return to the original file structure to avoid breaking modularity

1 files changed, 188 insertions, 0 deletions

diff --git a/js/src/alert.js b/js/src/alert.js
new file mode 100644
index 000000000..dbd931b52
--- /dev/null
+++ b/js/src/alert.js
@@ -0,0 +1,188 @@
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v4.3.1): alert.js
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+ * --------------------------------------------------------------------------
+ */
+
+import {
+  getjQuery,
+  TRANSITION_END,
+  emulateTransitionEnd,
+  getElementFromSelector,
+  getTransitionDurationFromElement
+} from './util/index'
+import Data from './dom/data'
+import EventHandler from './dom/event-handler'
+import SelectorEngine from './dom/selector-engine'
+
+/**
+ * ------------------------------------------------------------------------
+ * Constants
+ * ------------------------------------------------------------------------
+ */
+
+const NAME = 'alert'
+const VERSION = '4.3.1'
+const DATA_KEY = 'bs.alert'
+const EVENT_KEY = `.${DATA_KEY}`
+const DATA_API_KEY = '.data-api'
+
+const Selector = {
+  DISMISS: '[data-dismiss="alert"]'
+}
+
+const Event = {
+  CLOSE: `close${EVENT_KEY}`,
+  CLOSED: `closed${EVENT_KEY}`,
+  CLICK_DATA_API: `click${EVENT_KEY}${DATA_API_KEY}`
+}
+
+const ClassName = {
+  ALERT: 'alert',
+  FADE: 'fade',
+  SHOW: 'show'
+}
+
+/**
+ * ------------------------------------------------------------------------
+ * Class Definition
+ * ------------------------------------------------------------------------
+ */
+
+class Alert {
+  constructor(element) {
+    this._element = element
+
+    if (this._element) {
+      Data.setData(element, DATA_KEY, this)
+    }
+  }
+
+  // Getters
+
+  static get VERSION() {
+    return VERSION
+  }
+
+  // Public
+
+  close(element) {
+    let rootElement = this._element
+    if (element) {
+      rootElement = this._getRootElement(element)
+    }
+
+    const customEvent = this._triggerCloseEvent(rootElement)
+
+    if (customEvent === null || customEvent.defaultPrevented) {
+      return
+    }
+
+    this._removeElement(rootElement)
+  }
+
+  dispose() {
+    Data.removeData(this._element, DATA_KEY)
+    this._element = null
+  }
+
+  // Private
+
+  _getRootElement(element) {
+    let parent = getElementFromSelector(element)
+
+    if (!parent) {
+      parent = SelectorEngine.closest(element, `.${ClassName.ALERT}`)
+    }
+
+    return parent
+  }
+
+  _triggerCloseEvent(element) {
+    return EventHandler.trigger(element, Event.CLOSE)
+  }
+
+  _removeElement(element) {
+    element.classList.remove(ClassName.SHOW)
+
+    if (!element.classList.contains(ClassName.FADE)) {
+      this._destroyElement(element)
+      return
+    }
+
+    const transitionDuration = getTransitionDurationFromElement(element)
+
+    EventHandler
+      .one(element, TRANSITION_END, () => this._destroyElement(element))
+    emulateTransitionEnd(element, transitionDuration)
+  }
+
+  _destroyElement(element) {
+    if (element.parentNode) {
+      element.parentNode.removeChild(element)
+    }
+
+    EventHandler.trigger(element, Event.CLOSED)
+  }
+
+  // Static
+
+  static jQueryInterface(config) {
+    return this.each(function () {
+      let data = Data.getData(this, DATA_KEY)
+
+      if (!data) {
+        data = new Alert(this)
+      }
+
+      if (config === 'close') {
+        data[config](this)
+      }
+    })
+  }
+
+  static handleDismiss(alertInstance) {
+    return function (event) {
+      if (event) {
+        event.preventDefault()
+      }
+
+      alertInstance.close(this)
+    }
+  }
+
+  static getInstance(element) {
+    return Data.getData(element, DATA_KEY)
+  }
+}
+
+/**
+ * ------------------------------------------------------------------------
+ * Data Api implementation
+ * ------------------------------------------------------------------------
+ */
+EventHandler
+  .on(document, Event.CLICK_DATA_API, Selector.DISMISS, Alert.handleDismiss(new Alert()))
+
+const $ = getjQuery()
+
+/**
+ * ------------------------------------------------------------------------
+ * jQuery
+ * ------------------------------------------------------------------------
+ * add .alert to jQuery only if jQuery is present
+ */
+
+/* istanbul ignore if */
+if ($) {
+  const JQUERY_NO_CONFLICT = $.fn[NAME]
+  $.fn[NAME] = Alert.jQueryInterface
+  $.fn[NAME].Constructor = Alert
+  $.fn[NAME].noConflict = () => {
+    $.fn[NAME] = JQUERY_NO_CONFLICT
+    return Alert.jQueryInterface
+  }
+}
+
+export default Alert