How to use the send.mime function in send

next(err.status === 404 ? null : err)
    })

    // pipe
    stream.pipe(res)
  }
}

/**
 * Expose mime module.
 *
 * If you wish to extend the mime table use this
 * reference to the "mime" module in the npm registry.
 */

exports.mime = send.mime

var encodeUrl = require('encodeurl');
var escapeHtml = require('escape-html');
var http = require('http');
var isAbsolute = require('./utils').isAbsolute;
var onFinished = require('on-finished');
var path = require('path');
var statuses = require('statuses')
var merge = require('utils-merge');
var sign = require('cookie-signature').sign;
var normalizeType = require('./utils').normalizeType;
var normalizeTypes = require('./utils').normalizeTypes;
var setCharset = require('./utils').setCharset;
var cookie = require('cookie');
var send = require('send');
var extname = path.extname;
var mime = send.mime;
var resolve = path.resolve;
var vary = require('vary');

/**
 * Response prototype.
 * @public
 */

var res = Object.create(http.ServerResponse.prototype)

/**
 * Module exports.
 * @public
 */

module.exports = res

var escapeHtml = require('escape-html');
var http = require('http');
var isAbsolute = require('./utils').isAbsolute;
var onFinished = require('on-finished');
var path = require('path');
var mixin = require('utils-merge');
var sign = require('cookie-signature').sign;
var normalizeType = require('./utils').normalizeType;
var normalizeTypes = require('./utils').normalizeTypes;
var setCharset = require('./utils').setCharset;
var contentDisposition = require('./utils').contentDisposition;
var statusCodes = http.STATUS_CODES;
var cookie = require('cookie');
var send = require('send');
var extname = path.extname;
var mime = send.mime;
var resolve = path.resolve;
var vary = require('vary');

/**
 * Response prototype.
 */

var res = module.exports = {
  __proto__: http.ServerResponse.prototype
};

/**
 * Set status `code`.
 *
 * @param {Number} code
 * @return {ServerResponse}

.index(options.index || 'index.html')
      .hidden(options.hidden)
      .on('error', error)
      .on('directory', directory)
      .pipe(res);
  };
};

/**
 * Expose mime module.
 *
 * If you wish to extend the mime table use this
 * reference to the "mime" module in the npm registry.
 */

exports.mime = send.mime;

var deprecate = require('depd')('express');
var escapeHtml = require('escape-html');
var http = require('http');
var isAbsolute = require('./utils').isAbsolute;
var onFinished = require('on-finished');
var path = require('path');
var merge = require('utils-merge');
var sign = require('cookie-signature').sign;
var normalizeType = require('./utils').normalizeType;
var normalizeTypes = require('./utils').normalizeTypes;
var setCharset = require('./utils').setCharset;
var statusCodes = http.STATUS_CODES;
var cookie = require('cookie');
var send = require('send');
var extname = path.extname;
var mime = send.mime;
var resolve = path.resolve;
var vary = require('vary');

/**
 * Response prototype.
 */

var res = module.exports = {
  __proto__: http.ServerResponse.prototype
};

/**
 * Set status `code`.
 *
 * @param {Number} code
 * @return {ServerResponse}

* MIT Licensed
 */

'use strict';

/**
 * Module dependencies.
 * @api private
 */

var Buffer = require('safe-buffer').Buffer
var contentDisposition = require('content-disposition');
var contentType = require('content-type');
var deprecate = require('depd')('express');
var flatten = require('array-flatten');
var mime = require('send').mime;
var etag = require('etag');
var proxyaddr = require('proxy-addr');
var qs = require('qs');
var querystring = require('querystring');

/**
 * Return strong ETag for `body`.
 *
 * @param {String|Buffer} body
 * @param {String} [encoding]
 * @return {String}
 * @api private
 */

exports.etag = createETagGenerator({ weak: false })

.index(options.index || 'index.html')
      .hidden(options.hidden)
      .on('error', error)
      .on('directory', directory)
      .pipe(res);
  };
};

/**
 * Expose mime module.
 *
 * If you wish to extend the mime table use this
 * reference to the "mime" module in the npm registry.
 */

exports.mime = send.mime;

function error(err) {
      if (404 == err.status) return next()
      next(err)
    }

    var s = send(req, path, options)
      .on('error', error)
      .on('directory', directory)

    if (options.onfile) s.on('file', options.onfile)
    s.pipe(res)
  }
}

exports.mime = send.mime

var deprecate = require('depd')('express');
var escapeHtml = require('escape-html');
var http = require('http');
var isAbsolute = require('./utils').isAbsolute;
var onFinished = require('on-finished');
var path = require('path');
var merge = require('utils-merge');
var sign = require('cookie-signature').sign;
var normalizeType = require('./utils').normalizeType;
var normalizeTypes = require('./utils').normalizeTypes;
var setCharset = require('./utils').setCharset;
var statusCodes = http.STATUS_CODES;
var cookie = require('cookie');
var send = require('send');
var extname = path.extname;
var mime = send.mime;
var resolve = path.resolve;
var vary = require('vary');

/**
 * Response prototype.
 */

var res = module.exports = {
  __proto__: http.ServerResponse.prototype
};

/**
 * Module variables.
 * @private
 */

/*!
 * express
 * Copyright(c) 2009-2013 TJ Holowaychuk
 * Copyright(c) 2014-2015 Douglas Christopher Wilson
 * MIT Licensed
 */

/**
 * Module dependencies.
 * @api private
 */

var contentDisposition = require('content-disposition');
var contentType = require('content-type');
var deprecate = require('depd')('express');
var mime = require('send').mime;
var basename = require('path').basename;
var etag = require('etag');
var proxyaddr = require('proxy-addr');
var qs = require('qs');
var querystring = require('querystring');

/**
 * Return strong ETag for `body`.
 *
 * @param {String|Buffer} body
 * @param {String} [encoding]
 * @return {String}
 * @api private
 */

exports.etag = function (body, encoding) {