index.js

// process.env.DEBUG = 'node-vault'; // switch on debug mode
const { VaultAccess } = require("node-vault-user-pass");

const Vault = new VaultAccess({
  Authority: ["create", "read", "update", "delete", "list", "sudo"],
  Path: "path",
  Policy: "auth_policy",
  EndPoint: "http://localhost:8200",
  UserName: "username",
  SecretMountPoint: "secret_zone",
  // Either Set this in Command Line as an Environment Variable
  // Use set VAULT_TOKEN or export VAULT_TOKEN depending
  // upon your OS
  // Or Provide it as String Here
  // This must be a Root Token
  // Or a token with substantial access
  Token: String(process.env.VAULT_TOKEN),
  // Yet to be Implemented
  CertificateMountPoint: "certificate"
});

async function run() {
  // In Order to run Setup, the user needs Root Token
  await Vault.Setup();
  await Vault.SignUp("password" /*, 'username' */);
  console.log("Sign Up Successfull");
  await Vault.SignIn("password" /*, 'username' */);
  console.log("Sign In Successfull");

  const value = {
    foo: "3",
    bar: "4"
  };
  await Vault.Write("key", value);
  console.log("Wrote Value", value, "successfully");
  const val = await Vault.Read("key");
  console.log("Read value is ", val);

  // Unmount is an admin action
  // As such, the user needs Root Token
  // Or At least access to /sys/mount provided
  await Vault.Unmount();
}

run().then(() => {
  console.log("done");
});