swc/packages/swc-helpers/src/_is_native_reflect_construct.mjs

export default function _isNativeReflectConstruct() {
    if (typeof Reflect === "undefined" || !Reflect.construct) return false;
    if (Reflect.construct.sham) return false;
    if (typeof Proxy === "function") return true;
    try {
        Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () { }));
        return true;
    } catch (e) {
        return false;
    }
}