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Lazy-load InstantSearch scripts and stylesheets (mmistakes#3691)
* Lazy-load InstantSearch scripts and stylesheets * Replace outdated script parts
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<!-- Including InstantSearch.js library and styling --> | ||
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/instantsearch.min.js"></script> | ||
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/[email protected]/dist/instantsearch.min.css"> | ||
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/[email protected]/dist/instantsearch-theme-algolia.min.css"> | ||
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<script> | ||
// Instanciating InstantSearch.js with Algolia credentials | ||
const search = instantsearch({ | ||
appId: '{{ site.algolia.application_id }}', | ||
apiKey: '{{ site.algolia.search_only_api_key }}', | ||
indexName: '{{ site.algolia.index_name }}', | ||
searchParameters: { | ||
restrictSearchableAttributes: [ | ||
'title', | ||
'content' | ||
] | ||
} | ||
}); | ||
// Including InstantSearch.js library and styling | ||
const loadSearch = function() { | ||
const loadCSS = function(src) { | ||
var link = document.createElement('link'); | ||
link.rel = 'stylesheet'; | ||
link.type = 'text/css'; | ||
link.href = src; | ||
link.media = 'all'; | ||
document.head.appendChild(link); | ||
}; | ||
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var script = document.createElement('script'); | ||
script.setAttribute("type", "text/javascript"); | ||
script.setAttribute("src", "https://cdn.jsdelivr.net/npm/[email protected]/dist/instantsearch.min.js"); | ||
script.addEventListener("load", function() { | ||
// Instantiating InstantSearch.js with Algolia credentials | ||
const search = instantsearch({ | ||
appId: '{{ site.algolia.application_id }}', | ||
apiKey: '{{ site.algolia.search_only_api_key }}', | ||
indexName: '{{ site.algolia.index_name }}', | ||
searchParameters: { | ||
restrictSearchableAttributes: ['title', 'content'] | ||
} | ||
}); | ||
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const hitTemplate = function(hit) { | ||
const url = hit.url; | ||
const hightlight = hit._highlightResult; | ||
const title = hightlight.title && hightlight.title.value || ""; | ||
const content = hightlight.html && hightlight.html.value || ""; | ||
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return ` | ||
<div class="list__item"> | ||
<article class="archive__item" itemscope itemtype="https://schema.org/CreativeWork"> | ||
<h2 class="archive__item-title" itemprop="headline"><a href="{{ site.baseurl }}${url}">${title}</a></h2> | ||
<div class="archive__item-excerpt" itemprop="description">${content}</div> | ||
</article> | ||
</div> | ||
`; | ||
} | ||
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const hitTemplate = function(hit) { | ||
const url = hit.url; | ||
const hightlight = hit._highlightResult; | ||
const title = hightlight.title && hightlight.title.value || ""; | ||
const content = hightlight.html && hightlight.html.value || ""; | ||
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return ` | ||
<div class="list__item"> | ||
<article class="archive__item" itemscope itemtype="https://schema.org/CreativeWork"> | ||
<h2 class="archive__item-title" itemprop="headline"><a href="{{ site.baseurl }}${url}">${title}</a></h2> | ||
<div class="archive__item-excerpt" itemprop="description">${content}</div> | ||
</article> | ||
</div> | ||
`; | ||
} | ||
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// Adding searchbar and results widgets | ||
search.addWidget( | ||
instantsearch.widgets.searchBox({ | ||
container: '.search-searchbar', | ||
{% unless site.algolia.powered_by == false %}poweredBy: true,{% endunless %} | ||
placeholder: '{{ site.data.ui-text[site.locale].search_placeholder_text | default: "Enter your search term..." }}' | ||
}) | ||
); | ||
search.addWidget( | ||
instantsearch.widgets.hits({ | ||
container: '.search-hits', | ||
templates: { | ||
item: hitTemplate, | ||
empty: '{{ site.data.ui-text[site.locale].search_algolia_no_results | default: "No results" }}', | ||
// Adding searchbar and results widgets | ||
search.addWidget( | ||
instantsearch.widgets.searchBox({ | ||
container: '.search-searchbar', | ||
{% unless site.algolia.powered_by == false %}poweredBy: true,{% endunless %} | ||
placeholder: '{{ site.data.ui-text[site.locale].search_placeholder_text | default: "Enter your search term..." }}' | ||
}) | ||
); | ||
search.addWidget( | ||
instantsearch.widgets.hits({ | ||
container: '.search-hits', | ||
templates: { | ||
item: hitTemplate, | ||
empty: '{{ site.data.ui-text[site.locale].search_algolia_no_results | default: "No results" }}', | ||
} | ||
}) | ||
); | ||
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if (!search.started) { | ||
search.start(); | ||
} | ||
}) | ||
); | ||
}); | ||
document.body.appendChild(script); | ||
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loadCSS("https://cdn.jsdelivr.net/npm/[email protected]/dist/instantsearch.min.css"); | ||
loadCSS("https://cdn.jsdelivr.net/npm/[email protected]/dist/instantsearch-theme-algolia.min.css"); | ||
}; | ||
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// Starting the search only when toggle is clicked | ||
$(document).ready(function () { | ||
$(document).ready(function() { | ||
var scriptLoaded = false; | ||
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$(".search__toggle").on("click", function() { | ||
if(!search.started) { | ||
search.start(); | ||
if (!scriptLoaded) { | ||
loadSearch(); | ||
scriptLoaded = true; | ||
} | ||
}); | ||
}); | ||
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