Does not appear to support ie about smoothscroll-anchor-polyfill HOT 13 CLOSED

import smoothscrollPolyfill from 'smoothscroll-polyfill';
import 'smoothscroll-anchor-polyfill';
import { SmoothScroll, Sidenav } from './StickySideNav.styles';

class StickySideNav extends PureComponent {
  componentDidMount() {
    window.addEventListener('scroll', throttle(this.stickySidebar, 100));
    smoothscrollPolyfill.polyfill();
    // when we can code split use the below to import this poly
    // if (!('scrollBehavior' in document.documentElement.style)) {
    //   Promise.all([import('smoothscroll-polyfill'), import('smoothscroll-anchor-polyfill')]).then(([smoothscrollAnchorPolyfill]) => {
    //     smoothscrollAnchorPolyfill.polyfill();
    //   });
    // }
  }

  componentWillUnmount() {
    window.removeEventListener('scroll', this.stickySidebar);
  }

let e, t;
(e = function() {
  return new function() {
    let e = this,
      t = 'undefined' != typeof window;
    if (t)
      var n = window,
        o = document,
        r = o.documentElement,
        i = o.createElement('a');
    if (
      ((this.polyfill = function(r) {
        if (((r = r || {}), t)) {
          let l = n.__forceSmoothscrollAnchorPolyfill__,
            a = 'boolean' == typeof r.force ? r.force : l;
          if ('scrollBehavior' in i.style && !a) return e;
          e.destroy(),
          o.addEventListener(
            'click', p, !1
          ),
          o.addEventListener('scroll', S),
          n.addEventListener('hashchange', b);
        }
        return e;
      }),
      (this.destroy = function(r) {
        return (
          (r = r || {}),
          t &&
            (o.removeEventListener(
              'click', p, !1
            ),
            o.removeEventListener('scroll', S),
            n.removeEventListener('hashchange', b)),
          e
        );
      }),
      t)
    ) {
      var l = !1;
      try {
        let a = Object.defineProperty(
          {}, 'preventScroll', {
            get: function() {
              l = !0;
            },
          }
        );
        i.focus(a);
      } catch (e) {}
      var c,
        s = /scroll-behavior:[\s]*([^;"`'\s]+)/,
        u = getComputedStyle(r),
        f = [];
    }
    function h() {
      for (
        let e = [
            r.style.scrollBehavior,
            (s.exec(r.getAttribute('style')) || [])[1],
            u.getPropertyValue('--scroll-behavior'),
            (s.exec(u.fontFamily) || [])[1],
          ],
          t = 0;
        t < e.length;
        t++
      ) {
        let n = ((i = void 0),
        (i = null),
        (o = (o = e[t]) && o.trim()),
        /^smooth$/.test(o) && (i = !0),
        /^(initial|inherit|auto|unset)$/.test(o) && (i = !1),
        i);
        if (null !== n) return n;
      }
      let o, i;
      return !1;
    }
    function v(e) {
      if (!/^a$/i.test(e.tagName) || !/#/.test(e.href)) return !1;
      let t = e.pathname;
      return '/' !== t[0] && (t = '/' + t), e.hostname === location.hostname && t === location.pathname;
    }
    function d(e) {
      if ((e.focus({ preventScroll: !0 }), o.activeElement !== e)) {
        let t = e.getAttribute('tabindex');
        if ((e.setAttribute('tabindex', '-1'), 'none' === getComputedStyle(e).outlineStyle)) {
          let n = e.style.outlineStyle;
          (e.style.outlineStyle = 'none'),
          e.addEventListener('blur', function o() {
            (e.style.outlineStyle = n), e.setAttribute('tabindex', t), e.removeEventListener('blur', o);
          });
        }
        e.focus({ preventScroll: !0 });
      }
    }
    function y(e) {
      if ('string' != typeof e) return null;
      let t = (e = (function(e) {
        try {
          e = decodeURIComponent(e);
        } catch (e) {}
        return e;
      })(e))
        ? o.getElementById(e.slice(1))
        : o.body;
      return '#top' !== e || t || (t = o.body), t;
    }
    function m(e) {
      l || clearTimeout(c),
      e === o.body
        ? n.scroll({ top: 0, left: 0, behavior: 'smooth' })
        : e.scrollIntoView({ behavior: 'smooth', block: 'start' }),
      l ? d(e) : (c = setTimeout(d.bind(null, e), 450));
    }
    function p(e) {
      if (!(e.metaKey || e.ctrlKey || e.shiftKey || 0 !== e.button) && h()) {
        let t = (function e(t, n) {
          return n(t) ? t : t.parentElement ? e(t.parentElement, n) : null;
        })((function(e) {
          return (e = e || n.event).target || e.srcElement;
        })(e),
        v);
        if (t) {
          let r = t.hash,
            i = y(r);
          i && (e.preventDefault(), m(i), history.pushState && history.pushState(
            null, o.title, r || '#'
          ));
        }
      }
    }
    function b() {
      if (o.body && h()) {
        let e = y(location.hash);
        if (e) {
          let t = E(),
            r = f[f[1] === t ? 0 : 1];
          n.scroll({ top: r, behavior: 'instant' }), m(e);
        }
      }
    }
    function E() {
      return r.scrollTop || o.body.scrollTop;
    }
    function S() {
      o.body && ((f[0] = f[1]), (f[1] = E()));
    }
  }().polyfill();
}),
!(t = this && this.__sap_ES_MODULE__) && 'function' == typeof define && define.amd
  ? define([], e)
  : !t && 'object' == typeof module && module.exports
    ? (module.exports = e())
    : (this.SmoothscrollAnchorPolyfill = e());