ant-design-vue
Version:
An enterprise-class UI design language and Vue-based implementation
40 lines • 927 B
JavaScript
function getScroll(w) {
let ret = w.scrollX;
const method = 'scrollLeft';
if (typeof ret !== 'number') {
const d = w.document;
// ie6,7,8 standard mode
ret = d.documentElement[method];
if (typeof ret !== 'number') {
// quirks mode
ret = d.body[method];
}
}
return ret;
}
function getClientPosition(elem) {
let x;
let y;
const doc = elem.ownerDocument;
const {
body
} = doc;
const docElem = doc && doc.documentElement;
const box = elem.getBoundingClientRect();
x = box.left;
y = box.top;
x -= docElem.clientLeft || body.clientLeft || 0;
y -= docElem.clientTop || body.clientTop || 0;
return {
left: x,
top: y
};
}
export function getOffsetLeft(el) {
const pos = getClientPosition(el);
const doc = el.ownerDocument;
// Only IE use `parentWindow`
const w = doc.defaultView || doc.parentWindow;
pos.left += getScroll(w);
return pos.left;
}