Return empty a empty stream for zero sized blob

from.js

@@ -43,6 +43,10 @@ class BlobDataItem {
 throw new DOMException('The requested file could not be read, typically due to permission problems that have occurred after a reference to a file was acquired.', 'NotReadableError');
 }
 
+if (!this.size) {
+return new Blob().stream();
+}
+
 return createReadStream(this.path, {
 start: this.start,
 end: this.start + this.size - 1

test.js

@@ -172,6 +172,12 @@ test('Reading from the stream created by blobFrom', async t => {
 t.is(actual, expected);
 });
 
+test('Reading empty blobs', async t => {
+const blob = blobFrom('./LICENSE').slice(0, 0);
+const actual = await blob.text();
+t.is(actual, '');
+});
+
 test('Blob-ish class is an instance of Blob', t => {
 class File {
 stream() {}