boolean if code example

Example 1: check if value is boolean

if (typeof variable === "boolean"){
  // variable is a boolean
}

Example 2: pebbel if statement check boolean

{%- if index.unique == true -%}
  {%- set UniqueString = " UNIQUE " -%}
{% else %} 
  {%- set UniqueString = " " -%}
{% endif -%}