INNER CODE UNIT · JavaScript

settle

bvisible/mcp-ssh-manager · src/index.js:493

    const settle = (fn, arg) => {
      if (settled) return;
      settled = true;
      fn(arg);
    };

    socket.on('close', () => {
      if (!child.killed) child.kill();
    });

    child.on('error', (err) => settle(reject, err));
    child.on('spawn', () => settle(resolve, socket));
    child.on('exit', (code, signal) => {
      // Only surface unexpected exits — a kill() after a successful connection is normal.
      if (!settled && code !== 0) {
        settle(reject, new Error(`Proxy command exited with code ${code}${signal ? ` (${signal})` : ''}`));
      } else if (settled && code !== 0 && !signal && !socket.destroyed) {
        socket.destroy(new Error(`Proxy command exited with code ${code}`));

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