fix Buffer.byteLength(req._header) throwing error (#490)

Anton Egorov · sindresorhus · commit 7ac705f83165 · 2018-07-03T15:57:49.000+07:00
diff --git a/index.js b/index.js
@@ -204,7 +204,7 @@ function requestAsEventEmitter(opts) {
 							}
 
 							const lastUploaded = uploaded;
-							const headersSize = Buffer.byteLength(req._header);
+							const headersSize = req._header ? Buffer.byteLength(req._header) : 0;
 							uploaded = socket.bytesWritten - headersSize;
 
 							// Prevent the known issue of `bytesWritten` being larger than body size

Original file line number	Diff line number	Diff line change
`@@ -204,7 +204,7 @@ function requestAsEventEmitter(opts) {`
`204`	`204`	`}`
`205`	`205`
`206`	`206`	`const lastUploaded = uploaded;`
`207`		`- const headersSize = Buffer.byteLength(req._header);`
	`207`	`+ const headersSize = req._header ? Buffer.byteLength(req._header) : 0;`
`208`	`208`	`uploaded = socket.bytesWritten - headersSize;`
`209`	`209`
`210`	`210`	// Prevent the known issue of `bytesWritten` being larger than body size