Yarn Switch terminates before the child process does

[merceyz]

With a script like

process.on("SIGINT", () => {
	console.log("SIGINT received");
});
process.on("SIGTERM", () => {
	console.log("SIGTERM received");
});

setInterval(() => {
	console.log("tick");
}, 1000);

running node index.js and sending it a SIGINT it will continue running.
When using Yarn switch running yarn node index.js the switch process terminates and the underlying process keeps running.

Dockerfile reproduction:

FROM node:24.13.0
RUN curl -s https://repo.yarnpkg.com/install | bash
ENV PATH="/root/.yarn/switch/bin:$PATH"
RUN yarn switch --version
RUN cat <<EOF > index.js
process.on("SIGINT", () => {
	console.log("SIGINT received");
});
process.on("SIGTERM", () => {
	console.log("SIGTERM received");
});

setInterval(() => {
	console.log("tick");
}, 1000);
EOF
CMD ["yarn", "node", "index.js"]

Building and running that container it terminates as soon as the signal arrives instead of continuing to run.