chore: remove obsolete variable

Author: BridgeAR

lib/parser.js

@@ -153,7 +153,6 @@ function parseBulkString (parser) {
   const offsetEnd = parser.offset + length
   if (offsetEnd + 2 > parser.buffer.length) {
     parser.bigStrSize = offsetEnd + 2
-    parser.bigOffset = parser.offset
     parser.totalChunkSize = parser.buffer.length
     parser.bufferCache.push(parser.buffer)
     return
@@ -257,7 +256,7 @@ function parseArrayElements (parser, responses, i) {
     }
     const response = parseType(parser, parser.buffer[parser.offset++])
     if (response === undefined) {
-      if (!parser.arrayCache.length) {
+      if (!parser.arrayCache.length && !parser.bufferCache.length) {
         parser.offset = offset
       }
       pushArrayCache(parser, responses, i)
@@ -366,17 +365,18 @@ function resizeBuffer (length) {
  */
 function concatBulkString (parser) {
   const list = parser.bufferCache
+  const oldOffset = parser.offset
   var chunks = list.length
   var offset = parser.bigStrSize - parser.totalChunkSize
   parser.offset = offset
   if (offset <= 2) {
     if (chunks === 2) {
-      return list[0].toString('utf8', parser.bigOffset, list[0].length + offset - 2)
+      return list[0].toString('utf8', oldOffset, list[0].length + offset - 2)
     }
     chunks--
     offset = list[list.length - 2].length + offset
   }
-  var res = decoder.write(list[0].slice(parser.bigOffset))
+  var res = decoder.write(list[0].slice(oldOffset))
   for (var i = 1; i < chunks - 1; i++) {
     res += decoder.write(list[i])
   }
@@ -394,21 +394,22 @@ function concatBulkString (parser) {
  */
 function concatBulkBuffer (parser) {
   const list = parser.bufferCache
-  const length = parser.bigStrSize - parser.bigOffset - 2
+  const oldOffset = parser.offset
+  const length = parser.bigStrSize - oldOffset - 2
   var chunks = list.length
   var offset = parser.bigStrSize - parser.totalChunkSize
   parser.offset = offset
   if (offset <= 2) {
     if (chunks === 2) {
-      return list[0].slice(parser.bigOffset, list[0].length + offset - 2)
+      return list[0].slice(oldOffset, list[0].length + offset - 2)
     }
     chunks--
     offset = list[list.length - 2].length + offset
   }
   resizeBuffer(length)
   const start = bufferOffset
-  list[0].copy(bufferPool, start, parser.bigOffset, list[0].length)
-  bufferOffset += list[0].length - parser.bigOffset
+  list[0].copy(bufferPool, start, oldOffset, list[0].length)
+  bufferOffset += list[0].length - oldOffset
   for (var i = 1; i < chunks - 1; i++) {
     list[i].copy(bufferPool, bufferOffset)
     bufferOffset += list[i].length
@@ -448,7 +449,6 @@ class JavascriptRedisParser {
     this.offset = 0
     this.buffer = null
     this.bigStrSize = 0
-    this.bigOffset = 0
     this.totalChunkSize = 0
     this.bufferCache = []
     this.arrayCache = []
@@ -530,7 +530,7 @@ class JavascriptRedisParser {
       const type = this.buffer[this.offset++]
       const response = parseType(this, type)
       if (response === undefined) {
-        if (!this.arrayCache.length) {
+        if (!this.arrayCache.length && !this.bufferCache.length) {
           this.offset = offset
         }
         return