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a4e4e312aa
* Allow unlimited multi-level navigation This PR supersedes #462. The only user-level difference from #462 is that disambiguation of parent pages has to use either `grand_parent` or `ancestor` titles: the somewhat unnatural `section_id` and `in_section` fields are not supported. The implementation has been significantly simplified by the changes introduced in v0.7.0 of the theme. * Detect cyclic parenthood A page should not have a parent or ancestor with the same title. If it does, the location of the repeated link is marked by ∞, to facilitate debugging the navigation (and an unbounded loop leading to a build exception is avoided). * Add nav_error_report warning in main navigation When activated by `nav_error_report: true` in `_config.yml`, displays warnings about pages with the same title as their parent page or an ancestral page. * Cache site-nav with links to all pages The extra cached site-nav is used for determining breadcrumbs and children navigation, which may involve pages that are excluded from the main navigation. * Replace code for determining children by inclusion of components/nav/children.html * Update CHANGELOG.md --------- Co-authored-by: Matt Wang <matt@matthewwang.me>
24 lines
921 B
HTML
24 lines
921 B
HTML
{%- comment -%}
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Include as: {%- include components/nav/pages.html pages=page_array all=bool -%}
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Depends on: include.pages.
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Results in: HTML for the main navigation when all is nil or false;
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adds links to pages excluded from the main navigation when all is true.
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Includes: components/nav/links.html
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Assigns to:
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nav_parenthood, nav_top_nodes, nav_top_node_titles, nav_ancestors.
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{%- endcomment -%}
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{%- assign nav_parenthood = include.pages
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| where_exp: "item", "item.title != nil" | group_by: "parent" -%}
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{%- assign nav_top_nodes = nav_parenthood
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| where_exp: "item", "item.name == ''" | map: "items" | first -%}
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{%- include components/nav/sorted.html pages=nav_top_nodes -%}
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{% assign nav_top_node_titles = nav_top_nodes | map: "title" -%}
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{%- assign nav_ancestors = "" | split: "" -%}
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{%- include components/nav/links.html pages=nav_sorted ancestors=nav_ancestors all=include.all -%}
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