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编辑当前文件:/home/freeclou/app.optimyar.com/backend/node_modules/dom-helpers/query/contains.js
"use strict"; var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault"); exports.__esModule = true; exports.default = void 0; var _inDOM = _interopRequireDefault(require("../util/inDOM")); var _default = function () { // HTML DOM and SVG DOM may have different support levels, // so we need to check on context instead of a document root element. return _inDOM.default ? function (context, node) { if (context.contains) { return context.contains(node); } else if (context.compareDocumentPosition) { return context === node || !!(context.compareDocumentPosition(node) & 16); } else { return fallback(context, node); } } : fallback; }(); exports.default = _default; function fallback(context, node) { if (node) do { if (node === context) return true; } while (node = node.parentNode); return false; } module.exports = exports["default"];