+// Intended to prevent false-positive bug reports about Bootstrap not working properly in old versions of IE due to folks testing using IE's unreliable emulation modes.
+(function () {
+ 'use strict'
+
+ function emulatedIEMajorVersion() {
+ var groups = /MSIE ([0-9.]+)/.exec(window.navigator.userAgent)
+ if (groups === null) {
+ return null
+ }
+ var ieVersionNum = parseInt(groups[1], 10)
+ var ieMajorVersion = Math.floor(ieVersionNum)
+ return ieMajorVersion
+ }
+
+ function actualNonEmulatedIEMajorVersion() {
+ // Detects the actual version of IE in use, even if it's in an older-IE emulation mode.
+ return jscriptVersion // IE9 or IE10 in any mode, or IE11 in non-IE11 mode
+ }
+
+ var ua = window.navigator.userAgent
+ if (ua.indexOf('Opera') > -1 || ua.indexOf('Presto') > -1) {
+ return // Opera, which might pretend to be IE
+ }
+ var emulated = emulatedIEMajorVersion()
+ if (emulated === null) {
+ return // Not IE
+ }
+ var nonEmulated = actualNonEmulatedIEMajorVersion()
+
+ if (emulated !== nonEmulated) {
+ // eslint-disable-next-line no-alert
+ window.alert('WARNING: You appear to be using IE' + nonEmulated + ' in IE' + emulated + ' emulation mode.\nIE emulation modes can behave significantly differently from ACTUAL older versions of IE.\nPLEASE DON\'T FILE BOOTSTRAP BUGS based on testing in IE emulation modes!')
+ console.warn(requested + ' modifier is required by ' + _requesting + ' modifier in order to work, be sure to include it before ' + _requesting + '!');
+ }
+ return isRequired;
+}
+
+/**
+ * @function
+ * @memberof Modifiers
+ * @argument {Object} data - The data object generated by update method
+ * @argument {Object} options - Modifiers configuration and options
+ * @returns {Object} The data object, properly modified
+ */
+function arrow(data, options) {
+ var _data$offsets$arrow;
+
+ // arrow depends on keepTogether in order to work
+ if (!isModifierRequired(data.instance.modifiers, 'arrow', 'keepTogether')) {
+ return data;
+ }
+
+ var arrowElement = options.element;
+
+ // if arrowElement is a string, suppose it's a CSS selector
+ * The element which will define the boundaries of the popper position,
+ * the popper will never be placed outside of the defined boundaries
+ * (except if keepTogether is enabled)
+ */
+ boundariesElement: 'viewport'
+ },
+
+ /**
+ * Modifier used to make the popper flow toward the inner of the reference element.
+ * By default, when this modifier is disabled, the popper will be placed outside
+ * the reference element.
+ * @memberof modifiers
+ * @inner
+ */
+ inner: {
+ /** @prop {number} order=700 - Index used to define the order of execution */
+ order: 700,
+ /** @prop {Boolean} enabled=false - Whether the modifier is enabled or not */
+ enabled: false,
+ /** @prop {ModifierFn} */
+ fn: inner
+ },
+
+ /**
+ * Modifier used to hide the popper when its reference element is outside of the
+ * popper boundaries. It will set a `x-out-of-boundaries` attribute which can
+ * be used to hide with a CSS selector the popper when its reference is
+ * out of boundaries.
+ *
+ * Requires the `preventOverflow` modifier before it in order to work.
+ * @memberof modifiers
+ * @inner
+ */
+ hide: {
+ /** @prop {number} order=800 - Index used to define the order of execution */
+ order: 800,
+ /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */
+ enabled: true,
+ /** @prop {ModifierFn} */
+ fn: hide
+ },
+
+ /**
+ * Computes the style that will be applied to the popper element to gets
+ * properly positioned.
+ *
+ * Note that this modifier will not touch the DOM, it just prepares the styles
+ * so that `applyStyle` modifier can apply it. This separation is useful
+ * in case you need to replace `applyStyle` with a custom implementation.
+ *
+ * This modifier has `850` as `order` value to maintain backward compatibility
+ * with previous versions of Popper.js. Expect the modifiers ordering method
+ * to change in future major versions of the library.
+ *
+ * @memberof modifiers
+ * @inner
+ */
+ computeStyle: {
+ /** @prop {number} order=850 - Index used to define the order of execution */
+ order: 850,
+ /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */
+ enabled: true,
+ /** @prop {ModifierFn} */
+ fn: computeStyle,
+ /**
+ * @prop {Boolean} gpuAcceleration=true
+ * If true, it uses the CSS 3d transformation to position the popper.
+ * Otherwise, it will use the `top` and `left` properties.
+ */
+ gpuAcceleration: true,
+ /**
+ * @prop {string} [x='bottom']
+ * Where to anchor the X axis (`bottom` or `top`). AKA X offset origin.
+ * Change this if your popper should grow in a direction different from `bottom`
+ */
+ x: 'bottom',
+ /**
+ * @prop {string} [x='left']
+ * Where to anchor the Y axis (`left` or `right`). AKA Y offset origin.
+ * Change this if your popper should grow in a direction different from `right`
+ */
+ y: 'right'
+ },
+
+ /**
+ * Applies the computed styles to the popper element.
+ *
+ * All the DOM manipulations are limited to this modifier. This is useful in case
+ * you want to integrate Popper.js inside a framework or view library and you
+ * want to delegate all the DOM manipulations to it.
+ *
+ * Note that if you disable this modifier, you must make sure the popper element
+ * has its position set to `absolute` before Popper.js can do its work!
+ *
+ * Just disable this modifier and define you own to achieve the desired effect.
+ *
+ * @memberof modifiers
+ * @inner
+ */
+ applyStyle: {
+ /** @prop {number} order=900 - Index used to define the order of execution */
+ order: 900,
+ /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */
+ enabled: true,
+ /** @prop {ModifierFn} */
+ fn: applyStyle,
+ /** @prop {Function} */
+ onLoad: applyStyleOnLoad,
+ /**
+ * @deprecated since version 1.10.0, the property moved to `computeStyle` modifier
+ * @prop {Boolean} gpuAcceleration=true
+ * If true, it uses the CSS 3d transformation to position the popper.
+ * Otherwise, it will use the `top` and `left` properties.
+ */
+ gpuAcceleration: undefined
+ }
+};
+
+/**
+ * The `dataObject` is an object containing all the informations used by Popper.js
+ * this object get passed to modifiers and to the `onCreate` and `onUpdate` callbacks.
+ * @name dataObject
+ * @property {Object} data.instance The Popper.js instance
+ * @property {String} data.placement Placement applied to popper
+ * @property {String} data.originalPlacement Placement originally defined on init
+ * @property {Boolean} data.flipped True if popper has been flipped by flip modifier
+ * @property {Boolean} data.hide True if the reference element is out of boundaries, useful to know when to hide the popper.
+ * @property {HTMLElement} data.arrowElement Node used as arrow by arrow modifier
+ * @property {Object} data.styles Any CSS property defined here will be applied to the popper, it expects the JavaScript nomenclature (eg. `marginBottom`)
+ * @property {Object} data.arrowStyles Any CSS property defined here will be applied to the popper arrow, it expects the JavaScript nomenclature (eg. `marginBottom`)
+ * @property {Object} data.boundaries Offsets of the popper boundaries
+ * @property {Object} data.offsets The measurements of popper, reference and arrow elements.
+ $link.addClass(ClassName.ACTIVE); // Set triggered links parents as active
+ // With both <ul> and <nav> markup a parent is the previous sibling of any nav ancestor
+
+ $link.parents(Selector.NAV_LIST_GROUP).prev(Selector.NAV_LINKS + ", " + Selector.LIST_ITEMS).addClass(ClassName.ACTIVE); // Handle special case when .nav-link is inside .nav-item
+ $link.addClass(ClassName.ACTIVE); // Set triggered links parents as active
+ // With both <ul> and <nav> markup a parent is the previous sibling of any nav ancestor
+
+ $link.parents(Selector.NAV_LIST_GROUP).prev(Selector.NAV_LINKS + ", " + Selector.LIST_ITEMS).addClass(ClassName.ACTIVE); // Handle special case when .nav-link is inside .nav-item