🆙 Add cms i using 🆙

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/*!
* focus-trap 6.9.4
* @license MIT, https://github.com/focus-trap/focus-trap/blob/master/LICENSE
*/
import { tabbable, focusable, isTabbable, isFocusable } from 'tabbable';
function ownKeys(object, enumerableOnly) {
var keys = Object.keys(object);
if (Object.getOwnPropertySymbols) {
var symbols = Object.getOwnPropertySymbols(object);
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 = null != arguments[i] ? arguments[i] : {};
i % 2 ? ownKeys(Object(source), !0).forEach(function (key) {
_defineProperty(target, key, source[key]);
}) : Object.getOwnPropertyDescriptors ? Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) : 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: 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 {
// move this existing trap to the front of the queue
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 isSelectableInput(node) {
return node.tagName && node.tagName.toLowerCase() === 'input' && typeof node.select === 'function';
};
var isEscapeEvent = function isEscapeEvent(e) {
return e.key === 'Escape' || e.key === 'Esc' || e.keyCode === 27;
};
var isTabEvent = function isTabEvent(e) {
return e.key === 'Tab' || e.keyCode === 9;
};
var delay = function delay(fn) {
return setTimeout(fn, 0);
}; // Array.find/findIndex() are not supported on IE; this replicates enough
// of Array.findIndex() for our needs
var findIndex = function findIndex(arr, fn) {
var idx = -1;
arr.every(function (value, i) {
if (fn(value)) {
idx = i;
return false; // break
}
return true; // next
});
return idx;
};
/**
* Get an option's value when it could be a plain value, or a handler that provides
* the value.
* @param {*} value Option's value to check.
* @param {...*} [params] Any parameters to pass to the handler, if `value` is a function.
* @returns {*} The `value`, or the handler's returned value.
*/
var valueOrHandler = function valueOrHandler(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 getActualTarget = function getActualTarget(event) {
// NOTE: If the trap is _inside_ a shadow DOM, event.target will always be the
// shadow host. However, event.target.composedPath() will be an array of
// nodes "clicked" from inner-most (the actual element inside the shadow) to
// outer-most (the host HTML document). If we have access to composedPath(),
// then use its first element; otherwise, fall back to event.target (and
// this only works for an _open_ shadow DOM; otherwise,
// composedPath()[0] === event.target always).
return event.target.shadowRoot && typeof event.composedPath === 'function' ? event.composedPath()[0] : event.target;
};
var createFocusTrap = function createFocusTrap(elements, userOptions) {
// SSR: a live trap shouldn't be created in this type of environment so this
// should be safe code to execute if the `document` option isn't specified
var doc = (userOptions === null || userOptions === void 0 ? void 0 : userOptions.document) || document;
var config = _objectSpread2({
returnFocusOnDeactivate: true,
escapeDeactivates: true,
delayInitialFocus: true
}, userOptions);
var state = {
// containers given to createFocusTrap()
// @type {Array<HTMLElement>}
containers: [],
// list of objects identifying tabbable nodes in `containers` 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,
// tabbableNodes: Array<HTMLElement>, // empty if none
// focusableNodes: Array<HTMLElement>, // empty if none
// firstTabbableNode: HTMLElement|null,
// lastTabbableNode: HTMLElement|null,
// nextTabbableNode: (node: HTMLElement, forward: boolean) => HTMLElement|undefined
// }>}
containerGroups: [],
// same order/length as `containers` list
// references to objects in `containerGroups`, but only those that actually have
// tabbable nodes in them
// NOTE: same order as `containers` and `containerGroups`, but __not necessarily__
// the same length
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: undefined
};
var trap; // eslint-disable-line prefer-const -- some private functions reference it, and its methods reference private functions, so we must declare here and define later
/**
* Gets a configuration option value.
* @param {Object|undefined} configOverrideOptions If true, and option is defined in this set,
* value will be taken from this object. Otherwise, value will be taken from base configuration.
* @param {string} optionName Name of the option whose value is sought.
* @param {string|undefined} [configOptionName] Name of option to use __instead of__ `optionName`
* IIF `configOverrideOptions` is not defined. Otherwise, `optionName` is used.
*/
var getOption = function getOption(configOverrideOptions, optionName, configOptionName) {
return configOverrideOptions && configOverrideOptions[optionName] !== undefined ? configOverrideOptions[optionName] : config[configOptionName || optionName];
};
/**
* Finds the index of the container that contains the element.
* @param {HTMLElement} element
* @returns {number} Index of the container in either `state.containers` or
* `state.containerGroups` (the order/length of these lists are the same); -1
* if the element isn't found.
*/
var findContainerIndex = function findContainerIndex(element) {
// NOTE: search `containerGroups` because it's possible a group contains no tabbable
// nodes, but still contains focusable nodes (e.g. if they all have `tabindex=-1`)
// and we still need to find the element in there
return state.containerGroups.findIndex(function (_ref) {
var container = _ref.container,
tabbableNodes = _ref.tabbableNodes;
return container.contains(element) || // fall back to explicit tabbable search which will take into consideration any
// web components if the `tabbableOptions.getShadowRoot` option was used for
// the trap, enabling shadow DOM support in tabbable (`Node.contains()` doesn't
// look inside web components even if open)
tabbableNodes.find(function (node) {
return node === element;
});
});
};
/**
* Gets the node for the given option, which is expected to be an option that
* can be either a DOM node, a string that is a selector to get a node, `false`
* (if a node is explicitly NOT given), or a function that returns any of these
* values.
* @param {string} optionName
* @returns {undefined | false | HTMLElement | SVGElement} Returns
* `undefined` if the option is not specified; `false` if the option
* resolved to `false` (node explicitly not given); otherwise, the resolved
* DOM node.
* @throws {Error} If the option is set, not `false`, and is not, or does not
* resolve to a node.
*/
var getNodeForOption = function getNodeForOption(optionName) {
var optionValue = config[optionName];
if (typeof optionValue === 'function') {
for (var _len2 = arguments.length, params = new Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {
params[_key2 - 1] = arguments[_key2];
}
optionValue = optionValue.apply(void 0, params);
}
if (optionValue === true) {
optionValue = undefined; // use default value
}
if (!optionValue) {
if (optionValue === undefined || optionValue === false) {
return optionValue;
} // else, empty string (invalid), null (invalid), 0 (invalid)
throw new Error("`".concat(optionName, "` was specified but was not a node, or did not return a node"));
}
var node = optionValue; // could be HTMLElement, SVGElement, or non-empty string at this point
if (typeof optionValue === 'string') {
node = doc.querySelector(optionValue); // resolve to node, or null if fails
if (!node) {
throw new Error("`".concat(optionName, "` as selector refers to no known node"));
}
}
return node;
};
var getInitialFocusNode = function getInitialFocusNode() {
var node = getNodeForOption('initialFocus'); // false explicitly indicates we want no initialFocus at all
if (node === false) {
return false;
}
if (node === undefined) {
// option not specified: use fallback options
if (findContainerIndex(doc.activeElement) >= 0) {
node = doc.activeElement;
} else {
var firstTabbableGroup = state.tabbableGroups[0];
var firstTabbableNode = firstTabbableGroup && firstTabbableGroup.firstTabbableNode; // NOTE: `fallbackFocus` option function cannot return `false` (not supported)
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 updateTabbableNodes() {
state.containerGroups = state.containers.map(function (container) {
var tabbableNodes = tabbable(container, config.tabbableOptions); // NOTE: if we have tabbable nodes, we must have focusable nodes; focusable nodes
// are a superset of tabbable nodes
var focusableNodes = focusable(container, config.tabbableOptions);
return {
container: container,
tabbableNodes: tabbableNodes,
focusableNodes: focusableNodes,
firstTabbableNode: tabbableNodes.length > 0 ? tabbableNodes[0] : null,
lastTabbableNode: tabbableNodes.length > 0 ? tabbableNodes[tabbableNodes.length - 1] : null,
/**
* Finds the __tabbable__ node that follows the given node in the specified direction,
* in this container, if any.
* @param {HTMLElement} node
* @param {boolean} [forward] True if going in forward tab order; false if going
* in reverse.
* @returns {HTMLElement|undefined} The next tabbable node, if any.
*/
nextTabbableNode: function nextTabbableNode(node) {
var forward = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : true;
// NOTE: If tabindex is positive (in order to manipulate the tab order separate
// from the DOM order), this __will not work__ because the list of focusableNodes,
// while it contains tabbable nodes, does not sort its nodes in any order other
// than DOM order, because it can't: Where would you place focusable (but not
// tabbable) nodes in that order? They have no order, because they aren't tabbale...
// Support for positive tabindex is already broken and hard to manage (possibly
// not supportable, TBD), so this isn't going to make things worse than they
// already are, and at least makes things better for the majority of cases where
// tabindex is either 0/unset or negative.
// FYI, positive tabindex issue: https://github.com/focus-trap/focus-trap/issues/375
var nodeIdx = focusableNodes.findIndex(function (n) {
return n === node;
});
if (nodeIdx < 0) {
return undefined;
}
if (forward) {
return focusableNodes.slice(nodeIdx + 1).find(function (n) {
return isTabbable(n, config.tabbableOptions);
});
}
return focusableNodes.slice(0, nodeIdx).reverse().find(function (n) {
return isTabbable(n, config.tabbableOptions);
});
}
};
});
state.tabbableGroups = state.containerGroups.filter(function (group) {
return group.tabbableNodes.length > 0;
}); // throw if no groups have tabbable nodes and we don't have a fallback focus node either
if (state.tabbableGroups.length <= 0 && !getNodeForOption('fallbackFocus') // returning false not supported for this option
) {
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 tryFocus(node) {
if (node === false) {
return;
}
if (node === doc.activeElement) {
return;
}
if (!node || !node.focus) {
tryFocus(getInitialFocusNode());
return;
}
node.focus({
preventScroll: !!config.preventScroll
});
state.mostRecentlyFocusedNode = node;
if (isSelectableInput(node)) {
node.select();
}
};
var getReturnFocusNode = function getReturnFocusNode(previousActiveElement) {
var node = getNodeForOption('setReturnFocus', previousActiveElement);
return node ? node : node === false ? false : previousActiveElement;
}; // This needs to be done on mousedown and touchstart instead of click
// so that it precedes the focus event.
var checkPointerDown = function checkPointerDown(e) {
var target = getActualTarget(e);
if (findContainerIndex(target) >= 0) {
// allow the click since it ocurred inside the trap
return;
}
if (valueOrHandler(config.clickOutsideDeactivates, e)) {
// immediately deactivate the trap
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(target, config.tabbableOptions)
});
return;
} // This is needed for mobile devices.
// (If we'll only let `click` events through,
// then on mobile they will be blocked anyways if `touchstart` is blocked.)
if (valueOrHandler(config.allowOutsideClick, e)) {
// allow the click outside the trap to take place
return;
} // otherwise, prevent the click
e.preventDefault();
}; // In case focus escapes the trap for some strange reason, pull it back in.
var checkFocusIn = function checkFocusIn(e) {
var target = getActualTarget(e);
var targetContained = findContainerIndex(target) >= 0; // In Firefox when you Tab out of an iframe the Document is briefly focused.
if (targetContained || target instanceof Document) {
if (targetContained) {
state.mostRecentlyFocusedNode = target;
}
} else {
// escaped! pull it back in to where it just left
e.stopImmediatePropagation();
tryFocus(state.mostRecentlyFocusedNode || getInitialFocusNode());
}
}; // Hijack Tab events on the first and last focusable nodes of the trap,
// in order to prevent focus from escaping. If it escapes for even a
// moment it can end up scrolling the page and causing confusion so we
// kind of need to capture the action at the keydown phase.
var checkTab = function checkTab(e) {
var target = getActualTarget(e);
updateTabbableNodes();
var destinationNode = null;
if (state.tabbableGroups.length > 0) {
// make sure the target is actually contained in a group
// NOTE: the target may also be the container itself if it's focusable
// with tabIndex='-1' and was given initial focus
var containerIndex = findContainerIndex(target);
var containerGroup = containerIndex >= 0 ? state.containerGroups[containerIndex] : undefined;
if (containerIndex < 0) {
// target not found in any group: quite possible focus has escaped the trap,
// so bring it back in to...
if (e.shiftKey) {
// ...the last node in the last group
destinationNode = state.tabbableGroups[state.tabbableGroups.length - 1].lastTabbableNode;
} else {
// ...the first node in the first group
destinationNode = state.tabbableGroups[0].firstTabbableNode;
}
} else if (e.shiftKey) {
// REVERSE
// is the target the first tabbable node in a group?
var startOfGroupIndex = findIndex(state.tabbableGroups, function (_ref2) {
var firstTabbableNode = _ref2.firstTabbableNode;
return target === firstTabbableNode;
});
if (startOfGroupIndex < 0 && (containerGroup.container === target || isFocusable(target, config.tabbableOptions) && !isTabbable(target, config.tabbableOptions) && !containerGroup.nextTabbableNode(target, false))) {
// an exception case where the target is either the container itself, or
// a non-tabbable node that was given focus (i.e. tabindex is negative
// and user clicked on it or node was programmatically given focus)
// and is not followed by any other tabbable node, in which
// case, we should handle shift+tab as if focus were on the container's
// first tabbable node, and go to the last tabbable node of the LAST group
startOfGroupIndex = containerIndex;
}
if (startOfGroupIndex >= 0) {
// YES: then shift+tab should go to the last tabbable node in the
// previous group (and wrap around to the last tabbable node of
// the LAST group if it's the first tabbable node of the FIRST group)
var destinationGroupIndex = startOfGroupIndex === 0 ? state.tabbableGroups.length - 1 : startOfGroupIndex - 1;
var destinationGroup = state.tabbableGroups[destinationGroupIndex];
destinationNode = destinationGroup.lastTabbableNode;
}
} else {
// FORWARD
// is the target the last tabbable node in a group?
var lastOfGroupIndex = findIndex(state.tabbableGroups, function (_ref3) {
var lastTabbableNode = _ref3.lastTabbableNode;
return target === lastTabbableNode;
});
if (lastOfGroupIndex < 0 && (containerGroup.container === target || isFocusable(target, config.tabbableOptions) && !isTabbable(target, config.tabbableOptions) && !containerGroup.nextTabbableNode(target))) {
// an exception case where the target is the container itself, or
// a non-tabbable node that was given focus (i.e. tabindex is negative
// and user clicked on it or node was programmatically given focus)
// and is not followed by any other tabbable node, in which
// case, we should handle tab as if focus were on the container's
// last tabbable node, and go to the first tabbable node of the FIRST group
lastOfGroupIndex = containerIndex;
}
if (lastOfGroupIndex >= 0) {
// YES: then tab should go to the first tabbable node in the next
// group (and wrap around to the first tabbable node of the FIRST
// group if it's the last tabbable node of the LAST group)
var _destinationGroupIndex = lastOfGroupIndex === state.tabbableGroups.length - 1 ? 0 : lastOfGroupIndex + 1;
var _destinationGroup = state.tabbableGroups[_destinationGroupIndex];
destinationNode = _destinationGroup.firstTabbableNode;
}
}
} else {
// NOTE: the fallbackFocus option does not support returning false to opt-out
destinationNode = getNodeForOption('fallbackFocus');
}
if (destinationNode) {
e.preventDefault();
tryFocus(destinationNode);
} // else, let the browser take care of [shift+]tab and move the focus
};
var checkKey = function checkKey(e) {
if (isEscapeEvent(e) && valueOrHandler(config.escapeDeactivates, e) !== false) {
e.preventDefault();
trap.deactivate();
return;
}
if (isTabEvent(e)) {
checkTab(e);
return;
}
};
var checkClick = function checkClick(e) {
var target = getActualTarget(e);
if (findContainerIndex(target) >= 0) {
return;
}
if (valueOrHandler(config.clickOutsideDeactivates, e)) {
return;
}
if (valueOrHandler(config.allowOutsideClick, e)) {
return;
}
e.preventDefault();
e.stopImmediatePropagation();
}; //
// EVENT LISTENERS
//
var addListeners = function addListeners() {
if (!state.active) {
return;
} // There can be only one listening focus trap at a time
activeFocusTraps.activateTrap(trap); // Delay ensures that the focused element doesn't capture the event
// that caused the focus trap activation.
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 removeListeners() {
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 DEFINITION
//
trap = {
get active() {
return state.active;
},
get paused() {
return state.paused;
},
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 finishActivation() {
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;
}
var options = _objectSpread2({
onDeactivate: config.onDeactivate,
onPostDeactivate: config.onPostDeactivate,
checkCanReturnFocus: config.checkCanReturnFocus
}, deactivateOptions);
clearTimeout(state.delayInitialFocusTimer); // noop if undefined
state.delayInitialFocusTimer = undefined;
removeListeners();
state.active = false;
state.paused = false;
activeFocusTraps.deactivateTrap(trap);
var onDeactivate = getOption(options, 'onDeactivate');
var onPostDeactivate = getOption(options, 'onPostDeactivate');
var checkCanReturnFocus = getOption(options, 'checkCanReturnFocus');
var returnFocus = getOption(options, 'returnFocus', 'returnFocusOnDeactivate');
if (onDeactivate) {
onDeactivate();
}
var finishDeactivation = function finishDeactivation() {
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;
}
}; // initialize container elements
trap.updateContainerElements(elements);
return trap;
};
export { createFocusTrap };
//# sourceMappingURL=focus-trap.esm.js.map
@@ -0,0 +1 @@
{"version":3,"file":"focus-trap.esm.js","sources":["../index.js"],"sourcesContent":["import { tabbable, focusable, isFocusable, isTabbable } from 'tabbable';\n\nconst activeFocusTraps = (function () {\n const trapQueue = [];\n return {\n activateTrap(trap) {\n if (trapQueue.length > 0) {\n const activeTrap = trapQueue[trapQueue.length - 1];\n if (activeTrap !== trap) {\n activeTrap.pause();\n }\n }\n\n const 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(trap) {\n const 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\nconst isSelectableInput = function (node) {\n return (\n node.tagName &&\n node.tagName.toLowerCase() === 'input' &&\n typeof node.select === 'function'\n );\n};\n\nconst isEscapeEvent = function (e) {\n return e.key === 'Escape' || e.key === 'Esc' || e.keyCode === 27;\n};\n\nconst isTabEvent = function (e) {\n return e.key === 'Tab' || e.keyCode === 9;\n};\n\nconst delay = function (fn) {\n return setTimeout(fn, 0);\n};\n\n// Array.find/findIndex() are not supported on IE; this replicates enough\n// of Array.findIndex() for our needs\nconst findIndex = function (arr, fn) {\n let idx = -1;\n\n arr.every(function (value, i) {\n if (fn(value)) {\n idx = i;\n return false; // break\n }\n\n return true; // next\n });\n\n return idx;\n};\n\n/**\n * Get an option's value when it could be a plain value, or a handler that provides\n * the value.\n * @param {*} value Option's value to check.\n * @param {...*} [params] Any parameters to pass to the handler, if `value` is a function.\n * @returns {*} The `value`, or the handler's returned value.\n */\nconst valueOrHandler = function (value, ...params) {\n return typeof value === 'function' ? value(...params) : value;\n};\n\nconst getActualTarget = function (event) {\n // NOTE: If the trap is _inside_ a shadow DOM, event.target will always be the\n // shadow host. However, event.target.composedPath() will be an array of\n // nodes \"clicked\" from inner-most (the actual element inside the shadow) to\n // outer-most (the host HTML document). If we have access to composedPath(),\n // then use its first element; otherwise, fall back to event.target (and\n // this only works for an _open_ shadow DOM; otherwise,\n // composedPath()[0] === event.target always).\n return event.target.shadowRoot && typeof event.composedPath === 'function'\n ? event.composedPath()[0]\n : event.target;\n};\n\nconst createFocusTrap = function (elements, userOptions) {\n // SSR: a live trap shouldn't be created in this type of environment so this\n // should be safe code to execute if the `document` option isn't specified\n const doc = userOptions?.document || document;\n\n const config = {\n returnFocusOnDeactivate: true,\n escapeDeactivates: true,\n delayInitialFocus: true,\n ...userOptions,\n };\n\n const state = {\n // containers given to createFocusTrap()\n // @type {Array<HTMLElement>}\n containers: [],\n\n // list of objects identifying tabbable nodes in `containers` in the trap\n // NOTE: it's possible that a group has no tabbable nodes if nodes get removed while the trap\n // is active, but the trap should never get to a state where there isn't at least one group\n // with at least one tabbable node in it (that would lead to an error condition that would\n // result in an error being thrown)\n // @type {Array<{\n // container: HTMLElement,\n // tabbableNodes: Array<HTMLElement>, // empty if none\n // focusableNodes: Array<HTMLElement>, // empty if none\n // firstTabbableNode: HTMLElement|null,\n // lastTabbableNode: HTMLElement|null,\n // nextTabbableNode: (node: HTMLElement, forward: boolean) => HTMLElement|undefined\n // }>}\n containerGroups: [], // same order/length as `containers` list\n\n // references to objects in `containerGroups`, but only those that actually have\n // tabbable nodes in them\n // NOTE: same order as `containers` and `containerGroups`, but __not necessarily__\n // the same length\n tabbableGroups: [],\n\n nodeFocusedBeforeActivation: null,\n mostRecentlyFocusedNode: null,\n active: false,\n paused: false,\n\n // timer ID for when delayInitialFocus is true and initial focus in this trap\n // has been delayed during activation\n delayInitialFocusTimer: undefined,\n };\n\n let trap; // eslint-disable-line prefer-const -- some private functions reference it, and its methods reference private Line truncated
@@ -0,0 +1,6 @@
/*!
* focus-trap 6.9.4
* @license MIT, https://github.com/focus-trap/focus-trap/blob/master/LICENSE
*/
import{tabbable as e,focusable as t,isTabbable as n,isFocusable as a}from"tabbable";function r(e,t){var n=Object.keys(e);if(Object.getOwnPropertySymbols){var a=Object.getOwnPropertySymbols(e);t&&(a=a.filter((function(t){return Object.getOwnPropertyDescriptor(e,t).enumerable}))),n.push.apply(n,a)}return n}function o(e){for(var t=1;t<arguments.length;t++){var n=null!=arguments[t]?arguments[t]:{};t%2?r(Object(n),!0).forEach((function(t){i(e,t,n[t])})):Object.getOwnPropertyDescriptors?Object.defineProperties(e,Object.getOwnPropertyDescriptors(n)):r(Object(n)).forEach((function(t){Object.defineProperty(e,t,Object.getOwnPropertyDescriptor(n,t))}))}return e}function i(e,t,n){return t in e?Object.defineProperty(e,t,{value:n,enumerable:!0,configurable:!0,writable:!0}):e[t]=n,e}var c,u=(c=[],{activateTrap:function(e){if(c.length>0){var t=c[c.length-1];t!==e&&t.pause()}var n=c.indexOf(e);-1===n||c.splice(n,1),c.push(e)},deactivateTrap:function(e){var t=c.indexOf(e);-1!==t&&c.splice(t,1),c.length>0&&c[c.length-1].unpause()}}),s=function(e){return setTimeout(e,0)},l=function(e,t){var n=-1;return e.every((function(e,a){return!t(e)||(n=a,!1)})),n},b=function(e){for(var t=arguments.length,n=new Array(t>1?t-1:0),a=1;a<t;a++)n[a-1]=arguments[a];return"function"==typeof e?e.apply(void 0,n):e},f=function(e){return e.target.shadowRoot&&"function"==typeof e.composedPath?e.composedPath()[0]:e.target},v=function(r,i){var c,v=(null==i?void 0:i.document)||document,d=o({returnFocusOnDeactivate:!0,escapeDeactivates:!0,delayInitialFocus:!0},i),p={containers:[],containerGroups:[],tabbableGroups:[],nodeFocusedBeforeActivation:null,mostRecentlyFocusedNode:null,active:!1,paused:!1,delayInitialFocusTimer:void 0},h=function(e,t,n){return e&&void 0!==e[t]?e[t]:d[n||t]},m=function(e){return p.containerGroups.findIndex((function(t){var n=t.container,a=t.tabbableNodes;return n.contains(e)||a.find((function(t){return t===e}))}))},y=function(e){var t=d[e];if("function"==typeof t){for(var n=arguments.length,a=new Array(n>1?n-1:0),r=1;r<n;r++)a[r-1]=arguments[r];t=t.apply(void 0,a)}if(!0===t&&(t=void 0),!t){if(void 0===t||!1===t)return t;throw new Error("`".concat(e,"` was specified but was not a node, or did not return a node"))}var o=t;if("string"==typeof t&&!(o=v.querySelector(t)))throw new Error("`".concat(e,"` as selector refers to no known node"));return o},O=function(){var e=y("initialFocus");if(!1===e)return!1;if(void 0===e)if(m(v.activeElement)>=0)e=v.activeElement;else{var t=p.tabbableGroups[0];e=t&&t.firstTabbableNode||y("fallbackFocus")}if(!e)throw new Error("Your focus-trap needs to have at least one focusable element");return e},g=function(){if(p.containerGroups=p.containers.map((function(a){var r=e(a,d.tabbableOptions),o=t(a,d.tabbableOptions);return{container:a,tabbableNodes:r,focusableNodes:o,firstTabbableNode:r.length>0?r[0]:null,lastTabbableNode:r.length>0?r[r.length-1]:null,nextTabbableNode:function(e){var t=!(arguments.length>1&&void 0!==arguments[1])||arguments[1],a=o.findIndex((function(t){return t===e}));if(!(a<0))return t?o.slice(a+1).find((function(e){return n(e,d.tabbableOptions)})):o.slice(0,a).reverse().find((function(e){return n(e,d.tabbableOptions)}))}}})),p.tabbableGroups=p.containerGroups.filter((function(e){return e.tabbableNodes.length>0})),p.tabbableGroups.length<=0&&!y("fallbackFocus"))throw new Error("Your focus-trap must have at least one container with at least one tabbable node in it at all times")},w=function e(t){!1!==t&&t!==v.activeElement&&(t&&t.focus?(t.focus({preventScroll:!!d.preventScroll}),p.mostRecentlyFocusedNode=t,function(e){return e.tagName&&"input"===e.tagName.toLowerCase()&&"function"==typeof e.select}(t)&&t.select()):e(O()))},F=function(e){var t=y("setReturnFocus",e);return t||!1!==t&&e},E=function(e){var t=f(e);m(t)>=0||(b(d.clickOutsideDeactivates,e)?c.deactivate({returnFocus:d.returnFocusOnDeactivate&&!a(t,d.tabbableOptions)}):b(d.allowOutsideClick,e)||e.preventDefault())},T=function(e){var t=f(e),n=m(t)>=0;n||t instanceof Document?n&&(p.mostRecentlyFocusedNode=t):(e.stopImmediatePropagation(),w(p.mostRecentlyFocusedNode||O()))},k=function(e){if(function(e){return"Escape"===e.key||"Esc"===e.key||27===e.keyCode}(e)&&!1!==b(d.escapeDeactivates,e))return e.preventDefault(),void c.deactivate();(function(e){return"Tab"===e.key||9===e.keyCode})(e)&&function(e){var t=f(e);g();var r=null;if(p.tabbableGroups.length>0){var o=m(t),i=o>=0?p.containerGroups[o]:void 0;if(o<0)r=e.shiftKey?p.tabbableGroups[p.tabbableGroups.length-1].lastTabbableNode:p.tabbableGroups[0].firstTabbableNode;else if(e.shiftKey){var c=l(p.tabbableGroups,(function(e){var n=e.firstTabbableNode;return t===n}));if(c<0&&(i.container===t||a(t,d.tabbableOptions)&&!n(t,d.tabbableOptions)&&!i.nextTabbableNode(t,!1))&&(c=o),c>=0){var u=0===c?p.tabbableGroups.length-1:c-1;r=p.tabbableGroups[u].lastTabbableNode}}else{var s=l(p.tabbableGroups,(function(e){var n=e.lastTabbableNode;return t===n}));if(s<0&&(i.container===t||a(t,d.tabbableOptiLine truncated
//# sourceMappingURL=focus-trap.esm.min.js.map
@@ -0,0 +1 @@
{"version":3,"file":"focus-trap.esm.min.js","sources":["../index.js"],"sourcesContent":["import { tabbable, focusable, isFocusable, isTabbable } from 'tabbable';\n\nconst activeFocusTraps = (function () {\n const trapQueue = [];\n return {\n activateTrap(trap) {\n if (trapQueue.length > 0) {\n const activeTrap = trapQueue[trapQueue.length - 1];\n if (activeTrap !== trap) {\n activeTrap.pause();\n }\n }\n\n const 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(trap) {\n const 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\nconst isSelectableInput = function (node) {\n return (\n node.tagName &&\n node.tagName.toLowerCase() === 'input' &&\n typeof node.select === 'function'\n );\n};\n\nconst isEscapeEvent = function (e) {\n return e.key === 'Escape' || e.key === 'Esc' || e.keyCode === 27;\n};\n\nconst isTabEvent = function (e) {\n return e.key === 'Tab' || e.keyCode === 9;\n};\n\nconst delay = function (fn) {\n return setTimeout(fn, 0);\n};\n\n// Array.find/findIndex() are not supported on IE; this replicates enough\n// of Array.findIndex() for our needs\nconst findIndex = function (arr, fn) {\n let idx = -1;\n\n arr.every(function (value, i) {\n if (fn(value)) {\n idx = i;\n return false; // break\n }\n\n return true; // next\n });\n\n return idx;\n};\n\n/**\n * Get an option's value when it could be a plain value, or a handler that provides\n * the value.\n * @param {*} value Option's value to check.\n * @param {...*} [params] Any parameters to pass to the handler, if `value` is a function.\n * @returns {*} The `value`, or the handler's returned value.\n */\nconst valueOrHandler = function (value, ...params) {\n return typeof value === 'function' ? value(...params) : value;\n};\n\nconst getActualTarget = function (event) {\n // NOTE: If the trap is _inside_ a shadow DOM, event.target will always be the\n // shadow host. However, event.target.composedPath() will be an array of\n // nodes \"clicked\" from inner-most (the actual element inside the shadow) to\n // outer-most (the host HTML document). If we have access to composedPath(),\n // then use its first element; otherwise, fall back to event.target (and\n // this only works for an _open_ shadow DOM; otherwise,\n // composedPath()[0] === event.target always).\n return event.target.shadowRoot && typeof event.composedPath === 'function'\n ? event.composedPath()[0]\n : event.target;\n};\n\nconst createFocusTrap = function (elements, userOptions) {\n // SSR: a live trap shouldn't be created in this type of environment so this\n // should be safe code to execute if the `document` option isn't specified\n const doc = userOptions?.document || document;\n\n const config = {\n returnFocusOnDeactivate: true,\n escapeDeactivates: true,\n delayInitialFocus: true,\n ...userOptions,\n };\n\n const state = {\n // containers given to createFocusTrap()\n // @type {Array<HTMLElement>}\n containers: [],\n\n // list of objects identifying tabbable nodes in `containers` in the trap\n // NOTE: it's possible that a group has no tabbable nodes if nodes get removed while the trap\n // is active, but the trap should never get to a state where there isn't at least one group\n // with at least one tabbable node in it (that would lead to an error condition that would\n // result in an error being thrown)\n // @type {Array<{\n // container: HTMLElement,\n // tabbableNodes: Array<HTMLElement>, // empty if none\n // focusableNodes: Array<HTMLElement>, // empty if none\n // firstTabbableNode: HTMLElement|null,\n // lastTabbableNode: HTMLElement|null,\n // nextTabbableNode: (node: HTMLElement, forward: boolean) => HTMLElement|undefined\n // }>}\n containerGroups: [], // same order/length as `containers` list\n\n // references to objects in `containerGroups`, but only those that actually have\n // tabbable nodes in them\n // NOTE: same order as `containers` and `containerGroups`, but __not necessarily__\n // the same length\n tabbableGroups: [],\n\n nodeFocusedBeforeActivation: null,\n mostRecentlyFocusedNode: null,\n active: false,\n paused: false,\n\n // timer ID for when delayInitialFocus is true and initial focus in this trap\n // has been delayed during activation\n delayInitialFocusTimer: undefined,\n };\n\n let trap; // eslint-disable-line prefer-const -- some private functions reference it, and its methods reference privLine truncated
@@ -0,0 +1,765 @@
/*!
* focus-trap 6.9.4
* @license MIT, https://github.com/focus-trap/focus-trap/blob/master/LICENSE
*/
'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
var tabbable = require('tabbable');
function ownKeys(object, enumerableOnly) {
var keys = Object.keys(object);
if (Object.getOwnPropertySymbols) {
var symbols = Object.getOwnPropertySymbols(object);
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 = null != arguments[i] ? arguments[i] : {};
i % 2 ? ownKeys(Object(source), !0).forEach(function (key) {
_defineProperty(target, key, source[key]);
}) : Object.getOwnPropertyDescriptors ? Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) : 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: 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 {
// move this existing trap to the front of the queue
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 isSelectableInput(node) {
return node.tagName && node.tagName.toLowerCase() === 'input' && typeof node.select === 'function';
};
var isEscapeEvent = function isEscapeEvent(e) {
return e.key === 'Escape' || e.key === 'Esc' || e.keyCode === 27;
};
var isTabEvent = function isTabEvent(e) {
return e.key === 'Tab' || e.keyCode === 9;
};
var delay = function delay(fn) {
return setTimeout(fn, 0);
}; // Array.find/findIndex() are not supported on IE; this replicates enough
// of Array.findIndex() for our needs
var findIndex = function findIndex(arr, fn) {
var idx = -1;
arr.every(function (value, i) {
if (fn(value)) {
idx = i;
return false; // break
}
return true; // next
});
return idx;
};
/**
* Get an option's value when it could be a plain value, or a handler that provides
* the value.
* @param {*} value Option's value to check.
* @param {...*} [params] Any parameters to pass to the handler, if `value` is a function.
* @returns {*} The `value`, or the handler's returned value.
*/
var valueOrHandler = function valueOrHandler(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 getActualTarget = function getActualTarget(event) {
// NOTE: If the trap is _inside_ a shadow DOM, event.target will always be the
// shadow host. However, event.target.composedPath() will be an array of
// nodes "clicked" from inner-most (the actual element inside the shadow) to
// outer-most (the host HTML document). If we have access to composedPath(),
// then use its first element; otherwise, fall back to event.target (and
// this only works for an _open_ shadow DOM; otherwise,
// composedPath()[0] === event.target always).
return event.target.shadowRoot && typeof event.composedPath === 'function' ? event.composedPath()[0] : event.target;
};
var createFocusTrap = function createFocusTrap(elements, userOptions) {
// SSR: a live trap shouldn't be created in this type of environment so this
// should be safe code to execute if the `document` option isn't specified
var doc = (userOptions === null || userOptions === void 0 ? void 0 : userOptions.document) || document;
var config = _objectSpread2({
returnFocusOnDeactivate: true,
escapeDeactivates: true,
delayInitialFocus: true
}, userOptions);
var state = {
// containers given to createFocusTrap()
// @type {Array<HTMLElement>}
containers: [],
// list of objects identifying tabbable nodes in `containers` 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,
// tabbableNodes: Array<HTMLElement>, // empty if none
// focusableNodes: Array<HTMLElement>, // empty if none
// firstTabbableNode: HTMLElement|null,
// lastTabbableNode: HTMLElement|null,
// nextTabbableNode: (node: HTMLElement, forward: boolean) => HTMLElement|undefined
// }>}
containerGroups: [],
// same order/length as `containers` list
// references to objects in `containerGroups`, but only those that actually have
// tabbable nodes in them
// NOTE: same order as `containers` and `containerGroups`, but __not necessarily__
// the same length
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: undefined
};
var trap; // eslint-disable-line prefer-const -- some private functions reference it, and its methods reference private functions, so we must declare here and define later
/**
* Gets a configuration option value.
* @param {Object|undefined} configOverrideOptions If true, and option is defined in this set,
* value will be taken from this object. Otherwise, value will be taken from base configuration.
* @param {string} optionName Name of the option whose value is sought.
* @param {string|undefined} [configOptionName] Name of option to use __instead of__ `optionName`
* IIF `configOverrideOptions` is not defined. Otherwise, `optionName` is used.
*/
var getOption = function getOption(configOverrideOptions, optionName, configOptionName) {
return configOverrideOptions && configOverrideOptions[optionName] !== undefined ? configOverrideOptions[optionName] : config[configOptionName || optionName];
};
/**
* Finds the index of the container that contains the element.
* @param {HTMLElement} element
* @returns {number} Index of the container in either `state.containers` or
* `state.containerGroups` (the order/length of these lists are the same); -1
* if the element isn't found.
*/
var findContainerIndex = function findContainerIndex(element) {
// NOTE: search `containerGroups` because it's possible a group contains no tabbable
// nodes, but still contains focusable nodes (e.g. if they all have `tabindex=-1`)
// and we still need to find the element in there
return state.containerGroups.findIndex(function (_ref) {
var container = _ref.container,
tabbableNodes = _ref.tabbableNodes;
return container.contains(element) || // fall back to explicit tabbable search which will take into consideration any
// web components if the `tabbableOptions.getShadowRoot` option was used for
// the trap, enabling shadow DOM support in tabbable (`Node.contains()` doesn't
// look inside web components even if open)
tabbableNodes.find(function (node) {
return node === element;
});
});
};
/**
* Gets the node for the given option, which is expected to be an option that
* can be either a DOM node, a string that is a selector to get a node, `false`
* (if a node is explicitly NOT given), or a function that returns any of these
* values.
* @param {string} optionName
* @returns {undefined | false | HTMLElement | SVGElement} Returns
* `undefined` if the option is not specified; `false` if the option
* resolved to `false` (node explicitly not given); otherwise, the resolved
* DOM node.
* @throws {Error} If the option is set, not `false`, and is not, or does not
* resolve to a node.
*/
var getNodeForOption = function getNodeForOption(optionName) {
var optionValue = config[optionName];
if (typeof optionValue === 'function') {
for (var _len2 = arguments.length, params = new Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {
params[_key2 - 1] = arguments[_key2];
}
optionValue = optionValue.apply(void 0, params);
}
if (optionValue === true) {
optionValue = undefined; // use default value
}
if (!optionValue) {
if (optionValue === undefined || optionValue === false) {
return optionValue;
} // else, empty string (invalid), null (invalid), 0 (invalid)
throw new Error("`".concat(optionName, "` was specified but was not a node, or did not return a node"));
}
var node = optionValue; // could be HTMLElement, SVGElement, or non-empty string at this point
if (typeof optionValue === 'string') {
node = doc.querySelector(optionValue); // resolve to node, or null if fails
if (!node) {
throw new Error("`".concat(optionName, "` as selector refers to no known node"));
}
}
return node;
};
var getInitialFocusNode = function getInitialFocusNode() {
var node = getNodeForOption('initialFocus'); // false explicitly indicates we want no initialFocus at all
if (node === false) {
return false;
}
if (node === undefined) {
// option not specified: use fallback options
if (findContainerIndex(doc.activeElement) >= 0) {
node = doc.activeElement;
} else {
var firstTabbableGroup = state.tabbableGroups[0];
var firstTabbableNode = firstTabbableGroup && firstTabbableGroup.firstTabbableNode; // NOTE: `fallbackFocus` option function cannot return `false` (not supported)
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 updateTabbableNodes() {
state.containerGroups = state.containers.map(function (container) {
var tabbableNodes = tabbable.tabbable(container, config.tabbableOptions); // NOTE: if we have tabbable nodes, we must have focusable nodes; focusable nodes
// are a superset of tabbable nodes
var focusableNodes = tabbable.focusable(container, config.tabbableOptions);
return {
container: container,
tabbableNodes: tabbableNodes,
focusableNodes: focusableNodes,
firstTabbableNode: tabbableNodes.length > 0 ? tabbableNodes[0] : null,
lastTabbableNode: tabbableNodes.length > 0 ? tabbableNodes[tabbableNodes.length - 1] : null,
/**
* Finds the __tabbable__ node that follows the given node in the specified direction,
* in this container, if any.
* @param {HTMLElement} node
* @param {boolean} [forward] True if going in forward tab order; false if going
* in reverse.
* @returns {HTMLElement|undefined} The next tabbable node, if any.
*/
nextTabbableNode: function nextTabbableNode(node) {
var forward = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : true;
// NOTE: If tabindex is positive (in order to manipulate the tab order separate
// from the DOM order), this __will not work__ because the list of focusableNodes,
// while it contains tabbable nodes, does not sort its nodes in any order other
// than DOM order, because it can't: Where would you place focusable (but not
// tabbable) nodes in that order? They have no order, because they aren't tabbale...
// Support for positive tabindex is already broken and hard to manage (possibly
// not supportable, TBD), so this isn't going to make things worse than they
// already are, and at least makes things better for the majority of cases where
// tabindex is either 0/unset or negative.
// FYI, positive tabindex issue: https://github.com/focus-trap/focus-trap/issues/375
var nodeIdx = focusableNodes.findIndex(function (n) {
return n === node;
});
if (nodeIdx < 0) {
return undefined;
}
if (forward) {
return focusableNodes.slice(nodeIdx + 1).find(function (n) {
return tabbable.isTabbable(n, config.tabbableOptions);
});
}
return focusableNodes.slice(0, nodeIdx).reverse().find(function (n) {
return tabbable.isTabbable(n, config.tabbableOptions);
});
}
};
});
state.tabbableGroups = state.containerGroups.filter(function (group) {
return group.tabbableNodes.length > 0;
}); // throw if no groups have tabbable nodes and we don't have a fallback focus node either
if (state.tabbableGroups.length <= 0 && !getNodeForOption('fallbackFocus') // returning false not supported for this option
) {
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 tryFocus(node) {
if (node === false) {
return;
}
if (node === doc.activeElement) {
return;
}
if (!node || !node.focus) {
tryFocus(getInitialFocusNode());
return;
}
node.focus({
preventScroll: !!config.preventScroll
});
state.mostRecentlyFocusedNode = node;
if (isSelectableInput(node)) {
node.select();
}
};
var getReturnFocusNode = function getReturnFocusNode(previousActiveElement) {
var node = getNodeForOption('setReturnFocus', previousActiveElement);
return node ? node : node === false ? false : previousActiveElement;
}; // This needs to be done on mousedown and touchstart instead of click
// so that it precedes the focus event.
var checkPointerDown = function checkPointerDown(e) {
var target = getActualTarget(e);
if (findContainerIndex(target) >= 0) {
// allow the click since it ocurred inside the trap
return;
}
if (valueOrHandler(config.clickOutsideDeactivates, e)) {
// immediately deactivate the trap
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 && !tabbable.isFocusable(target, config.tabbableOptions)
});
return;
} // This is needed for mobile devices.
// (If we'll only let `click` events through,
// then on mobile they will be blocked anyways if `touchstart` is blocked.)
if (valueOrHandler(config.allowOutsideClick, e)) {
// allow the click outside the trap to take place
return;
} // otherwise, prevent the click
e.preventDefault();
}; // In case focus escapes the trap for some strange reason, pull it back in.
var checkFocusIn = function checkFocusIn(e) {
var target = getActualTarget(e);
var targetContained = findContainerIndex(target) >= 0; // In Firefox when you Tab out of an iframe the Document is briefly focused.
if (targetContained || target instanceof Document) {
if (targetContained) {
state.mostRecentlyFocusedNode = target;
}
} else {
// escaped! pull it back in to where it just left
e.stopImmediatePropagation();
tryFocus(state.mostRecentlyFocusedNode || getInitialFocusNode());
}
}; // Hijack Tab events on the first and last focusable nodes of the trap,
// in order to prevent focus from escaping. If it escapes for even a
// moment it can end up scrolling the page and causing confusion so we
// kind of need to capture the action at the keydown phase.
var checkTab = function checkTab(e) {
var target = getActualTarget(e);
updateTabbableNodes();
var destinationNode = null;
if (state.tabbableGroups.length > 0) {
// make sure the target is actually contained in a group
// NOTE: the target may also be the container itself if it's focusable
// with tabIndex='-1' and was given initial focus
var containerIndex = findContainerIndex(target);
var containerGroup = containerIndex >= 0 ? state.containerGroups[containerIndex] : undefined;
if (containerIndex < 0) {
// target not found in any group: quite possible focus has escaped the trap,
// so bring it back in to...
if (e.shiftKey) {
// ...the last node in the last group
destinationNode = state.tabbableGroups[state.tabbableGroups.length - 1].lastTabbableNode;
} else {
// ...the first node in the first group
destinationNode = state.tabbableGroups[0].firstTabbableNode;
}
} else if (e.shiftKey) {
// REVERSE
// is the target the first tabbable node in a group?
var startOfGroupIndex = findIndex(state.tabbableGroups, function (_ref2) {
var firstTabbableNode = _ref2.firstTabbableNode;
return target === firstTabbableNode;
});
if (startOfGroupIndex < 0 && (containerGroup.container === target || tabbable.isFocusable(target, config.tabbableOptions) && !tabbable.isTabbable(target, config.tabbableOptions) && !containerGroup.nextTabbableNode(target, false))) {
// an exception case where the target is either the container itself, or
// a non-tabbable node that was given focus (i.e. tabindex is negative
// and user clicked on it or node was programmatically given focus)
// and is not followed by any other tabbable node, in which
// case, we should handle shift+tab as if focus were on the container's
// first tabbable node, and go to the last tabbable node of the LAST group
startOfGroupIndex = containerIndex;
}
if (startOfGroupIndex >= 0) {
// YES: then shift+tab should go to the last tabbable node in the
// previous group (and wrap around to the last tabbable node of
// the LAST group if it's the first tabbable node of the FIRST group)
var destinationGroupIndex = startOfGroupIndex === 0 ? state.tabbableGroups.length - 1 : startOfGroupIndex - 1;
var destinationGroup = state.tabbableGroups[destinationGroupIndex];
destinationNode = destinationGroup.lastTabbableNode;
}
} else {
// FORWARD
// is the target the last tabbable node in a group?
var lastOfGroupIndex = findIndex(state.tabbableGroups, function (_ref3) {
var lastTabbableNode = _ref3.lastTabbableNode;
return target === lastTabbableNode;
});
if (lastOfGroupIndex < 0 && (containerGroup.container === target || tabbable.isFocusable(target, config.tabbableOptions) && !tabbable.isTabbable(target, config.tabbableOptions) && !containerGroup.nextTabbableNode(target))) {
// an exception case where the target is the container itself, or
// a non-tabbable node that was given focus (i.e. tabindex is negative
// and user clicked on it or node was programmatically given focus)
// and is not followed by any other tabbable node, in which
// case, we should handle tab as if focus were on the container's
// last tabbable node, and go to the first tabbable node of the FIRST group
lastOfGroupIndex = containerIndex;
}
if (lastOfGroupIndex >= 0) {
// YES: then tab should go to the first tabbable node in the next
// group (and wrap around to the first tabbable node of the FIRST
// group if it's the last tabbable node of the LAST group)
var _destinationGroupIndex = lastOfGroupIndex === state.tabbableGroups.length - 1 ? 0 : lastOfGroupIndex + 1;
var _destinationGroup = state.tabbableGroups[_destinationGroupIndex];
destinationNode = _destinationGroup.firstTabbableNode;
}
}
} else {
// NOTE: the fallbackFocus option does not support returning false to opt-out
destinationNode = getNodeForOption('fallbackFocus');
}
if (destinationNode) {
e.preventDefault();
tryFocus(destinationNode);
} // else, let the browser take care of [shift+]tab and move the focus
};
var checkKey = function checkKey(e) {
if (isEscapeEvent(e) && valueOrHandler(config.escapeDeactivates, e) !== false) {
e.preventDefault();
trap.deactivate();
return;
}
if (isTabEvent(e)) {
checkTab(e);
return;
}
};
var checkClick = function checkClick(e) {
var target = getActualTarget(e);
if (findContainerIndex(target) >= 0) {
return;
}
if (valueOrHandler(config.clickOutsideDeactivates, e)) {
return;
}
if (valueOrHandler(config.allowOutsideClick, e)) {
return;
}
e.preventDefault();
e.stopImmediatePropagation();
}; //
// EVENT LISTENERS
//
var addListeners = function addListeners() {
if (!state.active) {
return;
} // There can be only one listening focus trap at a time
activeFocusTraps.activateTrap(trap); // Delay ensures that the focused element doesn't capture the event
// that caused the focus trap activation.
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 removeListeners() {
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 DEFINITION
//
trap = {
get active() {
return state.active;
},
get paused() {
return state.paused;
},
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 finishActivation() {
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;
}
var options = _objectSpread2({
onDeactivate: config.onDeactivate,
onPostDeactivate: config.onPostDeactivate,
checkCanReturnFocus: config.checkCanReturnFocus
}, deactivateOptions);
clearTimeout(state.delayInitialFocusTimer); // noop if undefined
state.delayInitialFocusTimer = undefined;
removeListeners();
state.active = false;
state.paused = false;
activeFocusTraps.deactivateTrap(trap);
var onDeactivate = getOption(options, 'onDeactivate');
var onPostDeactivate = getOption(options, 'onPostDeactivate');
var checkCanReturnFocus = getOption(options, 'checkCanReturnFocus');
var returnFocus = getOption(options, 'returnFocus', 'returnFocusOnDeactivate');
if (onDeactivate) {
onDeactivate();
}
var finishDeactivation = function finishDeactivation() {
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;
}
}; // initialize container elements
trap.updateContainerElements(elements);
return trap;
};
exports.createFocusTrap = createFocusTrap;
//# sourceMappingURL=focus-trap.js.map
@@ -0,0 +1 @@
{"version":3,"file":"focus-trap.js","sources":["../index.js"],"sourcesContent":["import { tabbable, focusable, isFocusable, isTabbable } from 'tabbable';\n\nconst activeFocusTraps = (function () {\n const trapQueue = [];\n return {\n activateTrap(trap) {\n if (trapQueue.length > 0) {\n const activeTrap = trapQueue[trapQueue.length - 1];\n if (activeTrap !== trap) {\n activeTrap.pause();\n }\n }\n\n const 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(trap) {\n const 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\nconst isSelectableInput = function (node) {\n return (\n node.tagName &&\n node.tagName.toLowerCase() === 'input' &&\n typeof node.select === 'function'\n );\n};\n\nconst isEscapeEvent = function (e) {\n return e.key === 'Escape' || e.key === 'Esc' || e.keyCode === 27;\n};\n\nconst isTabEvent = function (e) {\n return e.key === 'Tab' || e.keyCode === 9;\n};\n\nconst delay = function (fn) {\n return setTimeout(fn, 0);\n};\n\n// Array.find/findIndex() are not supported on IE; this replicates enough\n// of Array.findIndex() for our needs\nconst findIndex = function (arr, fn) {\n let idx = -1;\n\n arr.every(function (value, i) {\n if (fn(value)) {\n idx = i;\n return false; // break\n }\n\n return true; // next\n });\n\n return idx;\n};\n\n/**\n * Get an option's value when it could be a plain value, or a handler that provides\n * the value.\n * @param {*} value Option's value to check.\n * @param {...*} [params] Any parameters to pass to the handler, if `value` is a function.\n * @returns {*} The `value`, or the handler's returned value.\n */\nconst valueOrHandler = function (value, ...params) {\n return typeof value === 'function' ? value(...params) : value;\n};\n\nconst getActualTarget = function (event) {\n // NOTE: If the trap is _inside_ a shadow DOM, event.target will always be the\n // shadow host. However, event.target.composedPath() will be an array of\n // nodes \"clicked\" from inner-most (the actual element inside the shadow) to\n // outer-most (the host HTML document). If we have access to composedPath(),\n // then use its first element; otherwise, fall back to event.target (and\n // this only works for an _open_ shadow DOM; otherwise,\n // composedPath()[0] === event.target always).\n return event.target.shadowRoot && typeof event.composedPath === 'function'\n ? event.composedPath()[0]\n : event.target;\n};\n\nconst createFocusTrap = function (elements, userOptions) {\n // SSR: a live trap shouldn't be created in this type of environment so this\n // should be safe code to execute if the `document` option isn't specified\n const doc = userOptions?.document || document;\n\n const config = {\n returnFocusOnDeactivate: true,\n escapeDeactivates: true,\n delayInitialFocus: true,\n ...userOptions,\n };\n\n const state = {\n // containers given to createFocusTrap()\n // @type {Array<HTMLElement>}\n containers: [],\n\n // list of objects identifying tabbable nodes in `containers` in the trap\n // NOTE: it's possible that a group has no tabbable nodes if nodes get removed while the trap\n // is active, but the trap should never get to a state where there isn't at least one group\n // with at least one tabbable node in it (that would lead to an error condition that would\n // result in an error being thrown)\n // @type {Array<{\n // container: HTMLElement,\n // tabbableNodes: Array<HTMLElement>, // empty if none\n // focusableNodes: Array<HTMLElement>, // empty if none\n // firstTabbableNode: HTMLElement|null,\n // lastTabbableNode: HTMLElement|null,\n // nextTabbableNode: (node: HTMLElement, forward: boolean) => HTMLElement|undefined\n // }>}\n containerGroups: [], // same order/length as `containers` list\n\n // references to objects in `containerGroups`, but only those that actually have\n // tabbable nodes in them\n // NOTE: same order as `containers` and `containerGroups`, but __not necessarily__\n // the same length\n tabbableGroups: [],\n\n nodeFocusedBeforeActivation: null,\n mostRecentlyFocusedNode: null,\n active: false,\n paused: false,\n\n // timer ID for when delayInitialFocus is true and initial focus in this trap\n // has been delayed during activation\n delayInitialFocusTimer: undefined,\n };\n\n let trap; // eslint-disable-line prefer-const -- some private functions reference it, and its methods reference private funcLine truncated
@@ -0,0 +1,6 @@
/*!
* focus-trap 6.9.4
* @license MIT, https://github.com/focus-trap/focus-trap/blob/master/LICENSE
*/
"use strict";Object.defineProperty(exports,"__esModule",{value:!0});var e=require("tabbable");function t(e,t){var n=Object.keys(e);if(Object.getOwnPropertySymbols){var a=Object.getOwnPropertySymbols(e);t&&(a=a.filter((function(t){return Object.getOwnPropertyDescriptor(e,t).enumerable}))),n.push.apply(n,a)}return n}function n(e){for(var n=1;n<arguments.length;n++){var r=null!=arguments[n]?arguments[n]:{};n%2?t(Object(r),!0).forEach((function(t){a(e,t,r[t])})):Object.getOwnPropertyDescriptors?Object.defineProperties(e,Object.getOwnPropertyDescriptors(r)):t(Object(r)).forEach((function(t){Object.defineProperty(e,t,Object.getOwnPropertyDescriptor(r,t))}))}return e}function a(e,t,n){return t in e?Object.defineProperty(e,t,{value:n,enumerable:!0,configurable:!0,writable:!0}):e[t]=n,e}var r,o=(r=[],{activateTrap:function(e){if(r.length>0){var t=r[r.length-1];t!==e&&t.pause()}var n=r.indexOf(e);-1===n||r.splice(n,1),r.push(e)},deactivateTrap:function(e){var t=r.indexOf(e);-1!==t&&r.splice(t,1),r.length>0&&r[r.length-1].unpause()}}),i=function(e){return setTimeout(e,0)},c=function(e,t){var n=-1;return e.every((function(e,a){return!t(e)||(n=a,!1)})),n},u=function(e){for(var t=arguments.length,n=new Array(t>1?t-1:0),a=1;a<t;a++)n[a-1]=arguments[a];return"function"==typeof e?e.apply(void 0,n):e},s=function(e){return e.target.shadowRoot&&"function"==typeof e.composedPath?e.composedPath()[0]:e.target};exports.createFocusTrap=function(t,a){var r,l=(null==a?void 0:a.document)||document,b=n({returnFocusOnDeactivate:!0,escapeDeactivates:!0,delayInitialFocus:!0},a),f={containers:[],containerGroups:[],tabbableGroups:[],nodeFocusedBeforeActivation:null,mostRecentlyFocusedNode:null,active:!1,paused:!1,delayInitialFocusTimer:void 0},v=function(e,t,n){return e&&void 0!==e[t]?e[t]:b[n||t]},d=function(e){return f.containerGroups.findIndex((function(t){var n=t.container,a=t.tabbableNodes;return n.contains(e)||a.find((function(t){return t===e}))}))},p=function(e){var t=b[e];if("function"==typeof t){for(var n=arguments.length,a=new Array(n>1?n-1:0),r=1;r<n;r++)a[r-1]=arguments[r];t=t.apply(void 0,a)}if(!0===t&&(t=void 0),!t){if(void 0===t||!1===t)return t;throw new Error("`".concat(e,"` was specified but was not a node, or did not return a node"))}var o=t;if("string"==typeof t&&!(o=l.querySelector(t)))throw new Error("`".concat(e,"` as selector refers to no known node"));return o},h=function(){var e=p("initialFocus");if(!1===e)return!1;if(void 0===e)if(d(l.activeElement)>=0)e=l.activeElement;else{var t=f.tabbableGroups[0];e=t&&t.firstTabbableNode||p("fallbackFocus")}if(!e)throw new Error("Your focus-trap needs to have at least one focusable element");return e},y=function(){if(f.containerGroups=f.containers.map((function(t){var n=e.tabbable(t,b.tabbableOptions),a=e.focusable(t,b.tabbableOptions);return{container:t,tabbableNodes:n,focusableNodes:a,firstTabbableNode:n.length>0?n[0]:null,lastTabbableNode:n.length>0?n[n.length-1]:null,nextTabbableNode:function(t){var n=!(arguments.length>1&&void 0!==arguments[1])||arguments[1],r=a.findIndex((function(e){return e===t}));if(!(r<0))return n?a.slice(r+1).find((function(t){return e.isTabbable(t,b.tabbableOptions)})):a.slice(0,r).reverse().find((function(t){return e.isTabbable(t,b.tabbableOptions)}))}}})),f.tabbableGroups=f.containerGroups.filter((function(e){return e.tabbableNodes.length>0})),f.tabbableGroups.length<=0&&!p("fallbackFocus"))throw new Error("Your focus-trap must have at least one container with at least one tabbable node in it at all times")},m=function e(t){!1!==t&&t!==l.activeElement&&(t&&t.focus?(t.focus({preventScroll:!!b.preventScroll}),f.mostRecentlyFocusedNode=t,function(e){return e.tagName&&"input"===e.tagName.toLowerCase()&&"function"==typeof e.select}(t)&&t.select()):e(h()))},O=function(e){var t=p("setReturnFocus",e);return t||!1!==t&&e},g=function(t){var n=s(t);d(n)>=0||(u(b.clickOutsideDeactivates,t)?r.deactivate({returnFocus:b.returnFocusOnDeactivate&&!e.isFocusable(n,b.tabbableOptions)}):u(b.allowOutsideClick,t)||t.preventDefault())},F=function(e){var t=s(e),n=d(t)>=0;n||t instanceof Document?n&&(f.mostRecentlyFocusedNode=t):(e.stopImmediatePropagation(),m(f.mostRecentlyFocusedNode||h()))},w=function(t){if(function(e){return"Escape"===e.key||"Esc"===e.key||27===e.keyCode}(t)&&!1!==u(b.escapeDeactivates,t))return t.preventDefault(),void r.deactivate();(function(e){return"Tab"===e.key||9===e.keyCode})(t)&&function(t){var n=s(t);y();var a=null;if(f.tabbableGroups.length>0){var r=d(n),o=r>=0?f.containerGroups[r]:void 0;if(r<0)a=t.shiftKey?f.tabbableGroups[f.tabbableGroups.length-1].lastTabbableNode:f.tabbableGroups[0].firstTabbableNode;else if(t.shiftKey){var i=c(f.tabbableGroups,(function(e){var t=e.firstTabbableNode;return n===t}));if(i<0&&(o.container===n||e.isFocusable(n,b.tabbableOptions)&&!e.isTabbable(n,b.tabbableOptions)&&!o.nextTabbableNode(n,!1))&&(i=r),i>=0){var u=0===i?f.tabbableGroups.length-1:i-1;a=f.tabbableGroups[u].lastTabbableNode}}else{var l=c(f.tabbaLine truncated
//# sourceMappingURL=focus-trap.min.js.map
@@ -0,0 +1 @@
{"version":3,"file":"focus-trap.min.js","sources":["../index.js"],"sourcesContent":["import { tabbable, focusable, isFocusable, isTabbable } from 'tabbable';\n\nconst activeFocusTraps = (function () {\n const trapQueue = [];\n return {\n activateTrap(trap) {\n if (trapQueue.length > 0) {\n const activeTrap = trapQueue[trapQueue.length - 1];\n if (activeTrap !== trap) {\n activeTrap.pause();\n }\n }\n\n const 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(trap) {\n const 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\nconst isSelectableInput = function (node) {\n return (\n node.tagName &&\n node.tagName.toLowerCase() === 'input' &&\n typeof node.select === 'function'\n );\n};\n\nconst isEscapeEvent = function (e) {\n return e.key === 'Escape' || e.key === 'Esc' || e.keyCode === 27;\n};\n\nconst isTabEvent = function (e) {\n return e.key === 'Tab' || e.keyCode === 9;\n};\n\nconst delay = function (fn) {\n return setTimeout(fn, 0);\n};\n\n// Array.find/findIndex() are not supported on IE; this replicates enough\n// of Array.findIndex() for our needs\nconst findIndex = function (arr, fn) {\n let idx = -1;\n\n arr.every(function (value, i) {\n if (fn(value)) {\n idx = i;\n return false; // break\n }\n\n return true; // next\n });\n\n return idx;\n};\n\n/**\n * Get an option's value when it could be a plain value, or a handler that provides\n * the value.\n * @param {*} value Option's value to check.\n * @param {...*} [params] Any parameters to pass to the handler, if `value` is a function.\n * @returns {*} The `value`, or the handler's returned value.\n */\nconst valueOrHandler = function (value, ...params) {\n return typeof value === 'function' ? value(...params) : value;\n};\n\nconst getActualTarget = function (event) {\n // NOTE: If the trap is _inside_ a shadow DOM, event.target will always be the\n // shadow host. However, event.target.composedPath() will be an array of\n // nodes \"clicked\" from inner-most (the actual element inside the shadow) to\n // outer-most (the host HTML document). If we have access to composedPath(),\n // then use its first element; otherwise, fall back to event.target (and\n // this only works for an _open_ shadow DOM; otherwise,\n // composedPath()[0] === event.target always).\n return event.target.shadowRoot && typeof event.composedPath === 'function'\n ? event.composedPath()[0]\n : event.target;\n};\n\nconst createFocusTrap = function (elements, userOptions) {\n // SSR: a live trap shouldn't be created in this type of environment so this\n // should be safe code to execute if the `document` option isn't specified\n const doc = userOptions?.document || document;\n\n const config = {\n returnFocusOnDeactivate: true,\n escapeDeactivates: true,\n delayInitialFocus: true,\n ...userOptions,\n };\n\n const state = {\n // containers given to createFocusTrap()\n // @type {Array<HTMLElement>}\n containers: [],\n\n // list of objects identifying tabbable nodes in `containers` in the trap\n // NOTE: it's possible that a group has no tabbable nodes if nodes get removed while the trap\n // is active, but the trap should never get to a state where there isn't at least one group\n // with at least one tabbable node in it (that would lead to an error condition that would\n // result in an error being thrown)\n // @type {Array<{\n // container: HTMLElement,\n // tabbableNodes: Array<HTMLElement>, // empty if none\n // focusableNodes: Array<HTMLElement>, // empty if none\n // firstTabbableNode: HTMLElement|null,\n // lastTabbableNode: HTMLElement|null,\n // nextTabbableNode: (node: HTMLElement, forward: boolean) => HTMLElement|undefined\n // }>}\n containerGroups: [], // same order/length as `containers` list\n\n // references to objects in `containerGroups`, but only those that actually have\n // tabbable nodes in them\n // NOTE: same order as `containers` and `containerGroups`, but __not necessarily__\n // the same length\n tabbableGroups: [],\n\n nodeFocusedBeforeActivation: null,\n mostRecentlyFocusedNode: null,\n active: false,\n paused: false,\n\n // timer ID for when delayInitialFocus is true and initial focus in this trap\n // has been delayed during activation\n delayInitialFocusTimer: undefined,\n };\n\n let trap; // eslint-disable-line prefer-const -- some private functions reference it, and its methods reference private Line truncated
@@ -0,0 +1,774 @@
/*!
* focus-trap 6.9.4
* @license MIT, https://github.com/focus-trap/focus-trap/blob/master/LICENSE
*/
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('tabbable')) :
typeof define === 'function' && define.amd ? define(['exports', 'tabbable'], factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, (function () {
var current = global.focusTrap;
var exports = global.focusTrap = {};
factory(exports, global.tabbable);
exports.noConflict = function () { global.focusTrap = current; return exports; };
})());
})(this, (function (exports, tabbable) { 'use strict';
function ownKeys(object, enumerableOnly) {
var keys = Object.keys(object);
if (Object.getOwnPropertySymbols) {
var symbols = Object.getOwnPropertySymbols(object);
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 = null != arguments[i] ? arguments[i] : {};
i % 2 ? ownKeys(Object(source), !0).forEach(function (key) {
_defineProperty(target, key, source[key]);
}) : Object.getOwnPropertyDescriptors ? Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) : 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: 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 {
// move this existing trap to the front of the queue
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 isSelectableInput(node) {
return node.tagName && node.tagName.toLowerCase() === 'input' && typeof node.select === 'function';
};
var isEscapeEvent = function isEscapeEvent(e) {
return e.key === 'Escape' || e.key === 'Esc' || e.keyCode === 27;
};
var isTabEvent = function isTabEvent(e) {
return e.key === 'Tab' || e.keyCode === 9;
};
var delay = function delay(fn) {
return setTimeout(fn, 0);
}; // Array.find/findIndex() are not supported on IE; this replicates enough
// of Array.findIndex() for our needs
var findIndex = function findIndex(arr, fn) {
var idx = -1;
arr.every(function (value, i) {
if (fn(value)) {
idx = i;
return false; // break
}
return true; // next
});
return idx;
};
/**
* Get an option's value when it could be a plain value, or a handler that provides
* the value.
* @param {*} value Option's value to check.
* @param {...*} [params] Any parameters to pass to the handler, if `value` is a function.
* @returns {*} The `value`, or the handler's returned value.
*/
var valueOrHandler = function valueOrHandler(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 getActualTarget = function getActualTarget(event) {
// NOTE: If the trap is _inside_ a shadow DOM, event.target will always be the
// shadow host. However, event.target.composedPath() will be an array of
// nodes "clicked" from inner-most (the actual element inside the shadow) to
// outer-most (the host HTML document). If we have access to composedPath(),
// then use its first element; otherwise, fall back to event.target (and
// this only works for an _open_ shadow DOM; otherwise,
// composedPath()[0] === event.target always).
return event.target.shadowRoot && typeof event.composedPath === 'function' ? event.composedPath()[0] : event.target;
};
var createFocusTrap = function createFocusTrap(elements, userOptions) {
// SSR: a live trap shouldn't be created in this type of environment so this
// should be safe code to execute if the `document` option isn't specified
var doc = (userOptions === null || userOptions === void 0 ? void 0 : userOptions.document) || document;
var config = _objectSpread2({
returnFocusOnDeactivate: true,
escapeDeactivates: true,
delayInitialFocus: true
}, userOptions);
var state = {
// containers given to createFocusTrap()
// @type {Array<HTMLElement>}
containers: [],
// list of objects identifying tabbable nodes in `containers` 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,
// tabbableNodes: Array<HTMLElement>, // empty if none
// focusableNodes: Array<HTMLElement>, // empty if none
// firstTabbableNode: HTMLElement|null,
// lastTabbableNode: HTMLElement|null,
// nextTabbableNode: (node: HTMLElement, forward: boolean) => HTMLElement|undefined
// }>}
containerGroups: [],
// same order/length as `containers` list
// references to objects in `containerGroups`, but only those that actually have
// tabbable nodes in them
// NOTE: same order as `containers` and `containerGroups`, but __not necessarily__
// the same length
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: undefined
};
var trap; // eslint-disable-line prefer-const -- some private functions reference it, and its methods reference private functions, so we must declare here and define later
/**
* Gets a configuration option value.
* @param {Object|undefined} configOverrideOptions If true, and option is defined in this set,
* value will be taken from this object. Otherwise, value will be taken from base configuration.
* @param {string} optionName Name of the option whose value is sought.
* @param {string|undefined} [configOptionName] Name of option to use __instead of__ `optionName`
* IIF `configOverrideOptions` is not defined. Otherwise, `optionName` is used.
*/
var getOption = function getOption(configOverrideOptions, optionName, configOptionName) {
return configOverrideOptions && configOverrideOptions[optionName] !== undefined ? configOverrideOptions[optionName] : config[configOptionName || optionName];
};
/**
* Finds the index of the container that contains the element.
* @param {HTMLElement} element
* @returns {number} Index of the container in either `state.containers` or
* `state.containerGroups` (the order/length of these lists are the same); -1
* if the element isn't found.
*/
var findContainerIndex = function findContainerIndex(element) {
// NOTE: search `containerGroups` because it's possible a group contains no tabbable
// nodes, but still contains focusable nodes (e.g. if they all have `tabindex=-1`)
// and we still need to find the element in there
return state.containerGroups.findIndex(function (_ref) {
var container = _ref.container,
tabbableNodes = _ref.tabbableNodes;
return container.contains(element) || // fall back to explicit tabbable search which will take into consideration any
// web components if the `tabbableOptions.getShadowRoot` option was used for
// the trap, enabling shadow DOM support in tabbable (`Node.contains()` doesn't
// look inside web components even if open)
tabbableNodes.find(function (node) {
return node === element;
});
});
};
/**
* Gets the node for the given option, which is expected to be an option that
* can be either a DOM node, a string that is a selector to get a node, `false`
* (if a node is explicitly NOT given), or a function that returns any of these
* values.
* @param {string} optionName
* @returns {undefined | false | HTMLElement | SVGElement} Returns
* `undefined` if the option is not specified; `false` if the option
* resolved to `false` (node explicitly not given); otherwise, the resolved
* DOM node.
* @throws {Error} If the option is set, not `false`, and is not, or does not
* resolve to a node.
*/
var getNodeForOption = function getNodeForOption(optionName) {
var optionValue = config[optionName];
if (typeof optionValue === 'function') {
for (var _len2 = arguments.length, params = new Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {
params[_key2 - 1] = arguments[_key2];
}
optionValue = optionValue.apply(void 0, params);
}
if (optionValue === true) {
optionValue = undefined; // use default value
}
if (!optionValue) {
if (optionValue === undefined || optionValue === false) {
return optionValue;
} // else, empty string (invalid), null (invalid), 0 (invalid)
throw new Error("`".concat(optionName, "` was specified but was not a node, or did not return a node"));
}
var node = optionValue; // could be HTMLElement, SVGElement, or non-empty string at this point
if (typeof optionValue === 'string') {
node = doc.querySelector(optionValue); // resolve to node, or null if fails
if (!node) {
throw new Error("`".concat(optionName, "` as selector refers to no known node"));
}
}
return node;
};
var getInitialFocusNode = function getInitialFocusNode() {
var node = getNodeForOption('initialFocus'); // false explicitly indicates we want no initialFocus at all
if (node === false) {
return false;
}
if (node === undefined) {
// option not specified: use fallback options
if (findContainerIndex(doc.activeElement) >= 0) {
node = doc.activeElement;
} else {
var firstTabbableGroup = state.tabbableGroups[0];
var firstTabbableNode = firstTabbableGroup && firstTabbableGroup.firstTabbableNode; // NOTE: `fallbackFocus` option function cannot return `false` (not supported)
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 updateTabbableNodes() {
state.containerGroups = state.containers.map(function (container) {
var tabbableNodes = tabbable.tabbable(container, config.tabbableOptions); // NOTE: if we have tabbable nodes, we must have focusable nodes; focusable nodes
// are a superset of tabbable nodes
var focusableNodes = tabbable.focusable(container, config.tabbableOptions);
return {
container: container,
tabbableNodes: tabbableNodes,
focusableNodes: focusableNodes,
firstTabbableNode: tabbableNodes.length > 0 ? tabbableNodes[0] : null,
lastTabbableNode: tabbableNodes.length > 0 ? tabbableNodes[tabbableNodes.length - 1] : null,
/**
* Finds the __tabbable__ node that follows the given node in the specified direction,
* in this container, if any.
* @param {HTMLElement} node
* @param {boolean} [forward] True if going in forward tab order; false if going
* in reverse.
* @returns {HTMLElement|undefined} The next tabbable node, if any.
*/
nextTabbableNode: function nextTabbableNode(node) {
var forward = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : true;
// NOTE: If tabindex is positive (in order to manipulate the tab order separate
// from the DOM order), this __will not work__ because the list of focusableNodes,
// while it contains tabbable nodes, does not sort its nodes in any order other
// than DOM order, because it can't: Where would you place focusable (but not
// tabbable) nodes in that order? They have no order, because they aren't tabbale...
// Support for positive tabindex is already broken and hard to manage (possibly
// not supportable, TBD), so this isn't going to make things worse than they
// already are, and at least makes things better for the majority of cases where
// tabindex is either 0/unset or negative.
// FYI, positive tabindex issue: https://github.com/focus-trap/focus-trap/issues/375
var nodeIdx = focusableNodes.findIndex(function (n) {
return n === node;
});
if (nodeIdx < 0) {
return undefined;
}
if (forward) {
return focusableNodes.slice(nodeIdx + 1).find(function (n) {
return tabbable.isTabbable(n, config.tabbableOptions);
});
}
return focusableNodes.slice(0, nodeIdx).reverse().find(function (n) {
return tabbable.isTabbable(n, config.tabbableOptions);
});
}
};
});
state.tabbableGroups = state.containerGroups.filter(function (group) {
return group.tabbableNodes.length > 0;
}); // throw if no groups have tabbable nodes and we don't have a fallback focus node either
if (state.tabbableGroups.length <= 0 && !getNodeForOption('fallbackFocus') // returning false not supported for this option
) {
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 tryFocus(node) {
if (node === false) {
return;
}
if (node === doc.activeElement) {
return;
}
if (!node || !node.focus) {
tryFocus(getInitialFocusNode());
return;
}
node.focus({
preventScroll: !!config.preventScroll
});
state.mostRecentlyFocusedNode = node;
if (isSelectableInput(node)) {
node.select();
}
};
var getReturnFocusNode = function getReturnFocusNode(previousActiveElement) {
var node = getNodeForOption('setReturnFocus', previousActiveElement);
return node ? node : node === false ? false : previousActiveElement;
}; // This needs to be done on mousedown and touchstart instead of click
// so that it precedes the focus event.
var checkPointerDown = function checkPointerDown(e) {
var target = getActualTarget(e);
if (findContainerIndex(target) >= 0) {
// allow the click since it ocurred inside the trap
return;
}
if (valueOrHandler(config.clickOutsideDeactivates, e)) {
// immediately deactivate the trap
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 && !tabbable.isFocusable(target, config.tabbableOptions)
});
return;
} // This is needed for mobile devices.
// (If we'll only let `click` events through,
// then on mobile they will be blocked anyways if `touchstart` is blocked.)
if (valueOrHandler(config.allowOutsideClick, e)) {
// allow the click outside the trap to take place
return;
} // otherwise, prevent the click
e.preventDefault();
}; // In case focus escapes the trap for some strange reason, pull it back in.
var checkFocusIn = function checkFocusIn(e) {
var target = getActualTarget(e);
var targetContained = findContainerIndex(target) >= 0; // In Firefox when you Tab out of an iframe the Document is briefly focused.
if (targetContained || target instanceof Document) {
if (targetContained) {
state.mostRecentlyFocusedNode = target;
}
} else {
// escaped! pull it back in to where it just left
e.stopImmediatePropagation();
tryFocus(state.mostRecentlyFocusedNode || getInitialFocusNode());
}
}; // Hijack Tab events on the first and last focusable nodes of the trap,
// in order to prevent focus from escaping. If it escapes for even a
// moment it can end up scrolling the page and causing confusion so we
// kind of need to capture the action at the keydown phase.
var checkTab = function checkTab(e) {
var target = getActualTarget(e);
updateTabbableNodes();
var destinationNode = null;
if (state.tabbableGroups.length > 0) {
// make sure the target is actually contained in a group
// NOTE: the target may also be the container itself if it's focusable
// with tabIndex='-1' and was given initial focus
var containerIndex = findContainerIndex(target);
var containerGroup = containerIndex >= 0 ? state.containerGroups[containerIndex] : undefined;
if (containerIndex < 0) {
// target not found in any group: quite possible focus has escaped the trap,
// so bring it back in to...
if (e.shiftKey) {
// ...the last node in the last group
destinationNode = state.tabbableGroups[state.tabbableGroups.length - 1].lastTabbableNode;
} else {
// ...the first node in the first group
destinationNode = state.tabbableGroups[0].firstTabbableNode;
}
} else if (e.shiftKey) {
// REVERSE
// is the target the first tabbable node in a group?
var startOfGroupIndex = findIndex(state.tabbableGroups, function (_ref2) {
var firstTabbableNode = _ref2.firstTabbableNode;
return target === firstTabbableNode;
});
if (startOfGroupIndex < 0 && (containerGroup.container === target || tabbable.isFocusable(target, config.tabbableOptions) && !tabbable.isTabbable(target, config.tabbableOptions) && !containerGroup.nextTabbableNode(target, false))) {
// an exception case where the target is either the container itself, or
// a non-tabbable node that was given focus (i.e. tabindex is negative
// and user clicked on it or node was programmatically given focus)
// and is not followed by any other tabbable node, in which
// case, we should handle shift+tab as if focus were on the container's
// first tabbable node, and go to the last tabbable node of the LAST group
startOfGroupIndex = containerIndex;
}
if (startOfGroupIndex >= 0) {
// YES: then shift+tab should go to the last tabbable node in the
// previous group (and wrap around to the last tabbable node of
// the LAST group if it's the first tabbable node of the FIRST group)
var destinationGroupIndex = startOfGroupIndex === 0 ? state.tabbableGroups.length - 1 : startOfGroupIndex - 1;
var destinationGroup = state.tabbableGroups[destinationGroupIndex];
destinationNode = destinationGroup.lastTabbableNode;
}
} else {
// FORWARD
// is the target the last tabbable node in a group?
var lastOfGroupIndex = findIndex(state.tabbableGroups, function (_ref3) {
var lastTabbableNode = _ref3.lastTabbableNode;
return target === lastTabbableNode;
});
if (lastOfGroupIndex < 0 && (containerGroup.container === target || tabbable.isFocusable(target, config.tabbableOptions) && !tabbable.isTabbable(target, config.tabbableOptions) && !containerGroup.nextTabbableNode(target))) {
// an exception case where the target is the container itself, or
// a non-tabbable node that was given focus (i.e. tabindex is negative
// and user clicked on it or node was programmatically given focus)
// and is not followed by any other tabbable node, in which
// case, we should handle tab as if focus were on the container's
// last tabbable node, and go to the first tabbable node of the FIRST group
lastOfGroupIndex = containerIndex;
}
if (lastOfGroupIndex >= 0) {
// YES: then tab should go to the first tabbable node in the next
// group (and wrap around to the first tabbable node of the FIRST
// group if it's the last tabbable node of the LAST group)
var _destinationGroupIndex = lastOfGroupIndex === state.tabbableGroups.length - 1 ? 0 : lastOfGroupIndex + 1;
var _destinationGroup = state.tabbableGroups[_destinationGroupIndex];
destinationNode = _destinationGroup.firstTabbableNode;
}
}
} else {
// NOTE: the fallbackFocus option does not support returning false to opt-out
destinationNode = getNodeForOption('fallbackFocus');
}
if (destinationNode) {
e.preventDefault();
tryFocus(destinationNode);
} // else, let the browser take care of [shift+]tab and move the focus
};
var checkKey = function checkKey(e) {
if (isEscapeEvent(e) && valueOrHandler(config.escapeDeactivates, e) !== false) {
e.preventDefault();
trap.deactivate();
return;
}
if (isTabEvent(e)) {
checkTab(e);
return;
}
};
var checkClick = function checkClick(e) {
var target = getActualTarget(e);
if (findContainerIndex(target) >= 0) {
return;
}
if (valueOrHandler(config.clickOutsideDeactivates, e)) {
return;
}
if (valueOrHandler(config.allowOutsideClick, e)) {
return;
}
e.preventDefault();
e.stopImmediatePropagation();
}; //
// EVENT LISTENERS
//
var addListeners = function addListeners() {
if (!state.active) {
return;
} // There can be only one listening focus trap at a time
activeFocusTraps.activateTrap(trap); // Delay ensures that the focused element doesn't capture the event
// that caused the focus trap activation.
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 removeListeners() {
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 DEFINITION
//
trap = {
get active() {
return state.active;
},
get paused() {
return state.paused;
},
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 finishActivation() {
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;
}
var options = _objectSpread2({
onDeactivate: config.onDeactivate,
onPostDeactivate: config.onPostDeactivate,
checkCanReturnFocus: config.checkCanReturnFocus
}, deactivateOptions);
clearTimeout(state.delayInitialFocusTimer); // noop if undefined
state.delayInitialFocusTimer = undefined;
removeListeners();
state.active = false;
state.paused = false;
activeFocusTraps.deactivateTrap(trap);
var onDeactivate = getOption(options, 'onDeactivate');
var onPostDeactivate = getOption(options, 'onPostDeactivate');
var checkCanReturnFocus = getOption(options, 'checkCanReturnFocus');
var returnFocus = getOption(options, 'returnFocus', 'returnFocusOnDeactivate');
if (onDeactivate) {
onDeactivate();
}
var finishDeactivation = function finishDeactivation() {
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;
}
}; // initialize container elements
trap.updateContainerElements(elements);
return trap;
};
exports.createFocusTrap = createFocusTrap;
Object.defineProperty(exports, '__esModule', { value: true });
}));
//# sourceMappingURL=focus-trap.umd.js.map
@@ -0,0 +1 @@
{"version":3,"file":"focus-trap.umd.js","sources":["../index.js"],"sourcesContent":["import { tabbable, focusable, isFocusable, isTabbable } from 'tabbable';\n\nconst activeFocusTraps = (function () {\n const trapQueue = [];\n return {\n activateTrap(trap) {\n if (trapQueue.length > 0) {\n const activeTrap = trapQueue[trapQueue.length - 1];\n if (activeTrap !== trap) {\n activeTrap.pause();\n }\n }\n\n const 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(trap) {\n const 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\nconst isSelectableInput = function (node) {\n return (\n node.tagName &&\n node.tagName.toLowerCase() === 'input' &&\n typeof node.select === 'function'\n );\n};\n\nconst isEscapeEvent = function (e) {\n return e.key === 'Escape' || e.key === 'Esc' || e.keyCode === 27;\n};\n\nconst isTabEvent = function (e) {\n return e.key === 'Tab' || e.keyCode === 9;\n};\n\nconst delay = function (fn) {\n return setTimeout(fn, 0);\n};\n\n// Array.find/findIndex() are not supported on IE; this replicates enough\n// of Array.findIndex() for our needs\nconst findIndex = function (arr, fn) {\n let idx = -1;\n\n arr.every(function (value, i) {\n if (fn(value)) {\n idx = i;\n return false; // break\n }\n\n return true; // next\n });\n\n return idx;\n};\n\n/**\n * Get an option's value when it could be a plain value, or a handler that provides\n * the value.\n * @param {*} value Option's value to check.\n * @param {...*} [params] Any parameters to pass to the handler, if `value` is a function.\n * @returns {*} The `value`, or the handler's returned value.\n */\nconst valueOrHandler = function (value, ...params) {\n return typeof value === 'function' ? value(...params) : value;\n};\n\nconst getActualTarget = function (event) {\n // NOTE: If the trap is _inside_ a shadow DOM, event.target will always be the\n // shadow host. However, event.target.composedPath() will be an array of\n // nodes \"clicked\" from inner-most (the actual element inside the shadow) to\n // outer-most (the host HTML document). If we have access to composedPath(),\n // then use its first element; otherwise, fall back to event.target (and\n // this only works for an _open_ shadow DOM; otherwise,\n // composedPath()[0] === event.target always).\n return event.target.shadowRoot && typeof event.composedPath === 'function'\n ? event.composedPath()[0]\n : event.target;\n};\n\nconst createFocusTrap = function (elements, userOptions) {\n // SSR: a live trap shouldn't be created in this type of environment so this\n // should be safe code to execute if the `document` option isn't specified\n const doc = userOptions?.document || document;\n\n const config = {\n returnFocusOnDeactivate: true,\n escapeDeactivates: true,\n delayInitialFocus: true,\n ...userOptions,\n };\n\n const state = {\n // containers given to createFocusTrap()\n // @type {Array<HTMLElement>}\n containers: [],\n\n // list of objects identifying tabbable nodes in `containers` in the trap\n // NOTE: it's possible that a group has no tabbable nodes if nodes get removed while the trap\n // is active, but the trap should never get to a state where there isn't at least one group\n // with at least one tabbable node in it (that would lead to an error condition that would\n // result in an error being thrown)\n // @type {Array<{\n // container: HTMLElement,\n // tabbableNodes: Array<HTMLElement>, // empty if none\n // focusableNodes: Array<HTMLElement>, // empty if none\n // firstTabbableNode: HTMLElement|null,\n // lastTabbableNode: HTMLElement|null,\n // nextTabbableNode: (node: HTMLElement, forward: boolean) => HTMLElement|undefined\n // }>}\n containerGroups: [], // same order/length as `containers` list\n\n // references to objects in `containerGroups`, but only those that actually have\n // tabbable nodes in them\n // NOTE: same order as `containers` and `containerGroups`, but __not necessarily__\n // the same length\n tabbableGroups: [],\n\n nodeFocusedBeforeActivation: null,\n mostRecentlyFocusedNode: null,\n active: false,\n paused: false,\n\n // timer ID for when delayInitialFocus is true and initial focus in this trap\n // has been delayed during activation\n delayInitialFocusTimer: undefined,\n };\n\n let trap; // eslint-disable-line prefer-const -- some private functions reference it, and its methods reference private Line truncated
@@ -0,0 +1,6 @@
/*!
* focus-trap 6.9.4
* @license MIT, https://github.com/focus-trap/focus-trap/blob/master/LICENSE
*/
!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?t(exports,require("tabbable")):"function"==typeof define&&define.amd?define(["exports","tabbable"],t):(e="undefined"!=typeof globalThis?globalThis:e||self,function(){var n=e.focusTrap,a=e.focusTrap={};t(a,e.tabbable),a.noConflict=function(){return e.focusTrap=n,a}}())}(this,(function(e,t){"use strict";function n(e,t){var n=Object.keys(e);if(Object.getOwnPropertySymbols){var a=Object.getOwnPropertySymbols(e);t&&(a=a.filter((function(t){return Object.getOwnPropertyDescriptor(e,t).enumerable}))),n.push.apply(n,a)}return n}function a(e){for(var t=1;t<arguments.length;t++){var a=null!=arguments[t]?arguments[t]:{};t%2?n(Object(a),!0).forEach((function(t){o(e,t,a[t])})):Object.getOwnPropertyDescriptors?Object.defineProperties(e,Object.getOwnPropertyDescriptors(a)):n(Object(a)).forEach((function(t){Object.defineProperty(e,t,Object.getOwnPropertyDescriptor(a,t))}))}return e}function o(e,t,n){return t in e?Object.defineProperty(e,t,{value:n,enumerable:!0,configurable:!0,writable:!0}):e[t]=n,e}var r,i=(r=[],{activateTrap:function(e){if(r.length>0){var t=r[r.length-1];t!==e&&t.pause()}var n=r.indexOf(e);-1===n||r.splice(n,1),r.push(e)},deactivateTrap:function(e){var t=r.indexOf(e);-1!==t&&r.splice(t,1),r.length>0&&r[r.length-1].unpause()}}),c=function(e){return setTimeout(e,0)},u=function(e,t){var n=-1;return e.every((function(e,a){return!t(e)||(n=a,!1)})),n},s=function(e){for(var t=arguments.length,n=new Array(t>1?t-1:0),a=1;a<t;a++)n[a-1]=arguments[a];return"function"==typeof e?e.apply(void 0,n):e},l=function(e){return e.target.shadowRoot&&"function"==typeof e.composedPath?e.composedPath()[0]:e.target};e.createFocusTrap=function(e,n){var o,r=(null==n?void 0:n.document)||document,b=a({returnFocusOnDeactivate:!0,escapeDeactivates:!0,delayInitialFocus:!0},n),f={containers:[],containerGroups:[],tabbableGroups:[],nodeFocusedBeforeActivation:null,mostRecentlyFocusedNode:null,active:!1,paused:!1,delayInitialFocusTimer:void 0},v=function(e,t,n){return e&&void 0!==e[t]?e[t]:b[n||t]},d=function(e){return f.containerGroups.findIndex((function(t){var n=t.container,a=t.tabbableNodes;return n.contains(e)||a.find((function(t){return t===e}))}))},p=function(e){var t=b[e];if("function"==typeof t){for(var n=arguments.length,a=new Array(n>1?n-1:0),o=1;o<n;o++)a[o-1]=arguments[o];t=t.apply(void 0,a)}if(!0===t&&(t=void 0),!t){if(void 0===t||!1===t)return t;throw new Error("`".concat(e,"` was specified but was not a node, or did not return a node"))}var i=t;if("string"==typeof t&&!(i=r.querySelector(t)))throw new Error("`".concat(e,"` as selector refers to no known node"));return i},h=function(){var e=p("initialFocus");if(!1===e)return!1;if(void 0===e)if(d(r.activeElement)>=0)e=r.activeElement;else{var t=f.tabbableGroups[0];e=t&&t.firstTabbableNode||p("fallbackFocus")}if(!e)throw new Error("Your focus-trap needs to have at least one focusable element");return e},y=function(){if(f.containerGroups=f.containers.map((function(e){var n=t.tabbable(e,b.tabbableOptions),a=t.focusable(e,b.tabbableOptions);return{container:e,tabbableNodes:n,focusableNodes:a,firstTabbableNode:n.length>0?n[0]:null,lastTabbableNode:n.length>0?n[n.length-1]:null,nextTabbableNode:function(e){var n=!(arguments.length>1&&void 0!==arguments[1])||arguments[1],o=a.findIndex((function(t){return t===e}));if(!(o<0))return n?a.slice(o+1).find((function(e){return t.isTabbable(e,b.tabbableOptions)})):a.slice(0,o).reverse().find((function(e){return t.isTabbable(e,b.tabbableOptions)}))}}})),f.tabbableGroups=f.containerGroups.filter((function(e){return e.tabbableNodes.length>0})),f.tabbableGroups.length<=0&&!p("fallbackFocus"))throw new Error("Your focus-trap must have at least one container with at least one tabbable node in it at all times")},m=function e(t){!1!==t&&t!==r.activeElement&&(t&&t.focus?(t.focus({preventScroll:!!b.preventScroll}),f.mostRecentlyFocusedNode=t,function(e){return e.tagName&&"input"===e.tagName.toLowerCase()&&"function"==typeof e.select}(t)&&t.select()):e(h()))},O=function(e){var t=p("setReturnFocus",e);return t||!1!==t&&e},g=function(e){var n=l(e);d(n)>=0||(s(b.clickOutsideDeactivates,e)?o.deactivate({returnFocus:b.returnFocusOnDeactivate&&!t.isFocusable(n,b.tabbableOptions)}):s(b.allowOutsideClick,e)||e.preventDefault())},T=function(e){var t=l(e),n=d(t)>=0;n||t instanceof Document?n&&(f.mostRecentlyFocusedNode=t):(e.stopImmediatePropagation(),m(f.mostRecentlyFocusedNode||h()))},F=function(e){if(function(e){return"Escape"===e.key||"Esc"===e.key||27===e.keyCode}(e)&&!1!==s(b.escapeDeactivates,e))return e.preventDefault(),void o.deactivate();(function(e){return"Tab"===e.key||9===e.keyCode})(e)&&function(e){var n=l(e);y();var a=null;if(f.tabbableGroups.length>0){var o=d(n),r=o>=0?f.containerGroups[o]:void 0;if(o<0)a=e.shiftKey?f.tabbableGroups[f.tabbableGroups.length-1].lastTabbableNode:f.tabbableGroups[0].firstTabbableNode;else if(e.shiftKey){var i=u(f.tabbableGroups,(function(e){var t=e.firLine truncated
//# sourceMappingURL=focus-trap.umd.min.js.map
@@ -0,0 +1 @@
{"version":3,"file":"focus-trap.umd.min.js","sources":["../index.js"],"sourcesContent":["import { tabbable, focusable, isFocusable, isTabbable } from 'tabbable';\n\nconst activeFocusTraps = (function () {\n const trapQueue = [];\n return {\n activateTrap(trap) {\n if (trapQueue.length > 0) {\n const activeTrap = trapQueue[trapQueue.length - 1];\n if (activeTrap !== trap) {\n activeTrap.pause();\n }\n }\n\n const 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(trap) {\n const 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\nconst isSelectableInput = function (node) {\n return (\n node.tagName &&\n node.tagName.toLowerCase() === 'input' &&\n typeof node.select === 'function'\n );\n};\n\nconst isEscapeEvent = function (e) {\n return e.key === 'Escape' || e.key === 'Esc' || e.keyCode === 27;\n};\n\nconst isTabEvent = function (e) {\n return e.key === 'Tab' || e.keyCode === 9;\n};\n\nconst delay = function (fn) {\n return setTimeout(fn, 0);\n};\n\n// Array.find/findIndex() are not supported on IE; this replicates enough\n// of Array.findIndex() for our needs\nconst findIndex = function (arr, fn) {\n let idx = -1;\n\n arr.every(function (value, i) {\n if (fn(value)) {\n idx = i;\n return false; // break\n }\n\n return true; // next\n });\n\n return idx;\n};\n\n/**\n * Get an option's value when it could be a plain value, or a handler that provides\n * the value.\n * @param {*} value Option's value to check.\n * @param {...*} [params] Any parameters to pass to the handler, if `value` is a function.\n * @returns {*} The `value`, or the handler's returned value.\n */\nconst valueOrHandler = function (value, ...params) {\n return typeof value === 'function' ? value(...params) : value;\n};\n\nconst getActualTarget = function (event) {\n // NOTE: If the trap is _inside_ a shadow DOM, event.target will always be the\n // shadow host. However, event.target.composedPath() will be an array of\n // nodes \"clicked\" from inner-most (the actual element inside the shadow) to\n // outer-most (the host HTML document). If we have access to composedPath(),\n // then use its first element; otherwise, fall back to event.target (and\n // this only works for an _open_ shadow DOM; otherwise,\n // composedPath()[0] === event.target always).\n return event.target.shadowRoot && typeof event.composedPath === 'function'\n ? event.composedPath()[0]\n : event.target;\n};\n\nconst createFocusTrap = function (elements, userOptions) {\n // SSR: a live trap shouldn't be created in this type of environment so this\n // should be safe code to execute if the `document` option isn't specified\n const doc = userOptions?.document || document;\n\n const config = {\n returnFocusOnDeactivate: true,\n escapeDeactivates: true,\n delayInitialFocus: true,\n ...userOptions,\n };\n\n const state = {\n // containers given to createFocusTrap()\n // @type {Array<HTMLElement>}\n containers: [],\n\n // list of objects identifying tabbable nodes in `containers` in the trap\n // NOTE: it's possible that a group has no tabbable nodes if nodes get removed while the trap\n // is active, but the trap should never get to a state where there isn't at least one group\n // with at least one tabbable node in it (that would lead to an error condition that would\n // result in an error being thrown)\n // @type {Array<{\n // container: HTMLElement,\n // tabbableNodes: Array<HTMLElement>, // empty if none\n // focusableNodes: Array<HTMLElement>, // empty if none\n // firstTabbableNode: HTMLElement|null,\n // lastTabbableNode: HTMLElement|null,\n // nextTabbableNode: (node: HTMLElement, forward: boolean) => HTMLElement|undefined\n // }>}\n containerGroups: [], // same order/length as `containers` list\n\n // references to objects in `containerGroups`, but only those that actually have\n // tabbable nodes in them\n // NOTE: same order as `containers` and `containerGroups`, but __not necessarily__\n // the same length\n tabbableGroups: [],\n\n nodeFocusedBeforeActivation: null,\n mostRecentlyFocusedNode: null,\n active: false,\n paused: false,\n\n // timer ID for when delayInitialFocus is true and initial focus in this trap\n // has been delayed during activation\n delayInitialFocusTimer: undefined,\n };\n\n let trap; // eslint-disable-line prefer-const -- some private functions reference it, and its methods reference privLine truncated