meteor/tools/node-process-warnings.js

process.on("warning", (warn) => {
  if (warn.message.includes("punycode")) {
    /*
     * A warning was introduced in Node 22:
     *
     * "The `punycode` module is deprecated. Please use a userland alternative instead."
     *
     * The problem is that punycode is deeply integrated in the Node system. It's not a
     * simple direct dependency.
     *
     * Check these issues for more details:
     * https://github.com/mathiasbynens/punycode.js/issues/137
     * https://stackoverflow.com/questions/68774489/punycode-is-deprecated-in-npm-what-should-i-replace-it-with/78946745
     *
     * This warning was, besides being annoying, breaking our tests.
     */
    return;
  }
  console.warn(warn);
});