From e65734a1edea8eb2c65e670d4b104814239c177f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Miguel=20S=C3=A1nchez=20Villaf=C3=A1n?= <mig8447@gmail.com>
Date: Fri, 21 May 2021 12:06:34 -0500
Subject: [PATCH] feat: add support for STDIN

---
 readlines.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/readlines.js b/readlines.js
index 6b8bdc1..de3c064 100644
--- a/readlines.js
+++ b/readlines.js
@@ -89,7 +89,7 @@ class LineByLine {
         do {
             const readBuffer = new Buffer(this.options.readChunk);
 
-            bytesRead = fs.readSync(this.fd, readBuffer, 0, this.options.readChunk, this.fdPosition);
+            bytesRead = fs.readSync(this.fd, readBuffer, 0, this.options.readChunk, this.fd === process.stdin.fd ? undefined : this.fdPosition);
             totalBytesRead = totalBytesRead + bytesRead;
 
             this.fdPosition = this.fdPosition + bytesRead;
@@ -116,7 +116,7 @@ class LineByLine {
     }
 
     next() {
-        if (!this.fd) return false;
+        if (typeof this.fd !== 'number' && !this.fd) return false;
 
         let line = false;