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// node_modules/@alpinejs/focus/dist/module.esm.js var candidateSelectors = ["input", "select", "textarea", "a[href]", "button", "[tabindex]", "audio[controls]", "video[controls]", '[contenteditable]:not([contenteditable="false"])', "details>summary:first-of-type", "details"]; var candidateSelector = candidateSelectors.join(","); var matches = typeof Element === "undefined" ? function() { } : Element.prototype.matches || Element.prototype.msMatchesSelector || Element.prototype.webkitMatchesSelector; var getCandidates = function getCandidates2(el, includeContainer, filter) { var candidates = Array.prototype.slice.apply(el.querySelectorAll(candidateSelector)); if (includeContainer && matches.call(el, candidateSelector)) { candidates.unshift(el); } candidates = candidates.filter(filter); return candidates; }; var isContentEditable = function isContentEditable2(node) { return node.contentEditable === "true"; }; var getTabindex = function getTabindex2(node) { var tabindexAttr = parseInt(node.getAttribute("tabindex"), 10); if (!isNaN(tabindexAttr)) { return tabindexAttr; } if (isContentEditable(node)) { return 0; } if ((node.nodeName === "AUDIO" || node.nodeName === "VIDEO" || node.nodeName === "DETAILS") && node.getAttribute("tabindex") === null) { return 0; } return node.tabIndex; }; var sortOrderedTabbables = function sortOrderedTabbables2(a, b) { return a.tabIndex === b.tabIndex ? a.documentOrder - b.documentOrder : a.tabIndex - b.tabIndex; }; var isInput = function isInput2(node) { return node.tagName === "INPUT"; }; var isHiddenInput = function isHiddenInput2(node) { return isInput(node) && node.type === "hidden"; }; var isDetailsWithSummary = function isDetailsWithSummary2(node) { var r = node.tagName === "DETAILS" && Array.prototype.slice.apply(node.children).some(function(child) { return child.tagName === "SUMMARY"; }); return r; }; var getCheckedRadio = function getCheckedRadio2(nodes, form) { for (var i = 0; i < nodes.length; i++) { if (nodes[i].checked && nodes[i].form === form) { return nodes[i]; } } }; var isTabbableRadio = function isTabbableRadio2(node) { if (!node.name) { return true; } var radioScope = node.form || node.ownerDocument; var queryRadios = function queryRadios2(name) { return radioScope.querySelectorAll('input[type="radio"][name="' + name + '"]'); }; var radioSet; if (typeof window !== "undefined" && typeof window.CSS !== "undefined" && typeof window.CSS.escape === "function") { radioSet = queryRadios(window.CSS.escape(node.name)); } else { try { radioSet = queryRadios(node.name); } catch (err) { console.error("Looks like you have a radio button with a name attribute containing invalid CSS selector characters and need the CSS.escape polyfill: %s", err.message); return false; } } var checked = getCheckedRadio(radioSet, node.form); return !checked || checked === node; }; var isRadio = function isRadio2(node) { return isInput(node) && node.type === "radio"; }; var isNonTabbableRadio = function isNonTabbableRadio2(node) { return isRadio(node) && !isTabbableRadio(node); }; var isHidden = function isHidden2(node, displayCheck) { if (getComputedStyle(node).visibility === "hidden") { return true; } var isDirectSummary = matches.call(node, "details>summary:first-of-type"); var nodeUnderDetails = isDirectSummary ? node.parentElement : node; if (matches.call(nodeUnderDetails, "details:not([open]) *")) { return true; } if (!displayCheck || displayCheck === "full") { while (node) { if (getComputedStyle(node).display === "none") { return true; } node = node.parentElement; } } else if (displayCheck === "non-zero-area") { var _node$getBoundingClie = node.getBoundingClientRect(), width = _node$getBoundingClie.width, height = _node$getBoundingClie.height; return width === 0 && height === 0; } return false; }; var isDisabledFromFieldset = function isDisabledFromFieldset2(node) { if (isInput(node) || node.tagName === "SELECT" || node.tagName === "TEXTAREA" || node.tagName === "BUTTON") { var parentNode = node.parentElement; while (parentNode) { if (parentNode.tagName === "FIELDSET" && parentNode.disabled) { for (var i = 0; i < parentNode.children.length; i++) { var child = parentNode.children.item(i); if (child.tagName === "LEGEND") { if (child.contains(node)) { return false; } return true; } } return true; } parentNode = parentNode.parentElement; } } return false; }; var isNodeMatchingSelectorFocusable = function isNodeMatchingSelectorFocusable2(options, node) { if (node.disabled || isHiddenInput(node) || isHidden(node, options.displayCheck) || // For a details element with a summary, the summary element gets the focus isDetailsWithSummary(node) || isDisabledFromFieldset(node)) { return false; } return true; }; var isNodeMatchingSelectorTabbable = function isNodeMatchingSelectorTabbable2(options, node) { if (!isNodeMatchingSelectorFocusable(options, node) || isNonTabbableRadio(node) || getTabindex(node) < 0) { return false; } return true; }; var tabbable = function tabbable2(el, options) { options = options || {}; var regularTabbables = []; var orderedTabbables = []; var candidates = getCandidates(el, options.includeContainer, isNodeMatchingSelectorTabbable.bind(null, options)); candidates.forEach(function(candidate, i) { var candidateTabindex = getTabindex(candidate); if (candidateTabindex === 0) { regularTabbables.push(candidate); } else { orderedTabbables.push({ documentOrder: i, tabIndex: candidateTabindex, node: candidate }); } }); var tabbableNodes = orderedTabbables.sort(sortOrderedTabbables).map(function(a) { return a.node; }).concat(regularTabbables); return tabbableNodes; }; var focusable = function focusable2(el, options) { options = options || {}; var candidates = getCandidates(el, options.includeContainer, isNodeMatchingSelectorFocusable.bind(null, options)); return candidates; }; var focusableCandidateSelector = candidateSelectors.concat("iframe").join(","); var isFocusable = function isFocusable2(node, options) { options = options || {}; if (!node) { throw new Error("No node provided"); } if (matches.call(node, focusableCandidateSelector) === false) { return false; } return isNodeMatchingSelectorFocusable(options, node); }; function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) { symbols = symbols.filter(function(sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); } keys.push.apply(keys, symbols); } return keys; } function _objectSpread2(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function(key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function(key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; } function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; } var activeFocusTraps = function() { var trapQueue = []; return { activateTrap: function activateTrap(trap) { if (trapQueue.length > 0) { var activeTrap = trapQueue[trapQueue.length - 1]; if (activeTrap !== trap) { activeTrap.pause(); } } var trapIndex = trapQueue.indexOf(trap); if (trapIndex === -1) { trapQueue.push(trap); } else { trapQueue.splice(trapIndex, 1); trapQueue.push(trap); } }, deactivateTrap: function deactivateTrap(trap) { var trapIndex = trapQueue.indexOf(trap); if (trapIndex !== -1) { trapQueue.splice(trapIndex, 1); } if (trapQueue.length > 0) { trapQueue[trapQueue.length - 1].unpause(); } } }; }(); var isSelectableInput = function isSelectableInput2(node) { return node.tagName && node.tagName.toLowerCase() === "input" && typeof node.select === "function"; }; var isEscapeEvent = function isEscapeEvent2(e) { return e.key === "Escape" || e.key === "Esc" || e.keyCode === 27; }; var isTabEvent = function isTabEvent2(e) { return e.key === "Tab" || e.keyCode === 9; }; var delay = function delay2(fn) { return setTimeout(fn, 0); }; var findIndex = function findIndex2(arr, fn) { var idx = -1; arr.every(function(value, i) { if (fn(value)) { idx = i; return false; } return true; }); return idx; }; var valueOrHandler = function valueOrHandler2(value) { for (var _len = arguments.length, params = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) { params[_key - 1] = arguments[_key]; } return typeof value === "function" ? value.apply(void 0, params) : value; }; var createFocusTrap = function createFocusTrap2(elements, userOptions) { var doc = document; var config = _objectSpread2({ returnFocusOnDeactivate: true, escapeDeactivates: true, delayInitialFocus: true }, userOptions); var state = { // @type {Array
} containers: [], // list of objects identifying the first and last tabbable nodes in all containers/groups in // the trap // NOTE: it's possible that a group has no tabbable nodes if nodes get removed while the trap // is active, but the trap should never get to a state where there isn't at least one group // with at least one tabbable node in it (that would lead to an error condition that would // result in an error being thrown) // @type {Array<{ container: HTMLElement, firstTabbableNode: HTMLElement|null, lastTabbableNode: HTMLElement|null }>} tabbableGroups: [], nodeFocusedBeforeActivation: null, mostRecentlyFocusedNode: null, active: false, paused: false, // timer ID for when delayInitialFocus is true and initial focus in this trap // has been delayed during activation delayInitialFocusTimer: void 0 }; var trap; var getOption = function getOption2(configOverrideOptions, optionName, configOptionName) { return configOverrideOptions && configOverrideOptions[optionName] !== void 0 ? configOverrideOptions[optionName] : config[configOptionName || optionName]; }; var containersContain = function containersContain2(element) { return state.containers.some(function(container) { return container.contains(element); }); }; var getNodeForOption = function getNodeForOption2(optionName) { var optionValue = config[optionName]; if (!optionValue) { return null; } var node = optionValue; if (typeof optionValue === "string") { node = doc.querySelector(optionValue); if (!node) { throw new Error("`".concat(optionName, "` refers to no known node")); } } if (typeof optionValue === "function") { node = optionValue(); if (!node) { throw new Error("`".concat(optionName, "` did not return a node")); } } return node; }; var getInitialFocusNode = function getInitialFocusNode2() { var node; if (getOption({}, "initialFocus") === false) { return false; } if (getNodeForOption("initialFocus") !== null) { node = getNodeForOption("initialFocus"); } else if (containersContain(doc.activeElement)) { node = doc.activeElement; } else { var firstTabbableGroup = state.tabbableGroups[0]; var firstTabbableNode = firstTabbableGroup && firstTabbableGroup.firstTabbableNode; node = firstTabbableNode || getNodeForOption("fallbackFocus"); } if (!node) { throw new Error("Your focus-trap needs to have at least one focusable element"); } return node; }; var updateTabbableNodes = function updateTabbableNodes2() { state.tabbableGroups = state.containers.map(function(container) { var tabbableNodes = tabbable(container); if (tabbableNodes.length > 0) { return { container, firstTabbableNode: tabbableNodes[0], lastTabbableNode: tabbableNodes[tabbableNodes.length - 1] }; } return void 0; }).filter(function(group) { return !!group; }); if (state.tabbableGroups.length <= 0 && !getNodeForOption("fallbackFocus")) { throw new Error("Your focus-trap must have at least one container with at least one tabbable node in it at all times"); } }; var tryFocus = function tryFocus2(node) { if (node === false) { return; } if (node === doc.activeElement) { return; } if (!node || !node.focus) { tryFocus2(getInitialFocusNode()); return; } node.focus({ preventScroll: !!config.preventScroll }); state.mostRecentlyFocusedNode = node; if (isSelectableInput(node)) { node.select(); } }; var getReturnFocusNode = function getReturnFocusNode2(previousActiveElement) { var node = getNodeForOption("setReturnFocus"); return node ? node : previousActiveElement; }; var checkPointerDown = function checkPointerDown2(e) { if (containersContain(e.target)) { return; } if (valueOrHandler(config.clickOutsideDeactivates, e)) { trap.deactivate({ // if, on deactivation, we should return focus to the node originally-focused // when the trap was activated (or the configured `setReturnFocus` node), // then assume it's also OK to return focus to the outside node that was // just clicked, causing deactivation, as long as that node is focusable; // if it isn't focusable, then return focus to the original node focused // on activation (or the configured `setReturnFocus` node) // NOTE: by setting `returnFocus: false`, deactivate() will do nothing, // which will result in the outside click setting focus to the node // that was clicked, whether it's focusable or not; by setting // `returnFocus: true`, we'll attempt to re-focus the node originally-focused // on activation (or the configured `setReturnFocus` node) returnFocus: config.returnFocusOnDeactivate && !isFocusable(e.target) }); return; } if (valueOrHandler(config.allowOutsideClick, e)) { return; } e.preventDefault(); }; var checkFocusIn = function checkFocusIn2(e) { var targetContained = containersContain(e.target); if (targetContained || e.target instanceof Document) { if (targetContained) { state.mostRecentlyFocusedNode = e.target; } } else { e.stopImmediatePropagation(); tryFocus(state.mostRecentlyFocusedNode || getInitialFocusNode()); } }; var checkTab = function checkTab2(e) { updateTabbableNodes(); var destinationNode = null; if (state.tabbableGroups.length > 0) { var containerIndex = findIndex(state.tabbableGroups, function(_ref) { var container = _ref.container; return container.contains(e.target); }); if (containerIndex < 0) { if (e.shiftKey) { destinationNode = state.tabbableGroups[state.tabbableGroups.length - 1].lastTabbableNode; } else { destinationNode = state.tabbableGroups[0].firstTabbableNode; } } else if (e.shiftKey) { var startOfGroupIndex = findIndex(state.tabbableGroups, function(_ref2) { var firstTabbableNode = _ref2.firstTabbableNode; return e.target === firstTabbableNode; }); if (startOfGroupIndex < 0 && state.tabbableGroups[containerIndex].container === e.target) { startOfGroupIndex = containerIndex; } if (startOfGroupIndex >= 0) { var destinationGroupIndex = startOfGroupIndex === 0 ? state.tabbableGroups.length - 1 : startOfGroupIndex - 1; var destinationGroup = state.tabbableGroups[destinationGroupIndex]; destinationNode = destinationGroup.lastTabbableNode; } } else { var lastOfGroupIndex = findIndex(state.tabbableGroups, function(_ref3) { var lastTabbableNode = _ref3.lastTabbableNode; return e.target === lastTabbableNode; }); if (lastOfGroupIndex < 0 && state.tabbableGroups[containerIndex].container === e.target) { lastOfGroupIndex = containerIndex; } if (lastOfGroupIndex >= 0) { var _destinationGroupIndex = lastOfGroupIndex === state.tabbableGroups.length - 1 ? 0 : lastOfGroupIndex + 1; var _destinationGroup = state.tabbableGroups[_destinationGroupIndex]; destinationNode = _destinationGroup.firstTabbableNode; } } } else { destinationNode = getNodeForOption("fallbackFocus"); } if (destinationNode) { e.preventDefault(); tryFocus(destinationNode); } }; var checkKey = function checkKey2(e) { if (isEscapeEvent(e) && valueOrHandler(config.escapeDeactivates) !== false) { e.preventDefault(); trap.deactivate(); return; } if (isTabEvent(e)) { checkTab(e); return; } }; var checkClick = function checkClick2(e) { if (valueOrHandler(config.clickOutsideDeactivates, e)) { return; } if (containersContain(e.target)) { return; } if (valueOrHandler(config.allowOutsideClick, e)) { return; } e.preventDefault(); e.stopImmediatePropagation(); }; var addListeners = function addListeners2() { if (!state.active) { return; } activeFocusTraps.activateTrap(trap); state.delayInitialFocusTimer = config.delayInitialFocus ? delay(function() { tryFocus(getInitialFocusNode()); }) : tryFocus(getInitialFocusNode()); doc.addEventListener("focusin", checkFocusIn, true); doc.addEventListener("mousedown", checkPointerDown, { capture: true, passive: false }); doc.addEventListener("touchstart", checkPointerDown, { capture: true, passive: false }); doc.addEventListener("click", checkClick, { capture: true, passive: false }); doc.addEventListener("keydown", checkKey, { capture: true, passive: false }); return trap; }; var removeListeners = function removeListeners2() { if (!state.active) { return; } doc.removeEventListener("focusin", checkFocusIn, true); doc.removeEventListener("mousedown", checkPointerDown, true); doc.removeEventListener("touchstart", checkPointerDown, true); doc.removeEventListener("click", checkClick, true); doc.removeEventListener("keydown", checkKey, true); return trap; }; trap = { activate: function activate(activateOptions) { if (state.active) { return this; } var onActivate = getOption(activateOptions, "onActivate"); var onPostActivate = getOption(activateOptions, "onPostActivate"); var checkCanFocusTrap = getOption(activateOptions, "checkCanFocusTrap"); if (!checkCanFocusTrap) { updateTabbableNodes(); } state.active = true; state.paused = false; state.nodeFocusedBeforeActivation = doc.activeElement; if (onActivate) { onActivate(); } var finishActivation = function finishActivation2() { if (checkCanFocusTrap) { updateTabbableNodes(); } addListeners(); if (onPostActivate) { onPostActivate(); } }; if (checkCanFocusTrap) { checkCanFocusTrap(state.containers.concat()).then(finishActivation, finishActivation); return this; } finishActivation(); return this; }, deactivate: function deactivate(deactivateOptions) { if (!state.active) { return this; } clearTimeout(state.delayInitialFocusTimer); state.delayInitialFocusTimer = void 0; removeListeners(); state.active = false; state.paused = false; activeFocusTraps.deactivateTrap(trap); var onDeactivate = getOption(deactivateOptions, "onDeactivate"); var onPostDeactivate = getOption(deactivateOptions, "onPostDeactivate"); var checkCanReturnFocus = getOption(deactivateOptions, "checkCanReturnFocus"); if (onDeactivate) { onDeactivate(); } var returnFocus = getOption(deactivateOptions, "returnFocus", "returnFocusOnDeactivate"); var finishDeactivation = function finishDeactivation2() { delay(function() { if (returnFocus) { tryFocus(getReturnFocusNode(state.nodeFocusedBeforeActivation)); } if (onPostDeactivate) { onPostDeactivate(); } }); }; if (returnFocus && checkCanReturnFocus) { checkCanReturnFocus(getReturnFocusNode(state.nodeFocusedBeforeActivation)).then(finishDeactivation, finishDeactivation); return this; } finishDeactivation(); return this; }, pause: function pause() { if (state.paused || !state.active) { return this; } state.paused = true; removeListeners(); return this; }, unpause: function unpause() { if (!state.paused || !state.active) { return this; } state.paused = false; updateTabbableNodes(); addListeners(); return this; }, updateContainerElements: function updateContainerElements(containerElements) { var elementsAsArray = [].concat(containerElements).filter(Boolean); state.containers = elementsAsArray.map(function(element) { return typeof element === "string" ? doc.querySelector(element) : element; }); if (state.active) { updateTabbableNodes(); } return this; } }; trap.updateContainerElements(elements); return trap; }; function src_default(Alpine) { let lastFocused; let currentFocused; window.addEventListener("focusin", () => { lastFocused = currentFocused; currentFocused = document.activeElement; }); Alpine.magic("focus", (el) => { let within = el; return { __noscroll: false, __wrapAround: false, within(el2) { within = el2; return this; }, withoutScrolling() { this.__noscroll = true; return this; }, noscroll() { this.__noscroll = true; return this; }, withWrapAround() { this.__wrapAround = true; return this; }, wrap() { return this.withWrapAround(); }, focusable(el2) { return isFocusable(el2); }, previouslyFocused() { return lastFocused; }, lastFocused() { return lastFocused; }, focused() { return currentFocused; }, focusables() { if (Array.isArray(within)) return within; return focusable(within, { displayCheck: "none" }); }, all() { return this.focusables(); }, isFirst(el2) { let els = this.all(); return els[0] && els[0].isSameNode(el2); }, isLast(el2) { let els = this.all(); return els.length && els.slice(-1)[0].isSameNode(el2); }, getFirst() { return this.all()[0]; }, getLast() { return this.all().slice(-1)[0]; }, getNext() { let list = this.all(); let current = document.activeElement; if (list.indexOf(current) === -1) return; if (this.__wrapAround && list.indexOf(current) === list.length - 1) { return list[0]; } return list[list.indexOf(current) + 1]; }, getPrevious() { let list = this.all(); let current = document.activeElement; if (list.indexOf(current) === -1) return; if (this.__wrapAround && list.indexOf(current) === 0) { return list.slice(-1)[0]; } return list[list.indexOf(current) - 1]; }, first() { this.focus(this.getFirst()); }, last() { this.focus(this.getLast()); }, next() { this.focus(this.getNext()); }, previous() { this.focus(this.getPrevious()); }, prev() { return this.previous(); }, focus(el2) { if (!el2) return; setTimeout(() => { if (!el2.hasAttribute("tabindex")) el2.setAttribute("tabindex", "0"); el2.focus({ preventScroll: this._noscroll }); }); } }; }); Alpine.directive("trap", Alpine.skipDuringClone( (el, { expression, modifiers }, { effect, evaluateLater, cleanup }) => { let evaluator = evaluateLater(expression); let oldValue = false; let trap = createFocusTrap(el, { escapeDeactivates: false, allowOutsideClick: true, fallbackFocus: () => el, initialFocus: el.querySelector("[autofocus]") }); let undoInert = () => { }; let undoDisableScrolling = () => { }; const releaseFocus = () => { undoInert(); undoInert = () => { }; undoDisableScrolling(); undoDisableScrolling = () => { }; trap.deactivate({ returnFocus: !modifiers.includes("noreturn") }); }; effect(() => evaluator((value) => { if (oldValue === value) return; if (value && !oldValue) { setTimeout(() => { if (modifiers.includes("inert")) undoInert = setInert(el); if (modifiers.includes("noscroll")) undoDisableScrolling = disableScrolling(); trap.activate(); }); } if (!value && oldValue) { releaseFocus(); } oldValue = !!value; })); cleanup(releaseFocus); }, // When cloning, we only want to add aria-hidden attributes to the // DOM and not try to actually trap, as trapping can mess with the // live DOM and isn't just isolated to the cloned DOM. (el, { expression, modifiers }, { evaluate }) => { if (modifiers.includes("inert") && evaluate(expression)) setInert(el); } )); } function setInert(el) { let undos = []; crawlSiblingsUp(el, (sibling) => { let cache = sibling.hasAttribute("aria-hidden"); sibling.setAttribute("aria-hidden", "true"); undos.push(() => cache || sibling.removeAttribute("aria-hidden")); }); return () => { while (undos.length) undos.pop()(); }; } function crawlSiblingsUp(el, callback) { if (el.isSameNode(document.body) || !el.parentNode) return; Array.from(el.parentNode.children).forEach((sibling) => { if (sibling.isSameNode(el)) { crawlSiblingsUp(el.parentNode, callback); } else { callback(sibling); } }); } function disableScrolling() { let overflow = document.documentElement.style.overflow; let paddingRight = document.documentElement.style.paddingRight; let scrollbarWidth = window.innerWidth - document.documentElement.clientWidth; document.documentElement.style.overflow = "hidden"; document.documentElement.style.paddingRight = `${scrollbarWidth}px`; return () => { document.documentElement.style.overflow = overflow; document.documentElement.style.paddingRight = paddingRight; }; } var module_default = src_default; export { module_default as default }; /*! Bundled license information: @alpinejs/focus/dist/module.esm.js: (*! Bundled license information: tabbable/dist/index.esm.js: (*! * tabbable 5.2.1 * @license MIT, https://github.com/focus-trap/tabbable/blob/master/LICENSE *) focus-trap/dist/focus-trap.esm.js: (*! * focus-trap 6.6.1 * @license MIT, https://github.com/focus-trap/focus-trap/blob/master/LICENSE *) *) */ //# sourceMappingURL=@alpinejs_focus.js.map