95 lines
2.6 KiB
JavaScript
95 lines
2.6 KiB
JavaScript
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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// First retrieve the index file
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pagesIndex = searchjson;
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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 = new lunr.Index
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lunrIndex.ref("uri");
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lunrIndex.field('title', {
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boost: 15
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});
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lunrIndex.field('tags', {
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boost: 10
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});
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lunrIndex.field("content", {
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boost: 5
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});
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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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lunrIndex.add(page);
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});
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lunrIndex.pipeline.remove(lunrIndex.stemmer)
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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(query) {
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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(query).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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var scriptPath = document.currentScript.getAttribute("src");
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var depth = 0;
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while(scriptPath.indexOf("..") >= 0) {
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depth++;
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scriptPath = scriptPath.substr(scriptPath.indexOf("..") + 2);
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}
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$( document ).ready(function() {
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var horseyList = horsey($("#search-by").get(0), {
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suggestions: function (value, done) {
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var query = $("#search-by").val();
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var results = search(query);
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done(results);
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},
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filter: function (q, suggestion) {
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return true;
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},
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set: function (value) {
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var prefix = "";
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for(var i = 0; i < depth; i++) {
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prefix += "../";
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}
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if(!prefix) {
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prefix = "./"
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}
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location.href=prefix+value.uri.substr(1);
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},
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render: function (li, suggestion) {
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var uri = suggestion.uri.substring(1,suggestion.uri.length);
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suggestion.href = uri;
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var query = $("#search-by").val();
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var numWords = 2;
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var regex = new RegExp("(?:\\s?(?:[\\w]+)\\s?){0,"+numWords+"}"+query+"(?:\\s?(?:[\\w]+)\\s?){0,"+numWords+"}", "i");
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var text = suggestion.content.match(regex);
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suggestion.context = text;
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var image = '<div>' + '» ' + suggestion.title + '</div><div style="font-size:12px">' + (suggestion.context || '') +'</div>';
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li.innerHTML = image;
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},
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limit: 10
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});
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horseyList.refreshPosition();
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});
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