@nutui/nutui-react-taro
Version:
京东风格的轻量级移动端 React 组件库，支持一套代码生成 H5 和小程序
26 lines (25 loc) • 814 B
JavaScript
const canUseDom = !!(typeof window !== "undefined" && typeof document !== "undefined" && window.document && window.document.createElement);
const defaultRoot = canUseDom ? window : void 0;
const overflowStylePatterns = ["scroll", "auto", "overlay"];
function isElement(node) {
const ELEMENT_NODE_TYPE = 1;
return node.nodeType === ELEMENT_NODE_TYPE;
}
function getScrollParent(el, root = defaultRoot) {
let node = el;
while (node && node !== root && isElement(node)) {
if (node === document.body) {
return root;
}
const { overflowY } = window.getComputedStyle(node);
if (overflowStylePatterns.includes(overflowY) && node.scrollHeight > node.clientHeight) {
return node;
}
node = node.parentNode;
}
return root;
}
export {
canUseDom as c,
getScrollParent as g
};