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fix(b-dropdown): focus-in handling for Safari and Firefox on macOS/iOS (closes #4328) (#4426)
* fix(b-dropdown): focus-in handling for Safari and Firefox on macOS/iOS * Update dropdown.js * Fix dropdown toggle focus-in handling * Handle 'touchstart' * Revert "Handle 'touchstart'" This reverts commit b46ab2b. * Remove outdated stuff * Update dropdown.js * Add temporary logs * Update click-out.js * Update dropdown.js * Improve `inNavbar` detection by using provide/inject * Correct typos * add comment with link to issue * Update dropdown.js Co-authored-by: Troy Morehouse <troymore@nbnet.nb.ca>
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‎src/components/dropdown/README.md‎

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@@ -708,13 +708,6 @@ The `.dropdown-menu` is the `<ul>` element, while dropdown items (items, buttons
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headers, and dividers) are wrapped in an `<li>` element. If creating custom items to place inside
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the dropdown menu, ensure they are wrapped with a plain `<li>`.
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On touch-enabled devices, opening a `<b-dropdown>` adds empty (noop) `mouseover` handlers to the
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immediate children of the `<body>` element. This admittedly ugly hack is necessary to work around a
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[quirk in iOS' event delegation](https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html),
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which would otherwise prevent a tap anywhere outside of the dropdown from triggering the code that
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closes the dropdown. Once the dropdown is closed, these additional empty `mouseover` handlers are
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removed.
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## See also
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- [`<b-nav-item-dropdown>`](/docs/components/nav#dropdown-support) for dropdown support inside

‎src/components/dropdown/dropdown-item-button.js‎

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import Vue from '../../utils/vue'
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import nomalizeSlotMixin from '../../mixins/normalize-slot'
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import normalizeSlotMixin from '../../mixins/normalize-slot'
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export const props = {
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active: {
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// @vue/component
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export const BDropdownItemButton = /*#__PURE__*/ Vue.extend({
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name: 'BDropdownItemButton',
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mixins: [nomalizeSlotMixin],
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mixins: [normalizeSlotMixin],
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inheritAttrs: false,
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inject: {
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bvDropdown: {

‎src/components/dropdown/dropdown-item.js‎

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import Vue from '../../utils/vue'
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import { requestAF } from '../../utils/dom'
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import nomalizeSlotMixin from '../../mixins/normalize-slot'
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import normalizeSlotMixin from '../../mixins/normalize-slot'
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import { BLink, propsFactory as linkPropsFactory } from '../link/link'
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export const props = linkPropsFactory()
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// @vue/component
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export const BDropdownItem = /*#__PURE__*/ Vue.extend({
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name: 'BDropdownItem',
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mixins: [nomalizeSlotMixin],
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mixins: [normalizeSlotMixin],
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inheritAttrs: false,
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inject: {
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bvDropdown: {

‎src/components/dropdown/dropdown.js‎

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@@ -146,7 +146,7 @@ export const BDropdown = /*#__PURE__*/ Vue.extend({
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id: this.safeId('_BV_button_')
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},
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on: {
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click: this.click
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click: this.onSplitClick
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}
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},
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[buttonContent]
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'aria-expanded': this.visible ? 'true' : 'false'
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},
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on: {
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click: this.toggle, // click
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keydown: this.toggle // enter, space, down
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mousedown: this.onMousedown,
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click: this.toggle,
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keydown: this.toggle // Handle ENTER, SPACE and DOWN
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}
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},
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[this.split ? h('span', { class: ['sr-only'] }, [this.toggleText]) : buttonContent]
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'aria-labelledby': this.safeId(this.split ? '_BV_button_' : '_BV_toggle_')
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},
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on: {
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keydown: this.onKeydown // up, down, esc
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keydown: this.onKeydown // Handle UP, DOWN and ESC
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}
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},
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!this.lazy || this.visible ? this.normalizeSlot('default', { hide: this.hide }) : [h()]

‎src/components/nav/nav-item-dropdown.js‎

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@@ -54,8 +54,9 @@ export const BNavItemDropdown = /*#__PURE__*/ Vue.extend({
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'aria-expanded': this.visible ? 'true' : 'false'
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},
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on: {
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mousedown: this.onMousedown,
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click: this.toggle,
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keydown: this.toggle // space, enter, down
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keydown: this.toggle // Handle ENTER, SPACE and DOWN
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}
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},
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[
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'aria-labelledby': this.safeId('_BV_button_')
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},
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on: {
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keydown: this.onKeydown // up, down, esc
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keydown: this.onKeydown // Handle UP, DOWN and ESC
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}
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},
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!this.lazy || this.visible ? this.normalizeSlot('default', { hide: this.hide }) : [h()]

‎src/components/navbar/navbar.js‎

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import Vue from '../../utils/vue'
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import { mergeData } from 'vue-functional-data-merge'
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import { getComponentConfig, getBreakpoints } from '../../utils/config'
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import { isString } from '../../utils/inspect'
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import normalizeSlotMixin from '../../mixins/normalize-slot'
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const NAME = 'BNavbar'
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// @vue/component
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export const BNavbar = /*#__PURE__*/ Vue.extend({
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name: NAME,
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functional: true,
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mixins: [normalizeSlotMixin],
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props,
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render(h, { props, data, children }) {
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let breakpoint = ''
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const xs = getBreakpoints()[0]
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if (props.toggleable && isString(props.toggleable) && props.toggleable !== xs) {
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breakpoint = `navbar-expand-${props.toggleable}`
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} else if (props.toggleable === false) {
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breakpoint = 'navbar-expand'
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provide() {
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return { bvNavbar: this }
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},
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computed: {
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breakpointClass() {
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let breakpoint = null
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const xs = getBreakpoints()[0]
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const toggleable = this.toggleable
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if (toggleable && isString(toggleable) && toggleable !== xs) {
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breakpoint = `navbar-expand-${toggleable}`
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} else if (toggleable === false) {
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breakpoint = 'navbar-expand'
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}
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return breakpoint
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}
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},
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render(h) {
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return h(
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props.tag,
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mergeData(data, {
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this.tag,
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{
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staticClass: 'navbar',
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class: {
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'd-print': props.print,
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'sticky-top': props.sticky,
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[`navbar-${props.type}`]: props.type,
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[`bg-${props.variant}`]: props.variant,
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[`fixed-${props.fixed}`]: props.fixed,
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[`${breakpoint}`]: breakpoint
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},
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class: [
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{
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'd-print': this.print,
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'sticky-top': this.sticky,
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[`navbar-${this.type}`]: this.type,
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[`bg-${this.variant}`]: this.variant,
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[`fixed-${this.fixed}`]: this.fixed
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},
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this.breakpointClass
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],
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attrs: {
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role: props.tag === 'nav' ? null : 'navigation'
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role: this.tag === 'nav' ? null : 'navigation'
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}
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}),
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children
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},
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[this.normalizeSlot('default')]
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)
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}
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})

‎src/components/navbar/navbar.spec.js‎

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it('accepts custom tag', async () => {
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const wrapper = mount(BNavbar, {
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context: {
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props: { tag: 'div' }
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}
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propsData: { tag: 'div' }
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})
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expect(wrapper.is('div')).toBe(true)
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expect(wrapper.attributes('role')).toBeDefined()
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it('accepts breakpoint via toggleable prop', async () => {
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const wrapper = mount(BNavbar, {
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context: {
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props: { toggleable: 'lg' }
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}
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propsData: { toggleable: 'lg' }
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})
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expect(wrapper.classes()).toContain('navbar')
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expect(wrapper.classes()).toContain('navbar-expand-lg')
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it('toggleable=true has expected classes', async () => {
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const wrapper = mount(BNavbar, {
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context: {
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props: { toggleable: true }
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}
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propsData: { toggleable: true }
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})
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expect(wrapper.classes()).toContain('navbar')
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expect(wrapper.classes()).toContain('navbar-light')
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it('toggleable=xs has expected classes', async () => {
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const wrapper = mount(BNavbar, {
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context: {
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props: { toggleable: 'xs' }
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}
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propsData: { toggleable: 'xs' }
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})
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expect(wrapper.classes()).toContain('navbar')
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expect(wrapper.classes()).toContain('navbar-light')
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it('has class "fixed-top" when fixed="top"', async () => {
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const wrapper = mount(BNavbar, {
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context: {
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props: { fixed: 'top' }
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}
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propsData: { fixed: 'top' }
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})
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expect(wrapper.classes()).toContain('fixed-top')
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expect(wrapper.classes()).toContain('navbar')
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it('has class "fixed-top" when fixed="top"', async () => {
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const wrapper = mount(BNavbar, {
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context: {
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props: { fixed: 'top' }
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}
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propsData: { fixed: 'top' }
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})
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expect(wrapper.classes()).toContain('fixed-top')
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expect(wrapper.classes()).toContain('navbar')
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it('has class "sticky-top" when sticky=true', async () => {
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const wrapper = mount(BNavbar, {
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context: {
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props: { sticky: true }
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}
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propsData: { sticky: true }
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})
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expect(wrapper.classes()).toContain('sticky-top')
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expect(wrapper.classes()).toContain('navbar')
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it('accepts variant prop', async () => {
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const wrapper = mount(BNavbar, {
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context: {
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props: { variant: 'primary' }
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}
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propsData: { variant: 'primary' }
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})
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expect(wrapper.classes()).toContain('bg-primary')
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expect(wrapper.classes()).toContain('navbar')

‎src/mixins/click-out.js‎

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this.clickOutElement = document
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}
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if (!this.clickOutEventName) {
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this.clickOutEventName = 'ontouchstart' in document.documentElement ? 'touchstart' : 'click'
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this.clickOutEventName = 'click'
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}
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if (this.listenForClickOut) {
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eventOn(this.clickOutElement, this.clickOutEventName, this._clickOutHandler, eventOptions)

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