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✨ feat: add tag filtering for projects
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,99 @@ | ||
| document.addEventListener('DOMContentLoaded', () => { | ||
| const cards = document.querySelectorAll('.card'); | ||
| const filterLinks = document.querySelectorAll('.filter-controls a'); | ||
| const allProjectsFilter = document.querySelector('#all-projects-filter'); | ||
| if (!cards.length || !filterLinks.length) return; | ||
| allProjectsFilter.style.display = 'block'; | ||
|
|
||
| // Create a Map for O(1) lookups of links by filter value. | ||
| const linkMap = new Map( | ||
| Array.from(filterLinks).map(link => [link.dataset.filter, link]) | ||
| ); | ||
|
|
||
| // Pre-process cards data for faster filtering. | ||
| const cardData = Array.from(cards).map(card => ({ | ||
| element: card, | ||
| tags: card.dataset.tags?.toLowerCase().split(',').filter(Boolean) ?? [] | ||
| })); | ||
|
|
||
| function getTagSlugFromUrl(url) { | ||
| return url.split('/').filter(Boolean).pop(); | ||
| } | ||
|
|
||
| function getFilterFromHash() { | ||
| if (!window.location.hash) return 'all'; | ||
| const hash = decodeURIComponent(window.location.hash.slice(1)); | ||
| const matchingLink = Array.from(filterLinks).find(link => | ||
| getTagSlugFromUrl(link.getAttribute('href')) === hash | ||
| ); | ||
| return matchingLink?.dataset.filter ?? 'all'; | ||
| } | ||
|
|
||
| function setActiveFilter(filterValue, updateHash = true) { | ||
| if (updateHash) { | ||
| if (filterValue === 'all') { | ||
| history.pushState(null, '', window.location.pathname); | ||
| } else { | ||
| const activeLink = linkMap.get(filterValue); | ||
| if (activeLink) { | ||
| const tagSlug = getTagSlugFromUrl(activeLink.getAttribute('href')); | ||
| history.pushState(null, '', `#${tagSlug}`); | ||
| } | ||
| } | ||
| } | ||
| const isAll = filterValue === 'all'; | ||
| const display = isAll ? '' : 'none'; | ||
| const ariaHidden = isAll ? 'false' : 'true'; | ||
| requestAnimationFrame(() => { | ||
| filterLinks.forEach(link => { | ||
| const isActive = link.dataset.filter === filterValue; | ||
| link.classList.toggle('active', isActive); | ||
| link.setAttribute('aria-pressed', isActive); | ||
| }); | ||
| if (isAll) { | ||
| cardData.forEach(({ element }) => { | ||
| element.style.display = display; | ||
| element.setAttribute('aria-hidden', ariaHidden); | ||
| }); | ||
| } else { | ||
| cardData.forEach(({ element, tags }) => { | ||
| const shouldShow = tags.includes(filterValue); | ||
| element.style.display = shouldShow ? '' : 'none'; | ||
| element.setAttribute('aria-hidden', !shouldShow); | ||
| }); | ||
| } | ||
| }); | ||
| } | ||
|
|
||
| const filterContainer = filterLinks[0].parentElement.parentElement; | ||
| filterContainer.addEventListener('click', e => { | ||
| const link = e.target.closest('a'); | ||
| if (!link) return; | ||
| e.preventDefault(); | ||
| const filterValue = link.dataset.filter; | ||
| if (filterValue) setActiveFilter(filterValue); | ||
| }); | ||
|
|
||
| filterContainer.addEventListener('keydown', e => { | ||
| const link = e.target.closest('a'); | ||
| if (!link) return; | ||
| if (e.key === ' ' || e.key === 'Enter') { | ||
| e.preventDefault(); | ||
| link.click(); | ||
| } | ||
| }); | ||
|
|
||
| filterLinks.forEach(link => { | ||
| link.setAttribute('role', 'button'); | ||
| link.setAttribute('aria-pressed', link.classList.contains('active')); | ||
| }); | ||
|
|
||
| window.addEventListener('popstate', () => { | ||
| setActiveFilter(getFilterFromHash(), false); | ||
| }); | ||
|
|
||
| const initialFilter = getFilterFromHash(); | ||
| if (initialFilter !== 'all') { | ||
| setActiveFilter(initialFilter, false); | ||
| } | ||
| }); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,35 @@ | ||
| {#- Collect all terms. -#} | ||
| {#- We don't use `get_taxonomy` so users aren't forced to use 'tags' -#} | ||
| {% set all_terms = [] %} | ||
| {% for page in show_pages %} | ||
| {% if page.taxonomies %} | ||
| {% for tax_name, terms in page.taxonomies %} | ||
| {% for term in terms %} | ||
| {% set_global all_terms = all_terms | concat(with=term) %} | ||
| {% endfor %} | ||
| {% endfor %} | ||
| {% endif %} | ||
| {% endfor %} | ||
|
|
||
| {#- Display unique terms -#} | ||
| {%- if all_terms -%} | ||
| <ul class="filter-controls" role="group" aria-label="{{ macros_translate::translate(key='project_filters', default='Project filters', language_strings=language_strings) }}"> | ||
| <li class="taxonomy-item no-hover-padding"> | ||
| <a id="all-projects-filter" class="no-hover-padding active" | ||
| href="{{ get_url(path="projects", lang=lang) }}" | ||
| data-filter="all"> | ||
| {{- macros_translate::translate(key="all_projects", default="All projects", language_strings=language_strings) -}} | ||
| </a> | ||
| </li> | ||
| {% for term in all_terms | unique | sort %} | ||
| <li class="taxonomy-item no-hover-padding"> | ||
| <a class="no-hover-padding" | ||
| href="{{ get_taxonomy_url(kind="tags", name=term) }}" | ||
| data-filter="{{ term | lower }}">{{ term }}</a> | ||
| </li> | ||
| {% endfor %} | ||
| </ul> | ||
| {% endif %} | ||
|
|
||
| {#- Load the script -#} | ||
| <script src="{{ get_url(path='js/filterCards.min.js', trailing_slash=false) | safe }}" async></script> |
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