24 lines
736 B
JavaScript
24 lines
736 B
JavaScript
|
import contains from './contains';
|
||
|
import ownerDocument from './ownerDocument';
|
||
|
import scrollLeft from './scrollLeft';
|
||
|
import scrollTop from './scrollTop';
|
||
|
export default function offset(node) {
|
||
|
var doc = ownerDocument(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 || !contains(docElem, node)) return box;
|
||
|
if (node.getBoundingClientRect !== undefined) box = node.getBoundingClientRect();
|
||
|
box = {
|
||
|
top: box.top + scrollTop(node) - (docElem.clientTop || 0),
|
||
|
left: box.left + scrollLeft(node) - (docElem.clientLeft || 0),
|
||
|
width: box.width,
|
||
|
height: box.height
|
||
|
};
|
||
|
return box;
|
||
|
}
|