| 12345678910111213141516171819 | 'use strict';const format = require('./format');/* * function label (info) * Returns a new instance of the label Format which adds the specified * `opts.label` before the message. This was previously exposed as * { label: 'my label' } to transports in `winston < 3.0.0`. */module.exports = format((info, opts) => {  if (opts.message) {    info.message = `[${opts.label}] ${info.message}`;    return info;  }  info.label = opts.label;  return info;});
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