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{% macro render_pagination(pagination, pagination_window=2) %}
{% set current = pagination.page %}
{% set total = pagination.pages %}
{% set window_start = [current - pagination_window, 1] | max %}
{% set window_end = [current + pagination_window, total] | min %}
<nav aria-label="Page navigation">
<ol>
<li>
{% if pagination.has_prev %}
<a href="{{ pagination.prev | url }}" aria-label="Previous page">❮</a>
{% else %}
<span aria-disabled="true">❮</span>
{% endif %}
</li>
{% if window_start > 1 %}
<li>
<a href="{{ pagination.for_page(1) | url }}" aria-label="Page 1">1</a>
</li>
{% if window_start > 2 %}
<li>
<span aria-hidden="true">…</span>
</li>
{% endif %}
{% endif %}
{% for page_num in range(window_start, window_end + 1) %}
<li>
{% if page_num == current %}
<a href="{{ pagination.for_page(page_num) | url }}" aria-current="page">{{ page_num }}</a>
{% else %}
<a href="{{ pagination.for_page(page_num) | url }}"
aria-label="Page {{ page_num }}">{{ page_num }}</a>
{% endif %}
</li>
{% endfor %}
{% if window_end < total %}
{% if window_end < total - 1 %}
<li>
<span aria-hidden="true">…</span>
</li>
{% endif %}
<li>
<a href="{{ pagination.for_page(total) | url }}"
aria-label="Page {{ total }}">{{ total }}</a>
</li>
{% endif %}
<li>
{% if pagination.has_next %}
<a href="{{ pagination.next | url }}" aria-label="Next page">❯</a>
{% else %}
<span aria-disabled="true">❯</span>
{% endif %}
</li>
</ol>
</nav>
{% endmacro %}
{% macro render_year_archive_navigation(
current_year_page,
archive_window=2
) %}
{% set current_year = current_year_page.year %}
{% set first_year_page = current_year_page.first_year_page %}
{% set last_year_page = current_year_page.last_year_page %}
{% set previous_year_page = current_year_page.previous_year_page %}
{% set next_year_page = current_year_page.next_year_page %}
{% set first_year = first_year_page.year %}
{% set last_year = last_year_page.year %}
{% set window_start = [current_year - archive_window, first_year] | max %}
{% set window_end = [current_year + archive_window, last_year] | min %}
<nav aria-label="Year archive navigation">
<ol>
<li>
{% if previous_year_page %}
<a href="{{ previous_year_page | url }}"
rel="prev"
aria-label="Previous year: {{ previous_year_page.year }}">❮</a>
{% else %}
<span aria-disabled="true">❮</span>
{% endif %}
</li>
{% if window_start > first_year %}
<li>
<a href="{{ first_year_page | url }}" aria-label="Year {{ first_year }}">{{ first_year }}</a>
</li>
{% if window_start > first_year + 1 %}
<li>
<span aria-hidden="true">…</span>
</li>
{% endif %}
{% endif %}
{% for year in range(window_start, window_end + 1) %}
{% set year_page = site.get(
'/blog@index-pages/year/{:04d}'.format(year)
) %}
{% if year_page %}
<li>
{% if year == current_year %}
<a href="{{ year_page | url }}" aria-current="page">{{ year }}</a>
{% else %}
<a href="{{ year_page | url }}" aria-label="Year {{ year }}">{{ year }}</a>
{% endif %}
</li>
{% endif %}
{% endfor %}
{% if window_end < last_year %}
{% if window_end < last_year - 1 %}
<li>
<span aria-hidden="true">…</span>
</li>
{% endif %}
<li>
<a href="{{ last_year_page | url }}" aria-label="Year {{ last_year }}">{{ last_year }}</a>
</li>
{% endif %}
<li>
{% if next_year_page %}
<a href="{{ next_year_page | url }}"
rel="next"
aria-label="Next year: {{ next_year_page.year }}">❯</a>
{% else %}
<span aria-disabled="true">❯</span>
{% endif %}
</li>
</ol>
</nav>
{% endmacro %}
{% macro render_month_archive_navigation(
current_month_page,
archive_window=2
) %}
{% set year_pages = index_pages('year') | sort(attribute='year') %}
{% set ns = namespace(
month_pages=[],
current_position=none
) %}
{% for year_page in year_pages %}
{% set ns.month_pages = ns.month_pages + (year_page.subindexes | sort(attribute='month')) %}
{% endfor %}
{% for month_page in ns.month_pages %}
{% if month_page.year == current_month_page.year
and month_page.month == current_month_page.month %}
{% set ns.current_position = loop.index0 %}
{% endif %}
{% endfor %}
{% set total = ns.month_pages | length %}
{% set current_position = ns.current_position %}
{% set window_start = [current_position - archive_window, 0] | max %}
{% set window_end = [current_position + archive_window, total - 1] | min %}
{% set first_month_page = ns.month_pages[0] %}
{% set last_month_page = ns.month_pages[total - 1] %}
{% set previous_month_page = none %}
{% set next_month_page = none %}
{% if current_position > 0 %}
{% set previous_month_page = ns.month_pages[current_position - 1] %}
{% endif %}
{% if current_position < total - 1 %}
{% set next_month_page = ns.month_pages[current_position + 1] %}
{% endif %}
<nav aria-label="Monthly archive navigation">
<ol>
<li>
{% if previous_month_page %}
<a href="{{ previous_month_page | url }}"
rel="prev"
aria-label="Previous month: {{ previous_month_page.date | dateformat('yyyy-MM') }}">❮</a>
{% else %}
<span aria-disabled="true">❮</span>
{% endif %}
</li>
{% if window_start > 0 %}
<li>
<a href="{{ first_month_page | url }}"
aria-label="{{ first_month_page.date | dateformat('yyyy-MM') }}">
{{ first_month_page.date | dateformat("MMMM y") }}
</a>
</li>
{% if window_start > 1 %}
<li>
<span aria-hidden="true">…</span>
</li>
{% endif %}
{% endif %}
{% for position in range(window_start, window_end + 1) %}
{% set month_page = ns.month_pages[position] %}
<li>
{% if position == current_position %}
<a href="{{ month_page | url }}" aria-current="page">{{ month_page.date | dateformat("MMMM y") }}</a>
{% else %}
<a href="{{ month_page | url }}"
aria-label="{{ month_page.date | dateformat('yyyy-MM') }}">
{{ month_page.date | dateformat("MMMM y") }}
</a>
{% endif %}
</li>
{% endfor %}
{% if window_end < total - 1 %}
{% if window_end < total - 2 %}
<li>
<span aria-hidden="true">…</span>
</li>
{% endif %}
<li>
<a href="{{ last_month_page | url }}"
aria-label="{{ last_month_page.date | dateformat('yyyy-MM') }}">
{{ last_month_page.date | dateformat("MMMM y") }}
</a>
</li>
{% endif %}
<li>
{% if next_month_page %}
<a href="{{ next_month_page | url }}"
rel="next"
aria-label="Next month: {{ next_month_page.date | dateformat('yyyy-MM') }}">❯</a>
{% else %}
<span aria-disabled="true">❯</span>
{% endif %}
</li>
</ol>
</nav>
{% endmacro %}
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