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$(function(){
var $typeahead = $('[data-typeahead]');
var $form = $typeahead.parents('form');
var searchURL = $form.attr('action');
function displayTemplate(result) {
return result.name;
}
function suggestionTemplate(result) {
var t = '<div class="list-group-item clearfix">';
t += '<span class="doc-name">' + result.name + '</span>';
if (result.parent_name) {
t += '<span class="doc-parent-name label">' + result.parent_name + '</span>';
}
t += '</div>';
return t;
}
$typeahead.one('focus', function() {
$form.addClass('loading');
$.getJSON(searchURL).then(function(searchData) {
const searchIndex = lunr(function() {
this.ref('url');
this.field('name');
this.field('abstract');
for (const [url, doc] of Object.entries(searchData)) {
this.add({url: url, name: doc.name, abstract: doc.abstract});
}
});
$typeahead.typeahead(
{
highlight: true,
minLength: 3,
autoselect: true
},
{
limit: 10,
display: displayTemplate,
templates: { suggestion: suggestionTemplate },
source: function(query, sync) {
const lcSearch = query.toLowerCase();
const results = searchIndex.query(function(q) {
q.term(lcSearch, { boost: 100 });
q.term(lcSearch, {
boost: 10,
wildcard: lunr.Query.wildcard.TRAILING
});
}).map(function(result) {
var doc = searchData[result.ref];
doc.url = result.ref;
return doc;
});
sync(results);
}
}
);
$form.removeClass('loading');
$typeahead.trigger('focus');
});
});
var baseURL = searchURL.slice(0, -"search.json".length);
$typeahead.on('typeahead:select', function(e, result) {
window.location = baseURL + result.url;
});
});
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