How to pass a variable to package.json from the command line?

Question

JavaScript

How can I pass the password (in publishConfig.registry) from the outside (from the command line)?

{
  "name": "projectName",
  "version": "1.0.2",
  "publishConfig": {
    "registry":"http://username:[email protected]",
    "user": "username"
  }
}

Answer 1

a hundred times already on SO, use the start script
stackoverflow.com/questions/11580961/sending-comma...