code style

diff --git a/index.js b/index.js
index 2eafb8974c755a1eb5c2b560e2b020db95e05107..d7210dd2efbfc37009a509d299800715c09231c0 100644 (file)
--- a/index.js
+++ b/index.js
@@ -135,7 +135,7 @@ Buffer.isBuffer = function (b) {
 
 Buffer.byteLength = function (str, encoding) {
   var ret
-  str = str + ''
+  str = str.toString()
   switch (encoding || 'utf8') {
     case 'hex':
       ret = str.length / 2
@@ -165,8 +165,7 @@ Buffer.byteLength = function (str, encoding) {
 }
 
 Buffer.concat = function (list, totalLength) {
-  assert(isArray(list), 'Usage: Buffer.concat(list, [totalLength])\n' +
-      'list should be an Array.')
+  assert(isArray(list), 'Usage: Buffer.concat(list[, length])')
 
   if (list.length === 0) {
     return new Buffer(0)
@@ -175,7 +174,7 @@ Buffer.concat = function (list, totalLength) {
   }
 
   var i
-  if (typeof totalLength !== 'number') {
+  if (totalLength === undefined) {
     totalLength = 0
     for (i = 0; i < list.length; i++) {
       totalLength += list[i].length
@@ -331,9 +330,7 @@ Buffer.prototype.toString = function (encoding, start, end) {
 
   encoding = String(encoding || 'utf8').toLowerCase()
   start = Number(start) || 0
-  end = (end !== undefined)
-    ? Number(end)
-    : end = self.length
+  end = (end === undefined) ? self.length : Number(end)
 
   // Fastpath empty strings
   if (end === start)
@@ -415,8 +412,9 @@ Buffer.prototype.copy = function (target, target_start, start, end) {
   var len = end - start
 
   if (len < 100 || !Buffer._useTypedArrays) {
-    for (var i = 0; i < len; i++)
+    for (var i = 0; i < len; i++) {
       target[i + target_start] = this[i + start]
+    }
   } else {
     target._set(this.subarray(start, start + len), target_start)
   }
@@ -451,8 +449,9 @@ function _asciiSlice (buf, start, end) {
   var ret = ''
   end = Math.min(buf.length, end)
 
-  for (var i = start; i < end; i++)
+  for (var i = start; i < end; i++) {
     ret += String.fromCharCode(buf[i])
+  }
   return ret
 }
 
@@ -477,7 +476,7 @@ function _utf16leSlice (buf, start, end) {
   var bytes = buf.slice(start, end)
   var res = ''
   for (var i = 0; i < bytes.length; i += 2) {
-    res += String.fromCharCode(bytes[i] + bytes[i+1] * 256)
+    res += String.fromCharCode(bytes[i] + bytes[i + 1] * 256)
   }
   return res
 }
@@ -938,8 +937,9 @@ Buffer.prototype.toArrayBuffer = function () {
       return (new Buffer(this)).buffer
     } else {
       var buf = new Uint8Array(this.length)
-      for (var i = 0, len = buf.length; i < len; i += 1)
+      for (var i = 0, len = buf.length; i < len; i += 1) {
         buf[i] = this[i]
+      }
       return buf.buffer
     }
   } else {
@@ -1060,8 +1060,9 @@ function utf8ToBytes (str) {
       var start = i
       if (b >= 0xD800 && b <= 0xDFFF) i++
       var h = encodeURIComponent(str.slice(start, i+1)).substr(1).split('%')
-      for (var j = 0; j < h.length; j++)
+      for (var j = 0; j < h.length; j++) {
         byteArray.push(parseInt(h[j], 16))
+      }
     }
   }
   return byteArray