@dialpad/dialtone-vue

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Vue component library for Dialpad's design system Dialtone

dialtone.dialpad.com/vue

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{"version":3,"file":"popover.cjs","sources":["../../../components/popover/popover.vue"],"sourcesContent":["\n<template>\n <div>\n <portal v-if=\"modal && isOpen\">\n <div\n class=\"d-modal--transparent\"\n aria-hidden=\"false\"\n @click.prevent.stop\n />\n </portal>\n <component\n :is=\"elementType\"\n ref=\"popover\"\n :class=\"['d-popover', { 'd-popover__anchor--opened': isOpen }]\"\n data-qa=\"dt-popover-container\"\n v-on=\"$listeners\"\n >\n \n <div\n :id=\"!ariaLabelledby && labelledBy\"\n ref=\"anchor\"\n :data-qa=\"$attrs['data-qa'] ? `${$attrs['data-qa']}-anchor` : 'dt-popover-anchor'\"\n :tabindex=\"openOnContext ? 0 : undefined\"\n @click.capture=\"defaultToggleOpen\"\n @contextmenu=\"onContext\"\n @keydown.up.prevent=\"onArrowKeyPress\"\n @keydown.down.prevent=\"onArrowKeyPress\"\n @keydown.escape.capture=\"closePopover\"\n @mouseenter=\"onMouseEnter\"\n @mouseleave=\"onMouseLeave\"\n >\n \n <slot\n name=\"anchor\"\n :attrs=\"{\n 'aria-expanded': isOpen.toString(),\n 'aria-controls': id,\n 'aria-haspopup': role,\n }\"\n />\n </div>\n <dt-lazy-show\n :id=\"id\"\n ref=\"content\"\n :role=\"role\"\n :data-qa=\"$attrs['data-qa'] ? `${$attrs['data-qa']}__dialog` : 'dt-popover'\"\n :aria-hidden=\"`${!isOpen}`\"\n :aria-labelledby=\"labelledBy\"\n :aria-label=\"ariaLabel\"\n :aria-modal=\"`${!modal}`\"\n :transition=\"transition\"\n :show=\"isOpen\"\n :class=\"['d-popover__dialog', { 'd-popover__dialog--modal': modal }, dialogClass]\"\n :style=\"{\n 'max-height': calculatedMaxHeight,\n 'max-width': maxWidth,\n }\"\n :tabindex=\"contentTabindex\"\n appear\n v-on=\"popoverListeners\"\n @mouseenter=\"onMouseEnterAnchor\"\n @mouseleave=\"onMouseLeaveAnchor\"\n >\n <popover-header-footer\n v-if=\"$slots.headerContent || showCloseButton\"\n ref=\"popover__header\"\n :class=\"POPOVER_HEADER_FOOTER_PADDING_CLASSES[padding]\"\n :content-class=\"headerClass\"\n type=\"header\"\n :show-close-button=\"showCloseButton\"\n @close=\"closePopover\"\n >\n <template #content>\n \n <slot\n name=\"headerContent\"\n :close=\"closePopover\"\n />\n </template>\n </popover-header-footer>\n <div\n ref=\"popover__content\"\n :data-qa=\"$attrs['data-qa'] ? `${$attrs['data-qa']}-content` : 'dt-popover-content'\"\n :class=\"[\n 'd-popover__content',\n POPOVER_PADDING_CLASSES[padding],\n contentClass,\n ]\"\n >\n \n <slot\n name=\"content\"\n :close=\"closePopover\"\n />\n </div>\n <popover-header-footer\n v-if=\"hasFooter()\"\n ref=\"popover__footer\"\n type=\"footer\"\n :class=\"POPOVER_HEADER_FOOTER_PADDING_CLASSES[padding]\"\n :content-class=\"footerClass\"\n >\n <template #content>\n \n <slot\n name=\"footerContent\"\n :close=\"closePopover\"\n />\n </template>\n </popover-header-footer>\n <sr-only-close-button\n v-if=\"!showCloseButton\"\n @close=\"closePopover\"\n />\n </dt-lazy-show>\n </component>\n </div>\n</template>\n\n<script>\n/* eslint-disable max-lines */\nimport {\n POPOVER_APPEND_TO_VALUES,\n POPOVER_CONTENT_WIDTHS,\n POPOVER_HEADER_FOOTER_PADDING_CLASSES,\n POPOVER_INITIAL_FOCUS_STRINGS,\n POPOVER_PADDING_CLASSES,\n POPOVER_ROLES,\n POPOVER_STICKY_VALUES,\n} from './popover_constants';\nimport { getUniqueString, isOutOfViewPort, warnIfUnmounted, disableRootScrolling, enableRootScrolling } from '@/common/utils';\nimport { DtLazyShow } from '@/components/lazy_show';\nimport { Portal } from '@linusborg/vue-simple-portal';\nimport ModalMixin from '@/common/mixins/modal';\nimport { createTippyPopover, getPopperOptions } from './tippy_utils';\nimport PopoverHeaderFooter from './popover_header_footer.vue';\nimport SrOnlyCloseButton from '@/common/sr_only_close_button.vue';\n\n/**\n * A Popover displays a content overlay when its anchor element is activated.\n * @see https://dialtone.dialpad.com/components/popover.html\n */\nexport default {\n name: 'DtPopover',\n\n /********************\n * CHILD COMPONENTS *\n ********************/\n components: {\n SrOnlyCloseButton,\n DtLazyShow,\n PopoverHeaderFooter,\n Portal,\n },\n\n mixins: [ModalMixin],\n\n props: {\n /**\n * Controls whether the popover is shown. Leaving this null will have the popover trigger on click by default.\n * If you set this value, the default trigger behavior will be disabled, and you can control it as you need.\n * Supports .sync modifier\n * @values null, true, false\n */\n open: {\n type: Boolean,\n default: null,\n },\n\n /**\n * Opens the popover on right click (context menu). If you set this value to `true`,\n * the default trigger behavior will be disabled.\n * @values true, false\n */\n openOnContext: {\n type: Boolean,\n default: false,\n },\n\n /**\n * Element type (tag name) of the root element of the component.\n */\n elementType: {\n type: String,\n default: 'div',\n },\n\n /**\n * Named transition when the content display is toggled.\n * @see DtLazyShow\n */\n transition: {\n type: String,\n default: 'fade',\n },\n\n /**\n * ARIA role for the content of the popover. Defaults to \"dialog\".\n * <a class=\"d-link\" href=\"https://www.w3.org/TR/wai-aria/#aria-haspopup\" target=\"_blank\">aria-haspopup</a>\n */\n role: {\n type: String,\n default: 'dialog',\n validator: (role) => {\n return POPOVER_ROLES.includes(role);\n },\n },\n\n /**\n * ID of the element that serves as the label for the popover content.\n * Defaults to the \"anchor\" element; this exists to provide a different\n * ID of the label element if, for example, the anchor slot contains\n * other items that do not serve as a label. You should provide this\n * or ariaLabel, but not both.\n */\n ariaLabelledby: {\n type: String,\n default: null,\n },\n\n /**\n * Descriptive label for the popover content. You should provide this\n * or ariaLabelledby, but not both.\n */\n ariaLabel: {\n type: String,\n default: null,\n },\n\n /**\n * Padding size class for the popover content.\n * @values none, small, medium, large\n */\n padding: {\n type: String,\n default: 'large',\n validator: (padding) => {\n return Object.keys(POPOVER_PADDING_CLASSES).some((item) => item === padding);\n },\n },\n\n /**\n * Additional class name for the content wrapper element.\n */\n contentClass: {\n type: [String, Array, Object],\n default: '',\n },\n\n /**\n * Width configuration for the popover content. When its value is 'anchor',\n * the popover content will have the same width as the anchor.\n * @values null, anchor\n */\n contentWidth: {\n type: String,\n default: '',\n validator: contentWidth => POPOVER_CONTENT_WIDTHS.includes(contentWidth),\n },\n\n /**\n * Tabindex value for the content. Passing null, no tabindex attribute will be set.\n */\n contentTabindex: {\n type: Number || null,\n default: -1,\n },\n\n /**\n * External anchor id to use in those cases the anchor can't be provided via the slot.\n * For instance, using the combobox's input as the anchor for the popover.\n */\n externalAnchor: {\n type: String,\n default: '',\n },\n\n /**\n * The id of the tooltip\n */\n id: {\n type: String,\n default () { return getUniqueString(); },\n },\n\n /**\n * Displaces the content box from its anchor element\n * by the specified number of pixels.\n * <a\n * class=\"d-link\"\n * href=\"https://atomiks.github.io/tippyjs/v6/all-props/#offset\"\n * target=\"_blank\"\n * >\n * Tippy.js docs\n * </a>\n */\n offset: {\n type: Array,\n default: () => [0, 4],\n },\n\n /**\n * Determines if the popover hides upon clicking the\n * anchor or outside the content box.\n * @values true, false\n */\n hideOnClick: {\n type: Boolean,\n default: true,\n },\n\n /**\n * Determines modal state. If enabled popover has a modal overlay\n * preventing interaction with elements below it, but it is invisible.\n * @values true, false\n */\n modal: {\n type: Boolean,\n default: true,\n },\n\n /**\n * If the popover does not fit in the direction described by \"placement\",\n * it will attempt to change its direction to the \"fallbackPlacements\".\n * <a\n * class=\"d-link\"\n * href=\"https://popper.js.org/docs/v2/modifiers/flip/#fallbackplacements\"\n * target=\"_blank\"\n * >\n * Popper.js docs\n * </a>\n * */\n fallbackPlacements: {\n type: Array,\n default: () => {\n return ['auto'];\n },\n },\n\n /**\n * The direction the popover displays relative to the anchor.\n * <a\n * class=\"d-link\"\n * href=\"https://atomiks.github.io/tippyjs/v6/all-props/#placement\"\n * target=\"_blank\"\n * >\n * Tippy.js docs\n * </a>\n * @values top, top-start, top-end,\n * right, right-start, right-end,\n * left, left-start, left-end,\n * bottom, bottom-start, bottom-end,\n * auto, auto-start, auto-end\n */\n placement: {\n type: String,\n default: 'bottom-end',\n },\n\n /**\n * If set to false the dialog will display over top of the anchor when there is insufficient space.\n * If set to true it will never move from its position relative to the anchor and will clip instead.\n * <a\n * class=\"d-link\"\n * href=\"https://popper.js.org/docs/v2/modifiers/prevent-overflow/#tether\"\n * target=\"_blank\"\n * >\n * Popper.js docs\n * </a>\n * @values true, false\n */\n tether: {\n type: Boolean,\n default: true,\n },\n\n /**\n * If the popover sticks to the anchor. This is usually not needed, but can be needed\n * if the reference element's position is animating, or to automatically update the popover\n * position in those cases the DOM layout changes the reference element's position.\n * `true` enables it, `reference` only checks the \"reference\" rect for changes and `popper` only\n * checks the \"popper\" rect for changes.\n * <a\n * class=\"d-link\"\n * href=\"https://atomiks.github.io/tippyjs/v6/all-props/#sticky\"\n * target=\"_blank\"\n * >\n * Tippy.js docs\n * </a>\n * @values true, false, reference, popper\n */\n sticky: {\n type: [Boolean, String],\n default: false,\n validator: (sticky) => {\n return POPOVER_STICKY_VALUES.includes(sticky);\n },\n },\n\n /**\n * Determines maximum height for the popover before overflow.\n * Possible units rem|px|em\n */\n maxHeight: {\n type: String,\n default: '',\n },\n\n /**\n * Determines maximum width for the popover before overflow.\n * Possible units rem|px|%|em\n */\n maxWidth: {\n type: String,\n default: '',\n },\n\n /**\n * Determines visibility for close button\n * @values true, false\n */\n showCloseButton: {\n type: Boolean,\n default: false,\n },\n\n /**\n * Additional class name for the header content wrapper element.\n */\n headerClass: {\n type: [String, Array, Object],\n default: '',\n },\n\n /**\n * Additional class name for the footer content wrapper element.\n */\n footerClass: {\n type: [String, Array, Object],\n default: '',\n },\n\n /**\n * Additional class name for the dialog element.\n */\n dialogClass: {\n type: [String, Array, Object],\n default: '',\n },\n\n /**\n * The element that is focused when the popover is opened. This can be an\n * HTMLElement within the popover, a string starting with '#' which will\n * find the element by ID. 'first' which will automatically focus\n * the first element, or 'dialog' which will focus the dialog window itself.\n * If the dialog is modal this prop cannot be 'none'.\n * @values none, dialog, first\n */\n initialFocusElement: {\n type: [String, HTMLElement],\n default: 'first',\n validator: initialFocusElement => {\n return POPOVER_INITIAL_FOCUS_STRINGS.includes(initialFocusElement) ||\n (initialFocusElement instanceof HTMLElement) ||\n initialFocusElement.startsWith('#');\n },\n },\n\n /**\n * If the popover should open pressing up or down arrow key on the anchor element.\n * This can be set when not passing open prop.\n * @values true, false\n */\n openWithArrowKeys: {\n type: Boolean,\n default: false,\n },\n\n /**\n * Sets the element to which the popover is going to append to.\n * 'body' will append to the nearest body (supports shadow DOM).\n * 'root' will try append to the iFrame's parent body if it is contained in an iFrame\n * and has permissions to access it, else, it'd default to 'parent'.\n * @values 'body', 'parent', 'root', HTMLElement\n */\n appendTo: {\n type: [HTMLElement, String],\n default: 'body',\n validator: appendTo => {\n return POPOVER_APPEND_TO_VALUES.includes(appendTo) ||\n (appendTo instanceof HTMLElement);\n },\n },\n },\n\n emits: [\n /**\n * Emitted when popover is shown or hidden\n *\n * @event opened\n * @type {Boolean | Array}\n */\n 'opened',\n\n /**\n * Emitted to sync value with parent\n *\n * @event update:opened\n * @type {Boolean | Array}\n */\n 'update:open',\n\n /**\n * Emitted when the mouse enters the popover\n *\n * @event mouseenter-popover\n */\n 'mouseenter-popover',\n\n /**\n * Emitted when the mouse leaves the popover\n *\n * @event mouseleave-popover\n */\n 'mouseleave-popover',\n\n /**\n * Emitted when the mouse enters the popover anchor\n *\n * @event mouseenter-popover-anchor\n */\n 'mouseenter-popover-anchor',\n\n /**\n * Emitted when the mouse leaves the popover anchor\n *\n * @event mouseleave-popover-anchor\n */\n 'mouseleave-popover-anchor',\n ],\n\n data () {\n return {\n POPOVER_PADDING_CLASSES,\n POPOVER_HEADER_FOOTER_PADDING_CLASSES,\n intersectionObserver: null,\n mutationObserver: null,\n isOutsideViewport: false,\n isOpen: false,\n anchorEl: null,\n popoverContentEl: null,\n };\n },\n\n computed: {\n popoverListeners () {\n return {\n ...this.$listeners,\n\n keydown: event => {\n this.onKeydown(event);\n this.$emit('keydown', event);\n },\n\n 'after-leave': () => {\n this.onLeaveTransitionComplete();\n },\n\n 'after-enter': () => {\n this.onEnterTransitionComplete();\n },\n };\n },\n\n calculatedMaxHeight () {\n if (this.isOutsideViewport && this.modal) {\n return `calc(100vh - var(--dt-space-300))`;\n }\n return this.maxHeight;\n },\n\n labelledBy () {\n // aria-labelledby should be set only if aria-labelledby is passed as a prop, or if\n // there is no aria-label and the labelledby should point to the anchor.\n return this.ariaLabelledby || (!this.ariaLabel && getUniqueString('DtPopover__anchor'));\n },\n },\n\n watch: {\n $props: {\n immediate: true,\n deep: true,\n handler () {\n this.validateProps();\n },\n },\n\n modal (modal) {\n this.tip?.setProps({\n zIndex: modal ? 650 : this.calculateAnchorZindex(),\n });\n },\n\n offset (offset) {\n this.tip?.setProps({\n offset,\n });\n },\n\n sticky (sticky) {\n this.tip?.setProps({\n sticky,\n });\n },\n\n fallbackPlacements () {\n this.tip?.setProps({\n popperOptions: this.popperOptions(),\n });\n },\n\n tether () {\n this.tip?.setProps({\n popperOptions: this.popperOptions(),\n });\n },\n\n placement (placement) {\n this.tip?.setProps({\n placement,\n });\n },\n\n open: {\n handler: function (open) {\n if (open !== null) {\n this.isOpen = open;\n }\n },\n\n immediate: true,\n },\n\n isOpen (isOpen, isPrev) {\n if (isOpen) {\n this.initTippyInstance();\n this.tip?.show();\n } else if (!isOpen && isPrev !== isOpen) {\n this.removeEventListeners();\n this.tip?.hide();\n }\n },\n },\n\n mounted () {\n warnIfUnmounted(this.$el, this.$options.name);\n\n this.popoverContentEl = this.$refs.content?.$el;\n this.updateAnchorEl();\n\n this.mutationObserver = new MutationObserver(this.updateAnchorEl);\n this.mutationObserver.observe(this.$refs.anchor, {childList: true});\n\n // rootMargin here must be greater than the margin of the height we are setting in calculatedMaxHeight which\n // currently is var(--dt-space-300) (4px). If not the intersectionObserver will continually trigger in an infinite\n // loop.\n // threshold 1.0 makes this trigger every time the dialog \"touches\" the edge of the viewport.\n this.intersectionObserver = new IntersectionObserver(this.hasIntersectedViewport);\n this.intersectionObserver.observe(this.popoverContentEl);\n },\n\n beforeDestroy () {\n this.tip?.destroy();\n this.intersectionObserver?.disconnect();\n this.mutationObserver?.disconnect();\n this.removeReferences();\n this.removeEventListeners();\n },\n\n /******************\n * METHODS *\n ******************/\n methods: {\n hasIntersectedViewport (entries) {\n const dialog = entries?.[0]?.target;\n if (!dialog) return;\n const isOut = isOutOfViewPort(dialog);\n this.isOutsideViewport = isOut.bottom || isOut.top;\n },\n\n updateAnchorEl () {\n const externalAnchorEl = this.externalAnchor\n ? this.$refs.anchor.getRootNode().querySelector(`#${this.externalAnchor}`)\n : null;\n const anchorEl = externalAnchorEl ?? this.$refs.anchor.children[0];\n if (anchorEl === this.anchorEl) {\n return;\n }\n this.anchorEl = anchorEl;\n\n this.tip?.destroy();\n delete this.tip;\n\n if (!this.anchorEl) {\n console.warn('No anchor found for popover');\n return;\n }\n\n if (this.isOpen) {\n this.initTippyInstance();\n this.tip?.show();\n }\n },\n\n popperOptions () {\n return getPopperOptions({\n fallbackPlacements: this.fallbackPlacements,\n tether: this.tether,\n hasHideModifierEnabled: true,\n });\n },\n\n validateProps () {\n if (this.modal && this.initialFocusElement === 'none') {\n console.error('If the popover is modal you must set the ' +\n 'initialFocusElement prop. Possible values: \"dialog\", \"first\", HTMLElement');\n }\n },\n\n calculateAnchorZindex () {\n // if a modal is currently active render at modal-element z-index, otherwise at popover z-index\n if (this.$el.getRootNode()\n .querySelector('.d-modal[aria-hidden=\"false\"], .d-modal--transparent[aria-hidden=\"false\"]') ||\n // Special case because we don't have any dialtone drawer component yet. Render at 650 when\n // anchor of popover is within a drawer.\n this.anchorEl?.closest('.d-zi-drawer')) {\n return 650;\n } else {\n return 300;\n }\n },\n\n defaultToggleOpen (e) {\n if (this.openOnContext) { return; }\n\n // Only use default toggle behaviour if the user has not set the open prop.\n // Check that the anchor element specifically was clicked.\n this.open ?? (this.anchorEl?.contains(e.target) && !this.anchorEl?.disabled && this.toggleOpen());\n },\n\n async onContext (event) {\n if (!this.openOnContext) { return; }\n\n event.preventDefault();\n\n this.isOpen = true;\n await this.$nextTick();\n this.tip?.setProps({\n placement: 'right-start',\n getReferenceClientRect: () => ({\n width: 0,\n height: 0,\n top: event.clientY,\n bottom: event.clientY,\n left: event.clientX,\n right: event.clientX,\n }),\n });\n },\n\n toggleOpen () {\n this.isOpen = !this.isOpen;\n },\n\n onArrowKeyPress (e) {\n if (this.open !== null) { return; }\n\n if (this.openWithArrowKeys && this.anchorEl?.contains(e.target)) {\n if (!this.isOpen) {\n this.isOpen = true;\n }\n }\n },\n\n addEventListeners () {\n window.addEventListener('dt-popover-close', this.closePopover);\n // align popover content width when contentWidth is 'anchor'\n if (this.contentWidth === 'anchor') {\n window.addEventListener('resize', this.onResize);\n }\n },\n\n removeEventListeners () {\n window.removeEventListener('dt-popover-close', this.closePopover);\n if (this.contentWidth === 'anchor') {\n window.removeEventListener('resize', this.onResize);\n }\n },\n\n closePopover () {\n this.isOpen = false;\n },\n\n /**\n * Prevents scrolling outside of the currently opened modal popover by:\n * - when anchor is not within another popover: setting the body to overflow: hidden\n * - when anchor is within another popover: set the popover dialog container to it's non-modal z-index\n * since it is no longer the active modal. This puts it underneath the overlay and prevents scrolling.\n */\n preventScrolling () {\n if (this.modal) {\n const element = this.anchorEl?.closest('body, .tippy-box');\n if (!element) return;\n if (element.tagName?.toLowerCase() === 'body') {\n disableRootScrolling(this.anchorEl.getRootNode().host);\n this.tip?.setProps({ offset: this.offset });\n } else {\n element.classList.add('d-zi-popover');\n }\n }\n },\n\n /**\n * Resets the prevent scrolling properties set in preventScrolling() back to normal.\n */\n enableScrolling () {\n const element = this.anchorEl?.closest('body, .tippy-box');\n if (!element) return;\n if (element.tagName?.toLowerCase() === 'body') {\n enableRootScrolling(this.anchorEl.getRootNode().host);\n this.tip?.setProps({ offset: this.offset });\n } else {\n element.classList.remove('d-zi-popover');\n }\n },\n\n removeReferences () {\n this.anchorEl = null;\n this.popoverContentEl = null;\n this.tip = null;\n },\n\n async onShow () {\n if (this.contentWidth === 'anchor') {\n await this.setPopoverContentAnchorWidth();\n }\n\n if (this.contentWidth === null) {\n this.popoverContentEl.style.width = 'auto';\n }\n\n this.addEventListeners();\n },\n\n async onLeaveTransitionComplete () {\n if (this.modal) {\n await this.focusFirstElement(this.$refs.anchor);\n // await next tick in case the user wants to change focus themselves.\n await this.$nextTick();\n this.enableScrolling();\n }\n this.tip?.unmount();\n this.$emit('opened', false);\n if (this.open !== null) {\n this.$emit('update:open', false);\n }\n },\n\n async onEnterTransitionComplete () {\n this.focusInitialElement();\n // await next tick in case the user wants to change focus themselves.\n await this.$nextTick();\n this.preventScrolling();\n this.$emit('opened', true, this.$refs.popover__content);\n if (this.open !== null) {\n this.$emit('update:open', true);\n }\n },\n\n focusInitialElement () {\n if (this.initialFocusElement === 'dialog') {\n this.$refs.content?.$el?.focus();\n }\n // find by ID\n if (this.initialFocusElement.startsWith('#')) {\n this.focusInitialElementById();\n }\n if (this.initialFocusElement === 'first') {\n this.focusFirstElementIfNeeded(this.$refs.popover__content);\n }\n if (this.initialFocusElement instanceof HTMLElement) {\n this.initialFocusElement.focus();\n }\n },\n\n focusInitialElementById () {\n const result = this.$refs.content?.$el?.querySelector(this.initialFocusElement);\n if (result) {\n result.focus();\n } else {\n console.warn('Could not find the element specified in dt-popover prop \"initialFocusElement\". ' +\n 'Defaulting to focusing the dialog.');\n }\n result ? result.focus() : this.$refs.content?.$el.focus();\n },\n\n onResize () {\n this.closePopover();\n },\n\n onClickOutside () {\n if (!this.hideOnClick) return;\n // If a popover is opened inside of this one, do not hide on click out\n const innerModals = this.popoverContentEl?.querySelector('.d-popover__anchor--opened');\n if (!innerModals) {\n this.closePopover();\n }\n },\n\n onKeydown (e) {\n if (e.key === 'Tab') {\n if (this.modal) {\n this.focusTrappedTabPress(e, this.popoverContentEl);\n }\n }\n if (e.key === 'Escape') {\n this.closePopover();\n }\n },\n\n async setPopoverContentAnchorWidth () {\n await this.$nextTick();\n this.popoverContentEl.style.width = `${this.anchorEl?.clientWidth}px`;\n },\n\n focusFirstElementIfNeeded (domEl) {\n const focusableElements = this._getFocusableElements(domEl, true);\n if (focusableElements.length !== 0) {\n this.focusFirstElement(domEl);\n } else if (this.showCloseButton) {\n this.$refs.popover__header?.focusCloseButton();\n } else {\n // if there are no focusable elements at all focus the dialog itself\n this.$refs.content?.$el.focus();\n }\n },\n\n /**\n * Return's the anchor ClientRect object relative to the window.\n * Refer to: https://atomiks.github.io/tippyjs/v6/all-props/#getreferenceclientrect for more information\n * @param error\n */\n getReferenceClientRect (error) {\n const anchorReferenceRect = this.anchorEl?.getBoundingClientRect();\n\n if (this.appendTo !== 'root' || error) return anchorReferenceRect;\n\n const anchorOwnerDocument = this.anchorEl?.ownerDocument;\n const anchorParentWindow = anchorOwnerDocument?.defaultView || anchorOwnerDocument?.parentWindow;\n const anchorIframe = anchorParentWindow?.frameElement;\n\n if (!anchorIframe) return anchorReferenceRect;\n\n const iframeReferenceRect = anchorIframe.getBoundingClientRect();\n\n return {\n width: anchorReferenceRect?.width,\n height: anchorReferenceRect?.height,\n top: iframeReferenceRect?.top + anchorReferenceRect?.top,\n left: iframeReferenceRect?.left + anchorReferenceRect?.left,\n right: iframeReferenceRect?.right + anchorReferenceRect?.right,\n bottom: iframeReferenceRect?.bottom + anchorReferenceRect?.bottom,\n };\n },\n\n initTippyInstance () {\n let internalAppendTo = null;\n let iFrameError = false;\n\n switch (this.appendTo) {\n case 'body':\n internalAppendTo = this.anchorEl?.getRootNode()?.querySelector('body');\n break;\n\n case 'root':\n // Try to attach the popover to root document, fallback to parent is fail\n try {\n internalAppendTo = window.parent.document.body;\n } catch (err) {\n console.error('Could not attach the popover to iframe parent window: ', err);\n internalAppendTo = 'parent';\n iFrameError = true;\n }\n break;\n\n default:\n internalAppendTo = this.appendTo;\n break;\n }\n\n this.tip?.destroy();\n\n this.tip = createTippyPopover(this.anchorEl, {\n popperOptions: this.popperOptions(),\n contentElement: 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