re kawanet#98: Buffer.from() and Buffer.alloc()

node v4.5+ required

lib/bufferish-buffer.js

@@ -3,21 +3,12 @@
 var Bufferish = require("./bufferish");
 var Buffer = Bufferish.global;
 
-var exports = module.exports = Bufferish.hasBuffer ? alloc(0) : [];
+var exports = module.exports = Buffer ? Buffer.alloc(0) : [];
 
-exports.alloc = Bufferish.hasBuffer && Buffer.alloc || alloc;
+exports.alloc = Buffer && Buffer.alloc;
 exports.concat = Bufferish.concat;
 exports.from = from;
 
-/**
- * @param size {Number}
- * @returns {Buffer|Uint8Array|Array}
- */
-
-function alloc(size) {
-  return new Buffer(size);
-}
-
 /**
  * @param value {Array|ArrayBuffer|Buffer|String}
  * @returns {Buffer}
@@ -38,9 +29,5 @@ function from(value) {
   }
 
   // Array-like to Buffer
-  if (Buffer.from && Buffer.from.length !== 1) {
-    return Buffer.from(value); // node v6+
-  } else {
-    return new Buffer(value); // node v4
-  }
+  return Buffer.from(value); // node v4.5+
 }

lib/ext-unpacker.js

@@ -47,7 +47,7 @@ function setExtUnpackers(codec) {
   }
 
   if (Bufferish.hasBuffer) {
-    codec.addExtUnpacker(0x1B, unpackClass(Buffer));
+    codec.addExtUnpacker(0x1B, Buffer.from);
   }
 }