docstr: Job to install npm packages.
docstr_tok: ["Job","to","install","npm","packages","."]
code: def npm(self):
      """Job to install npm packages."""
      os.chdir(self.main)
      run_command_with_process("npm ci")
  
imports: import os
  import sys
  import json
  import string
  import shutil
  import logging
  import coloredlogs
  import fire
  import requests
  from .._utils import run_command_with_process, compute_md5, job
label_desc: Use image node_id 6 for calling the BuildProcess obj's underlying member method code with example usage: obj.npm() without return types