Cursor MCP Server

module.exports = isFunction var toString = Object.prototype.toString function isFunction (fn) { if (!fn) { return false } var string = toString.call(fn) return string === '[object Function]' || (typeof fn === 'function' && string !== '[object RegExp]') || (typeof window !== 'undefined' && // IE8 and below (fn === window.setTimeout || fn === window.alert || fn === window.confirm || fn === window.prompt)) };