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96 lines
3.4 KiB
96 lines
3.4 KiB
var lunrIndex, pagesIndex;
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function endsWith(str, suffix) {
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return str.indexOf(suffix, str.length - suffix.length) !== -1;
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}
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// Initialize lunrjs using our generated index file
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function initLunr() {
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if (!endsWith(baseurl,"/")){
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baseurl = baseurl+'/'
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};
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// First retrieve the index file
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$.getJSON(baseurl +"index.json")
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.done(function(index) {
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pagesIndex = index;
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// Set up lunrjs by declaring the fields we use
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// Also provide their boost level for the ranking
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lunrIndex = lunr(function() {
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this.ref("uri");
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this.field('title', {
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boost: 15
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});
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this.field('tags', {
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boost: 10
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});
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this.field("content", {
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boost: 5
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});
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this.pipeline.remove(lunr.stemmer);
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this.searchPipeline.remove(lunr.stemmer);
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// Feed lunr with each file and let lunr actually index them
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pagesIndex.forEach(function(page) {
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this.add(page);
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}, this);
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})
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})
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.fail(function(jqxhr, textStatus, error) {
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var err = textStatus + ", " + error;
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console.error("Error getting Hugo index file:", err);
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});
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}
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/**
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* Trigger a search in lunr and transform the result
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*
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* @param {String} query
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* @return {Array} results
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*/
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function search(queryTerm) {
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// Find the item in our index corresponding to the lunr one to have more info
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return lunrIndex.search(queryTerm+"^100"+" "+queryTerm+"*^10"+" "+"*"+queryTerm+"^10"+" "+queryTerm+"~2^1").map(function(result) {
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return pagesIndex.filter(function(page) {
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return page.uri === result.ref;
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})[0];
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});
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}
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// Let's get started
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initLunr();
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$( document ).ready(function() {
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var searchList = new autoComplete({
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/* selector for the search box element */
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selector: $("#search-by").get(0),
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/* source is the callback to perform the search */
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source: function(term, response) {
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response(search(term));
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},
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/* renderItem displays individual search results */
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renderItem: function(item, term) {
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var numContextWords = 2;
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var text = item.content.match(
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"(?:\\s?(?:[\\w]+)\\s?){0,"+numContextWords+"}" +
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term+"(?:\\s?(?:[\\w]+)\\s?){0,"+numContextWords+"}");
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item.context = text;
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var divcontext = document.createElement("div");
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divcontext.className = "context";
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divcontext.innerText = (item.context || '');
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var divsuggestion = document.createElement("div");
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divsuggestion.className = "autocomplete-suggestion";
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divsuggestion.setAttribute("data-term", term);
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divsuggestion.setAttribute("data-title", item.title);
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divsuggestion.setAttribute("data-uri", item.uri);
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divsuggestion.setAttribute("data-context", item.context);
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divsuggestion.innerText = '» ' + item.title;
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divsuggestion.appendChild(divcontext);
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return divsuggestion.outerHTML;
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},
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/* onSelect callback fires when a search suggestion is chosen */
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onSelect: function(e, term, item) {
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location.href = item.getAttribute('data-uri');
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}
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});
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});
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