tdesign-react/cjs/guide/utils/getScrollParent.js

TDesign Component for React

/**
 * tdesign v1.11.6
 * (c) 2025 tdesign
 * @license MIT
 */

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

var _util_dom = require('../../_util/dom.js');
require('raf');
require('../../_util/easing.js');
require('../../_chunks/dep-3c8023f1.js');
require('../../_chunks/dep-6e34d7d7.js');
require('../../_chunks/dep-5b35215f.js');
require('../../_chunks/dep-ec3beb8d.js');
require('../../_chunks/dep-d45b3350.js');

function getScrollParent(element) {
  var style = getComputedStyle(element);
  var excludeStaticParent = style.position === "absolute";
  var overflowRegex = /(auto|scroll)/;
  if (style.position === "fixed") return document.body;
  for (var parent = element; parent.parentElement;) {
    parent = parent.parentElement;
    style = getComputedStyle(parent);
    if (excludeStaticParent && style.position === "static") {
      continue;
    }
    if (overflowRegex.test(style.overflow + style.overflowY + style.overflowX)) return parent;
  }
  return document.body;
}
function scrollToParentVisibleArea(element) {
  var parent = getScrollParent(element);
  if (parent === document.body) return;
  if (_util_dom.elementInViewport(element, parent)) return;
  parent.scrollTop = element.offsetTop - parent.offsetTop;
}

exports.getScrollParent = getScrollParent;
exports.scrollToParentVisibleArea = scrollToParentVisibleArea;
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