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[Facets] support dynamic facet lists #3123

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merged 3 commits into from
Dec 14, 2023
Merged

[Facets] support dynamic facet lists #3123

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a99696c
[Facets] support dynamic facet lists
patrickracicot Nov 22, 2023
973e9ad
PR comments on readability
patrickracicot Dec 13, 2023
e91f635
switch prefix to suffix following Ludo comment
patrickracicot Dec 14, 2023
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62 changes: 46 additions & 16 deletions assets/facets.js
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -34,7 +34,9 @@ class FacetFiltersForm extends HTMLElement {
const sections = FacetFiltersForm.getSections();
const countContainer = document.getElementById('ProductCount');
const countContainerDesktop = document.getElementById('ProductCountDesktop');
const loadingSpinners = document.querySelectorAll('.facets-container .loading__spinner, facet-filters-form .loading__spinner');
const loadingSpinners = document.querySelectorAll(
'.facets-container .loading__spinner, facet-filters-form .loading__spinner'
);
loadingSpinners.forEach((spinner) => spinner.classList.remove('hidden'));
document.getElementById('ProductGridContainer').querySelector('.collection').classList.add('loading');
if (countContainer) {
Expand Down Expand Up @@ -100,25 +102,54 @@ class FacetFiltersForm extends HTMLElement {
containerDesktop.innerHTML = count;
containerDesktop.classList.remove('loading');
}
const loadingSpinners = document.querySelectorAll('.facets-container .loading__spinner, facet-filters-form .loading__spinner');
const loadingSpinners = document.querySelectorAll(
'.facets-container .loading__spinner, facet-filters-form .loading__spinner'
);
loadingSpinners.forEach((spinner) => spinner.classList.add('hidden'));
}

static renderFilters(html, event) {
const parsedHTML = new DOMParser().parseFromString(html, 'text/html');

const facetDetailsElements = parsedHTML.querySelectorAll(
const facetDetailsElementsFromFetch = parsedHTML.querySelectorAll(
'#FacetFiltersForm .js-filter, #FacetFiltersFormMobile .js-filter, #FacetFiltersPillsForm .js-filter'
);
const matchesIndex = (element) => {
const facetDetailsElementsFromDom = document.querySelectorAll(
'#FacetFiltersForm .js-filter, #FacetFiltersFormMobile .js-filter, #FacetFiltersPillsForm .js-filter'
);

// Remove facets that are no longer returned from the server
Array.from(facetDetailsElementsFromDom).forEach((currentElement) => {
if (!Array.from(facetDetailsElementsFromFetch).some(({ id }) => currentElement.id === id)) {
currentElement.remove();
}
});

const matchesId = (element) => {
const jsFilter = event ? event.target.closest('.js-filter') : undefined;
return jsFilter ? element.dataset.index === jsFilter.dataset.index : false;
return jsFilter ? element.id === jsFilter.id : false;
};
const facetsToRender = Array.from(facetDetailsElements).filter((element) => !matchesIndex(element));
const countsToRender = Array.from(facetDetailsElements).find(matchesIndex);
const facetsToRender = Array.from(facetDetailsElementsFromFetch).filter((element) => !matchesId(element));
const countsToRender = Array.from(facetDetailsElementsFromFetch).find(matchesId);

facetsToRender.forEach((elementToRender, index) => {
const currentElement = document.getElementById(elementToRender.id);
// Element already rendered in the DOM so just update the innerHTML
if (currentElement) {
document.getElementById(elementToRender.id).innerHTML = elementToRender.innerHTML;
} else {
if (index > 0) {
const { className: previousElementClassName, id: previousElementId } = facetsToRender[index - 1];
// Same facet type (eg horizontal/vertical or drawer/mobile)
if (elementToRender.className === previousElementClassName) {
document.getElementById(previousElementId).after(elementToRender);
return;
}
}

facetsToRender.forEach((element) => {
document.querySelector(`.js-filter[data-index="${element.dataset.index}"]`).innerHTML = element.innerHTML;
if (elementToRender.parentElement) {
document.querySelector(`#${elementToRender.parentElement.id} .js-filter`).before(elementToRender);
}
}
});

FacetFiltersForm.renderActiveFacets(parsedHTML);
Expand All @@ -131,12 +162,11 @@ class FacetFiltersForm extends HTMLElement {
FacetFiltersForm.renderCounts(countsToRender, event.target.closest('.js-filter'));
FacetFiltersForm.renderMobileCounts(countsToRender, document.getElementById(closestJSFilterID));

const newElementSelector = document
.getElementById(closestJSFilterID)
.classList.contains('mobile-facets__details')
? `#${closestJSFilterID} .mobile-facets__close-button`
: `#${closestJSFilterID} .facets__summary`;
const newElementToActivate = document.querySelector(newElementSelector);
const newFacetDetailsElement = document.getElementById(closestJSFilterID);
const newElementSelector = newFacetDetailsElement.classList.contains('mobile-facets__details')
? `.mobile-facets__close-button`
: `.facets__summary`;
const newElementToActivate = newFacetDetailsElement.querySelector(newElementSelector);
if (newElementToActivate) newElementToActivate.focus();
}
}
Expand Down
14 changes: 9 additions & 5 deletions snippets/facets.liquid
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Original file line number Diff line number Diff line change
Expand Up @@ -129,7 +129,7 @@
{% case filter.type %}
{% when 'boolean', 'list' %}
<details
id="Details-{{ forloop.index }}-{{ section.id }}"
id="Details-{{ filter.param_name | escape }}-{{ section.id }}"
class="{% if filter_type == 'horizontal' %}disclosure-has-popup facets__disclosure{% else %} facets__disclosure-vertical{% endif %} js-filter"
data-index="{{ forloop.index }}"
{% if filter_type == 'vertical' and forloop.index == 1 %}
Expand Down Expand Up @@ -365,7 +365,7 @@
endif
%}
<details
id="Details-{{ forloop.index }}-{{ section.id }}"
id="Details-{{ filter.param_name | escape }}-{{ section.id }}"
class="{% if filter_type == 'horizontal' %}disclosure-has-popup facets__disclosure{% else %} facets__disclosure-vertical{% endif %} js-filter"
data-index="{{ forloop.index }}"
{% if filter_type == 'vertical' and forloop.index == 1 %}
Expand Down Expand Up @@ -682,7 +682,10 @@
</p>
</div>
</div>
<div class="mobile-facets__main has-submenu gradient">
<div
id="FacetsWrapperMobile"
class="mobile-facets__main has-submenu gradient"
>
{%- if enable_filtering -%}
{%- for filter in results.filters -%}
{% liquid
Expand All @@ -699,7 +702,7 @@
{% case filter.type %}
{% when 'boolean', 'list' %}
<details
id="Details-Mobile-{{ forloop.index }}-{{ section.id }}"
id="Details-Mobile-{{ filter.param_name | escape }}-{{ section.id }}"
class="mobile-facets__details js-filter"
data-index="mobile-{{ forloop.index }}"
>
Expand Down Expand Up @@ -845,7 +848,7 @@
endif
%}
<details
id="Details-Mobile-{{ forloop.index }}-{{ section.id }}"
id="Details-Mobile-{{ filter.param_name | escape }}-{{ section.id }}"
class="mobile-facets__details js-filter"
data-index="mobile-{{ forloop.index }}"
>
Expand Down Expand Up @@ -959,6 +962,7 @@

{%- if enable_sorting -%}
<div
id="Details-Mobile-SortBy-{{ section.id }}"
class="mobile-facets__details js-filter{% if filter_type == 'drawer' %} medium-hide large-up-hide{% endif %}"
data-index="mobile-{{ forloop.index }}"
>
Expand Down