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node_modules/dom-helpers/esm/scrollTo.js

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+/* eslint-disable no-nested-ternary */
+import { cancel, request } from './animationFrame';
+import height from './height';
+import getWindow from './isWindow';
+import getOffset from './offset';
+import getScrollParent from './scrollParent';
+import scrollTop from './scrollTop';
+export default function scrollTo(selected, scrollParent) {
+  var offset = getOffset(selected);
+  var poff = {
+    top: 0,
+    left: 0
+  };
+  if (!selected) return undefined;
+  var list = scrollParent || getScrollParent(selected);
+  var isWin = getWindow(list);
+  var listScrollTop = scrollTop(list);
+  var listHeight = height(list, true);
+  if (!isWin) poff = getOffset(list);
+  offset = {
+    top: offset.top - poff.top,
+    left: offset.left - poff.left,
+    height: offset.height,
+    width: offset.width
+  };
+  var selectedHeight = offset.height;
+  var selectedTop = offset.top + (isWin ? 0 : listScrollTop);
+  var bottom = selectedTop + selectedHeight;
+  listScrollTop = listScrollTop > selectedTop ? selectedTop : bottom > listScrollTop + listHeight ? bottom - listHeight : listScrollTop;
+  var id = request(function () {
+    return scrollTop(list, listScrollTop);
+  });
+  return function () {
+    return cancel(id);
+  };
+}