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Replace library from Fuse to lunr #5
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4 changed files with 3511 additions and 29 deletions
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@ -22,6 +22,6 @@
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{{ partial "footer.html" . }}
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<script src="/js/jquery-3.3.1.min.js"></script>
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<script src="/js/jquery.mark.es6.min.js"></script>
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<script src="/js/fuse.min.js"></script>
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<script src="/js/lunr.js"></script>
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<script src="/js/search.js"></script>
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{{ end }}
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9
static/js/fuse.min.js
vendored
9
static/js/fuse.min.js
vendored
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3471
static/js/lunr.js
Executable file
3471
static/js/lunr.js
Executable file
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Load diff
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@ -1,25 +1,42 @@
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var fuse
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var lunrIndex
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var lunrResult
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var pagesIndex
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/**
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* Preparation for searching
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* Preparation for using lunr.js
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*/
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function initSearch () {
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function initLunr () {
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$.getJSON('index.json').done(function (index) {
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var options = {
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shouldSort: true,
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tokenize: true,
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matchAllTokens: true,
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threshold: 0.3,
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minMatchCharLength: 5,
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keys: ['title', 'body']
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pagesIndex = index
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lunrIndex = lunr(function () {
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this.ref('ref')
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this.field('title', { boost: 10 })
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this.field('body')
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this.metadataWhitelist = ['position']
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for (var page of pagesIndex) {
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this.add(page)
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}
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fuse = new Fuse(index, options)
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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 flie:', err)
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})
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}
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/**
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* Searching pages using lunr
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* @param {String} query Query string for searching
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* @return {Object[]} Array of search results
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*/
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function search (query) {
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lunrResult = lunrIndex.search(query)
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return lunrResult.map(function (result) {
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return pagesIndex.filter(function (page) {
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return page.ref === result.ref
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})[0]
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})
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}
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/**
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* Setup UI for Search
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*/
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@ -33,7 +50,7 @@ function initUI () {
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// Event when chenging query
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$('#searchBoxInput').keyup(function () {
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var $searchResults = $('#searchResults')
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var query = $(this).val().trim()
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var query = $(this).val()
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// Icon switching
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if (query.length) {
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@ -51,7 +68,7 @@ function initUI () {
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}
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// Display search results
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renderResults(fuse.search(query))
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renderResults(search(query))
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$searchResults.show()
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})
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@ -66,7 +83,7 @@ function initUI () {
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function renderResults (results) {
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var $searchResults = $('#searchResults')
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var query = $('#searchBoxInput').val()
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var SUMMARY_INCLUDE = 50
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var BODY_LENGTH = 100
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var MAX_PAGES = 10
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// Clear search result
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@ -81,10 +98,13 @@ function renderResults (results) {
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// Only show the ten first results
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results.slice(0, MAX_PAGES).forEach(function (result, idx) {
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var $searchResultPage = $('<div class="searchResultPage">')
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var matchPosition = result.body.indexOf(query.split(' ')[0])
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var bodyStartPosition = matchPosition - SUMMARY_INCLUDE > 0 ? matchPosition - SUMMARY_INCLUDE : 0
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var metadata = lunrResult[idx].matchData.metadata
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var matchPosition = metadata[Object.keys(metadata)[0]].body ? metadata[Object.keys(metadata)[0]].body.position[0][0] : 0
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var bodyStartPosition = (matchPosition - (BODY_LENGTH / 2) > 0) ? matchPosition - (BODY_LENGTH / 2) : 0
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$searchResultPage.append('<a class="searchResultTitle" href="' + result.ref + '">' + result.title + '</a>')
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$searchResultPage.append('<div class="searchResultBody">' + result.body.substr(bodyStartPosition, SUMMARY_INCLUDE * 2) + '</div>')
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$searchResultPage.append('<div class="searchResultBody">' + result.body.substr(bodyStartPosition, BODY_LENGTH) + '</div>')
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$searchResults.append($searchResultPage)
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// Highlight keyword
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@ -92,7 +112,7 @@ function renderResults (results) {
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})
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}
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initSearch()
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initLunr()
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$(function () {
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initUI()
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