var __rest = (this && this.__rest) || function (s, e) {
    var t = {};
    for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
        t[p] = s[p];
    if (s != null && typeof Object.getOwnPropertySymbols === "function")
        for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
            if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))
                t[p[i]] = s[p[i]];
        }
    return t;
};
import React from "react";
import { useMergeRefs } from "../../hooks/index.js";
import { mergeProps } from "./merge-props.js";
/**
 * Workaround for RSC related issue.
 * https://github.com/radix-ui/primitives/issues/3776#issuecomment-3649236326
 */
function unwrapLazy(element) {
    const arr = React.Children.toArray(element);
    return arr.length === 1 ? arr[0] : element;
}
function getChildRef(children) {
    if (!React.isValidElement(children)) {
        return null;
    }
    return Object.prototype.propertyIsEnumerable.call(children.props, "ref")
        ? children.props.ref // React 19 (children.ref still works, but gives a warning)
        : children.ref; // React <19
}
const Slot = React.forwardRef((props, forwardedRef) => {
    var _a;
    const { children } = props, slotProps = __rest(props, ["children"]);
    const resolvedChildren = unwrapLazy(children);
    const childRef = getChildRef(resolvedChildren);
    const mergedRef = useMergeRefs(forwardedRef, childRef);
    if (React.isValidElement(resolvedChildren)) {
        return React.cloneElement(resolvedChildren, Object.assign(Object.assign({}, mergeProps(slotProps, resolvedChildren.props)), { ref: mergedRef }));
    }
    if (React.Children.count(resolvedChildren) > 1) {
        const error = new Error("Aksel: Components using 'asChild' expects to recieve a single React element child.");
        error.name = "SlotError";
        (_a = Error.captureStackTrace) === null || _a === void 0 ? void 0 : _a.call(Error, error, Slot);
        throw error;
    }
    return null;
});
export { Slot };
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