Use crc instead of buffer-crc32 for speed

History.md

@@ -1,6 +1,7 @@
 3.x
 ===
 
+  * Use `crc` instead of `buffer-crc32` for speed
   * deps: connect@2.26.1
     - deps: body-parser@~1.8.2
     - deps: depd@0.4.5

lib/utils.js

@@ -3,9 +3,9 @@
  * Module dependencies.
  */
 
+var crc = require('crc').crc32;
 var mime = require('connect').mime
   , proxyaddr = require('proxy-addr')
-  , crc32 = require('buffer-crc32')
   , crypto = require('crypto');
 var typer = require('media-typer');
 
@@ -56,7 +56,7 @@ exports.wetag = function wetag(body, encoding){
     ? body
     : new Buffer(body, encoding)
   var len = buf.length
-  return 'W/"' + len.toString(16) + '-' + crc32.unsigned(buf) + '"'
+  return 'W/"' + len.toString(16) + '-' + crc(buf) + '"'
 };
 
 /**

package.json

@@ -27,10 +27,10 @@
   "homepage": "http://expressjs.com/",
   "dependencies": {
     "basic-auth": "1.0.0",
-    "buffer-crc32": "0.2.3",
     "connect": "2.26.1",
     "commander": "1.3.2",
     "cookie-signature": "1.0.5",
+    "crc": "3.0.0",
     "debug": "~2.0.0",
     "depd": "0.4.5",
     "escape-html": "1.0.1",