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Filename : popper.min.js
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/*
 Copyright (C) Federico Zivolo 2017
 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 = window.getComputedStyle(e, null);
        return t ? o[t] : o
    }

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

    function n(e) {
        if (!e || -1 !== ['HTML', 'BODY', '#document'].indexOf(e.nodeName)) return window.document.body;
        var i = t(e),
            r = i.overflow,
            p = i.overflowX,
            s = i.overflowY;
        return /(auto|scroll)/.test(r + s + p) ? e : n(o(e))
    }

    function r(e) {
        var o = e && e.offsetParent,
            i = o && o.nodeName;
        return i && 'BODY' !== i && 'HTML' !== i ? -1 !== ['TD', 'TABLE'].indexOf(o.nodeName) && 'static' === t(o, 'position') ? r(o) : o : window.document.documentElement
    }

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

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

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

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

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

    function l(e, t) {
        var o = 'x' === t ? 'Left' : 'Top',
            i = 'Left' == o ? 'Right' : 'Bottom';
        return +e['border' + o + 'Width'].split('px')[0] + +e['border' + i + 'Width'].split('px')[0]
    }

    function m(e, t, o, i) {
        return _(t['offset' + e], o['client' + e], o['offset' + e], ie() ? o['offset' + e] + i['margin' + ('Height' === e ? 'Top' : 'Left')] + i['margin' + ('Height' === e ? 'Bottom' : 'Right')] : 0)
    }

    function h() {
        var e = window.document.body,
            t = window.document.documentElement,
            o = ie() && window.getComputedStyle(t);
        return {
            height: m('Height', e, t, o),
            width: m('Width', e, t, o)
        }
    }

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

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

    function u(e, o) {
        var i = ie(),
            r = 'HTML' === o.nodeName,
            p = g(e),
            s = g(o),
            d = n(e),
            a = t(o),
            l = +a.borderTopWidth.split('px')[0],
            m = +a.borderLeftWidth.split('px')[0],
            h = c({
                top: p.top - s.top - l,
                left: p.left - s.left - m,
                width: p.width,
                height: p.height
            });
        if (h.marginTop = 0, h.marginLeft = 0, !i && r) {
            var u = +a.marginTop.split('px')[0],
                b = +a.marginLeft.split('px')[0];
            h.top -= l - u, h.bottom -= l - u, h.left -= m - b, h.right -= m - b, h.marginTop = u, h.marginLeft = b
        }
        return (i ? o.contains(d) : o === d && 'BODY' !== d.nodeName) && (h = f(h, o)), h
    }

    function b(e) {
        var t = window.document.documentElement,
            o = u(e, t),
            i = _(t.clientWidth, window.innerWidth || 0),
            n = _(t.clientHeight, window.innerHeight || 0),
            r = a(t),
            p = a(t, 'left'),
            s = {
                top: r - o.top + o.marginTop,
                left: p - o.left + o.marginLeft,
                width: i,
                height: n
            };
        return c(s)
    }

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

    function w(e, t, i, r) {
        var p = {
                top: 0,
                left: 0
            },
            s = d(e, t);
        if ('viewport' === r) p = b(s);
        else {
            var a;
            'scrollParent' === r ? (a = n(o(e)), 'BODY' === a.nodeName && (a = window.document.documentElement)) : 'window' === r ? a = window.document.documentElement : a = r;
            var f = u(a, s);
            if ('HTML' === a.nodeName && !y(s)) {
                var l = h(),
                    m = l.height,
                    c = l.width;
                p.top += f.top - f.marginTop, p.bottom = m + f.top, p.left += f.left - f.marginLeft, p.right = c + f.left
            } else p = f
        }
        return p.left += i, p.top += i, p.right -= i, p.bottom -= i, p
    }

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

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

    function x(e, t, o) {
        var i = d(t, o);
        return u(o, i)
    }

    function O(e) {
        var t = window.getComputedStyle(e),
            o = parseFloat(t.marginTop) + parseFloat(t.marginBottom),
            i = parseFloat(t.marginLeft) + parseFloat(t.marginRight),
            n = {
                width: e.offsetWidth + i,
                height: e.offsetHeight + o
            };
        return n
    }

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

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

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

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

    function k() {
        if (!this.state.isDestroyed) {
            var e = {
                instance: this,
                styles: {},
                attributes: {},
                flipped: !1,
                offsets: {}
            };
            e.offsets.reference = x(this.state, this.popper, this.reference), e.placement = E(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.offsets.popper = S(this.popper, e.offsets.reference, e.placement), e.offsets.popper.position = 'absolute', e = N(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,
                i = e.enabled;
            return i && o === t
        })
    }

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

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

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

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

    function A() {
        this.state.eventsEnabled || (this.state = P(this.reference, this.options, this.state, this.scheduleUpdate))
    }

    function M(e, t) {
        return window.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 I() {
        this.state.eventsEnabled && (window.cancelAnimationFrame(this.scheduleUpdate), this.state = M(this.reference, this.state))
    }

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

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

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

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

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

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

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

    function G(e, t, o, i) {
        var n = [0, 0],
            r = -1 !== ['right', 'left'].indexOf(i),
            p = e.split(/(\+|\-)/).map(function(e) {
                return e.trim()
            }),
            s = p.indexOf(T(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, i) {
            var n = (1 === i ? !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 q(e, n, t, o)
            })
        }), a.forEach(function(e, t) {
            e.forEach(function(o, i) {
                R(o) && (n[t] += o * ('-' === e[i - 1] ? -1 : 1))
            })
        }), n
    }
    for (var z = Math.min, V = Math.floor, _ = Math.max, X = ['native code', '[object MutationObserverConstructor]'], Q = function(e) {
            return X.some(function(t) {
                return -1 < (e || '').toString().indexOf(t)
            })
        }, J = 'undefined' != typeof window, Z = ['Edge', 'Trident', 'Firefox'], $ = 0, ee = 0; ee < Z.length; ee += 1)
        if (J && 0 <= navigator.userAgent.indexOf(Z[ee])) {
            $ = 1;
            break
        }
    var i, te = J && Q(window.MutationObserver),
        oe = te ? function(e) {
            var t = !1,
                o = 0,
                i = document.createElement('span'),
                n = new MutationObserver(function() {
                    e(), t = !1
                });
            return n.observe(i, {
                    attributes: !0
                }),
                function() {
                    t || (t = !0, i.setAttribute('x-index', o), ++o)
                }
        } : function(e) {
            var t = !1;
            return function() {
                t || (t = !0, setTimeout(function() {
                    t = !1, e()
                }, $))
            }
        },
        ie = function() {
            return void 0 == i && (i = -1 !== navigator.appVersion.indexOf('MSIE 10')), i
        },
        ne = function(e, t) {
            if (!(e instanceof t)) throw new TypeError('Cannot call a class as a function')
        },
        re = 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, i) {
                return o && e(t.prototype, o), i && e(t, i), t
            }
        }(),
        pe = function(e, t, o) {
            return t in e ? Object.defineProperty(e, t, {
                value: o,
                enumerable: !0,
                configurable: !0,
                writable: !0
            }) : e[t] = o, e
        },
        se = Object.assign || function(e) {
            for (var t, o = 1; o < arguments.length; o++)
                for (var i in t = arguments[o], t) Object.prototype.hasOwnProperty.call(t, i) && (e[i] = t[i]);
            return e
        },
        de = ['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'],
        ae = de.slice(3),
        fe = {
            FLIP: 'flip',
            CLOCKWISE: 'clockwise',
            COUNTERCLOCKWISE: 'counterclockwise'
        },
        le = function() {
            function t(o, i) {
                var n = this,
                    r = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : {};
                ne(this, t), this.scheduleUpdate = function() {
                    return requestAnimationFrame(n.update)
                }, this.update = oe(this.update.bind(this)), this.options = se({}, t.Defaults, r), this.state = {
                    isDestroyed: !1,
                    isCreated: !1,
                    scrollParents: []
                }, this.reference = o.jquery ? o[0] : o, this.popper = i.jquery ? i[0] : i, this.options.modifiers = {}, Object.keys(se({}, t.Defaults.modifiers, r.modifiers)).forEach(function(e) {
                    n.options.modifiers[e] = se({}, t.Defaults.modifiers[e] || {}, r.modifiers ? r.modifiers[e] : {})
                }), this.modifiers = Object.keys(this.options.modifiers).map(function(e) {
                    return se({
                        name: e
                    }, n.options.modifiers[e])
                }).sort(function(e, t) {
                    return e.order - t.order
                }), this.modifiers.forEach(function(t) {
                    t.enabled && e(t.onLoad) && t.onLoad(n.reference, n.popper, n.options, t, n.state)
                }), this.update();
                var p = this.options.eventsEnabled;
                p && this.enableEventListeners(), this.state.eventsEnabled = p
            }
            return re(t, [{
                key: 'update',
                value: function() {
                    return k.call(this)
                }
            }, {
                key: 'destroy',
                value: function() {
                    return D.call(this)
                }
            }, {
                key: 'enableEventListeners',
                value: function() {
                    return A.call(this)
                }
            }, {
                key: 'disableEventListeners',
                value: function() {
                    return I.call(this)
                }
            }]), t
        }();
    return le.Utils = ('undefined' == typeof window ? global : window).PopperUtils, le.placements = de, le.Defaults = {
        placement: 'bottom',
        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],
                        i = t.split('-')[1];
                    if (i) {
                        var n = e.offsets,
                            r = n.reference,
                            p = n.popper,
                            s = -1 !== ['bottom', 'top'].indexOf(o),
                            d = s ? 'left' : 'top',
                            a = s ? 'width' : 'height',
                            f = {
                                start: pe({}, d, r[d]),
                                end: pe({}, d, r[d] + r[a] - p[a])
                            };
                        e.offsets.popper = se({}, p, f[i])
                    }
                    return e
                }
            },
            offset: {
                order: 200,
                enabled: !0,
                fn: function(e, t) {
                    var o, i = t.offset,
                        n = e.placement,
                        r = e.offsets,
                        p = r.popper,
                        s = r.reference,
                        d = n.split('-')[0];
                    return o = R(+i) ? [+i, 0] : G(i, 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
                },
                offset: 0
            },
            preventOverflow: {
                order: 300,
                enabled: !0,
                fn: function(e, t) {
                    var o = t.boundariesElement || r(e.instance.popper);
                    e.instance.reference === o && (o = r(o));
                    var i = w(e.instance.popper, e.instance.reference, t.padding, o);
                    t.boundaries = i;
                    var n = t.priority,
                        p = e.offsets.popper,
                        s = {
                            primary: function(e) {
                                var o = p[e];
                                return p[e] < i[e] && !t.escapeWithReference && (o = _(p[e], i[e])), pe({}, e, o)
                            },
                            secondary: function(e) {
                                var o = 'right' === e ? 'left' : 'top',
                                    n = p[o];
                                return p[e] > i[e] && !t.escapeWithReference && (n = z(p[o], i[e] - ('right' === e ? p.width : p.height))), pe({}, o, n)
                            }
                        };
                    return n.forEach(function(e) {
                        var t = -1 === ['left', 'top'].indexOf(e) ? 'secondary' : 'primary';
                        p = se({}, p, s[t](e))
                    }), e.offsets.popper = p, 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,
                        i = t.reference,
                        n = e.placement.split('-')[0],
                        r = V,
                        p = -1 !== ['top', 'bottom'].indexOf(n),
                        s = p ? 'right' : 'bottom',
                        d = p ? 'left' : 'top',
                        a = p ? 'width' : 'height';
                    return o[s] < r(i[d]) && (e.offsets.popper[d] = r(i[d]) - o[a]), o[d] > r(i[s]) && (e.offsets.popper[d] = r(i[s])), e
                }
            },
            arrow: {
                order: 500,
                enabled: !0,
                fn: function(e, t) {
                    if (!F(e.instance.modifiers, 'arrow', 'keepTogether')) return e;
                    var o = t.element;
                    if ('string' == typeof o) {
                        if (o = e.instance.popper.querySelector(o), !o) return e;
                    } else if (!e.instance.popper.contains(o)) return console.warn('WARNING: `arrow.element` must be child of its popper element!'), e;
                    var i = e.placement.split('-')[0],
                        n = e.offsets,
                        r = n.popper,
                        p = n.reference,
                        s = -1 !== ['left', 'right'].indexOf(i),
                        d = s ? 'height' : 'width',
                        a = s ? 'top' : 'left',
                        f = s ? 'left' : 'top',
                        l = s ? 'bottom' : 'right',
                        m = O(o)[d];
                    p[l] - m < r[a] && (e.offsets.popper[a] -= r[a] - (p[l] - m)), p[a] + m > r[l] && (e.offsets.popper[a] += p[a] + m - r[l]);
                    var h = p[a] + p[d] / 2 - m / 2,
                        g = h - c(e.offsets.popper)[a];
                    return g = _(z(r[d] - m, g), 0), e.arrowElement = o, e.offsets.arrow = {}, e.offsets.arrow[a] = Math.round(g), e.offsets.arrow[f] = '', 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 = w(e.instance.popper, e.instance.reference, t.padding, t.boundariesElement),
                        i = e.placement.split('-')[0],
                        n = L(i),
                        r = e.placement.split('-')[1] || '',
                        p = [];
                    switch (t.behavior) {
                        case fe.FLIP:
                            p = [i, n];
                            break;
                        case fe.CLOCKWISE:
                            p = K(i);
                            break;
                        case fe.COUNTERCLOCKWISE:
                            p = K(i, !0);
                            break;
                        default:
                            p = t.behavior;
                    }
                    return p.forEach(function(s, d) {
                        if (i !== s || p.length === d + 1) return e;
                        i = e.placement.split('-')[0], n = L(i);
                        var a = e.offsets.popper,
                            f = e.offsets.reference,
                            l = V,
                            m = 'left' === i && l(a.right) > l(f.left) || 'right' === i && l(a.left) < l(f.right) || 'top' === i && l(a.bottom) > l(f.top) || 'bottom' === i && l(a.top) < l(f.bottom),
                            h = l(a.left) < l(o.left),
                            c = l(a.right) > l(o.right),
                            g = l(a.top) < l(o.top),
                            u = l(a.bottom) > l(o.bottom),
                            b = 'left' === i && h || 'right' === i && c || 'top' === i && g || 'bottom' === i && u,
                            y = -1 !== ['top', 'bottom'].indexOf(i),
                            w = !!t.flipVariations && (y && 'start' === r && h || y && 'end' === r && c || !y && 'start' === r && g || !y && 'end' === r && u);
                        (m || b || w) && (e.flipped = !0, (m || b) && (i = p[d + 1]), w && (r = j(r)), e.placement = i + (r ? '-' + r : ''), e.offsets.popper = se({}, e.offsets.popper, S(e.instance.popper, e.offsets.reference, e.placement)), e = N(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],
                        i = e.offsets,
                        n = i.popper,
                        r = i.reference,
                        p = -1 !== ['left', 'right'].indexOf(o),
                        s = -1 === ['top', 'left'].indexOf(o);
                    return n[p ? 'left' : 'top'] = r[t] - (s ? n[p ? 'width' : 'height'] : 0), e.placement = L(t), e.offsets.popper = c(n), e
                }
            },
            hide: {
                order: 800,
                enabled: !0,
                fn: function(e) {
                    if (!F(e.instance.modifiers, 'hide', 'preventOverflow')) return e;
                    var t = e.offsets.reference,
                        o = T(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,
                        i = t.y,
                        n = e.offsets.popper,
                        p = T(e.instance.modifiers, function(e) {
                            return 'applyStyle' === e.name
                        }).gpuAcceleration;
                    void 0 !== p && 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 === p ? t.gpuAcceleration : p,
                        f = r(e.instance.popper),
                        l = g(f),
                        m = {
                            position: n.position
                        },
                        h = {
                            left: V(n.left),
                            top: V(n.top),
                            bottom: V(n.bottom),
                            right: V(n.right)
                        },
                        c = 'bottom' === o ? 'top' : 'bottom',
                        u = 'right' === i ? 'left' : 'right',
                        b = B('transform');
                    if (d = 'bottom' == c ? -l.height + h.bottom : h.top, s = 'right' == u ? -l.width + h.right : h.left, a && b) m[b] = 'translate3d(' + s + 'px, ' + d + 'px, 0)', m[c] = 0, m[u] = 0, m.willChange = 'transform';
                    else {
                        var y = 'bottom' == c ? -1 : 1,
                            w = 'right' == u ? -1 : 1;
                        m[c] = d * y, m[u] = s * w, m.willChange = c + ', ' + u
                    }
                    var v = {
                        "x-placement": e.placement
                    };
                    return e.attributes = se({}, v, e.attributes), e.styles = se({}, m, e.styles), e
                },
                gpuAcceleration: !0,
                x: 'bottom',
                y: 'right'
            },
            applyStyle: {
                order: 900,
                enabled: !0,
                fn: function(e) {
                    return U(e.instance.popper, e.styles), Y(e.instance.popper, e.attributes), e.offsets.arrow && U(e.arrowElement, e.offsets.arrow), e
                },
                onLoad: function(e, t, o, i, n) {
                    var r = x(n, t, e),
                        p = E(o.placement, r, t, e, o.modifiers.flip.boundariesElement, o.modifiers.flip.padding);
                    return t.setAttribute('x-placement', p), U(t, {
                        position: 'absolute'
                    }), o
                },
                gpuAcceleration: void 0
            }
        }
    }, le
});
//# sourceMappingURL=popper.min.js.map