---
substitutions:
  name: original

wifi: !include
  file: includes/included.yaml
  vars:
    name: my_custom_ssid

esphome:
  # should be substituted as 'original', not overwritten by vars in the !include above
  name: ${name}
  name_add_mac_suffix: true
  platform: esp8266
  board: !include { file: includes/scalar.yaml, vars: { var1: nodemcu } }

  libraries: !include { file: includes/list.yaml, vars: { var1: Wire } }