Commit node_modules

paige/node_modules/bootstrap/js/src/offcanvas.js

@@ -0,0 +1,282 @@
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v5.3.0-alpha1): offcanvas.js
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+ * --------------------------------------------------------------------------
+ */
+
+import {
+  defineJQueryPlugin,
+  isDisabled,
+  isVisible
+} from './util/index.js'
+import ScrollBarHelper from './util/scrollbar.js'
+import EventHandler from './dom/event-handler.js'
+import BaseComponent from './base-component.js'
+import SelectorEngine from './dom/selector-engine.js'
+import Backdrop from './util/backdrop.js'
+import FocusTrap from './util/focustrap.js'
+import { enableDismissTrigger } from './util/component-functions.js'
+
+/**
+ * Constants
+ */
+
+const NAME = 'offcanvas'
+const DATA_KEY = 'bs.offcanvas'
+const EVENT_KEY = `.${DATA_KEY}`
+const DATA_API_KEY = '.data-api'
+const EVENT_LOAD_DATA_API = `load${EVENT_KEY}${DATA_API_KEY}`
+const ESCAPE_KEY = 'Escape'
+
+const CLASS_NAME_SHOW = 'show'
+const CLASS_NAME_SHOWING = 'showing'
+const CLASS_NAME_HIDING = 'hiding'
+const CLASS_NAME_BACKDROP = 'offcanvas-backdrop'
+const OPEN_SELECTOR = '.offcanvas.show'
+
+const EVENT_SHOW = `show${EVENT_KEY}`
+const EVENT_SHOWN = `shown${EVENT_KEY}`
+const EVENT_HIDE = `hide${EVENT_KEY}`
+const EVENT_HIDE_PREVENTED = `hidePrevented${EVENT_KEY}`
+const EVENT_HIDDEN = `hidden${EVENT_KEY}`
+const EVENT_RESIZE = `resize${EVENT_KEY}`
+const EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`
+const EVENT_KEYDOWN_DISMISS = `keydown.dismiss${EVENT_KEY}`
+
+const SELECTOR_DATA_TOGGLE = '[data-bs-toggle="offcanvas"]'
+
+const Default = {
+  backdrop: true,
+  keyboard: true,
+  scroll: false
+}
+
+const DefaultType = {
+  backdrop: '(boolean|string)',
+  keyboard: 'boolean',
+  scroll: 'boolean'
+}
+
+/**
+ * Class definition
+ */
+
+class Offcanvas extends BaseComponent {
+  constructor(element, config) {
+    super(element, config)
+
+    this._isShown = false
+    this._backdrop = this._initializeBackDrop()
+    this._focustrap = this._initializeFocusTrap()
+    this._addEventListeners()
+  }
+
+  // Getters
+  static get Default() {
+    return Default
+  }
+
+  static get DefaultType() {
+    return DefaultType
+  }
+
+  static get NAME() {
+    return NAME
+  }
+
+  // Public
+  toggle(relatedTarget) {
+    return this._isShown ? this.hide() : this.show(relatedTarget)
+  }
+
+  show(relatedTarget) {
+    if (this._isShown) {
+      return
+    }
+
+    const showEvent = EventHandler.trigger(this._element, EVENT_SHOW, { relatedTarget })
+
+    if (showEvent.defaultPrevented) {
+      return
+    }
+
+    this._isShown = true
+    this._backdrop.show()
+
+    if (!this._config.scroll) {
+      new ScrollBarHelper().hide()
+    }
+
+    this._element.setAttribute('aria-modal', true)
+    this._element.setAttribute('role', 'dialog')
+    this._element.classList.add(CLASS_NAME_SHOWING)
+
+    const completeCallBack = () => {
+      if (!this._config.scroll || this._config.backdrop) {
+        this._focustrap.activate()
+      }
+
+      this._element.classList.add(CLASS_NAME_SHOW)
+      this._element.classList.remove(CLASS_NAME_SHOWING)
+      EventHandler.trigger(this._element, EVENT_SHOWN, { relatedTarget })
+    }
+
+    this._queueCallback(completeCallBack, this._element, true)
+  }
+
+  hide() {
+    if (!this._isShown) {
+      return
+    }
+
+    const hideEvent = EventHandler.trigger(this._element, EVENT_HIDE)
+
+    if (hideEvent.defaultPrevented) {
+      return
+    }
+
+    this._focustrap.deactivate()
+    this._element.blur()
+    this._isShown = false
+    this._element.classList.add(CLASS_NAME_HIDING)
+    this._backdrop.hide()
+
+    const completeCallback = () => {
+      this._element.classList.remove(CLASS_NAME_SHOW, CLASS_NAME_HIDING)
+      this._element.removeAttribute('aria-modal')
+      this._element.removeAttribute('role')
+
+      if (!this._config.scroll) {
+        new ScrollBarHelper().reset()
+      }
+
+      EventHandler.trigger(this._element, EVENT_HIDDEN)
+    }
+
+    this._queueCallback(completeCallback, this._element, true)
+  }
+
+  dispose() {
+    this._backdrop.dispose()
+    this._focustrap.deactivate()
+    super.dispose()
+  }
+
+  // Private
+  _initializeBackDrop() {
+    const clickCallback = () => {
+      if (this._config.backdrop === 'static') {
+        EventHandler.trigger(this._element, EVENT_HIDE_PREVENTED)
+        return
+      }
+
+      this.hide()
+    }
+
+    // 'static' option will be translated to true, and booleans will keep their value
+    const isVisible = Boolean(this._config.backdrop)
+
+    return new Backdrop({
+      className: CLASS_NAME_BACKDROP,
+      isVisible,
+      isAnimated: true,
+      rootElement: this._element.parentNode,
+      clickCallback: isVisible ? clickCallback : null
+    })
+  }
+
+  _initializeFocusTrap() {
+    return new FocusTrap({
+      trapElement: this._element
+    })
+  }
+
+  _addEventListeners() {
+    EventHandler.on(this._element, EVENT_KEYDOWN_DISMISS, event => {
+      if (event.key !== ESCAPE_KEY) {
+        return
+      }
+
+      if (!this._config.keyboard) {
+        EventHandler.trigger(this._element, EVENT_HIDE_PREVENTED)
+        return
+      }
+
+      this.hide()
+    })
+  }
+
+  // Static
+  static jQueryInterface(config) {
+    return this.each(function () {
+      const data = Offcanvas.getOrCreateInstance(this, config)
+
+      if (typeof config !== 'string') {
+        return
+      }
+
+      if (data[config] === undefined || config.startsWith('_') || config === 'constructor') {
+        throw new TypeError(`No method named "${config}"`)
+      }
+
+      data[config](this)
+    })
+  }
+}
+
+/**
+ * Data API implementation
+ */
+
+EventHandler.on(document, EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {
+  const target = SelectorEngine.getElementFromSelector(this)
+
+  if (['A', 'AREA'].includes(this.tagName)) {
+    event.preventDefault()
+  }
+
+  if (isDisabled(this)) {
+    return
+  }
+
+  EventHandler.one(target, EVENT_HIDDEN, () => {
+    // focus on trigger when it is closed
+    if (isVisible(this)) {
+      this.focus()
+    }
+  })
+
+  // avoid conflict when clicking a toggler of an offcanvas, while another is open
+  const alreadyOpen = SelectorEngine.findOne(OPEN_SELECTOR)
+  if (alreadyOpen && alreadyOpen !== target) {
+    Offcanvas.getInstance(alreadyOpen).hide()
+  }
+
+  const data = Offcanvas.getOrCreateInstance(target)
+  data.toggle(this)
+})
+
+EventHandler.on(window, EVENT_LOAD_DATA_API, () => {
+  for (const selector of SelectorEngine.find(OPEN_SELECTOR)) {
+    Offcanvas.getOrCreateInstance(selector).show()
+  }
+})
+
+EventHandler.on(window, EVENT_RESIZE, () => {
+  for (const element of SelectorEngine.find('[aria-modal][class*=show][class*=offcanvas-]')) {
+    if (getComputedStyle(element).position !== 'fixed') {
+      Offcanvas.getOrCreateInstance(element).hide()
+    }
+  }
+})
+
+enableDismissTrigger(Offcanvas)
+
+/**
+ * jQuery
+ */
+
+defineJQueryPlugin(Offcanvas)
+
+export default Offcanvas