A simple node subroutine manager. It includes functions such as manual or automatic process restart and process communication.

Example

const { ProcessManager } = require(`@wll8/process-manager`);
const cp = new ProcessManager([`${__dirname}/child.js`, `arg`, `arg`]);
cp.send(`text`);
cp.on(`close`, () => {
  console.log(`close`);
});

Use

• type: object

option = {
  bin: `node`, // The first parameter of nodejs spawn
  arg: [], // The second parameter of nodejs spawn
  autoReStart: true, // Automatically restart child processes
  autoReStartTime: 1000, // Restart interval, milliseconds
  stdout = (chunk, encoding, cb) => { process.stdout.write(chunk), cb(null, chunk) },
  stderr = (chunk, encoding, cb) => { process.stderr.write(chunk), cb(null, chunk) },
  spawnOption: {},
};

• type: array

option = {
  ...option,
  arg: array,
};

cp.on

• message
  Listen for messages sent by the child process

• stdout
  Listen to stdout output

• stderr
  Listen to stderr output

• close
  Monitor subprocess shutdown completion

cp.send

Send a message to the child process

cp.kill

Close child process without restarting

cp.start

Manually start the process

cp.reboot

Manually kill the process and restart the process

cp.getChild

Get the current process instance

license

MIT