---
- name: check for npm
  find:
    paths: [/bin, /usr/bin, /usr/local/bin]
    patterns: npm
    file_type: any
  register: npm

- name: install APT HTTPS transport
  apt:
    name: apt-transport-https
    cache_valid_time: 86400
  when: npm.matched == 0

- name: add NodeSource signing key
  apt_key:
    url: https://deb.nodesource.com/gpgkey/nodesource.gpg.key
    id: 9FD3B784BC1C6FC31A8A0A1C1655A0AB68576280
  when: npm.matched == 0

- name: add NodeSource repository
  apt_repository:
    repo: "deb https://deb.nodesource.com/{{ nodejs_version }} {{ ansible_lsb.codename }} main"
    filename: nodesource
  when: npm.matched == 0

- name: install Node.js
  apt:
    name:
      - build-essential
      - nodejs
    cache_valid_time: 86400
  when: npm.matched == 0