perf: do not create new buffers

achingbrain · achingbrain · commit 4ef5dbcf0afc · 2018-12-20T13:17:56.000Z
diff --git a/src/builder/builder.js b/src/builder/builder.js
@@ -110,7 +110,7 @@ module.exports = function builder (createChunker, ipld, createReducer, _options)
         if (options.progress && typeof options.progress === 'function') {
           options.progress(chunk.byteLength)
         }
-        return Buffer.from(chunk)
+        return chunk
       }),
       asyncMap((buffer, callback) => {
         if (options.rawLeaves) {

Original file line number	Diff line number	Diff line change
`@@ -110,7 +110,7 @@ module.exports = function builder (createChunker, ipld, createReducer, _options)`
`110`	`110`	`if (options.progress && typeof options.progress === 'function') {`
`111`	`111`	`options.progress(chunk.byteLength)`
`112`	`112`	`}`
`113`		`- return Buffer.from(chunk)`
	`113`	`+ return chunk`
`114`	`114`	`}),`
`115`	`115`	`asyncMap((buffer, callback) => {`
`116`	`116`	`if (options.rawLeaves) {`