How to define the Node.js status code without exiting immediately?

Question

How to define the Node.js status code without exiting immediately?

In Node, the process.exit(code) method allows one to exit with the code status code.

However, what I am looking for is a way to define, under some condition that are not temporally defined, the status code with which the process will exit, without exiting immediately.

How can I do such a thing?

node.js
exit

Answer 1

Use the process's exit event.

Even though it has the same name as the method, an exit handler will not be called recursively if you call process.exit from within:

var code = 0;
// ...
code = 1
// ...
process.on('exit', function() {
    process.exit(code);
});