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我正在使用 winston 根据其他地方的各种评论从 Express 流式传输日志消息，我的设置本质上是：

var express = require("express"),
    winston = require("winston");

// enable web server logging; pipe those log messages through winston
var requestLogger = new (winston.Logger)(
        {
            transports: [
                new (winston.transports.File)(
                    {
                        filename: "logs/request.log",
                        json: false,
                        timestamp: false
                    }
                )
            ]
        }
    ),
    winstonStream = {
        write: function(message, encoding) {
            requestLogger.info(message.replace(/(\r?\n)$/, ''));
        }
    };

this.use(express.logger({stream: winstonStream}));

但我想要一种抑制日志级别输出的方法，因为我知道对于这个特定的记录器，它总是“信息”。所以而不是：

info: 127.0.0.1 - - [Fri, 20 Sep 2013 13:48:02 GMT] "POST /v1/submission HTTP/1.1" 200 261 "http://localhost:8887/" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/29.0.1547.65 Safari/537.36"

我会得到：

127.0.0.1 - - [Fri, 20 Sep 2013 13:48:02 GMT] "POST /v1/submission HTTP/1.1" 200 261 "http://localhost:8887/" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/29.0.1547.65 Safari/537.36"
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