Method withGroup

docs/app/js/sanddance-app.js:58260–58267

(logLevel, message, func)

        return this._getLogFunction(logLevel, "", console.groupEnd || noop);
    }
    withGroup(logLevel, message, func) {
        this.group(logLevel, message)();
        try {
            func();
        } finally{
            this.groupEnd(logLevel)();
        }
    }
    trace() {
        if (console.trace) console.trace();
    }