setTimeout debug

setTimeout.js

((global, _log = console.log.bind(console)) => {
    function log(id, methodName, desc) {
        _log(`TIMER #${id}: ${methodName} - ${desc}`);
    }

    global.setTimeout = (setTimeout => (callback, timeout, ...params) => {
        const id = setTimeout((...params) => {
            log(id, 'setTimeout', 'create call stack');
            callback(...params);
            log(id, 'setTimeout', 'end of call stack');
        }, timeout, ...params);

        log(id, 'setTimeout', `schedule call of ${callback.name || '<anonymous>'}`);

        return id;
    })(global.setTimeout);

    global.clearTimeout = (clearTimeout => (id) => {
        log(id, 'clearTimeout', 'remove call from queue');
        return clearTimeout(id);
    })(global.clearTimeout);
})(window);