popper.min.js

/*
 Copyright (C) Federico Zivolo 2019
 Distributed under the MIT License (license terms are at http://opensource.org/licenses/MIT).
 */
(function(e, t) {
    'object' == typeof exports && 'undefined' != typeof module ? module.exports = t() : 'function' == typeof define && define.amd ? define(t) : e.Popper = t()
})(this, function() {
    'use strict';

    function e(e) {
        return e && '[object Function]' === {}.toString.call(e)
    }

    function t(e, t) {
        if (1 !== e.nodeType) return [];
        var o = e.ownerDocument.defaultView,
            n = o.getComputedStyle(e, null);
        return t ? n[t] : n
    }

    function o(e) {
        return 'HTML' === e.nodeName ? e : e.parentNode || e.host
    }

    function n(e) {
        if (!e) return document.body;
        switch (e.nodeName) {
            case 'HTML':
            case 'BODY':
                return e.ownerDocument.body;
            case '#document':
                return e.body;
        }
        var i = t(e),
            r = i.overflow,
            p = i.overflowX,
            s = i.overflowY;
        return /(auto|scroll|overlay)/.test(r + s + p) ? e : n(o(e))
    }

    function r(e) {
        return 11 === e ? pe : 10 === e ? se : pe || se
    }

    function p(e) {
        if (!e) return document.documentElement;
        for (var o = r(10) ? document.body : null, n = e.offsetParent || null; n === o && e.nextElementSibling;) n = (e = e.nextElementSibling).offsetParent;
        var i = n && n.nodeName;
        return i && 'BODY' !== i && 'HTML' !== i ? -1 !== ['TH', 'TD', 'TABLE'].indexOf(n.nodeName) && 'static' === t(n, 'position') ? p(n) : n : e ? e.ownerDocument.documentElement : document.documentElement
    }

    function s(e) {
        var t = e.nodeName;
        return 'BODY' !== t && ('HTML' === t || p(e.firstElementChild) === e)
    }

    function d(e) {
        return null === e.parentNode ? e : d(e.parentNode)
    }

    function a(e, t) {
        if (!e || !e.nodeType || !t || !t.nodeType) return document.documentElement;
        var o = e.compareDocumentPosition(t) & Node.DOCUMENT_POSITION_FOLLOWING,
            n = o ? e : t,
            i = o ? t : e,
            r = document.createRange();
        r.setStart(n, 0), r.setEnd(i, 0);
        var l = r.commonAncestorContainer;
        if (e !== l && t !== l || n.contains(i)) return s(l) ? l : p(l);
        var f = d(e);
        return f.host ? a(f.host, t) : a(e, d(t).host)
    }

    function l(e) {
        var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 'top',
            o = 'top' === t ? 'scrollTop' : 'scrollLeft',
            n = e.nodeName;
        if ('BODY' === n || 'HTML' === n) {
            var i = e.ownerDocument.documentElement,
                r = e.ownerDocument.scrollingElement || i;
            return r[o]
        }
        return e[o]
    }

    function f(e, t) {
        var o = 2 < arguments.length && void 0 !== arguments[2] && arguments[2],
            n = l(t, 'top'),
            i = l(t, 'left'),
            r = o ? -1 : 1;
        return e.top += n * r, e.bottom += n * r, e.left += i * r, e.right += i * r, e
    }

    function m(e, t) {
        var o = 'x' === t ? 'Left' : 'Top',
            n = 'Left' == o ? 'Right' : 'Bottom';
        return parseFloat(e['border' + o + 'Width'], 10) + parseFloat(e['border' + n + 'Width'], 10)
    }

    function h(e, t, o, n) {
        return ee(t['offset' + e], t['scroll' + e], o['client' + e], o['offset' + e], o['scroll' + e], r(10) ? parseInt(o['offset' + e]) + parseInt(n['margin' + ('Height' === e ? 'Top' : 'Left')]) + parseInt(n['margin' + ('Height' === e ? 'Bottom' : 'Right')]) : 0)
    }

    function c(e) {
        var t = e.body,
            o = e.documentElement,
            n = r(10) && getComputedStyle(o);
        return {
            height: h('Height', t, o, n),
            width: h('Width', t, o, n)
        }
    }

    function g(e) {
        return fe({}, e, {
            right: e.left + e.width,
            bottom: e.top + e.height
        })
    }

    function u(e) {
        var o = {};
        try {
            if (r(10)) {
                o = e.getBoundingClientRect();
                var n = l(e, 'top'),
                    i = l(e, 'left');
                o.top += n, o.left += i, o.bottom += n, o.right += i
            } else o = e.getBoundingClientRect()
        } catch (t) {}
        var p = {
                left: o.left,
                top: o.top,
                width: o.right - o.left,
                height: o.bottom - o.top
            },
            s = 'HTML' === e.nodeName ? c(e.ownerDocument) : {},
            d = s.width || e.clientWidth || p.right - p.left,
            a = s.height || e.clientHeight || p.bottom - p.top,
            f = e.offsetWidth - d,
            h = e.offsetHeight - a;
        if (f || h) {
            var u = t(e);
            f -= m(u, 'x'), h -= m(u, 'y'), p.width -= f, p.height -= h
        }
        return g(p)
    }

    function b(e, o) {
        var i = 2 < arguments.length && void 0 !== arguments[2] && arguments[2],
            p = r(10),
            s = 'HTML' === o.nodeName,
            d = u(e),
            a = u(o),
            l = n(e),
            m = t(o),
            h = parseFloat(m.borderTopWidth, 10),
            c = parseFloat(m.borderLeftWidth, 10);
        i && s && (a.top = ee(a.top, 0), a.left = ee(a.left, 0));
        var b = g({
            top: d.top - a.top - h,
            left: d.left - a.left - c,
            width: d.width,
            height: d.height
        });
        if (b.marginTop = 0, b.marginLeft = 0, !p && s) {
            var w = parseFloat(m.marginTop, 10),
                y = parseFloat(m.marginLeft, 10);
            b.top -= h - w, b.bottom -= h - w, b.left -= c - y, b.right -= c - y, b.marginTop = w, b.marginLeft = y
        }
        return (p && !i ? o.contains(l) : o === l && 'BODY' !== l.nodeName) && (b = f(b, o)), b
    }

    function w(e) {
        var t = 1 < arguments.length && void 0 !== arguments[1] && arguments[1],
            o = e.ownerDocument.documentElement,
            n = b(e, o),
            i = ee(o.clientWidth, window.innerWidth || 0),
            r = ee(o.clientHeight, window.innerHeight || 0),
            p = t ? 0 : l(o),
            s = t ? 0 : l(o, 'left'),
            d = {
                top: p - n.top + n.marginTop,
                left: s - n.left + n.marginLeft,
                width: i,
                height: r
            };
        return g(d)
    }

    function y(e) {
        var n = e.nodeName;
        if ('BODY' === n || 'HTML' === n) return !1;
        if ('fixed' === t(e, 'position')) return !0;
        var i = o(e);
        return !!i && y(i)
    }

    function E(e) {
        if (!e || !e.parentElement || r()) return document.documentElement;
        for (var o = e.parentElement; o && 'none' === t(o, 'transform');) o = o.parentElement;
        return o || document.documentElement
    }

    function v(e, t, i, r) {
        var p = 4 < arguments.length && void 0 !== arguments[4] && arguments[4],
            s = {
                top: 0,
                left: 0
            },
            d = p ? E(e) : a(e, t);
        if ('viewport' === r) s = w(d, p);
        else {
            var l;
            'scrollParent' === r ? (l = n(o(t)), 'BODY' === l.nodeName && (l = e.ownerDocument.documentElement)) : 'window' === r ? l = e.ownerDocument.documentElement : l = r;
            var f = b(l, d, p);
            if ('HTML' === l.nodeName && !y(d)) {
                var m = c(e.ownerDocument),
                    h = m.height,
                    g = m.width;
                s.top += f.top - f.marginTop, s.bottom = h + f.top, s.left += f.left - f.marginLeft, s.right = g + f.left
            } else s = f
        }
        i = i || 0;
        var u = 'number' == typeof i;
        return s.left += u ? i : i.left || 0, s.top += u ? i : i.top || 0, s.right -= u ? i : i.right || 0, s.bottom -= u ? i : i.bottom || 0, s
    }

    function x(e) {
        var t = e.width,
            o = e.height;
        return t * o
    }

    function O(e, t, o, n, i) {
        var r = 5 < arguments.length && void 0 !== arguments[5] ? arguments[5] : 0;
        if (-1 === e.indexOf('auto')) return e;
        var p = v(o, n, r, i),
            s = {
                top: {
                    width: p.width,
                    height: t.top - p.top
                },
                right: {
                    width: p.right - t.right,
                    height: p.height
                },
                bottom: {
                    width: p.width,
                    height: p.bottom - t.bottom
                },
                left: {
                    width: t.left - p.left,
                    height: p.height
                }
            },
            d = Object.keys(s).map(function(e) {
                return fe({
                    key: e
                }, s[e], {
                    area: x(s[e])
                })
            }).sort(function(e, t) {
                return t.area - e.area
            }),
            a = d.filter(function(e) {
                var t = e.width,
                    n = e.height;
                return t >= o.clientWidth && n >= o.clientHeight
            }),
            l = 0 < a.length ? a[0].key : d[0].key,
            f = e.split('-')[1];
        return l + (f ? '-' + f : '')
    }

    function L(e, t, o) {
        var n = 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : null,
            i = n ? E(t) : a(t, o);
        return b(o, i, n)
    }

    function S(e) {
        var t = e.ownerDocument.defaultView,
            o = t.getComputedStyle(e),
            n = parseFloat(o.marginTop || 0) + parseFloat(o.marginBottom || 0),
            i = parseFloat(o.marginLeft || 0) + parseFloat(o.marginRight || 0),
            r = {
                width: e.offsetWidth + i,
                height: e.offsetHeight + n
            };
        return r
    }

    function T(e) {
        var t = {
            left: 'right',
            right: 'left',
            bottom: 'top',
            top: 'bottom'
        };
        return e.replace(/left|right|bottom|top/g, function(e) {
            return t[e]
        })
    }

    function D(e, t, o) {
        o = o.split('-')[0];
        var n = S(e),
            i = {
                width: n.width,
                height: n.height
            },
            r = -1 !== ['right', 'left'].indexOf(o),
            p = r ? 'top' : 'left',
            s = r ? 'left' : 'top',
            d = r ? 'height' : 'width',
            a = r ? 'width' : 'height';
        return i[p] = t[p] + t[d] / 2 - n[d] / 2, i[s] = o === s ? t[s] - n[a] : t[T(s)], i
    }

    function C(e, t) {
        return Array.prototype.find ? e.find(t) : e.filter(t)[0]
    }

    function N(e, t, o) {
        if (Array.prototype.findIndex) return e.findIndex(function(e) {
            return e[t] === o
        });
        var n = C(e, function(e) {
            return e[t] === o
        });
        return e.indexOf(n)
    }

    function P(t, o, n) {
        var i = void 0 === n ? t : t.slice(0, N(t, 'name', n));
        return i.forEach(function(t) {
            t['function'] && console.warn('`modifier.function` is deprecated, use `modifier.fn`!');
            var n = t['function'] || t.fn;
            t.enabled && e(n) && (o.offsets.popper = g(o.offsets.popper), o.offsets.reference = g(o.offsets.reference), o = n(o, t))
        }), o
    }

    function k() {
        if (!this.state.isDestroyed) {
            var e = {
                instance: this,
                styles: {},
                arrowStyles: {},
                attributes: {},
                flipped: !1,
                offsets: {}
            };
            e.offsets.reference = L(this.state, this.popper, this.reference, this.options.positionFixed), e.placement = O(this.options.placement, e.offsets.reference, this.popper, this.reference, this.options.modifiers.flip.boundariesElement, this.options.modifiers.flip.padding), e.originalPlacement = e.placement, e.positionFixed = this.options.positionFixed, e.offsets.popper = D(this.popper, e.offsets.reference, e.placement), e.offsets.popper.position = this.options.positionFixed ? 'fixed' : 'absolute', e = P(this.modifiers, e), this.state.isCreated ? this.options.onUpdate(e) : (this.state.isCreated = !0, this.options.onCreate(e))
        }
    }

    function W(e, t) {
        return e.some(function(e) {
            var o = e.name,
                n = e.enabled;
            return n && o === t
        })
    }

    function H(e) {
        for (var t = [!1, 'ms', 'Webkit', 'Moz', 'O'], o = e.charAt(0).toUpperCase() + e.slice(1), n = 0; n < t.length; n++) {
            var i = t[n],
                r = i ? '' + i + o : e;
            if ('undefined' != typeof document.body.style[r]) return r
        }
        return null
    }

    function B() {
        return this.state.isDestroyed = !0, W(this.modifiers, 'applyStyle') && (this.popper.removeAttribute('x-placement'), this.popper.style.position = '', this.popper.style.top = '', this.popper.style.left = '', this.popper.style.right = '', this.popper.style.bottom = '', this.popper.style.willChange = '', this.popper.style[H('transform')] = ''), this.disableEventListeners(), this.options.removeOnDestroy && this.popper.parentNode.removeChild(this.popper), this
    }

    function A(e) {
        var t = e.ownerDocument;
        return t ? t.defaultView : window
    }

    function M(e, t, o, i) {
        var r = 'BODY' === e.nodeName,
            p = r ? e.ownerDocument.defaultView : e;
        p.addEventListener(t, o, {
            passive: !0
        }), r || M(n(p.parentNode), t, o, i), i.push(p)
    }

    function F(e, t, o, i) {
        o.updateBound = i, A(e).addEventListener('resize', o.updateBound, {
            passive: !0
        });
        var r = n(e);
        return M(r, 'scroll', o.updateBound, o.scrollParents), o.scrollElement = r, o.eventsEnabled = !0, o
    }

    function I() {
        this.state.eventsEnabled || (this.state = F(this.reference, this.options, this.state, this.scheduleUpdate))
    }

    function R(e, t) {
        return A(e).removeEventListener('resize', t.updateBound), t.scrollParents.forEach(function(e) {
            e.removeEventListener('scroll', t.updateBound)
        }), t.updateBound = null, t.scrollParents = [], t.scrollElement = null, t.eventsEnabled = !1, t
    }

    function U() {
        this.state.eventsEnabled && (cancelAnimationFrame(this.scheduleUpdate), this.state = R(this.reference, this.state))
    }

    function Y(e) {
        return '' !== e && !isNaN(parseFloat(e)) && isFinite(e)
    }

    function j(e, t) {
        Object.keys(t).forEach(function(o) {
            var n = ''; - 1 !== ['width', 'height', 'top', 'right', 'bottom', 'left'].indexOf(o) && Y(t[o]) && (n = 'px'), e.style[o] = t[o] + n
        })
    }

    function V(e, t) {
        Object.keys(t).forEach(function(o) {
            var n = t[o];
            !1 === n ? e.removeAttribute(o) : e.setAttribute(o, t[o])
        })
    }

    function q(e, t) {
        var o = e.offsets,
            n = o.popper,
            i = o.reference,
            r = $,
            p = function(e) {
                return e
            },
            s = r(i.width),
            d = r(n.width),
            a = -1 !== ['left', 'right'].indexOf(e.placement),
            l = -1 !== e.placement.indexOf('-'),
            f = t ? a || l || s % 2 == d % 2 ? r : Z : p,
            m = t ? r : p;
        return {
            left: f(1 == s % 2 && 1 == d % 2 && !l && t ? n.left - 1 : n.left),
            top: m(n.top),
            bottom: m(n.bottom),
            right: f(n.right)
        }
    }

    function K(e, t, o) {
        var n = C(e, function(e) {
                var o = e.name;
                return o === t
            }),
            i = !!n && e.some(function(e) {
                return e.name === o && e.enabled && e.order < n.order
            });
        if (!i) {
            var r = '`' + t + '`';
            console.warn('`' + o + '`' + ' modifier is required by ' + r + ' modifier in order to work, be sure to include it before ' + r + '!')
        }
        return i
    }

    function z(e) {
        return 'end' === e ? 'start' : 'start' === e ? 'end' : e
    }

    function G(e) {
        var t = 1 < arguments.length && void 0 !== arguments[1] && arguments[1],
            o = ce.indexOf(e),
            n = ce.slice(o + 1).concat(ce.slice(0, o));
        return t ? n.reverse() : n
    }

    function _(e, t, o, n) {
        var i = e.match(/((?:\-|\+)?\d*\.?\d*)(.*)/),
            r = +i[1],
            p = i[2];
        if (!r) return e;
        if (0 === p.indexOf('%')) {
            var s;
            switch (p) {
                case '%p':
                    s = o;
                    break;
                case '%':
                case '%r':
                default:
                    s = n;
            }
            var d = g(s);
            return d[t] / 100 * r
        }
        if ('vh' === p || 'vw' === p) {
            var a;
            return a = 'vh' === p ? ee(document.documentElement.clientHeight, window.innerHeight || 0) : ee(document.documentElement.clientWidth, window.innerWidth || 0), a / 100 * r
        }
        return r
    }

    function X(e, t, o, n) {
        var i = [0, 0],
            r = -1 !== ['right', 'left'].indexOf(n),
            p = e.split(/(\+|\-)/).map(function(e) {
                return e.trim()
            }),
            s = p.indexOf(C(p, function(e) {
                return -1 !== e.search(/,|\s/)
            }));
        p[s] && -1 === p[s].indexOf(',') && console.warn('Offsets separated by white space(s) are deprecated, use a comma (,) instead.');
        var d = /\s*,\s*|\s+/,
            a = -1 === s ? [p] : [p.slice(0, s).concat([p[s].split(d)[0]]), [p[s].split(d)[1]].concat(p.slice(s + 1))];
        return a = a.map(function(e, n) {
            var i = (1 === n ? !r : r) ? 'height' : 'width',
                p = !1;
            return e.reduce(function(e, t) {
                return '' === e[e.length - 1] && -1 !== ['+', '-'].indexOf(t) ? (e[e.length - 1] = t, p = !0, e) : p ? (e[e.length - 1] += t, p = !1, e) : e.concat(t)
            }, []).map(function(e) {
                return _(e, i, t, o)
            })
        }), a.forEach(function(e, t) {
            e.forEach(function(o, n) {
                Y(o) && (i[t] += o * ('-' === e[n - 1] ? -1 : 1))
            })
        }), i
    }

    function J(e, t) {
        var o, n = t.offset,
            i = e.placement,
            r = e.offsets,
            p = r.popper,
            s = r.reference,
            d = i.split('-')[0];
        return o = Y(+n) ? [+n, 0] : X(n, p, s, d), 'left' === d ? (p.top += o[0], p.left -= o[1]) : 'right' === d ? (p.top += o[0], p.left += o[1]) : 'top' === d ? (p.left += o[0], p.top -= o[1]) : 'bottom' === d && (p.left += o[0], p.top += o[1]), e.popper = p, e
    }
    for (var Q = Math.min, Z = Math.floor, $ = Math.round, ee = Math.max, te = 'undefined' != typeof window && 'undefined' != typeof document, oe = ['Edge', 'Trident', 'Firefox'], ne = 0, ie = 0; ie < oe.length; ie += 1)
        if (te && 0 <= navigator.userAgent.indexOf(oe[ie])) {
            ne = 1;
            break
        }
    var i = te && window.Promise,
        re = i ? function(e) {
            var t = !1;
            return function() {
                t || (t = !0, window.Promise.resolve().then(function() {
                    t = !1, e()
                }))
            }
        } : function(e) {
            var t = !1;
            return function() {
                t || (t = !0, setTimeout(function() {
                    t = !1, e()
                }, ne))
            }
        },
        pe = te && !!(window.MSInputMethodContext && document.documentMode),
        se = te && /MSIE 10/.test(navigator.userAgent),
        de = function(e, t) {
            if (!(e instanceof t)) throw new TypeError('Cannot call a class as a function')
        },
        ae = function() {
            function e(e, t) {
                for (var o, n = 0; n < t.length; n++) o = t[n], o.enumerable = o.enumerable || !1, o.configurable = !0, 'value' in o && (o.writable = !0), Object.defineProperty(e, o.key, o)
            }
            return function(t, o, n) {
                return o && e(t.prototype, o), n && e(t, n), t
            }
        }(),
        le = function(e, t, o) {
            return t in e ? Object.defineProperty(e, t, {
                value: o,
                enumerable: !0,
                configurable: !0,
                writable: !0
            }) : e[t] = o, e
        },
        fe = Object.assign || function(e) {
            for (var t, o = 1; o < arguments.length; o++)
                for (var n in t = arguments[o], t) Object.prototype.hasOwnProperty.call(t, n) && (e[n] = t[n]);
            return e
        },
        me = te && /Firefox/i.test(navigator.userAgent),
        he = ['auto-start', 'auto', 'auto-end', 'top-start', 'top', 'top-end', 'right-start', 'right', 'right-end', 'bottom-end', 'bottom', 'bottom-start', 'left-end', 'left', 'left-start'],
        ce = he.slice(3),
        ge = {
            FLIP: 'flip',
            CLOCKWISE: 'clockwise',
            COUNTERCLOCKWISE: 'counterclockwise'
        },
        ue = function() {
            function t(o, n) {
                var i = this,
                    r = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : {};
                de(this, t), this.scheduleUpdate = function() {
                    return requestAnimationFrame(i.update)
                }, this.update = re(this.update.bind(this)), this.options = fe({}, t.Defaults, r), this.state = {
                    isDestroyed: !1,
                    isCreated: !1,
                    scrollParents: []
                }, this.reference = o && o.jquery ? o[0] : o, this.popper = n && n.jquery ? n[0] : n, this.options.modifiers = {}, Object.keys(fe({}, t.Defaults.modifiers, r.modifiers)).forEach(function(e) {
                    i.options.modifiers[e] = fe({}, t.Defaults.modifiers[e] || {}, r.modifiers ? r.modifiers[e] : {})
                }), this.modifiers = Object.keys(this.options.modifiers).map(function(e) {
                    return fe({
                        name: e
                    }, i.options.modifiers[e])
                }).sort(function(e, t) {
                    return e.order - t.order
                }), this.modifiers.forEach(function(t) {
                    t.enabled && e(t.onLoad) && t.onLoad(i.reference, i.popper, i.options, t, i.state)
                }), this.update();
                var p = this.options.eventsEnabled;
                p && this.enableEventListeners(), this.state.eventsEnabled = p
            }
            return ae(t, [{
                key: 'update',
                value: function() {
                    return k.call(this)
                }
            }, {
                key: 'destroy',
                value: function() {
                    return B.call(this)
                }
            }, {
                key: 'enableEventListeners',
                value: function() {
                    return I.call(this)
                }
            }, {
                key: 'disableEventListeners',
                value: function() {
                    return U.call(this)
                }
            }]), t
        }();
    return ue.Utils = ('undefined' == typeof window ? global : window).PopperUtils, ue.placements = he, ue.Defaults = {
        placement: 'bottom',
        positionFixed: !1,
        eventsEnabled: !0,
        removeOnDestroy: !1,
        onCreate: function() {},
        onUpdate: function() {},
        modifiers: {
            shift: {
                order: 100,
                enabled: !0,
                fn: function(e) {
                    var t = e.placement,
                        o = t.split('-')[0],
                        n = t.split('-')[1];
                    if (n) {
                        var i = e.offsets,
                            r = i.reference,
                            p = i.popper,
                            s = -1 !== ['bottom', 'top'].indexOf(o),
                            d = s ? 'left' : 'top',
                            a = s ? 'width' : 'height',
                            l = {
                                start: le({}, d, r[d]),
                                end: le({}, d, r[d] + r[a] - p[a])
                            };
                        e.offsets.popper = fe({}, p, l[n])
                    }
                    return e
                }
            },
            offset: {
                order: 200,
                enabled: !0,
                fn: J,
                offset: 0
            },
            preventOverflow: {
                order: 300,
                enabled: !0,
                fn: function(e, t) {
                    var o = t.boundariesElement || p(e.instance.popper);
                    e.instance.reference === o && (o = p(o));
                    var n = H('transform'),
                        i = e.instance.popper.style,
                        r = i.top,
                        s = i.left,
                        d = i[n];
                    i.top = '', i.left = '', i[n] = '';
                    var a = v(e.instance.popper, e.instance.reference, t.padding, o, e.positionFixed);
                    i.top = r, i.left = s, i[n] = d, t.boundaries = a;
                    var l = t.priority,
                        f = e.offsets.popper,
                        m = {
                            primary: function(e) {
                                var o = f[e];
                                return f[e] < a[e] && !t.escapeWithReference && (o = ee(f[e], a[e])), le({}, e, o)
                            },
                            secondary: function(e) {
                                var o = 'right' === e ? 'left' : 'top',
                                    n = f[o];
                                return f[e] > a[e] && !t.escapeWithReference && (n = Q(f[o], a[e] - ('right' === e ? f.width : f.height))), le({}, o, n)
                            }
                        };
                    return l.forEach(function(e) {
                        var t = -1 === ['left', 'top'].indexOf(e) ? 'secondary' : 'primary';
                        f = fe({}, f, m[t](e))
                    }), e.offsets.popper = f, e
                },
                priority: ['left', 'right', 'top', 'bottom'],
                padding: 5,
                boundariesElement: 'scrollParent'
            },
            keepTogether: {
                order: 400,
                enabled: !0,
                fn: function(e) {
                    var t = e.offsets,
                        o = t.popper,
                        n = t.reference,
                        i = e.placement.split('-')[0],
                        r = Z,
                        p = -1 !== ['top', 'bottom'].indexOf(i),
                        s = p ? 'right' : 'bottom',
                        d = p ? 'left' : 'top',
                        a = p ? 'width' : 'height';
                    return o[s] < r(n[d]) && (e.offsets.popper[d] = r(n[d]) - o[a]), o[d] > r(n[s]) && (e.offsets.popper[d] = r(n[s])), e
                }
            },
            arrow: {
                order: 500,
                enabled: !0,
                fn: function(e, o) {
                    var n;
                    if (!K(e.instance.modifiers, 'arrow', 'keepTogether')) return e;
                    var i = o.element;
                    if ('string' == typeof i) {
                        if (i = e.instance.popper.querySelector(i), !i) return e;
                    } else if (!e.instance.popper.contains(i)) return console.warn('WARNING: `arrow.element` must be child of its popper element!'), e;
                    var r = e.placement.split('-')[0],
                        p = e.offsets,
                        s = p.popper,
                        d = p.reference,
                        a = -1 !== ['left', 'right'].indexOf(r),
                        l = a ? 'height' : 'width',
                        f = a ? 'Top' : 'Left',
                        m = f.toLowerCase(),
                        h = a ? 'left' : 'top',
                        c = a ? 'bottom' : 'right',
                        u = S(i)[l];
                    d[c] - u < s[m] && (e.offsets.popper[m] -= s[m] - (d[c] - u)), d[m] + u > s[c] && (e.offsets.popper[m] += d[m] + u - s[c]), e.offsets.popper = g(e.offsets.popper);
                    var b = d[m] + d[l] / 2 - u / 2,
                        w = t(e.instance.popper),
                        y = parseFloat(w['margin' + f], 10),
                        E = parseFloat(w['border' + f + 'Width'], 10),
                        v = b - e.offsets.popper[m] - y - E;
                    return v = ee(Q(s[l] - u, v), 0), e.arrowElement = i, e.offsets.arrow = (n = {}, le(n, m, $(v)), le(n, h, ''), n), e
                },
                element: '[x-arrow]'
            },
            flip: {
                order: 600,
                enabled: !0,
                fn: function(e, t) {
                    if (W(e.instance.modifiers, 'inner')) return e;
                    if (e.flipped && e.placement === e.originalPlacement) return e;
                    var o = v(e.instance.popper, e.instance.reference, t.padding, t.boundariesElement, e.positionFixed),
                        n = e.placement.split('-')[0],
                        i = T(n),
                        r = e.placement.split('-')[1] || '',
                        p = [];
                    switch (t.behavior) {
                        case ge.FLIP:
                            p = [n, i];
                            break;
                        case ge.CLOCKWISE:
                            p = G(n);
                            break;
                        case ge.COUNTERCLOCKWISE:
                            p = G(n, !0);
                            break;
                        default:
                            p = t.behavior;
                    }
                    return p.forEach(function(s, d) {
                        if (n !== s || p.length === d + 1) return e;
                        n = e.placement.split('-')[0], i = T(n);
                        var a = e.offsets.popper,
                            l = e.offsets.reference,
                            f = Z,
                            m = 'left' === n && f(a.right) > f(l.left) || 'right' === n && f(a.left) < f(l.right) || 'top' === n && f(a.bottom) > f(l.top) || 'bottom' === n && f(a.top) < f(l.bottom),
                            h = f(a.left) < f(o.left),
                            c = f(a.right) > f(o.right),
                            g = f(a.top) < f(o.top),
                            u = f(a.bottom) > f(o.bottom),
                            b = 'left' === n && h || 'right' === n && c || 'top' === n && g || 'bottom' === n && u,
                            w = -1 !== ['top', 'bottom'].indexOf(n),
                            y = !!t.flipVariations && (w && 'start' === r && h || w && 'end' === r && c || !w && 'start' === r && g || !w && 'end' === r && u);
                        (m || b || y) && (e.flipped = !0, (m || b) && (n = p[d + 1]), y && (r = z(r)), e.placement = n + (r ? '-' + r : ''), e.offsets.popper = fe({}, e.offsets.popper, D(e.instance.popper, e.offsets.reference, e.placement)), e = P(e.instance.modifiers, e, 'flip'))
                    }), e
                },
                behavior: 'flip',
                padding: 5,
                boundariesElement: 'viewport'
            },
            inner: {
                order: 700,
                enabled: !1,
                fn: function(e) {
                    var t = e.placement,
                        o = t.split('-')[0],
                        n = e.offsets,
                        i = n.popper,
                        r = n.reference,
                        p = -1 !== ['left', 'right'].indexOf(o),
                        s = -1 === ['top', 'left'].indexOf(o);
                    return i[p ? 'left' : 'top'] = r[o] - (s ? i[p ? 'width' : 'height'] : 0), e.placement = T(t), e.offsets.popper = g(i), e
                }
            },
            hide: {
                order: 800,
                enabled: !0,
                fn: function(e) {
                    if (!K(e.instance.modifiers, 'hide', 'preventOverflow')) return e;
                    var t = e.offsets.reference,
                        o = C(e.instance.modifiers, function(e) {
                            return 'preventOverflow' === e.name
                        }).boundaries;
                    if (t.bottom < o.top || t.left > o.right || t.top > o.bottom || t.right < o.left) {
                        if (!0 === e.hide) return e;
                        e.hide = !0, e.attributes['x-out-of-boundaries'] = ''
                    } else {
                        if (!1 === e.hide) return e;
                        e.hide = !1, e.attributes['x-out-of-boundaries'] = !1
                    }
                    return e
                }
            },
            computeStyle: {
                order: 850,
                enabled: !0,
                fn: function(e, t) {
                    var o = t.x,
                        n = t.y,
                        i = e.offsets.popper,
                        r = C(e.instance.modifiers, function(e) {
                            return 'applyStyle' === e.name
                        }).gpuAcceleration;
                    void 0 !== r && console.warn('WARNING: `gpuAcceleration` option moved to `computeStyle` modifier and will not be supported in future versions of Popper.js!');
                    var s, d, a = void 0 === r ? t.gpuAcceleration : r,
                        l = p(e.instance.popper),
                        f = u(l),
                        m = {
                            position: i.position
                        },
                        h = q(e, 2 > window.devicePixelRatio || !me),
                        c = 'bottom' === o ? 'top' : 'bottom',
                        g = 'right' === n ? 'left' : 'right',
                        b = H('transform');
                    if (d = 'bottom' == c ? 'HTML' === l.nodeName ? -l.clientHeight + h.bottom : -f.height + h.bottom : h.top, s = 'right' == g ? 'HTML' === l.nodeName ? -l.clientWidth + h.right : -f.width + h.right : h.left, a && b) m[b] = 'translate3d(' + s + 'px, ' + d + 'px, 0)', m[c] = 0, m[g] = 0, m.willChange = 'transform';
                    else {
                        var w = 'bottom' == c ? -1 : 1,
                            y = 'right' == g ? -1 : 1;
                        m[c] = d * w, m[g] = s * y, m.willChange = c + ', ' + g
                    }
                    var E = {
                        "x-placement": e.placement
                    };
                    return e.attributes = fe({}, E, e.attributes), e.styles = fe({}, m, e.styles), e.arrowStyles = fe({}, e.offsets.arrow, e.arrowStyles), e
                },
                gpuAcceleration: !0,
                x: 'bottom',
                y: 'right'
            },
            applyStyle: {
                order: 900,
                enabled: !0,
                fn: function(e) {
                    return j(e.instance.popper, e.styles), V(e.instance.popper, e.attributes), e.arrowElement && Object.keys(e.arrowStyles).length && j(e.arrowElement, e.arrowStyles), e
                },
                onLoad: function(e, t, o, n, i) {
                    var r = L(i, t, e, o.positionFixed),
                        p = O(o.placement, r, t, e, o.modifiers.flip.boundariesElement, o.modifiers.flip.padding);
                    return t.setAttribute('x-placement', p), j(t, {
                        position: o.positionFixed ? 'fixed' : 'absolute'
                    }), o
                },
                gpuAcceleration: void 0
            }
        }
    }, ue
});
//# sourceMappingURL=popper.min.js.map