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(function() {
function displaySearchResults(results, store) {
var searchResults = document.getElementById('search-results');
if (results.length) { // Are there any results?
var appendString = '';
for (var i = 0; i < results.length; i++) { // Iterate over the results
var item = store[results[i].ref];
appendString += '<li><a href="' + item.url + '"><h3>' + item.title + '</h3></a>';
appendString += '<p>' + item.content.substring(0, 100) + '...</p></li>';
}
searchResults.innerHTML = appendString;
} else {
searchResults.innerHTML = '<li>No results found</li>';
}
}
function getQueryVariable(variable) {
var query = window.location.search.substring(1);
var vars = query.split('&');
for (var i = 0; i < vars.length; i++) {
var pair = vars[i].split('=');
if (pair[0] === variable) {
return decodeURIComponent(pair[1].replace(/\+/g, '%20'));
}
}
}
var searchTerm = getQueryVariable('query');
if (searchTerm) {
document.getElementById('search-box').setAttribute("value", searchTerm);
var idx = lunr(function () {
this.field('id');
this.field('title', { boost: 10 }); // hits in title get a boost
this.field('author');
this.field('content');
});
for (var key in window.store) { // Add the data to lunr
var author = (typeof window.store[key].author === 'undefined') ? "" : window.store[key].author;
idx.add({
'id': key,
'title': window.store[key].title,
'author': author,
'content': window.store[key].content
});
var results = idx.search(searchTerm); // Get lunr to perform a search
displaySearchResults(results, window.store); // We'll write this in the next section
}
}
})();
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