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\"./Interop/Blazored.Modal.ts\");\n","import focusTrap, { Options, FocusTrap } from 'focus-trap';\n\ninterface FocusTrapInstance {\n    id: string;\n    focusTrap: FocusTrap;\n}\n\ninterface ModalInstance {\n    id: string;\n}\n\nexport class BlazoredModal {\n    \n    readonly _options: Options = { escapeDeactivates: false, allowOutsideClick: () => true };\n    private _traps: Array<FocusTrapInstance> = [];\n    private _modals: Array<ModalInstance> = [];\n\n    public activateScrollLock(id: string): void {\n        const scrollY = window.scrollY;\n        const body = document.body;\n        body.style.width = `${body.offsetWidth}px`;\n        body.style.position = 'fixed';\n        body.style.top = `-${scrollY}px`;\n        this._modals.push({ id });\n    }\n\n    public activateFocusTrap(element: any, id: string): void {\n        const trap = focusTrap(element, this._options);\n\n        try {\n            trap.activate();\n            this._traps.push({ id, focusTrap: trap });\n        } catch (e) {\n            if (e instanceof Error && e.message === 'Your focus-trap needs to have at least one focusable element') {\n                console.log('Focus trap not activated - No focusable elements found.');\n            }\n        }\n    }\n\n    public deactivateFocusTrap(id: string): void {\n        const trap = this._traps.find(i => i.id === id);\n        const scrollY = document.body.style.top;\n        if (this._modals.length == 1) {\n            document.body.style.position = '';\n            document.body.style.top = '';\n            document.body.style.width = '';\n        }\n        window.scrollTo(0, parseInt(scrollY || '0') * -1);\n        const currentModal = this._modals.find(i => i.id === id);\n        if (currentModal) {\n            const index = this._modals.indexOf(currentModal);\n            if (index > -1) {\n                this._modals.splice(index, 1);\n            }\n        }\n        if (trap) {\n            trap.focusTrap.deactivate();\n\n            const index = this._traps.indexOf(trap);\n            if (index > -1) {\n                this._traps.splice(index, 1);\n            }\n        }\n    }\n}\n\ndeclare global {\n    interface Window { BlazoredModal: BlazoredModal; }\n}\n\nwindow.BlazoredModal = new BlazoredModal();","var tabbable = require('tabbable');\nvar xtend = require('xtend');\n\nvar activeFocusDelay;\n\nvar activeFocusTraps = (function() {\n  var trapQueue = [];\n  return {\n    activateTrap: function(trap) {\n      if (trapQueue.length > 0) {\n        var activeTrap = trapQueue[trapQueue.length - 1];\n        if (activeTrap !== trap) {\n          activeTrap.pause();\n        }\n      }\n\n      var trapIndex = trapQueue.indexOf(trap);\n      if (trapIndex === -1) {\n        trapQueue.push(trap);\n      } else {\n        // move this existing trap to the front of the queue\n        trapQueue.splice(trapIndex, 1);\n        trapQueue.push(trap);\n      }\n    },\n\n    deactivateTrap: function(trap) {\n      var trapIndex = trapQueue.indexOf(trap);\n      if (trapIndex !== -1) {\n        trapQueue.splice(trapIndex, 1);\n      }\n\n      if (trapQueue.length > 0) {\n        trapQueue[trapQueue.length - 1].unpause();\n      }\n    }\n  };\n})();\n\nfunction focusTrap(element, userOptions) {\n  var doc = document;\n  var container =\n    typeof element === 'string' ? doc.querySelector(element) : element;\n\n  var config = xtend(\n    {\n      returnFocusOnDeactivate: true,\n      escapeDeactivates: true\n    },\n    userOptions\n  );\n\n  var state = {\n    firstTabbableNode: null,\n    lastTabbableNode: null,\n    nodeFocusedBeforeActivation: null,\n    mostRecentlyFocusedNode: null,\n    active: false,\n    paused: false\n  };\n\n  var trap = {\n    activate: activate,\n    deactivate: deactivate,\n    pause: pause,\n    unpause: unpause\n  };\n\n  return trap;\n\n  function activate(activateOptions) {\n    if (state.active) return;\n\n    updateTabbableNodes();\n\n    state.active = true;\n    state.paused = false;\n    state.nodeFocusedBeforeActivation = doc.activeElement;\n\n    var onActivate =\n      activateOptions && activateOptions.onActivate\n        ? activateOptions.onActivate\n        : config.onActivate;\n    if (onActivate) {\n      onActivate();\n    }\n\n    addListeners();\n    return trap;\n  }\n\n  function deactivate(deactivateOptions) {\n    if (!state.active) return;\n\n    clearTimeout(activeFocusDelay);\n\n    removeListeners();\n    state.active = false;\n    state.paused = false;\n\n    activeFocusTraps.deactivateTrap(trap);\n\n    var onDeactivate =\n      deactivateOptions && deactivateOptions.onDeactivate !== undefined\n        ? deactivateOptions.onDeactivate\n        : config.onDeactivate;\n    if (onDeactivate) {\n      onDeactivate();\n    }\n\n    var returnFocus =\n      deactivateOptions && deactivateOptions.returnFocus !== undefined\n        ? deactivateOptions.returnFocus\n        : config.returnFocusOnDeactivate;\n    if (returnFocus) {\n      delay(function() {\n        tryFocus(getReturnFocusNode(state.nodeFocusedBeforeActivation));\n      });\n    }\n\n    return trap;\n  }\n\n  function pause() {\n    if (state.paused || !state.active) return;\n    state.paused = true;\n    removeListeners();\n  }\n\n  function unpause() {\n    if (!state.paused || !state.active) return;\n    state.paused = false;\n    updateTabbableNodes();\n    addListeners();\n  }\n\n  function addListeners() {\n    if (!state.active) return;\n\n    // There can be only one listening focus trap at a time\n    activeFocusTraps.activateTrap(trap);\n\n    // Delay ensures that the focused element doesn't capture the event\n    // that caused the focus trap activation.\n    activeFocusDelay = delay(function() {\n      tryFocus(getInitialFocusNode());\n    });\n\n    doc.addEventListener('focusin', checkFocusIn, true);\n    doc.addEventListener('mousedown', checkPointerDown, {\n      capture: true,\n      passive: false\n    });\n    doc.addEventListener('touchstart', checkPointerDown, {\n      capture: true,\n      passive: false\n    });\n    doc.addEventListener('click', checkClick, {\n      capture: true,\n      passive: false\n    });\n    doc.addEventListener('keydown', checkKey, {\n      capture: true,\n      passive: false\n    });\n\n    return trap;\n  }\n\n  function removeListeners() {\n    if (!state.active) return;\n\n    doc.removeEventListener('focusin', checkFocusIn, true);\n    doc.removeEventListener('mousedown', checkPointerDown, true);\n    doc.removeEventListener('touchstart', checkPointerDown, true);\n    doc.removeEventListener('click', checkClick, true);\n    doc.removeEventListener('keydown', checkKey, true);\n\n    return trap;\n  }\n\n  function getNodeForOption(optionName) {\n    var optionValue = config[optionName];\n    var node = optionValue;\n    if (!optionValue) {\n      return null;\n    }\n    if (typeof optionValue === 'string') {\n      node = doc.querySelector(optionValue);\n      if (!node) {\n        throw new Error('`' + optionName + '` refers to no known node');\n      }\n    }\n    if (typeof optionValue === 'function') {\n      node = optionValue();\n      if (!node) {\n        throw new Error('`' + optionName + '` did not return a node');\n      }\n    }\n    return node;\n  }\n\n  function getInitialFocusNode() {\n    var node;\n    if (getNodeForOption('initialFocus') !== null) {\n      node = getNodeForOption('initialFocus');\n    } else if (container.contains(doc.activeElement)) {\n      node = doc.activeElement;\n    } else {\n      node = state.firstTabbableNode || getNodeForOption('fallbackFocus');\n    }\n\n    if (!node) {\n      throw new Error(\n        'Your focus-trap needs to have at least one focusable element'\n      );\n    }\n\n    return node;\n  }\n\n  function getReturnFocusNode(previousActiveElement) {\n    var node = getNodeForOption('setReturnFocus');\n    return node ? node : previousActiveElement;\n  }\n\n  // This needs to be done on mousedown and touchstart instead of click\n  // so that it precedes the focus event.\n  function checkPointerDown(e) {\n    if (container.contains(e.target)) return;\n    if (config.clickOutsideDeactivates) {\n      deactivate({\n        returnFocus: !tabbable.isFocusable(e.target)\n      });\n      return;\n    }\n    // This is needed for mobile devices.\n    // (If we'll only let `click` events through,\n    // then on mobile they will be blocked anyways if `touchstart` is blocked.)\n    if (config.allowOutsideClick && config.allowOutsideClick(e)) {\n      return;\n    }\n    e.preventDefault();\n  }\n\n  // In case focus escapes the trap for some strange reason, pull it back in.\n  function checkFocusIn(e) {\n    // In Firefox when you Tab out of an iframe the Document is briefly focused.\n    if (container.contains(e.target) || e.target instanceof Document) {\n      return;\n    }\n    e.stopImmediatePropagation();\n    tryFocus(state.mostRecentlyFocusedNode || getInitialFocusNode());\n  }\n\n  function checkKey(e) {\n    if (config.escapeDeactivates !== false && isEscapeEvent(e)) {\n      e.preventDefault();\n      deactivate();\n      return;\n    }\n    if (isTabEvent(e)) {\n      checkTab(e);\n      return;\n    }\n  }\n\n  // Hijack Tab events on the first and last focusable nodes of the trap,\n  // in order to prevent focus from escaping. If it escapes for even a\n  // moment it can end up scrolling the page and causing confusion so we\n  // kind of need to capture the action at the keydown phase.\n  function checkTab(e) {\n    updateTabbableNodes();\n    if (e.shiftKey && e.target === state.firstTabbableNode) {\n      e.preventDefault();\n      tryFocus(state.lastTabbableNode);\n      return;\n    }\n    if (!e.shiftKey && e.target === state.lastTabbableNode) {\n      e.preventDefault();\n      tryFocus(state.firstTabbableNode);\n      return;\n    }\n  }\n\n  function checkClick(e) {\n    if (config.clickOutsideDeactivates) return;\n    if (container.contains(e.target)) return;\n    if (config.allowOutsideClick && config.allowOutsideClick(e)) {\n      return;\n    }\n    e.preventDefault();\n    e.stopImmediatePropagation();\n  }\n\n  function updateTabbableNodes() {\n    var tabbableNodes = tabbable(container);\n    state.firstTabbableNode = tabbableNodes[0] || getInitialFocusNode();\n    state.lastTabbableNode =\n      tabbableNodes[tabbableNodes.length - 1] || getInitialFocusNode();\n  }\n\n  function tryFocus(node) {\n    if (node === doc.activeElement) return;\n    if (!node || !node.focus) {\n      tryFocus(getInitialFocusNode());\n      return;\n    }\n    node.focus();\n    state.mostRecentlyFocusedNode = node;\n    if (isSelectableInput(node)) {\n      node.select();\n    }\n  }\n}\n\nfunction isSelectableInput(node) {\n  return (\n    node.tagName &&\n    node.tagName.toLowerCase() === 'input' &&\n    typeof node.select === 'function'\n  );\n}\n\nfunction isEscapeEvent(e) {\n  return e.key === 'Escape' || e.key === 'Esc' || e.keyCode === 27;\n}\n\nfunction isTabEvent(e) {\n  return e.key === 'Tab' || e.keyCode === 9;\n}\n\nfunction delay(fn) {\n  return setTimeout(fn, 0);\n}\n\nmodule.exports = focusTrap;\n","var candidateSelectors = [\n  'input',\n  'select',\n  'textarea',\n  'a[href]',\n  'button',\n  '[tabindex]',\n  'audio[controls]',\n  'video[controls]',\n  '[contenteditable]:not([contenteditable=\"false\"])',\n];\nvar candidateSelector = candidateSelectors.join(',');\n\nvar matches = typeof Element === 'undefined'\n  ? function () {}\n  : Element.prototype.matches || Element.prototype.msMatchesSelector || Element.prototype.webkitMatchesSelector;\n\nfunction tabbable(el, options) {\n  options = options || {};\n\n  var regularTabbables = [];\n  var orderedTabbables = [];\n\n  var candidates = el.querySelectorAll(candidateSelector);\n\n  if (options.includeContainer) {\n    if (matches.call(el, candidateSelector)) {\n      candidates = Array.prototype.slice.apply(candidates);\n      candidates.unshift(el);\n    }\n  }\n\n  var i, candidate, candidateTabindex;\n  for (i = 0; i < candidates.length; i++) {\n    candidate = candidates[i];\n\n    if (!isNodeMatchingSelectorTabbable(candidate)) continue;\n\n    candidateTabindex = getTabindex(candidate);\n    if (candidateTabindex === 0) {\n      regularTabbables.push(candidate);\n    } else {\n      orderedTabbables.push({\n        documentOrder: i,\n        tabIndex: candidateTabindex,\n        node: candidate,\n      });\n    }\n  }\n\n  var tabbableNodes = orderedTabbables\n    .sort(sortOrderedTabbables)\n    .map(function(a) { return a.node })\n    .concat(regularTabbables);\n\n  return tabbableNodes;\n}\n\ntabbable.isTabbable = isTabbable;\ntabbable.isFocusable = isFocusable;\n\nfunction isNodeMatchingSelectorTabbable(node) {\n  if (\n    !isNodeMatchingSelectorFocusable(node)\n    || isNonTabbableRadio(node)\n    || getTabindex(node) < 0\n  ) {\n    return false;\n  }\n  return true;\n}\n\nfunction isTabbable(node) {\n  if (!node) throw new Error('No node provided');\n  if (matches.call(node, candidateSelector) === false) return false;\n  return isNodeMatchingSelectorTabbable(node);\n}\n\nfunction isNodeMatchingSelectorFocusable(node) {\n  if (\n    node.disabled\n    || isHiddenInput(node)\n    || isHidden(node)\n  ) {\n    return false;\n  }\n  return true;\n}\n\nvar focusableCandidateSelector = candidateSelectors.concat('iframe').join(',');\nfunction isFocusable(node) {\n  if (!node) throw new Error('No node provided');\n  if (matches.call(node, focusableCandidateSelector) === false) return false;\n  return isNodeMatchingSelectorFocusable(node);\n}\n\nfunction getTabindex(node) {\n  var tabindexAttr = parseInt(node.getAttribute('tabindex'), 10);\n  if (!isNaN(tabindexAttr)) return tabindexAttr;\n  // Browsers do not return `tabIndex` correctly for contentEditable nodes;\n  // so if they don't have a tabindex attribute specifically set, assume it's 0.\n  if (isContentEditable(node)) return 0;\n  return node.tabIndex;\n}\n\nfunction sortOrderedTabbables(a, b) {\n  return a.tabIndex === b.tabIndex ? a.documentOrder - b.documentOrder : a.tabIndex - b.tabIndex;\n}\n\nfunction isContentEditable(node) {\n  return node.contentEditable === 'true';\n}\n\nfunction isInput(node) {\n  return node.tagName === 'INPUT';\n}\n\nfunction isHiddenInput(node) {\n  return isInput(node) && node.type === 'hidden';\n}\n\nfunction isRadio(node) {\n  return isInput(node) && node.type === 'radio';\n}\n\nfunction isNonTabbableRadio(node) {\n  return isRadio(node) && !isTabbableRadio(node);\n}\n\nfunction getCheckedRadio(nodes) {\n  for (var i = 0; i < nodes.length; i++) {\n    if (nodes[i].checked) {\n      return nodes[i];\n    }\n  }\n}\n\nfunction isTabbableRadio(node) {\n  if (!node.name) return true;\n  // This won't account for the edge case where you have radio groups with the same\n  // in separate forms on the same page.\n  var radioSet = node.ownerDocument.querySelectorAll('input[type=\"radio\"][name=\"' + node.name + '\"]');\n  var checked = getCheckedRadio(radioSet);\n  return !checked || checked === node;\n}\n\nfunction isHidden(node) {\n  // offsetParent being null will allow detecting cases where an element is invisible or inside an invisible element,\n  // as long as the element does not use position: fixed. For them, their visibility has to be checked directly as well.\n  return node.offsetParent === null || getComputedStyle(node).visibility === 'hidden';\n}\n\nmodule.exports = tabbable;\n","module.exports = extend\n\nvar hasOwnProperty = Object.prototype.hasOwnProperty;\n\nfunction extend() {\n    var target = {}\n\n    for (var i = 0; i < arguments.length; i++) {\n        var source = arguments[i]\n\n        for (var key in source) {\n            if (hasOwnProperty.call(source, key)) {\n                target[key] = source[key]\n            }\n        }\n    }\n\n    return target\n}\n"],"sourceRoot":""}