@shopify/draggable
Version:
The JavaScript Drag & Drop library your grandparents warned you about.
44 lines (42 loc) • 1.23 kB
JavaScript
function closest(node, value) {
if (node == null) {
return null;
}
function conditionFn(currentNode) {
if (currentNode == null || value == null) {
return false;
} else if (isSelector(value)) {
return Element.prototype.matches.call(currentNode, value);
} else if (isNodeList(value)) {
return [...value].includes(currentNode);
} else if (isElement(value)) {
return value === currentNode;
} else if (isFunction(value)) {
return value(currentNode);
} else {
return false;
}
}
let current = node;
do {
current = current.correspondingUseElement || current.correspondingElement || current;
if (conditionFn(current)) {
return current;
}
current = current?.parentNode || null;
} while (current != null && current !== document.body && current !== document);
return null;
}
function isSelector(value) {
return Boolean(typeof value === 'string');
}
function isNodeList(value) {
return Boolean(value instanceof NodeList || value instanceof Array);
}
function isElement(value) {
return Boolean(value instanceof Node);
}
function isFunction(value) {
return Boolean(typeof value === 'function');
}
export { closest as default };