style: Minor changes

Author: Richienb

src/index.ts

@@ -3,7 +3,7 @@
  *
  * MIT License
  *
- * Copyright (c) 2016 - 1019 The Node Fetch Team
+ * Copyright (c) 2016 - 2019 The Node Fetch Team
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the 'Software'), to deal
@@ -42,27 +42,21 @@ export function convertBody(buffer: Buffer, headers?: Headers): string {
     let charset: string
 
     // Header
-    if (contentType) {
-        charset = getCharSet(contentType)
-    }
+    if (contentType) charset = getCharSet(contentType)
 
     // No charset in content type, peek at response body for at most 1024 bytes
     const res = buffer.slice(0, 1024).toString()
 
     // HTML5, HTML4 and XML
-    if (!charset && res) {
-        charset = getCharSet(
-            $(res)("meta[charset]").attr("charset") || // HTML5
-            $(res)("meta[http-equiv][content]").attr("content") || // HTML4
-            $(res.replace(/<\?(.*)\?>/im, "<$1>"), { xmlMode: true }).root().find("xml").attr("encoding") // XML
-        )
-    }
+    if (!charset && res) charset = getCharSet(
+        $(res)("meta[charset]").attr("charset") || // HTML5
+        $(res)("meta[http-equiv][content]").attr("content") || // HTML4
+        $(res.replace(/<\?(.*)\?>/im, "<$1>"), { xmlMode: true }).root().find("xml").attr("encoding") // XML
+    )
 
     // Prevent decode issues when sites use incorrect encoding
     // ref: https://hsivonen.fi/encoding-menu/
-    if (charset && charset.toLowerCase() in ["gb2312", "gbk"]) {
-        charset = "gb18030"
-    }
+    if (charset && charset.toLowerCase() in ["gb2312", "gbk"]) charset = "gb18030"
 
     // Turn raw buffers into a single utf-8 buffer
     return convert(