@fluentui/react-northstar/dist/commonjs/utils/positioner/getBoundary.js

A themable React component library.

"use strict";

exports.__esModule = true;
exports.getBoundary = getBoundary;
var _getScrollParent = require("./getScrollParent");
/**
 * Allows to mimic a behavior from V1 of Popper and accept `window` and `scrollParent` as strings.
 */
function getBoundary(element, boundary) {
  if (boundary === 'window') {
    return element.ownerDocument.documentElement;
  }
  if (boundary === 'scrollParent') {
    var boundariesNode = (0, _getScrollParent.getScrollParent)(element);
    if (boundariesNode.nodeName === 'BODY') {
      boundariesNode = element.ownerDocument.documentElement;
    }
    return boundariesNode;
  }
  return boundary;
}
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