bc518174
 王天杨
提交两个项目文件
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"use strict";
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
exports.__esModule = true;
exports.default = offset;
var _contains = _interopRequireDefault(require("./contains"));
var _ownerDocument = _interopRequireDefault(require("./ownerDocument"));
var _scrollLeft = _interopRequireDefault(require("./scrollLeft"));
var _scrollTop = _interopRequireDefault(require("./scrollTop"));
/**
* Returns the offset of a given element, including top and left positions, width and height.
*
* @param node the element
*/
function offset(node) {
var doc = (0, _ownerDocument.default)(node);
var box = {
top: 0,
left: 0,
height: 0,
width: 0
};
var docElem = doc && doc.documentElement; // Make sure it's not a disconnected DOM node
if (!docElem || !(0, _contains.default)(docElem, node)) return box;
if (node.getBoundingClientRect !== undefined) box = node.getBoundingClientRect();
box = {
top: box.top + (0, _scrollTop.default)(docElem) - (docElem.clientTop || 0),
left: box.left + (0, _scrollLeft.default)(docElem) - (docElem.clientLeft || 0),
width: box.width,
height: box.height
};
return box;
}
module.exports = exports["default"];
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