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Website : rimsha.abasa.com
: / var / canvas / node_modules / scrollparent /
Filename : scrollparent.js
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(function (root, factory) {
  if (typeof define === "function" && define.amd) {
    define([], factory);
  } else if (typeof module === "object" && module.exports) {
    module.exports = factory();
  } else {
    root.Scrollparent = factory();
  }
}(this, function () {
  var regex = /(auto|scroll)/;

  var parents = function (node, ps) {
    if (node.parentNode === null) { return ps; }

    return parents(node.parentNode, ps.concat([node]));
  };

  var style = function (node, prop) {
    return getComputedStyle(node, null).getPropertyValue(prop);
  };

  var overflow = function (node) {
    return style(node, "overflow") + style(node, "overflow-y") + style(node, "overflow-x");
  };

  var scroll = function (node) {
   return regex.test(overflow(node));
  };

  var scrollParent = function (node) {
    if (!(node instanceof HTMLElement || node instanceof SVGElement)) {
      return ;
    }

    var ps = parents(node.parentNode, []);

    for (var i = 0; i < ps.length; i += 1) {
      if (scroll(ps[i])) {
        return ps[i];
      }
    }

    return document.scrollingElement || document.documentElement;
  };

  return scrollParent;
}));