feat: error.status (deprecate error.code)

Author: gr2m

lib/http-error.js

@@ -1,5 +1,5 @@
 module.exports = class HttpError extends Error {
-  constructor (message, code, headers) {
+  constructor (message, statusCode, headers) {
     super(message)
 
     // Maintains proper stack trace (only available on V8)
@@ -9,7 +9,13 @@ module.exports = class HttpError extends Error {
     }
 
     this.name = 'HttpError'
-    this.code = code
+    this.status = statusCode
+    Object.defineProperty(this, 'code', {
+      get () {
+        console.warn('`error.code` is deprecated, use `error.status`.')
+        return statusCode
+      }
+    })
     this.headers = headers
   }
 }