From 1854c6f73be9d4439807911ce9cba1125af93dd4 Mon Sep 17 00:00:00 2001
From: Sander Hahn <sanderhahn@gmail.com>
Date: Thu, 29 Oct 2020 18:35:58 +0100
Subject: fix(cli): prompt works with windows eol and eof (#8149)

---
 cli/rt/41_prompt.js | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

(limited to 'cli/rt')

diff --git a/cli/rt/41_prompt.js b/cli/rt/41_prompt.js
index 5a588def1..0adc6081a 100644
--- a/cli/rt/41_prompt.js
+++ b/cli/rt/41_prompt.js
@@ -3,6 +3,7 @@
   const { stdin, stdout } = window.__bootstrap.files;
   const { isatty } = window.__bootstrap.tty;
   const LF = "\n".charCodeAt(0);
+  const CR = "\r".charCodeAt(0);
   const encoder = new TextEncoder();
   const decoder = new TextDecoder();
 
@@ -50,7 +51,20 @@
 
     while (true) {
       const n = stdin.readSync(c);
-      if (n === 0 || c[0] === LF) {
+      if (n === null || n === 0) {
+        break;
+      }
+      if (c[0] === CR) {
+        const n = stdin.readSync(c);
+        if (c[0] === LF) {
+          break;
+        }
+        buf.push(CR);
+        if (n === null || n === 0) {
+          break;
+        }
+      }
+      if (c[0] === LF) {
         break;
       }
       buf.push(c[0]);
-- 
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