hugo-theme-next/assets/js/third-party/search/algolia.js
2022-10-05 22:56:13 +08:00

144 lines
4.4 KiB
JavaScript

/* global instantsearch, algoliasearch, CONFIG, pjax */
document.addEventListener('DOMContentLoaded', () => {
const algoiajs = NexT.utils.getCDNResource(NexT.CONFIG.algolia.js);
const instantschjs = NexT.utils.getCDNResource(NexT.CONFIG.algolia.instantjs);
NexT.utils.getScript(algoiajs, {});
NexT.utils.getScript(instantschjs, {}).then(() => {
const { indexname, appid, apikey, hits } = NexT.CONFIG.algolia.cfg;
const indexName = indexname;
const search = instantsearch({
indexName,
searchClient: algoliasearch(appid, apikey),
searchFunction: helper => {
if (document.querySelector('.search-input').value) {
helper.search();
}
}
});
const markKeyWords = function(content) {
return content.replaceAll("<mark>", '<mark class="search-keyword">');
};
if (typeof pjax === 'object') {
search.on('render', () => {
pjax.refresh(document.querySelector('.algolia-hits'));
});
}
// Registering Widgets
search.addWidgets([
instantsearch.widgets.configure({
hitsPerPage: hits.perpage || 10
}),
instantsearch.widgets.searchBox({
container: '.search-input-container',
placeholder: NexT.CONFIG.i18n.placeholder,
// Hide default icons of algolia search
showReset: false,
showSubmit: false,
showLoadingIndicator: true,
cssClasses: {
input: 'search-input'
}
}),
instantsearch.widgets.stats({
container: '.algolia-stats',
templates: {
text: data => {
const stats = NexT.CONFIG.i18n.hits_time
.replace('${hits}', data.nbHits)
.replace('${time}', data.processingTimeMS);
return `${stats}`;
}
},
cssClasses: {
text: 'search-stats'
}
}),
instantsearch.widgets.hits({
container: '.algolia-hits',
escapeHTML: true,
templates: {
item: data => {
const { title, content } = data._highlightResult;
let result = `<a href="${data.permalink}" class="search-result-title">${markKeyWords(title.value)}</a>`;
//const content = excerpt || excerptStrip || content;
if (content && content.value) {
const div = document.createElement('div');
div.innerHTML = markKeyWords(content.value);
result += `<a href="${data.permalink}"><p class="search-result">${div.innerHTML.substring(0, 200)}...</p></a>`;
}
return result;
},
empty: data => {
return `<div class="algolia-hits-empty">
${NexT.CONFIG.i18n.empty.replace('${query}', data.query)}
</div>`;
}
},
cssClasses: {
list: 'search-result-list'
}
}),
instantsearch.widgets.pagination({
container: '.algolia-pagination',
scrollTo: false,
showFirst: true,
showLast: true,
templates: {
first: '<i class="fa fa-angle-double-left"></i>',
last: '<i class="fa fa-angle-double-right"></i>',
previous: '<i class="fa fa-angle-left"></i>',
next: '<i class="fa fa-angle-right"></i>'
},
cssClasses: {
list: ['pagination', 'algolia-pagination'],
item: 'pagination-item',
link: 'page-number',
selectedItem: 'current',
disabledItem: 'disabled-item'
}
})
]);
search.start();
// Handle and trigger popup window
document.querySelectorAll('.popup-trigger').forEach(element => {
element.addEventListener('click', () => {
document.body.classList.add('search-active');
setTimeout(() => document.querySelector('.search-input').focus(), 500);
});
});
// Monitor main search box
const onPopupClose = () => {
document.body.classList.remove('search-active');
};
document.querySelector('.search-pop-overlay').addEventListener('click', event => {
if (event.target === document.querySelector('.search-pop-overlay')) {
onPopupClose();
}
});
document.querySelector('.popup-btn-close').addEventListener('click', onPopupClose);
document.addEventListener('pjax:success', onPopupClose);
window.addEventListener('keyup', event => {
if (event.key === 'Escape') {
onPopupClose();
}
});
});;
});