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Search resource cleanup and style tweak (#1434)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,200 +1,183 @@ | ||
| // Adapted from code by Matt Walters https://www.mattwalters.net/posts/2018-03-28-hugo-and-lunr/ | ||
|
|
||
| (function ($) { | ||
| 'use strict'; | ||
| 'use strict'; | ||
|
|
||
| $(document).ready(function () { | ||
| const $searchInput = $('.td-search input'); | ||
| $(document).ready(function () { | ||
| const $searchInput = $('.td-search input'); | ||
|
|
||
| // | ||
| // Register handler | ||
| // | ||
| // | ||
| // Register handler | ||
| // | ||
|
|
||
| $searchInput.on('change', (event) => { | ||
| render($(event.target)); | ||
| $searchInput.on('change', (event) => { | ||
| render($(event.target)); | ||
|
|
||
| // Hide keyboard on mobile browser | ||
| $searchInput.blur(); | ||
| }); | ||
| // Hide keyboard on mobile browser | ||
| $searchInput.blur(); | ||
| }); | ||
|
|
||
| // Prevent reloading page by enter key on sidebar search. | ||
| $searchInput.closest('form').on('submit', () => { | ||
| return false; | ||
| }); | ||
|
|
||
| // Prevent reloading page by enter key on sidebar search. | ||
| $searchInput.closest('form').on('submit', () => { | ||
| return false; | ||
| // | ||
| // Lunr | ||
| // | ||
|
|
||
| let idx = null; // Lunr index | ||
| const resultDetails = new Map(); // Will hold the data for the search results (titles and summaries) | ||
|
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||
| // Set up for an Ajax call to request the JSON data file that is created by Hugo's build process | ||
| $.ajax($searchInput.data('offline-search-index-json-src')).then((data) => { | ||
| idx = lunr(function () { | ||
| this.ref('ref'); | ||
|
|
||
| // If you added more searchable fields to the search index, list them here. | ||
| // Here you can specify searchable fields to the search index - e.g. individual toxonomies for you project | ||
| // With "boost" you can add weighting for specific (default weighting without boost: 1) | ||
| this.field('title', { boost: 5 }); | ||
| this.field('categories', { boost: 3 }); | ||
| this.field('tags', { boost: 3 }); | ||
| // this.field('projects', { boost: 3 }); // example for an individual toxonomy called projects | ||
| this.field('description', { boost: 2 }); | ||
| this.field('body'); | ||
|
|
||
| data.forEach((doc) => { | ||
| this.add(doc); | ||
|
|
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| resultDetails.set(doc.ref, { | ||
| title: doc.title, | ||
| excerpt: doc.excerpt, | ||
| }); | ||
| }); | ||
| }); | ||
|
|
||
| // | ||
| // Lunr | ||
| // | ||
|
|
||
| let idx = null; // Lunr index | ||
| const resultDetails = new Map(); // Will hold the data for the search results (titles and summaries) | ||
|
|
||
| // Set up for an Ajax call to request the JSON data file that is created by Hugo's build process | ||
| $.ajax($searchInput.data('offline-search-index-json-src')).then( | ||
| (data) => { | ||
| idx = lunr(function () { | ||
| this.ref('ref'); | ||
|
|
||
| // If you added more searchable fields to the search index, list them here. | ||
| // Here you can specify searchable fields to the search index - e.g. individual toxonomies for you project | ||
| // With "boost" you can add weighting for specific (default weighting without boost: 1) | ||
| this.field('title', { boost: 5 }); | ||
| this.field('categories', { boost: 3 }); | ||
| this.field('tags', { boost: 3 }); | ||
| // this.field('projects', { boost: 3 }); // example for an individual toxonomy called projects | ||
| this.field('description', { boost: 2 }); | ||
| this.field('body'); | ||
|
|
||
| data.forEach((doc) => { | ||
| this.add(doc); | ||
|
|
||
| resultDetails.set(doc.ref, { | ||
| title: doc.title, | ||
| excerpt: doc.excerpt, | ||
| }); | ||
| }); | ||
| }); | ||
|
|
||
| $searchInput.trigger('change'); | ||
| } | ||
| ); | ||
| $searchInput.trigger('change'); | ||
| }); | ||
|
|
||
| const render = ($targetSearchInput) => { | ||
| // | ||
| // Dispose existing popover | ||
| // | ||
|
|
||
| { | ||
| let popover = bootstrap.Popover.getInstance( | ||
| $targetSearchInput[0] | ||
| ); | ||
| if (popover !== null) { | ||
| popover.dispose(); | ||
| } | ||
| } | ||
|
|
||
| // | ||
| // Search | ||
| // | ||
|
|
||
| if (idx === null) { | ||
| return; | ||
| } | ||
|
|
||
| const searchQuery = $targetSearchInput.val(); | ||
| if (searchQuery === '') { | ||
| return; | ||
| } | ||
|
|
||
| const results = idx | ||
| .query((q) => { | ||
| const tokens = lunr.tokenizer(searchQuery.toLowerCase()); | ||
| tokens.forEach((token) => { | ||
| const queryString = token.toString(); | ||
| q.term(queryString, { | ||
| boost: 100, | ||
| }); | ||
| q.term(queryString, { | ||
| wildcard: | ||
| lunr.Query.wildcard.LEADING | | ||
| lunr.Query.wildcard.TRAILING, | ||
| boost: 10, | ||
| }); | ||
| q.term(queryString, { | ||
| editDistance: 2, | ||
| }); | ||
| }); | ||
| }) | ||
| .slice( | ||
| 0, | ||
| $targetSearchInput.data('offline-search-max-results') | ||
| ); | ||
|
|
||
| // | ||
| // Make result html | ||
| // | ||
|
|
||
| const $html = $('<div>'); | ||
|
|
||
| $html.append( | ||
| $('<div>') | ||
| .css({ | ||
| display: 'flex', | ||
| justifyContent: 'space-between', | ||
| marginBottom: '1em', | ||
| }) | ||
| .append( | ||
| $('<span>') | ||
| .text('Search results') | ||
| .css({ fontWeight: 'bold' }) | ||
| ) | ||
| .append( | ||
| $('<span>').addClass( | ||
| 'td-offline-search-results__close-button' | ||
| ) | ||
| ) | ||
| ); | ||
|
|
||
| const $searchResultBody = $('<div>').css({ | ||
| maxHeight: `calc(100vh - ${ | ||
| $targetSearchInput.offset().top - | ||
| $(window).scrollTop() + | ||
| 180 | ||
| }px)`, | ||
| overflowY: 'auto', | ||
| const render = ($targetSearchInput) => { | ||
| // | ||
| // Dispose existing popover | ||
| // | ||
|
|
||
| { | ||
| let popover = bootstrap.Popover.getInstance($targetSearchInput[0]); | ||
| if (popover !== null) { | ||
| popover.dispose(); | ||
| } | ||
| } | ||
|
|
||
| // | ||
| // Search | ||
| // | ||
|
|
||
| if (idx === null) { | ||
| return; | ||
| } | ||
|
|
||
| const searchQuery = $targetSearchInput.val(); | ||
| if (searchQuery === '') { | ||
| return; | ||
| } | ||
|
|
||
| const results = idx | ||
| .query((q) => { | ||
| const tokens = lunr.tokenizer(searchQuery.toLowerCase()); | ||
| tokens.forEach((token) => { | ||
| const queryString = token.toString(); | ||
| q.term(queryString, { | ||
| boost: 100, | ||
| }); | ||
| $html.append($searchResultBody); | ||
|
|
||
| if (results.length === 0) { | ||
| $searchResultBody.append( | ||
| $('<p>').text(`No results found for query "${searchQuery}"`) | ||
| ); | ||
| } else { | ||
| results.forEach((r) => { | ||
| const doc = resultDetails.get(r.ref); | ||
| const href = | ||
| $searchInput.data('offline-search-base-href') + | ||
| r.ref.replace(/^\//, ''); | ||
|
|
||
| const $entry = $('<div>').addClass('mt-4'); | ||
|
|
||
| $entry.append( | ||
| $('<small>').addClass('d-block text-muted').text(r.ref) | ||
| ); | ||
|
|
||
| $entry.append( | ||
| $('<a>') | ||
| .addClass('d-block') | ||
| .css({ | ||
| fontSize: '1.2rem', | ||
| }) | ||
| .attr('href', href) | ||
| .text(doc.title) | ||
| ); | ||
|
|
||
| $entry.append($('<p>').text(doc.excerpt)); | ||
|
|
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| $searchResultBody.append($entry); | ||
| }); | ||
| } | ||
|
|
||
| $targetSearchInput.one('shown.bs.popover', () => { | ||
| $('.td-offline-search-results__close-button').on( | ||
| 'click', | ||
| () => { | ||
| $targetSearchInput.val(''); | ||
| $targetSearchInput.trigger('change'); | ||
| } | ||
| ); | ||
| q.term(queryString, { | ||
| wildcard: | ||
| lunr.Query.wildcard.LEADING | lunr.Query.wildcard.TRAILING, | ||
| boost: 10, | ||
| }); | ||
|
|
||
| const popover = new bootstrap.Popover($targetSearchInput, { | ||
| content: $html[0], | ||
| html: true, | ||
| customClass: 'td-offline-search-results', | ||
| placement: 'bottom', | ||
| q.term(queryString, { | ||
| editDistance: 2, | ||
| }); | ||
| popover.show(); | ||
| }; | ||
| }); | ||
| }); | ||
| }) | ||
| .slice(0, $targetSearchInput.data('offline-search-max-results')); | ||
|
|
||
| // | ||
| // Make result html | ||
| // | ||
|
|
||
| const $html = $('<div>'); | ||
|
|
||
| $html.append( | ||
| $('<div>') | ||
| .css({ | ||
| display: 'flex', | ||
| justifyContent: 'space-between', | ||
| marginBottom: '1em', | ||
| }) | ||
| .append( | ||
| $('<span>').text('Search results').css({ fontWeight: 'bold' }) | ||
| ) | ||
| .append( | ||
| $('<span>').addClass('td-offline-search-results__close-button') | ||
| ) | ||
| ); | ||
|
|
||
| const $searchResultBody = $('<div>').css({ | ||
| maxHeight: `calc(100vh - ${ | ||
| $targetSearchInput.offset().top - $(window).scrollTop() + 180 | ||
| }px)`, | ||
| overflowY: 'auto', | ||
| }); | ||
| $html.append($searchResultBody); | ||
|
|
||
| if (results.length === 0) { | ||
| $searchResultBody.append( | ||
| $('<p>').text(`No results found for query "${searchQuery}"`) | ||
| ); | ||
| } else { | ||
| results.forEach((r) => { | ||
| const doc = resultDetails.get(r.ref); | ||
| const href = | ||
| $searchInput.data('offline-search-base-href') + | ||
| r.ref.replace(/^\//, ''); | ||
|
|
||
| const $entry = $('<div>').addClass('mt-4'); | ||
|
|
||
| $entry.append( | ||
| $('<small>').addClass('d-block text-muted').text(r.ref) | ||
| ); | ||
|
|
||
| $entry.append( | ||
| $('<a>') | ||
| .addClass('d-block') | ||
| .css({ | ||
| fontSize: '1.2rem', | ||
| }) | ||
| .attr('href', href) | ||
| .text(doc.title) | ||
| ); | ||
|
|
||
| $entry.append($('<p>').text(doc.excerpt)); | ||
|
|
||
| $searchResultBody.append($entry); | ||
| }); | ||
| } | ||
|
|
||
| $targetSearchInput.one('shown.bs.popover', () => { | ||
| $('.td-offline-search-results__close-button').on('click', () => { | ||
| $targetSearchInput.val(''); | ||
| $targetSearchInput.trigger('change'); | ||
| }); | ||
| }); | ||
|
|
||
| const popover = new bootstrap.Popover($targetSearchInput, { | ||
| content: $html[0], | ||
| html: true, | ||
| customClass: 'td-offline-search-results', | ||
| placement: 'bottom', | ||
| }); | ||
| popover.show(); | ||
| }; | ||
| }); | ||
| })(jQuery); |
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