{# Group the posts by year #}
{% set map = get_section(path="_index.md") | get(key="pages") | group_by(attribute="year") %}
{% set_global years = [] %}
{# Convert the years map to an array (since maps do not have determined order) #}
{% for year, ignored in map %}
{% set_global years = years | concat(with=year) %}
{% endfor %}
{% for year in years | sort | reverse %}
{% set posts = map[year] %}
{{ year }}
{% for post in posts %}
-
{{ post.date | date(format="%m/%d") }}
{{ post.title }}
{% endfor %}
{% endfor %}