8000 module: read from stdin when input is a pipe by mostafaroshdy1 · Pull Request #60659 · nodejs/node · GitHub
[go: up one dir, main page]
Skip to content

module: read from stdin when input is a pipe #60659

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
mostafaroshdy1 wants to merge 2 commits into
base: main
Choose a base branch
from
Open

module: read from stdin when input is a pipe #60659

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
85a6f1c
module: read from stdin when input is a pipe
mostafaroshdy1 Nov 9, 2025
78959f7
test: replace echo with printf for reliable multi-line stdin piping
mostafaroshdy1 Nov 9, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
5 changes: 5 additions & 0 deletions lib/internal/modules/cjs/loader.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1135,6 +1135,11 @@ function defaultLoadImpl(filename, format) {
case 'module-typescript':
case 'commonjs-typescript':
case 'typescript': {
const isPipePath = ['/dev/stdin', '/dev/fd/0'].includes(filename) ||
(filename.startsWith('/proc/') && filename.includes('/fd/pipe:'));
if (isPipePath) {
return fs.readFileSync(0, 'utf8');
}
return fs.readFileSync(filename, 'utf8');
}
case 'builtin':
Expand Down
21 changes: 21 additions & 0 deletions test/parallel/test-typescript-stdin-pipe.js
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,21 @@
'use strict';
const common = require('../common');

if (common.isWindows || common.isAIX || common.isIBMi)
common.skip(`No /dev/stdin on ${process.platform}.`);

const assert = require('assert');
const { exec } = require('child_process');

const tsCode = `
const message = "JavaScript from pipe";
console.log(message);
`;


const [cmd, opts] = common.escapePOSIXShell`printf "${tsCode}" | ${process.execPath} /dev/stdin`;

exec(cmd, opts, common.mustSucceed((stdout, stderr) => {
assert.strictEqual(stdout.trim(), 'JavaScript from pipe');
assert.strictEqual(stderr, '');
}));
0