@dnb/eufemia/shared/helpers/getPreviousSibling.js

DNB Eufemia Design System UI Library

import "core-js/modules/es.string.replace.js";
import { warn } from '../helpers';
export const getPreviousSibling = (selector, element) => {
  try {
    const tagName = /[A-Z]/.test(selector) ? selector : null;
    const className = tagName ? null : selector.replace(/^\./, '');
    const contains = element => {
      if (!element) {
        return null;
      }
      if (tagName) {
        return (element === null || element === void 0 ? void 0 : element.tagName) === tagName;
      }
      return element === null || element === void 0 ? void 0 : element.classList.contains(className);
    };
    if (contains(element)) {
      return element;
    }
    while ((element = (_element = element) === null || _element === void 0 ? void 0 : _element.parentElement) && !contains(element)) {
      var _element;
      ;
    }
  } catch (e) {
    warn(e);
  }
  return element;
};
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