mirror of
https://github.com/ant-design/ant-design.git
synced 2024-12-11 23:00:20 +08:00
290aa1adf3
fix error when target is object but not an html element
28 lines
808 B
TypeScript
28 lines
808 B
TypeScript
export function isWindow(obj: any) {
|
|
return obj !== null && obj !== undefined && obj === obj.window;
|
|
}
|
|
|
|
export default function getScroll(
|
|
target: HTMLElement | Window | Document | null,
|
|
top: boolean,
|
|
): number {
|
|
if (typeof window === 'undefined') {
|
|
return 0;
|
|
}
|
|
const method = top ? 'scrollTop' : 'scrollLeft';
|
|
let result = 0;
|
|
if (isWindow(target)) {
|
|
result = (target as Window)[top ? 'pageYOffset' : 'pageXOffset'];
|
|
} else if (target instanceof Document) {
|
|
result = target.documentElement[method];
|
|
} else if (target) {
|
|
result = (target as HTMLElement)[method];
|
|
}
|
|
if (target && !isWindow(target) && typeof result !== 'number') {
|
|
result = ((target as HTMLElement).ownerDocument || (target as Document)).documentElement?.[
|
|
method
|
|
];
|
|
}
|
|
return result;
|
|
}
|