remove depricated use of Buffer

Author: callum-oakley

lib/auth.js

@@ -18,9 +18,9 @@ function getSocketSignature(pusher, token, channel, socketID, data) {
         "Cannot generate shared_secret because encryptionMasterKey is not set"
       )
     }
-    result.shared_secret = Buffer(pusher.channelSharedSecret(channel)).toString(
-      "base64"
-    )
+    result.shared_secret = Buffer.from(
+      pusher.channelSharedSecret(channel)
+    ).toString("base64")
   }
 
   return result

lib/token.js

@@ -21,7 +21,7 @@ function Token(key, secret) {
 Token.prototype.sign = function (string) {
   return crypto
     .createHmac("sha256", this.secret)
-    .update(new Buffer(string, "utf-8"))
+    .update(Buffer.from(string))
     .digest("hex")
 }
 

tests/helpers/http_proxy.js

@@ -3,12 +3,12 @@ var net = require("net")
 var url = require("url")
 
 function handleInit(client) {
-  inBuffer = new Buffer("")
+  inBuffer = Buffer.from("")
 
   function onData(chunk) {
     inBuffer = Buffer.concat([inBuffer, chunk])
 
-    var lines = splitBufferOnce(inBuffer, new Buffer("\r\n"))
+    var lines = splitBufferOnce(inBuffer, Buffer.from("\r\n"))
     if (lines[1] === null) {
       // still reading the first line
       return
@@ -50,12 +50,12 @@ function handleInit(client) {
 
 function handleConnectInit(client, hostname, port, inBuffer) {
   function advanceIfHeadersWereSent() {
-    var blocks = splitBufferOnce(inBuffer, new Buffer("\r\n\r\n"))
+    var blocks = splitBufferOnce(inBuffer, Buffer.from("\r\n\r\n"))
     if (blocks[1] !== null) {
       // discard the headers
       unbind()
       handleConnecting(client, hostname, port, blocks[1], function () {
-        client.write(new Buffer("HTTP/1.0 200 Connection established\r\n\r\n"))
+        client.write(Buffer.from("HTTP/1.0 200 Connection established\r\n\r\n"))
       })
     }
   }