mirror of
https://gitee.com/docsifyjs/docsify.git
synced 2024-12-04 13:09:14 +08:00
297 lines
8.4 KiB
JavaScript
297 lines
8.4 KiB
JavaScript
this.D = this.D || {};
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(function () {
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'use strict';
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var INDEXS = {};
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var helper;
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function escapeHtml (string) {
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var entityMap = {
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'&': '&',
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'<': '<',
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'>': '>',
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'"': '"',
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'\'': ''',
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'/': '/'
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};
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return String(string).replace(/[&<>"'\/]/g, function (s) { return entityMap[s]; })
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}
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function getAllPaths (router) {
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var paths = [];
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helper.dom.findAll('a:not([data-nosearch])')
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.map(function (node) {
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var href = node.href;
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var originHref = node.getAttribute('href');
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var path = router.parse(href).path;
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if (path &&
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paths.indexOf(path) === -1 &&
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!Docsify.util.isAbsolutePath(originHref)) {
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paths.push(path);
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}
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});
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return paths
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}
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function saveData (maxAge) {
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localStorage.setItem('docsify.search.expires', Date.now() + maxAge);
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localStorage.setItem('docsify.search.index', JSON.stringify(INDEXS));
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}
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function genIndex (path, content, router) {
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if ( content === void 0 ) content = '';
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var tokens = window.marked.lexer(content);
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var slugify = window.Docsify.slugify;
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var index = {};
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var slug;
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tokens.forEach(function (token) {
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if (token.type === 'heading' && token.depth <= 2) {
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slug = router.toURL(path, { id: slugify(token.text) });
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index[slug] = { slug: slug, title: token.text, body: '' };
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} else {
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if (!slug) { return }
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if (!index[slug]) {
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index[slug] = { slug: slug, title: '', body: '' };
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} else {
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if (index[slug].body) {
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index[slug].body += '\n' + (token.text || '');
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} else {
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index[slug].body = token.text;
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}
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}
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}
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});
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slugify.clear();
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return index
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}
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function search (keywords) {
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var matchingResults = [];
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var data = [];
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Object.keys(INDEXS).forEach(function (key) {
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data = data.concat(Object.keys(INDEXS[key]).map(function (page) { return INDEXS[key][page]; }));
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});
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keywords = [].concat(keywords, keywords.trim().split(/[\s\-\，\\/]+/));
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var loop = function ( i ) {
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var post = data[i];
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var isMatch = false;
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var resultStr = '';
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var postTitle = post.title && post.title.trim();
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var postContent = post.body && post.body.trim();
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var postUrl = post.slug || '';
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if (postTitle && postContent) {
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keywords.forEach(function (keyword, i) {
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var regEx = new RegExp(keyword, 'gi');
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var indexTitle = -1;
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var indexContent = -1;
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indexTitle = postTitle && postTitle.search(regEx);
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indexContent = postContent && postContent.search(regEx);
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if (indexTitle < 0 && indexContent < 0) {
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isMatch = false;
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} else {
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isMatch = true;
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if (indexContent < 0) { indexContent = 0; }
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var start = 0;
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var end = 0;
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start = indexContent < 11 ? 0 : indexContent - 10;
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end = start === 0 ? 70 : indexContent + keyword.length + 60;
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if (end > postContent.length) { end = postContent.length; }
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var matchContent = '...' +
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escapeHtml(postContent)
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.substring(start, end)
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.replace(regEx, ("<em class=\"search-keyword\">" + keyword + "</em>")) +
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'...';
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resultStr += matchContent;
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}
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});
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if (isMatch) {
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var matchingPost = {
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title: escapeHtml(postTitle),
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content: resultStr,
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url: postUrl
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};
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matchingResults.push(matchingPost);
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}
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}
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};
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for (var i = 0; i < data.length; i++) loop( i );
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return matchingResults
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}
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function init$1 (config, vm) {
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helper = Docsify;
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var isAuto = config.paths === 'auto';
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var isExpired = localStorage.getItem('docsify.search.expires') < Date.now();
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INDEXS = JSON.parse(localStorage.getItem('docsify.search.index'));
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if (isExpired) {
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INDEXS = {};
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} else if (!isAuto) {
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return
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}
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var paths = isAuto ? getAllPaths(vm.router) : config.paths;
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var len = paths.length;
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var count = 0;
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paths.forEach(function (path) {
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if (INDEXS[path]) { return count++ }
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helper
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.get(vm.router.getFile(path))
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.then(function (result) {
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INDEXS[path] = genIndex(path, result, vm.router);
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len === ++count && saveData(config.maxAge);
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});
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});
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}
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var NO_DATA_TEXT = '';
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function style () {
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var code = "\n.sidebar {\n padding-top: 0;\n}\n\n.search {\n margin-bottom: 20px;\n padding: 6px;\n border-bottom: 1px solid #eee;\n}\n\n.search .results-panel {\n display: none;\n}\n\n.search .results-panel.show {\n display: block;\n}\n\n.search input {\n outline: none;\n border: none;\n width: 100%;\n padding: 7px;\n line-height: 22px;\n font-size: 14px;\n -webkit-appearance: none;\n -moz-appearance: none;\n appearance: none;\n}\n\n.search h2 {\n font-size: 17px;\n margin: 10px 0;\n}\n\n.search a {\n text-decoration: none;\n color: inherit;\n}\n\n.search .matching-post {\n border-bottom: 1px solid #eee;\n}\n\n.search .matching-post:last-child {\n border-bottom: 0;\n}\n\n.search p {\n font-size: 14px;\n overflow: hidden;\n text-overflow: ellipsis;\n display: -webkit-box;\n -webkit-line-clamp: 2;\n -webkit-box-orient: vertical;\n}\n\n.search p.empty {\n text-align: center;\n}";
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var style = Docsify.dom.create('style', code);
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Docsify.dom.appendTo(Docsify.dom.head, style);
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}
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function tpl (opts, defaultValue) {
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if ( defaultValue === void 0 ) defaultValue = '';
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var html =
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"<input type=\"search\" value=\"" + defaultValue + "\" />" +
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'<div class="results-panel"></div>' +
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'</div>';
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var el = Docsify.dom.create('div', html);
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var aside = Docsify.dom.find('aside');
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Docsify.dom.toggleClass(el, 'search');
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Docsify.dom.before(aside, el);
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}
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function doSearch (value) {
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var $search = Docsify.dom.find('div.search');
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var $panel = Docsify.dom.find($search, '.results-panel');
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if (!value) {
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$panel.classList.remove('show');
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$panel.innerHTML = '';
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return
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}
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var matchs = search(value);
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var html = '';
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matchs.forEach(function (post) {
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html += "<div class=\"matching-post\">\n<h2><a href=\"" + (post.url) + "\">" + (post.title) + "</a></h2>\n<p>" + (post.content) + "</p>\n</div>";
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});
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$panel.classList.add('show');
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$panel.innerHTML = html || ("<p class=\"empty\">" + NO_DATA_TEXT + "</p>");
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}
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function bindEvents () {
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var $search = Docsify.dom.find('div.search');
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var $input = Docsify.dom.find($search, 'input');
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var timeId;
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// Prevent to Fold sidebar
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Docsify.dom.on($search, 'click',
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function (e) { return e.target.tagName !== 'A' && e.stopPropagation(); });
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Docsify.dom.on($input, 'input', function (e) {
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clearTimeout(timeId);
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timeId = setTimeout(function (_) { return doSearch(e.target.value.trim()); }, 100);
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});
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}
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function updatePlaceholder (text, path) {
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var $input = Docsify.dom.getNode('.search input[type="search"]');
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if (!$input) { return }
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if (typeof text === 'string') {
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$input.placeholder = text;
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} else {
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var match = Object.keys(text).filter(function (key) { return path.indexOf(key) > -1; })[0];
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$input.placeholder = text[match];
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}
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}
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function updateNoData (text, path) {
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if (typeof text === 'string') {
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NO_DATA_TEXT = text;
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} else {
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var match = Object.keys(text).filter(function (key) { return path.indexOf(key) > -1; })[0];
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NO_DATA_TEXT = text[match];
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}
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}
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function init$$1 (opts, vm) {
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var keywords = vm.router.parse().query.s;
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style();
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tpl(opts, keywords);
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bindEvents();
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keywords && setTimeout(function (_) { return doSearch(keywords); }, 500);
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}
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function update (opts, vm) {
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updatePlaceholder(opts.placeholder, vm.route.path);
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updateNoData(opts.noData, vm.route.path);
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}
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var CONFIG = {
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placeholder: 'Type to search',
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noData: 'No Results!',
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paths: 'auto',
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maxAge: 86400000 // 1 day
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};
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var install = function (hook, vm) {
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var util = Docsify.util;
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var opts = vm.config.search || CONFIG;
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if (Array.isArray(opts)) {
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CONFIG.paths = opts;
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} else if (typeof opts === 'object') {
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CONFIG.paths = Array.isArray(opts.paths) ? opts.paths : 'auto';
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CONFIG.maxAge = util.isPrimitive(opts.maxAge) ? opts.maxAge : CONFIG.maxAge;
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CONFIG.placeholder = opts.placeholder || CONFIG.placeholder;
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CONFIG.noData = opts.noData || CONFIG.noData;
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}
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var isAuto = CONFIG.paths === 'auto';
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hook.mounted(function (_) {
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init$$1(CONFIG, vm);
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!isAuto && init$1(CONFIG, vm);
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});
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hook.doneEach(function (_) {
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update(CONFIG, vm);
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isAuto && init$1(CONFIG, vm);
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});
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};
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$docsify.plugins = [].concat(install, $docsify.plugins);
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}());
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