From 68b388a93a3efe443fc5e306e883847bfb8551db Mon Sep 17 00:00:00 2001
From: Divy Srivastava <dj.srivastava23@gmail.com>
Date: Mon, 14 Oct 2024 14:00:02 +0530
Subject: fix(ext/node): allow writing to tty columns (#26201)

Behave similar to Node.js where modifying `stdout.columns` doesn't
really resize the terminal. Ref
https://github.com/nodejs/node/issues/17529

Fixes https://github.com/denoland/deno/issues/26196
---
 ext/node/polyfills/_process/streams.mjs | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

(limited to 'ext/node/polyfills/_process/streams.mjs')

diff --git a/ext/node/polyfills/_process/streams.mjs b/ext/node/polyfills/_process/streams.mjs
index 7936e82aa..3573956c9 100644
--- a/ext/node/polyfills/_process/streams.mjs
+++ b/ext/node/polyfills/_process/streams.mjs
@@ -66,14 +66,19 @@ export function createWritableStdioStream(writer, name, warmup = false) {
 
   // We cannot call `writer?.isTerminal()` eagerly here
   let getIsTTY = () => writer?.isTerminal();
+  const getColumns = () =>
+    stream._columns ||
+    (writer?.isTerminal() ? Deno.consoleSize?.().columns : undefined);
 
   ObjectDefineProperties(stream, {
     columns: {
       __proto__: null,
       enumerable: true,
       configurable: true,
-      get: () =>
-        writer?.isTerminal() ? Deno.consoleSize?.().columns : undefined,
+      get: () => getColumns(),
+      set: (value) => {
+        stream._columns = value;
+      },
     },
     rows: {
       __proto__: null,
-- 
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