils\";\n\ntype AccordionItem = {\n item: HTMLElement;\n value: string;\n isOpen: () => boolean;\n show: () => void;\n hide: () => void;\n};\n\ntype HTMLContent = {\n html: string;\n deps?: HtmlDep[];\n};\n\ntype SetMessage = {\n method: \"set\";\n values: string[];\n};\n\ntype OpenMessage = {\n method: \"open\";\n values: string[] | true;\n};\n\ntype CloseMessage = {\n method: \"close\";\n values: string[] | true;\n};\n\ntype InsertMessage = {\n method: \"insert\";\n panel: HTMLContent;\n target: string;\n position: \"after\" | \"before\";\n};\n\ntype RemoveMessage = {\n method: \"remove\";\n target: string[];\n};\n\ntype UpdateMessage = {\n method: \"update\";\n target: string;\n value: string;\n body: HTMLContent;\n title: HTMLContent;\n icon: HTMLContent;\n};\n\ntype MessageData =\n | CloseMessage\n | InsertMessage\n | OpenMessage\n | RemoveMessage\n | SetMessage\n | UpdateMessage;\n\nclass AccordionInputBinding extends InputBinding {\n find(scope: HTMLElement) {\n return $(scope).find(\".accordion.bslib-accordion-input\");\n }\n\n getValue(el: HTMLElement): string[] | null {\n const items = this._getItemInfo(el);\n const selected = items.filter((x) => x.isOpen()).map((x) => x.value);\n return selected.length === 0 ? null : selected;\n }\n\n subscribe(el: HTMLElement, callback: (x: boolean) => void) {\n $(el).on(\n \"shown.bs.collapse.accordionInputBinding hidden.bs.collapse.accordionInputBinding\",\n // eslint-disable-next-line @typescript-eslint/no-unused-vars\n function (event) {\n callback(true);\n }\n );\n }\n\n unsubscribe(el: HTMLElement) {\n $(el).off(\".accordionInputBinding\");\n }\n\n async receiveMessage(el: HTMLElement, data: MessageData) {\n const method = data.method;\n if (method === \"set\") {\n this._setItems(el, data);\n } else if (method === \"open\") {\n this._openItems(el, data);\n } else if (method === \"close\") {\n this._closeItems(el, data);\n } else if (method === \"remove\") {\n this._removeItem(el, data);\n } else if (method === \"insert\") {\n await this._insertItem(el, data);\n } else if (method === \"update\") {\n await this._updateItem(el, data);\n } else {\n throw new Error(`Method not yet implemented: ${method}`);\n }\n }\n\n protected _setItems(el: HTMLElement, data: SetMessage) {\n const items = this._getItemInfo(el);\n const vals = this._getValues(el, items, data.values);\n items.forEach((x) => {\n vals.indexOf(x.value) > -1 ? x.show() : x.hide();\n });\n }\n\n protected _openItems(el: HTMLElement, data: OpenMessage) {\n const items = this._getItemInfo(el);\n const vals = this._getValues(el, items, data.values);\n items.forEach((x) => {\n if (vals.indexOf(x.value) > -1) x.show();\n });\n }\n\n protected _closeItems(el: HTMLElement, data: CloseMessage) {\n const items = this._getItemInfo(el);\n const vals = this._getValues(el, items, data.values);\n items.forEach((x) => {\n if (vals.indexOf(x.value) > -1) x.hide();\n });\n }\n\n protected async _insertItem(el: HTMLElement, data: InsertMessage) {\n let targetItem = this._findItem(el, data.target);\n\n // If no target was specified, or the target was not found, then default\n // to the first or last item, depending on the position\n if (!targetItem) {\n targetItem = (\n data.position === \"before\" ? el.firstElementChild : el.lastElementChild\n ) as HTMLElement;\n }\n\n const panel = data.panel;\n\n // If there is still no targetItem, then there are no items in the accordion\n if (targetItem) {\n await shinyRenderContent(\n targetItem,\n panel,\n data.position === \"before\" ? \"beforeBegin\" : \"afterEnd\"\n );\n } else {\n await shinyRenderContent(el, panel);\n }\n\n // Need to add a reference to the parent id that makes autoclose to work\n if (this._isAutoClosing(el)) {\n const val = $(panel.html).attr(\"data-value\");\n $(el)\n .find(`[data-value=\"${val}\"] .accordion-collapse`)\n .attr(\"data-bs-parent\", \"#\" + el.id);\n }\n }\n\n protected _removeItem(el: HTMLElement, data: RemoveMessage) {\n const targetItems = this._getItemInfo(el).filter(\n (x) => data.target.indexOf(x.value) > -1\n );\n\n const unbindAll = Shiny?.unbindAll;\n\n targetItems.forEach((x) => {\n if (unbindAll) unbindAll(x.item);\n x.item.remove();\n });\n }\n\n protected async _updateItem(el: HTMLElement, data: UpdateMessage) {\n const target = this._findItem(el, data.target);\n\n if (!target) {\n throw new Error(\n `Unable to find an accordion_panel() with a value of ${data.target}`\n );\n }\n\n if (hasDefinedProperty(data, \"value\")) {\n target.dataset.value = data.value;\n }\n\n if (hasDefinedProperty(data, \"body\")) {\n const body = target.querySelector(\".accordion-body\") as HTMLElement; // always exists\n await shinyRenderContent(body, data.body);\n }\n\n const header = target.querySelector(\".accordion-header\") as HTMLElement; // always exists\n\n if (hasDefinedProperty(data, \"title\")) {\n const title = header.querySelector(\".accordion-title\") as HTMLElement; // always exists\n await shinyRenderContent(title, data.title);\n }\n\n if (hasDefinedProperty(data, \"icon\")) {\n const icon = header.querySelector(\n \".accordion-button > .accordion-icon\"\n ) as HTMLElement; // always exists\n await shinyRenderContent(icon, data.icon);\n }\n }\n\n protected _getItemInfo(el: HTMLElement): AccordionItem[] {\n const items = Array.from(\n el.querySelectorAll(\":scope > .accordion-item\")\n ) as HTMLElement[];\n return items.map((x) => this._getSingleItemInfo(x));\n }\n\n protected _getSingleItemInfo(x: HTMLElement): AccordionItem {\n const collapse = x.querySelector(\".accordion-collapse\") as HTMLElement;\n const isOpen = () => $(collapse).hasClass(\"show\");\n return {\n item: x,\n value: x.dataset.value as string,\n isOpen: isOpen,\n show: () => {\n if (!isOpen()) $(collapse).collapse(\"show\");\n },\n hide: () => {\n if (isOpen()) $(collapse).collapse(\"hide\");\n },\n };\n }\n\n protected _getValues(\n el: HTMLElement,\n items: AccordionItem[],\n values: string[] | true\n ): string[] {\n let vals = values !== true ? values : items.map((x) => x.value);\n const autoclose = this._isAutoClosing(el);\n if (autoclose) {\n vals = vals.slice(vals.length - 1, vals.length);\n }\n return vals;\n }\n\n protected _findItem(el: HTMLElement, value: string): HTMLElement | null {\n return el.querySelector(`[data-value=\"${value}\"]`);\n }\n\n protected _isAutoClosing(el: HTMLElement): boolean {\n return el.classList.contains(\"autoclose\");\n }\n}\n\nregisterBinding(AccordionInputBinding, \"accordion\");\n", "/**\n * A resize observer that ensures Shiny outputs resize during or just after\n * their parent container size changes. Useful, in particular, for sidebar\n * transitions or for full-screen card transitions.\n *\n * @class ShinyResizeObserver\n * @typedef {ShinyResizeObserver}\n */\nclass ShinyResizeObserver {\n /**\n * The actual ResizeObserver instance.\n * @private\n * @type {ResizeObserver}\n */\n private resizeObserver: ResizeObserver;\n /**\n * An array of elements that are currently being watched by the Resize\n * Observer.\n *\n * @details\n * We don't currently have lifecycle hooks that allow us to unobserve elements\n * when they are removed from the DOM. As a result, we need to manually check\n * that the elements we're watching still exist in the DOM. This array keeps\n * track of the elements we're watching so that we can check them later.\n * @private\n * @type {HTMLElement[]}\n */\n private resizeObserverEntries: HTMLElement[];\n\n /**\n * Watch containers for size changes and ensure that Shiny outputs and\n * htmlwidgets within resize appropriately.\n *\n * @details\n * The ShinyResizeObserver is used to watch the containers, such as Sidebars\n * and Cards for size changes, in particular when the sidebar state is toggled\n * or the card body is expanded full screen. It performs two primary tasks:\n *\n * 1. Dispatches a `resize` event on the window object. This is necessary to\n * ensure that Shiny outputs resize appropriately. In general, the window\n * resizing is throttled and the output update occurs when the transition\n * is complete.\n * 2. If an output with a resize method on the output binding is detected, we\n * directly call the `.onResize()` method of the binding. This ensures that\n * htmlwidgets transition smoothly. In static mode, htmlwidgets does this\n * already.\n *\n * @note\n * This resize observer also handles race conditions in some complex\n * fill-based layouts with multiple outputs (e.g., plotly), where shiny\n * initializes with the correct sizing, but in-between the 1st and last\n * renderValue(), the size of the output containers can change, meaning every\n * output but the 1st gets initialized with the wrong size during their\n * renderValue(). Then, after the render phase, shiny won't know to trigger a\n * resize since all the widgets will return to their original size (and thus,\n * Shiny thinks there isn't any resizing to do). The resize observer works\n * around this by ensuring that the output is resized whenever its container\n * size changes.\n * @constructor\n */\n constructor() {\n this.resizeObserverEntries = [];\n this.resizeObserver = new ResizeObserver((entries) => {\n const resizeEvent = new Event(\"resize\");\n window.dispatchEvent(resizeEvent);\n\n // the rest of this callback is only relevant in Shiny apps\n if (!window.Shiny) return;\n\n const resized = [] as HTMLElement[];\n\n for (const entry of entries) {\n if (!(entry.target instanceof HTMLElement)) continue;\n if (!entry.target.querySelector(\".shiny-bound-output\")) continue;\n\n entry.target\n .querySelectorAll(\".shiny-bound-output\")\n .forEach((el) => {\n if (resized.includes(el)) return;\n\n const { binding, onResize } = $(el).data(\"shinyOutputBinding\");\n if (!binding || !binding.resize) return;\n\n // if this output is owned by another observer, skip it\n const owner = (el as any).shinyResizeObserver;\n if (owner && owner !== this) return;\n // mark this output as owned by this shinyResizeObserver instance\n if (!owner) (el as any).shinyResizeObserver = this;\n\n // trigger immediate resizing of outputs with a resize method\n onResize(el);\n // only once per output and resize event\n resized.push(el);\n\n // set plot images to 100% width temporarily during the transition\n if (!el.classList.contains(\"shiny-plot-output\")) return;\n const img = el.querySelector(\n 'img:not([width=\"100%\"])'\n );\n if (img) img.setAttribute(\"width\", \"100%\");\n });\n }\n });\n }\n\n /**\n * Observe an element for size changes.\n * @param {HTMLElement} el - The element to observe.\n */\n observe(el: HTMLElement): void {\n this.resizeObserver.observe(el);\n this.resizeObserverEntries.push(el);\n }\n\n /**\n * Stop observing an element for size changes.\n * @param {HTMLElement} el - The element to stop observing.\n */\n unobserve(el: HTMLElement): void {\n const idxEl = this.resizeObserverEntries.indexOf(el);\n if (idxEl < 0) return;\n\n this.resizeObserver.unobserve(el);\n this.resizeObserverEntries.splice(idxEl, 1);\n }\n\n /**\n * This method checks that we're not continuing to watch elements that no\n * longer exist in the DOM. If any are found, we stop observing them and\n * remove them from our array of observed elements.\n *\n * @private\n * @static\n */\n flush(): void {\n this.resizeObserverEntries.forEach((el) => {\n if (!document.body.contains(el)) this.unobserve(el);\n });\n }\n}\n\nexport { ShinyResizeObserver };\n", "import { getAllFocusableChildren } from \"./_utils\";\nimport { ShinyResizeObserver } from \"./_shinyResizeObserver\";\n\n/**\n * The overlay element that is placed behind the card when expanded full screen.\n *\n * @interface CardFullScreenOverlay\n * @typedef {CardFullScreenOverlay}\n */\ninterface CardFullScreenOverlay {\n /**\n * The full screen overlay container.\n * @type {HTMLDivElement}\n */\n container: HTMLDivElement;\n /**\n * The anchor element used to close the full screen overlay.\n * @type {HTMLAnchorElement}\n */\n anchor: HTMLAnchorElement;\n}\n\n/**\n * The bslib card component class.\n *\n * @class Card\n * @typedef {Card}\n */\nclass Card {\n /**\n * The card container element.\n * @private\n * @type {HTMLElement}\n */\n private card: HTMLElement;\n /**\n * The card's full screen overlay element. We create this element once and add\n * and remove it from the DOM as needed (this simplifies focus management\n * while in full screen mode).\n * @private\n * @type {CardFullScreenOverlay}\n */\n private overlay: CardFullScreenOverlay;\n\n /**\n * Key bslib-specific classes and attributes used by the card component.\n * @private\n * @static\n * @type {{ ATTR_INIT: string; CLASS_CARD: string; CLASS_FULL_SCREEN: string; CLASS_HAS_FULL_SCREEN: string; CLASS_FULL_SCREEN_ENTER: string; CLASS_FULL_SCREEN_EXIT: string; ID_FULL_SCREEN_OVERLAY: string; }}\n */\n private static attr = {\n // eslint-disable-next-line @typescript-eslint/naming-convention\n ATTR_INIT: \"data-bslib-card-init\",\n // eslint-disable-next-line @typescript-eslint/naming-convention\n CLASS_CARD: \"bslib-card\",\n // eslint-disable-next-line @typescript-eslint/naming-convention\n ATTR_FULL_SCREEN: \"data-full-screen\",\n // eslint-disable-next-line @typescript-eslint/naming-convention\n CLASS_HAS_FULL_SCREEN: \"bslib-has-full-screen\",\n // eslint-disable-next-line @typescript-eslint/naming-convention\n CLASS_FULL_SCREEN_ENTER: \"bslib-full-screen-enter\",\n // eslint-disable-next-line @typescript-eslint/naming-convention\n CLASS_FULL_SCREEN_EXIT: \"bslib-full-screen-exit\",\n // eslint-disable-next-line @typescript-eslint/naming-convention\n ID_FULL_SCREEN_OVERLAY: \"bslib-full-screen-overlay\",\n };\n\n /**\n * A Shiny-specific resize observer that ensures Shiny outputs in within the\n * card resize appropriately.\n * @private\n * @type {ShinyResizeObserver}\n * @static\n */\n private static shinyResizeObserver = new ShinyResizeObserver();\n\n /**\n * Creates an instance of a bslib Card component.\n *\n * @constructor\n * @param {HTMLElement} card\n */\n constructor(card: HTMLElement) {\n // remove initialization attribute and script\n card.removeAttribute(Card.attr.ATTR_INIT);\n card\n .querySelector(`script[${Card.attr.ATTR_INIT}]`)\n ?.remove();\n\n this.card = card;\n Card.instanceMap.set(card, this);\n\n // Let Shiny know to trigger resize when the card size changes\n // TODO: shiny could/should do this itself (rstudio/shiny#3682)\n Card.shinyResizeObserver.observe(this.card);\n\n this._addEventListeners();\n this.overlay = this._createOverlay();\n\n // bind event handler methods to this card instance\n this._exitFullScreenOnEscape = this._exitFullScreenOnEscape.bind(this);\n this._trapFocusExit = this._trapFocusExit.bind(this);\n }\n\n /**\n * Enter the card's full screen mode, either programmatically or via an event\n * handler. Full screen mode is activated by adding a class to the card that\n * positions it absolutely and expands it to fill the viewport. In addition,\n * we add a full screen overlay element behind the card and we trap focus in\n * the expanded card while in full screen mode.\n *\n * @param {?Event} [event]\n */\n enterFullScreen(event?: Event): void {\n if (event) event.preventDefault();\n\n // Update close anchor to control current expanded card\n if (this.card.id) {\n this.overlay.anchor.setAttribute(\"aria-controls\", this.card.id);\n }\n\n document.addEventListener(\"keydown\", this._exitFullScreenOnEscape, false);\n\n // trap focus in the fullscreen container, listening for Tab key on the\n // capture phase so we have the best chance of preventing other handlers\n document.addEventListener(\"keydown\", this._trapFocusExit, true);\n\n this.card.setAttribute(Card.attr.ATTR_FULL_SCREEN, \"true\");\n document.body.classList.add(Card.attr.CLASS_HAS_FULL_SCREEN);\n this.card.insertAdjacentElement(\"beforebegin\", this.overlay.container);\n\n // Set initial focus on the card, if not already\n if (\n !this.card.contains(document.activeElement) ||\n document.activeElement?.classList.contains(\n Card.attr.CLASS_FULL_SCREEN_ENTER\n )\n ) {\n this.card.setAttribute(\"tabindex\", \"-1\");\n this.card.focus();\n }\n\n this._emitFullScreenEvent(true);\n }\n\n /**\n * Exit full screen mode. This removes the full screen overlay element,\n * removes the full screen class from the card, and removes the keyboard event\n * listeners that were added when entering full screen mode.\n */\n exitFullScreen(): void {\n document.removeEventListener(\n \"keydown\",\n this._exitFullScreenOnEscape,\n false\n );\n document.removeEventListener(\"keydown\", this._trapFocusExit, true);\n\n // Remove overlay and remove full screen classes from card\n this.overlay.container.remove();\n this.card.setAttribute(Card.attr.ATTR_FULL_SCREEN, \"false\");\n this.card.removeAttribute(\"tabindex\");\n document.body.classList.remove(Card.attr.CLASS_HAS_FULL_SCREEN);\n\n this._emitFullScreenEvent(false);\n }\n\n /**\n * Emits a custom event to communicate the card's full screen state change.\n * @private\n * @param {boolean} fullScreen\n */\n private _emitFullScreenEvent(fullScreen: boolean): void {\n const event = new CustomEvent(\"bslib.card\", {\n bubbles: true,\n detail: { fullScreen },\n });\n this.card.dispatchEvent(event);\n }\n\n /**\n * Adds general card-specific event listeners.\n * @private\n */\n private _addEventListeners(): void {\n const btnFullScreen = this.card.querySelector(\n `:scope > * > .${Card.attr.CLASS_FULL_SCREEN_ENTER}`\n );\n if (!btnFullScreen) return;\n btnFullScreen.addEventListener(\"click\", (ev) => this.enterFullScreen(ev));\n }\n\n /**\n * An event handler to exit full screen mode when the Escape key is pressed.\n * @private\n * @param {KeyboardEvent} event\n */\n private _exitFullScreenOnEscape(event: KeyboardEvent): void {\n if (!(event.target instanceof HTMLElement)) return;\n // If the user is in the middle of a select input choice, don't exit\n const selOpenSelectInput = [\"select[open]\", \"input[aria-expanded='true']\"];\n if (event.target.matches(selOpenSelectInput.join(\", \"))) return;\n\n if (event.key === \"Escape\") {\n this.exitFullScreen();\n }\n }\n\n /**\n * An event handler to trap focus within the card when in full screen mode.\n *\n * @description\n * This keyboard event handler ensures that tab focus stays within the card\n * when in full screen mode. When the card is first expanded,\n * we move focus to the card element itself. If focus somehow leaves the card,\n * we returns focus to the card container.\n *\n * Within the card, we handle only tabbing from the close anchor or the last\n * focusable element and only when tab focus would have otherwise left the\n * card. In those cases, we cycle focus to the last focusable element or back\n * to the anchor. If the card doesn't have any focusable elements, we move\n * focus to the close anchor.\n *\n * @note\n * Because the card contents may change, we check for focusable elements\n * every time the handler is called.\n *\n * @private\n * @param {KeyboardEvent} event\n */\n private _trapFocusExit(event: KeyboardEvent): void {\n if (!(event instanceof KeyboardEvent)) return;\n if (event.key !== \"Tab\") return;\n\n const isFocusedContainer = event.target === this.card;\n const isFocusedAnchor = event.target === this.overlay.anchor;\n const isFocusedWithin = this.card.contains(event.target as Node);\n\n const stopEvent = () => {\n event.preventDefault();\n event.stopImmediatePropagation();\n };\n\n if (!(isFocusedWithin || isFocusedContainer || isFocusedAnchor)) {\n // If focus is outside the card, return to the card\n stopEvent();\n this.card.focus();\n return;\n }\n\n // Check focusables every time because the card contents may have changed\n // but exclude the full screen enter button from this list of elements\n const focusableElements = getAllFocusableChildren(this.card).filter(\n (el) => !el.classList.contains(Card.attr.CLASS_FULL_SCREEN_ENTER)\n );\n const hasFocusableElements = focusableElements.length > 0;\n\n // We need to handle five cases:\n // 1. The card has no focusable elements --> focus the anchor\n // 2. Focus is on the card container (do nothing, natural tab order)\n // 3. Focus is on the anchor and the user pressed Tab + Shift (backwards)\n // -> Move to the last focusable element (end of card)\n // 4. Focus is on the last focusable element and the user pressed Tab\n // (forwards) -> Move to the anchor (top of card)\n // 5. otherwise we don't interfere\n\n if (!hasFocusableElements) {\n // case 1\n stopEvent();\n this.overlay.anchor.focus();\n return;\n }\n\n // case 2\n if (isFocusedContainer) return;\n\n const lastFocusable = focusableElements[focusableElements.length - 1];\n const isFocusedLast = event.target === lastFocusable;\n\n if (isFocusedAnchor && event.shiftKey) {\n stopEvent();\n lastFocusable.focus();\n return;\n }\n\n if (isFocusedLast && !event.shiftKey) {\n stopEvent();\n this.overlay.anchor.focus();\n return;\n }\n }\n\n /**\n * Creates the full screen overlay.\n * @private\n * @returns {CardFullScreenOverlay}\n */\n private _createOverlay(): CardFullScreenOverlay {\n const container = document.createElement(\"div\");\n container.id = Card.attr.ID_FULL_SCREEN_OVERLAY;\n container.onclick = this.exitFullScreen.bind(this);\n\n const anchor = this._createOverlayCloseAnchor();\n container.appendChild(anchor);\n\n return { container, anchor };\n }\n\n /**\n * Creates the anchor element used to exit the full screen mode.\n * @private\n * @returns {CardFullScreenOverlay[\"anchor\"]}\n */\n private _createOverlayCloseAnchor(): CardFullScreenOverlay[\"anchor\"] {\n const anchor = document.createElement(\"a\");\n anchor.classList.add(Card.attr.CLASS_FULL_SCREEN_EXIT);\n anchor.tabIndex = 0;\n anchor.setAttribute(\"aria-expanded\", \"true\");\n anchor.setAttribute(\"aria-label\", \"Close card\");\n anchor.setAttribute(\"role\", \"button\");\n anchor.onclick = (ev) => {\n this.exitFullScreen();\n ev.stopPropagation();\n };\n anchor.onkeydown = (ev) => {\n if (ev.key === \"Enter\" || ev.key === \" \") {\n this.exitFullScreen();\n }\n };\n anchor.innerHTML = this._overlayCloseHtml();\n\n return anchor;\n }\n\n /**\n * Returns the HTML for the close icon.\n * @private\n * @returns {string}\n */\n private _overlayCloseHtml(): string {\n return (\n \"Close \" +\n \"\" +\n \"\"\n );\n }\n\n /**\n * The registry of card instances and their associated DOM elements.\n * @private\n * @static\n * @type {WeakMap}\n */\n private static instanceMap: WeakMap = new WeakMap();\n\n /**\n * Returns the card instance associated with the given element, if any.\n * @public\n * @static\n * @param {HTMLElement} el\n * @returns {(Card | undefined)}\n */\n public static getInstance(el: HTMLElement): Card | undefined {\n return Card.instanceMap.get(el);\n }\n\n /**\n * If cards are initialized before the DOM is ready, we re-schedule the\n * initialization to occur on DOMContentLoaded.\n * @private\n * @static\n * @type {boolean}\n */\n private static onReadyScheduled = false;\n\n /**\n * Initializes all cards that require initialization on the page, or schedules\n * initialization if the DOM is not yet ready.\n * @public\n * @static\n * @param {boolean} [flushResizeObserver=true]\n */\n public static initializeAllCards(flushResizeObserver = true): void {\n if (document.readyState === \"loading\") {\n if (!Card.onReadyScheduled) {\n Card.onReadyScheduled = true;\n document.addEventListener(\"DOMContentLoaded\", () => {\n Card.initializeAllCards(false);\n });\n }\n return;\n }\n\n if (flushResizeObserver) {\n // Trigger a recheck of observed cards to unobserve non-existent cards\n Card.shinyResizeObserver.flush();\n }\n\n const initSelector = `.${Card.attr.CLASS_CARD}[${Card.attr.ATTR_INIT}]`;\n if (!document.querySelector(initSelector)) {\n // no cards to initialize\n return;\n }\n\n const cards = document.querySelectorAll(initSelector);\n cards.forEach((card) => new Card(card as HTMLElement));\n }\n}\n\n// attach Sidebar class to window for global usage\n(window as any).bslib = (window as any).bslib || {};\n(window as any).bslib.Card = Card;\n\nexport { Card };\n", "import { InputBinding, registerBinding } from \"./_utils\";\nimport { ShinyResizeObserver } from \"./_shinyResizeObserver\";\n\n/**\n * Methods for programmatically toggling the state of the sidebar. These methods\n * describe the desired state of the sidebar: `\"close\"` and `\"open\"` transition\n * the sidebar to the desired state, unless the sidebar is already in that\n * state. `\"toggle\"` transitions the sidebar to the state opposite of its\n * current state.\n * @typedef {SidebarToggleMethod}\n */\ntype SidebarToggleMethod = \"close\" | \"open\" | \"toggle\";\n\n/**\n * Data received by the input binding's `receiveMessage` method.\n * @typedef {SidebarMessageData}\n */\ntype SidebarMessageData = {\n method: SidebarToggleMethod;\n};\n\n/**\n * Represents the size of the sidebar window either: \"desktop\" or \"mobile\".\n */\ntype SidebarWindowSize = \"desktop\" | \"mobile\";\n\n/**\n * The DOM elements that make up the sidebar. `main`, `sidebar`, and `toggle`\n * are all direct children of `container` (in that order).\n * @interface SidebarComponents\n * @typedef {SidebarComponents}\n */\ninterface SidebarComponents {\n /**\n * The `layout_sidebar()` parent container, with class\n * `Sidebar.classes.LAYOUT`.\n * @type {HTMLElement}\n */\n container: HTMLElement;\n /**\n * The main content area of the sidebar layout.\n * @type {HTMLElement}\n */\n main: HTMLElement;\n /**\n * The sidebar container of the sidebar layout.\n * @type {HTMLElement}\n */\n sidebar: HTMLElement;\n /**\n * The toggle button that is used to toggle the sidebar state.\n * @type {HTMLElement}\n */\n toggle: HTMLElement;\n}\n\n/**\n * The bslib sidebar component class. This class is only used for collapsible\n * sidebars.\n *\n * @class Sidebar\n * @typedef {Sidebar}\n */\nclass Sidebar {\n /**\n * The DOM elements that make up the sidebar, see `SidebarComponents`.\n * @private\n * @type {SidebarComponents}\n */\n private layout: SidebarComponents;\n\n /**\n * A Shiny-specific resize observer that ensures Shiny outputs in the main\n * content areas of the sidebar resize appropriately.\n * @private\n * @type {ShinyResizeObserver}\n * @static\n */\n private static shinyResizeObserver = new ShinyResizeObserver();\n\n /**\n * Creates an instance of a collapsible bslib Sidebar.\n * @constructor\n * @param {HTMLElement} container\n */\n constructor(container: HTMLElement) {\n Sidebar.instanceMap.set(container, this);\n this.layout = {\n container,\n main: container.querySelector(\":scope > .main\") as HTMLElement,\n sidebar: container.querySelector(\":scope > .sidebar\") as HTMLElement,\n toggle: container.querySelector(\n \":scope > .collapse-toggle\"\n ) as HTMLElement,\n } as SidebarComponents;\n\n const sideAccordion = this.layout.sidebar.querySelector(\n \":scope > .sidebar-content > .accordion\"\n );\n if (sideAccordion) {\n // Add `.has-accordion` class to `.sidebar-content` container\n sideAccordion?.parentElement?.classList.add(\"has-accordion\");\n sideAccordion.classList.add(\"accordion-flush\");\n }\n\n this._initSidebarCounters();\n this._initSidebarState();\n\n if (this._isCollapsible(\"desktop\") || this._isCollapsible(\"mobile\")) {\n this._initEventListeners();\n }\n\n // Start watching the main content area for size changes to ensure Shiny\n // outputs resize appropriately during sidebar transitions.\n Sidebar.shinyResizeObserver.observe(this.layout.main);\n\n container.removeAttribute(\"data-bslib-sidebar-init\");\n const initScript = container.querySelector(\n \":scope > script[data-bslib-sidebar-init]\"\n );\n if (initScript) {\n container.removeChild(initScript);\n }\n }\n\n /**\n * Read the current state of the sidebar. Note that, when calling this method,\n * the sidebar may be transitioning into the state returned by this method.\n *\n * @description\n * The sidebar state works as follows, starting from the open state. When the\n * sidebar is closed:\n * 1. We add both the `COLLAPSE` and `TRANSITIONING` classes to the sidebar.\n * 2. The sidebar collapse begins to animate. In general, where it is\n * supported, we transition the `grid-template-columns` property of the\n * sidebar layout. We also rotate the collapse icon and we use this\n * rotation to determine when the transition is complete.\n * 3. If another sidebar state toggle is requested while closing the sidebar,\n * we remove the `COLLAPSE` class and the animation immediately starts to\n * reverse.\n * 4. When the `transition` is complete, we remove the `TRANSITIONING` class.\n * @readonly\n * @type {boolean}\n */\n get isClosed(): boolean {\n return this.layout.container.classList.contains(Sidebar.classes.COLLAPSE);\n }\n\n /**\n * Static classes related to the sidebar layout or state.\n * @public\n * @static\n * @readonly\n * @type {{ LAYOUT: string; COLLAPSE: string; TRANSITIONING: string; }}\n */\n public static readonly classes = {\n // eslint-disable-next-line @typescript-eslint/naming-convention\n LAYOUT: \"bslib-sidebar-layout\",\n // eslint-disable-next-line @typescript-eslint/naming-convention\n COLLAPSE: \"sidebar-collapsed\",\n // eslint-disable-next-line @typescript-eslint/naming-convention\n TRANSITIONING: \"transitioning\",\n };\n\n /**\n * If sidebars are initialized before the DOM is ready, we re-schedule the\n * initialization to occur on DOMContentLoaded.\n * @private\n * @static\n * @type {boolean}\n */\n private static onReadyScheduled = false;\n /**\n * A map of initialized sidebars to their respective Sidebar instances.\n * @private\n * @static\n * @type {WeakMap}\n */\n private static instanceMap: WeakMap = new WeakMap();\n\n /**\n * Given a sidebar container, return the Sidebar instance associated with it.\n * @public\n * @static\n * @param {HTMLElement} el\n * @returns {(Sidebar | undefined)}\n */\n public static getInstance(el: HTMLElement): Sidebar | undefined {\n return Sidebar.instanceMap.get(el);\n }\n\n /**\n * Determine whether the sidebar is collapsible at a given screen size.\n * @private\n * @param {SidebarWindowSize} [size=\"desktop\"]\n * @returns {boolean}\n */\n private _isCollapsible(size: SidebarWindowSize = \"desktop\"): boolean {\n const { container } = this.layout;\n\n const attr =\n size === \"desktop\" ? \"collapsibleDesktop\" : \"collapsibleMobile\";\n\n const isCollapsible = container.dataset[attr];\n\n if (isCollapsible === undefined) {\n return true;\n }\n\n return isCollapsible.trim().toLowerCase() !== \"false\";\n }\n\n /**\n * Initialize all collapsible sidebars on the page.\n * @public\n * @static\n * @param {boolean} [flushResizeObserver=true] When `true`, we remove\n * non-existent elements from the ResizeObserver. This is required\n * periodically to prevent memory leaks. To avoid over-checking, we only flush\n * the ResizeObserver when initializing sidebars after page load.\n */\n public static initCollapsibleAll(flushResizeObserver = true): void {\n if (document.readyState === \"loading\") {\n if (!Sidebar.onReadyScheduled) {\n Sidebar.onReadyScheduled = true;\n document.addEventListener(\"DOMContentLoaded\", () => {\n Sidebar.initCollapsibleAll(false);\n });\n }\n return;\n }\n\n const initSelector = `.${Sidebar.classes.LAYOUT}[data-bslib-sidebar-init]`;\n if (!document.querySelector(initSelector)) {\n // no sidebars to initialize\n return;\n }\n\n if (flushResizeObserver) Sidebar.shinyResizeObserver.flush();\n\n const containers = document.querySelectorAll(initSelector);\n containers.forEach((container) => new Sidebar(container as HTMLElement));\n }\n\n /**\n * Initialize event listeners for the sidebar toggle button.\n * @private\n */\n private _initEventListeners(): void {\n const { toggle } = this.layout;\n\n toggle.addEventListener(\"click\", (ev) => {\n ev.preventDefault();\n this.toggle(\"toggle\");\n });\n\n // Remove the transitioning class when the transition ends. We watch the\n // collapse toggle icon because it's guaranteed to transition, whereas not\n // all browsers support animating grid-template-columns.\n toggle\n .querySelector(\".collapse-icon\")\n ?.addEventListener(\"transitionend\", () => this._finalizeState());\n\n if (this._isCollapsible(\"desktop\") && this._isCollapsible(\"mobile\")) {\n return;\n }\n\n // The sidebar is *sometimes* collapsible, so we need to handle window\n // resize events to ensure visibility and expected behavior.\n window.addEventListener(\"resize\", () => this._handleWindowResizeEvent());\n }\n\n /**\n * Initialize nested sidebar counters.\n *\n * @description\n * This function walks up the DOM tree, adding CSS variables to each direct\n * parent sidebar layout that count the layout's position in the stack of\n * nested layouts. We use these counters to keep the collapse toggles from\n * overlapping. Note that always-open sidebars that don't have collapse\n * toggles break the chain of nesting.\n * @private\n */\n private _initSidebarCounters(): void {\n const { container } = this.layout;\n\n const selectorChildLayouts =\n `.${Sidebar.classes.LAYOUT}` +\n \"> .main > \" +\n `.${Sidebar.classes.LAYOUT}:not([data-bslib-sidebar-open=\"always\"])`;\n\n const isInnermostLayout =\n container.querySelector(selectorChildLayouts) === null;\n\n if (!isInnermostLayout) {\n // There are sidebar layouts nested within this layout; defer to children\n return;\n }\n\n function nextSidebarParent(el: HTMLElement | null): HTMLElement | null {\n el = el ? el.parentElement : null;\n if (el && el.classList.contains(\"main\")) {\n // .bslib-sidebar-layout > .main > .bslib-sidebar-layout\n el = el.parentElement;\n }\n if (el && el.classList.contains(Sidebar.classes.LAYOUT)) {\n return el;\n }\n return null;\n }\n\n const layouts = [container];\n let parent = nextSidebarParent(container);\n\n while (parent) {\n // Add parent to front of layouts array, so we sort outer -> inner\n layouts.unshift(parent);\n parent = nextSidebarParent(parent);\n }\n\n const count = { left: 0, right: 0 };\n layouts.forEach(function (x: HTMLElement): void {\n const isRight = x.classList.contains(\"sidebar-right\");\n const thisCount = isRight ? count.right++ : count.left++;\n x.style.setProperty(\"--_js-toggle-count-this-side\", thisCount.toString());\n x.style.setProperty(\n \"--_js-toggle-count-max-side\",\n Math.max(count.right, count.left).toString()\n );\n });\n }\n\n /**\n * Retrieves the current window size by reading a CSS variable whose value is\n * toggled via media queries.\n * @returns The window size as `\"desktop\"` or `\"mobile\"`, or `\"\"` if not\n * available.\n */\n private _getWindowSize(): SidebarWindowSize | \"\" {\n const { container } = this.layout;\n\n return window\n .getComputedStyle(container)\n .getPropertyValue(\"--bslib-sidebar-js-window-size\")\n .trim() as SidebarWindowSize | \"\";\n }\n\n /**\n * Determine the initial toggle state of the sidebar at a current screen size.\n * It always returns whether we should `\"open\"` or `\"close\"` the sidebar.\n *\n * @private\n * @returns {(\"close\" | \"open\")}\n */\n private _initialToggleState(): \"close\" | \"open\" {\n const { container } = this.layout;\n\n const attr = this.windowSize === \"desktop\" ? \"openDesktop\" : \"openMobile\";\n\n const initState = container.dataset[attr]?.trim()?.toLowerCase();\n\n if (initState === undefined) {\n return \"open\";\n }\n\n if ([\"open\", \"always\"].includes(initState)) {\n return \"open\";\n }\n\n if ([\"close\", \"closed\"].includes(initState)) {\n return \"close\";\n }\n\n return \"open\";\n }\n\n /**\n * Initialize the sidebar's initial state when `open = \"desktop\"`.\n * @private\n */\n private _initSidebarState(): void {\n // Check the CSS variable to find out which mode we're in right now\n this.windowSize = this._getWindowSize();\n\n const initState = this._initialToggleState();\n this.toggle(initState, true);\n }\n\n /**\n * The current window size, either `\"desktop\"` or `\"mobile\"`.\n * @private\n * @type {SidebarWindowSize | \"\"}\n */\n private windowSize: SidebarWindowSize | \"\" = \"\";\n\n /**\n * Updates the sidebar state when the window is resized across the mobile-\n * desktop boundary.\n */\n private _handleWindowResizeEvent(): void {\n const newSize = this._getWindowSize();\n if (!newSize || newSize == this.windowSize) {\n return;\n }\n\n // Re-initializing for the new size also updates the tracked window size\n this._initSidebarState();\n }\n\n /**\n * Toggle the sidebar's open/closed state.\n * @public\n * @param {SidebarToggleMethod | undefined} method Whether to `\"open\"`,\n * `\"close\"` or `\"toggle\"` the sidebar. If `.toggle()` is called without an\n * argument, it will toggle the sidebar's state.\n * @param {boolean} [immediate=false] If `true`, the sidebar state will be\n * set immediately, without a transition. This is primarily used when the\n * sidebar is initialized.\n */\n public toggle(\n method: SidebarToggleMethod | undefined,\n immediate = false\n ): void {\n if (typeof method === \"undefined\") {\n method = \"toggle\";\n }\n\n const { container, sidebar } = this.layout;\n const isClosed = this.isClosed;\n\n if ([\"open\", \"close\", \"toggle\"].indexOf(method) === -1) {\n throw new Error(`Unknown method ${method}`);\n }\n\n if (method === \"toggle\") {\n method = isClosed ? \"open\" : \"close\";\n }\n\n if ((isClosed && method === \"close\") || (!isClosed && method === \"open\")) {\n // nothing to do, sidebar is already in the desired state\n if (immediate) this._finalizeState();\n return;\n }\n\n if (method === \"open\") {\n // unhide sidebar immediately when opening,\n // otherwise the sidebar is hidden on transitionend\n sidebar.hidden = false;\n }\n\n // If not immediate, add the .transitioning class to the sidebar for smooth\n // transitions. This class is removed when the transition ends.\n container.classList.toggle(Sidebar.classes.TRANSITIONING, !immediate);\n container.classList.toggle(Sidebar.classes.COLLAPSE);\n\n if (immediate) {\n // When transitioning, state is finalized on transitionend, otherwise we\n // need to manually and immediately finalize the state.\n this._finalizeState();\n }\n }\n\n /**\n * When the sidebar open/close transition ends, finalize the sidebar's state.\n * @private\n */\n private _finalizeState(): void {\n const { container, sidebar, toggle } = this.layout;\n container.classList.remove(Sidebar.classes.TRANSITIONING);\n sidebar.hidden = this.isClosed;\n toggle.setAttribute(\"aria-expanded\", this.isClosed ? \"false\" : \"true\");\n\n // Send browser-native event with updated sidebar state\n const event = new CustomEvent(\"bslib.sidebar\", {\n bubbles: true,\n detail: { open: !this.isClosed },\n });\n sidebar.dispatchEvent(event);\n\n // Trigger Shiny input and output binding events\n $(sidebar).trigger(\"toggleCollapse.sidebarInputBinding\");\n $(sidebar).trigger(this.isClosed ? \"hidden\" : \"shown\");\n }\n}\n\n/**\n * A Shiny input binding for a sidebar.\n * @class SidebarInputBinding\n * @typedef {SidebarInputBinding}\n * @extends {InputBinding}\n */\nclass SidebarInputBinding extends InputBinding {\n find(scope: HTMLElement) {\n return $(scope).find(`.${Sidebar.classes.LAYOUT} > .bslib-sidebar-input`);\n }\n\n getValue(el: HTMLElement): boolean {\n const sb = Sidebar.getInstance(el.parentElement as HTMLElement);\n if (!sb) return false;\n return !sb.isClosed;\n }\n\n setValue(el: HTMLElement, value: boolean): void {\n const method = value ? \"open\" : \"close\";\n this.receiveMessage(el, { method });\n }\n\n subscribe(el: HTMLElement, callback: (x: boolean) => void) {\n $(el).on(\n \"toggleCollapse.sidebarInputBinding\",\n // eslint-disable-next-line @typescript-eslint/no-unused-vars\n function (event) {\n callback(true);\n }\n );\n }\n\n unsubscribe(el: HTMLElement) {\n $(el).off(\".sidebarInputBinding\");\n }\n\n receiveMessage(el: HTMLElement, data: SidebarMessageData) {\n const sb = Sidebar.getInstance(el.parentElement as HTMLElement);\n if (sb) sb.toggle(data.method);\n }\n}\n\nregisterBinding(SidebarInputBinding, \"sidebar\");\n\n// attach Sidebar class to window for global usage\n(window as any).bslib = (window as any).bslib || {};\n(window as any).bslib.Sidebar = Sidebar;\n", "import { InputBinding, registerBinding } from \"./_utils\";\nimport type { BslibSwitchInline } from \"./webcomponents/switch\";\n\ntype TaskButtonMessage = {\n state: string;\n};\n\n/**\n * This is a Shiny input binding for `bslib::input_task_button()`. It is not a\n * web component, though one of its children is . The\n * reason it is not a web component is because it is primarily a button, and I\n * wanted to use the native