mirror of
https://github.com/tjtanjin/QuickTax.git
synced 2024-12-01 07:33:22 +01:00
105 lines
2.9 KiB
JavaScript
105 lines
2.9 KiB
JavaScript
(function () {
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function getQueryVariable(variable) {
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var query = window.location.search.substring(1),
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vars = query.split("&");
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for (var i = 0; i < vars.length; i++) {
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var pair = vars[i].split("=");
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if (pair[0] === variable) {
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return decodeURIComponent(pair[1].replace(/\+/g, '%20')).trim();
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}
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}
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}
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function getPreview(query, content, previewLength) {
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previewLength = previewLength || (content.length * 2);
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var parts = query.split(" "),
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match = content.toLowerCase().indexOf(query.toLowerCase()),
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matchLength = query.length,
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preview;
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// Find a relevant location in content
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for (var i = 0; i < parts.length; i++) {
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if (match >= 0) {
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break;
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}
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match = content.toLowerCase().indexOf(parts[i].toLowerCase());
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matchLength = parts[i].length;
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}
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// Create preview
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if (match >= 0) {
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var start = match - (previewLength / 2),
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end = start > 0 ? match + matchLength + (previewLength / 2) : previewLength;
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preview = content.substring(start, end).trim();
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if (start > 0) {
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preview = "..." + preview;
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}
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if (end < content.length) {
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preview = preview + "...";
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}
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// Highlight query parts
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preview = preview.replace(new RegExp("(" + parts.join("|") + ")", "gi"), "<strong>$1</strong>");
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} else {
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// Use start of content if no match found
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preview = content.substring(0, previewLength).trim() + (content.length > previewLength ? "..." : "");
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}
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return preview;
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}
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function displaySearchResults(results, query) {
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var searchResultsEl = document.getElementById("search-results"),
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searchProcessEl = document.getElementById("search-process");
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if (results.length) {
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var resultsHTML = "";
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results.forEach(function (result) {
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var item = window.data[result.ref]
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if (item.title) {
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contentPreview = getPreview(query, item.content, 170),
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titlePreview = getPreview(query, item.title);
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resultsHTML += "<li><h4><a href='/quicktax" + item.url.trim() + "'>" + titlePreview + "</a></h4><p><small>" + contentPreview + "</small></p></li>";
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}
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});
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searchResultsEl.innerHTML = resultsHTML;
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searchProcessEl.innerText = "Showing";
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} else {
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searchResultsEl.style.display = "none";
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searchProcessEl.innerText = "No";
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}
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}
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window.index = lunr(function () {
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this.field("id");
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this.field("title", {boost: 10});
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this.field("categories");
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this.field("url");
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this.field("content");
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});
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var query = decodeURIComponent((getQueryVariable("q") || "").replace(/\+/g, "%20")),
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searchQueryContainerEl = document.getElementById("search-query-container"),
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searchQueryEl = document.getElementById("search-query");
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searchQueryEl.innerText = query;
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if (query != ""){
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searchQueryContainerEl.style.display = "inline";
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}
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for (var key in window.data) {
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window.index.add(window.data[key]);
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}
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displaySearchResults(window.index.search(query), query); // Hand the results off to be displayed
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})();
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