chore: improve buffer resize size

Author: BridgeAR

lib/parser.js

@@ -314,12 +314,11 @@ function parseType (parser, type) {
 function decreaseBufferPool () {
   if (bufferPool.length > 50 * 1024) {
     if (counter === 1 || notDecreased > counter * 2) {
-      const sliceLength = Math.floor(bufferPool.length / 10)
-      if (bufferOffset <= sliceLength) {
-        bufferOffset = 0
-      } else {
-        bufferOffset -= sliceLength
-      }
+      const minSliceLen = Math.floor(bufferPool.length / 10)
+      const sliceLength = minSliceLen < bufferOffset
+        ? bufferOffset
+        : minSliceLen
+      bufferOffset = 0
       bufferPool = bufferPool.slice(sliceLength, bufferPool.length)
     } else {
       notDecreased++