fix: fixed bug where search path was null
This commit is contained in:
XPoet
parent
51ccaa3dda
commit
324e609079
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@ -1,297 +1,298 @@
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/* global CONFIG */
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/* global CONFIG */
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window.addEventListener('DOMContentLoaded', () => {
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window.addEventListener('DOMContentLoaded', () => {
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// Popup Window
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// Popup Window
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let isfetched = false;
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let isfetched = false;
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let datas;
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let datas;
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let isXml = true;
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let isXml = true;
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// Search DB path
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// Search DB path
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let searchPath = CONFIG.path;
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let searchPath = CONFIG.path;
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if (searchPath.length === 0) {
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if (!searchPath) return false;
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searchPath = 'search.xml';
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if (searchPath.length === 0) {
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} else if (searchPath.endsWith('json')) {
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searchPath = 'search.xml';
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isXml = false;
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} else if (searchPath.endsWith('json')) {
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isXml = false;
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}
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const input = document.querySelector('.search-input');
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const resultContent = document.getElementById('search-result');
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// Ref: https://github.com/ForbesLindesay/unescape-html
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const unescapeHtml = html => {
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return String(html)
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.replace(/"/g, '"')
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.replace(/'/g, '\'')
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.replace(/:/g, ':')
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// Replace all the other &#x; chars
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.replace(/&#(\d+);/g, (m, p) => {
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return String.fromCharCode(p);
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})
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.replace(/</g, '<')
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.replace(/>/g, '>')
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.replace(/&/g, '&');
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};
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const getIndexByWord = (word, text, caseSensitive) => {
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let wordLen = word.length;
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if (wordLen === 0) return [];
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let startPosition = 0;
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let position = [];
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let index = [];
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if (!caseSensitive) {
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text = text.toLowerCase();
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word = word.toLowerCase();
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}
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}
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const input = document.querySelector('.search-input');
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while ((position = text.indexOf(word, startPosition)) > -1) {
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const resultContent = document.getElementById('search-result');
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index.push({position, word});
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startPosition = position + wordLen;
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}
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return index;
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};
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// Ref: https://github.com/ForbesLindesay/unescape-html
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// Merge hits into slices
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const unescapeHtml = html => {
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const mergeIntoSlice = (start, end, index, searchText) => {
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return String(html)
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let item = index[index.length - 1];
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.replace(/"/g, '"')
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let {position, word} = item;
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.replace(/'/g, '\'')
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let hits = [];
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.replace(/:/g, ':')
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let searchTextCountInSlice = 0;
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// Replace all the other &#x; chars
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while (position + word.length <= end && index.length !== 0) {
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.replace(/&#(\d+);/g, (m, p) => {
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if (word === searchText) {
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return String.fromCharCode(p);
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searchTextCountInSlice++;
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})
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}
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.replace(/</g, '<')
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hits.push({
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.replace(/>/g, '>')
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position,
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.replace(/&/g, '&');
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length: word.length
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};
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});
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let wordEnd = position + word.length;
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const getIndexByWord = (word, text, caseSensitive) => {
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// Move to next position of hit
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let wordLen = word.length;
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index.pop();
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if (wordLen === 0) return [];
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while (index.length !== 0) {
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let startPosition = 0;
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item = index[index.length - 1];
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let position = [];
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position = item.position;
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let index = [];
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word = item.word;
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if (!caseSensitive) {
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if (wordEnd > position) {
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text = text.toLowerCase();
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index.pop();
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word = word.toLowerCase();
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}
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while ((position = text.indexOf(word, startPosition)) > -1) {
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index.push({position, word});
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startPosition = position + wordLen;
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}
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return index;
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};
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// Merge hits into slices
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const mergeIntoSlice = (start, end, index, searchText) => {
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let item = index[index.length - 1];
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let {position, word} = item;
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let hits = [];
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let searchTextCountInSlice = 0;
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while (position + word.length <= end && index.length !== 0) {
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if (word === searchText) {
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searchTextCountInSlice++;
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}
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hits.push({
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position,
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length: word.length
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});
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let wordEnd = position + word.length;
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// Move to next position of hit
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index.pop();
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while (index.length !== 0) {
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item = index[index.length - 1];
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position = item.position;
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word = item.word;
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if (wordEnd > position) {
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index.pop();
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} else {
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break;
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}
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}
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}
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return {
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hits,
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start,
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end,
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searchTextCount: searchTextCountInSlice
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};
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};
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// Highlight title and content
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const highlightKeyword = (text, slice) => {
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let result = '';
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let prevEnd = slice.start;
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slice.hits.forEach(hit => {
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result += text.substring(prevEnd, hit.position);
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let end = hit.position + hit.length;
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result += `<b class="search-keyword">${text.substring(hit.position, end)}</b>`;
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prevEnd = end;
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});
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result += text.substring(prevEnd, slice.end);
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return result;
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};
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const inputEventFunction = () => {
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if (!isfetched) return;
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let searchText = input.value.trim().toLowerCase();
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let keywords = searchText.split(/[-\s]+/);
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if (keywords.length > 1) {
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keywords.push(searchText);
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}
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let resultItems = [];
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if (searchText.length > 0) {
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// Perform local searching
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datas.forEach(({title, content, url}) => {
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let titleInLowerCase = title.toLowerCase();
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let contentInLowerCase = content.toLowerCase();
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let indexOfTitle = [];
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let indexOfContent = [];
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let searchTextCount = 0;
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keywords.forEach(keyword => {
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indexOfTitle = indexOfTitle.concat(getIndexByWord(keyword, titleInLowerCase, false));
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indexOfContent = indexOfContent.concat(getIndexByWord(keyword, contentInLowerCase, false));
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});
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// Show search results
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if (indexOfTitle.length > 0 || indexOfContent.length > 0) {
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let hitCount = indexOfTitle.length + indexOfContent.length;
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// Sort index by position of keyword
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[indexOfTitle, indexOfContent].forEach(index => {
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index.sort((itemLeft, itemRight) => {
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if (itemRight.position !== itemLeft.position) {
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return itemRight.position - itemLeft.position;
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}
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return itemLeft.word.length - itemRight.word.length;
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});
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});
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let slicesOfTitle = [];
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if (indexOfTitle.length !== 0) {
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let tmp = mergeIntoSlice(0, title.length, indexOfTitle, searchText);
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searchTextCount += tmp.searchTextCountInSlice;
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slicesOfTitle.push(tmp);
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}
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let slicesOfContent = [];
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while (indexOfContent.length !== 0) {
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let item = indexOfContent[indexOfContent.length - 1];
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let {position, word} = item;
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// Cut out 100 characters
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let start = position - 20;
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let end = position + 80;
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if (start < 0) {
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start = 0;
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}
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if (end < position + word.length) {
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end = position + word.length;
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}
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if (end > content.length) {
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end = content.length;
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}
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let tmp = mergeIntoSlice(start, end, indexOfContent, searchText);
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searchTextCount += tmp.searchTextCountInSlice;
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slicesOfContent.push(tmp);
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}
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// Sort slices in content by search text's count and hits' count
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slicesOfContent.sort((sliceLeft, sliceRight) => {
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if (sliceLeft.searchTextCount !== sliceRight.searchTextCount) {
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return sliceRight.searchTextCount - sliceLeft.searchTextCount;
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} else if (sliceLeft.hits.length !== sliceRight.hits.length) {
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return sliceRight.hits.length - sliceLeft.hits.length;
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}
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return sliceLeft.start - sliceRight.start;
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});
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// Select top N slices in content
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let upperBound = parseInt(CONFIG.localsearch.top_n_per_article ? CONFIG.localsearch.top_n_per_article : 1, 10);
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if (upperBound >= 0) {
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slicesOfContent = slicesOfContent.slice(0, upperBound);
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}
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let resultItem = '';
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if (slicesOfTitle.length !== 0) {
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resultItem += `<li><a href="${url}" class="search-result-title">${highlightKeyword(title, slicesOfTitle[0])}</a>`;
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} else {
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resultItem += `<li><a href="${url}" class="search-result-title">${title}</a>`;
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}
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slicesOfContent.forEach(slice => {
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resultItem += `<a href="${url}"><p class="search-result">${highlightKeyword(content, slice)}...</p></a>`;
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});
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resultItem += '</li>';
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resultItems.push({
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item: resultItem,
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id: resultItems.length,
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hitCount,
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searchTextCount
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});
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}
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});
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}
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if (keywords.length === 1 && keywords[0] === '') {
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resultContent.innerHTML = '<div id="no-result"><i class="fa fa-search fa-5x"></i></div>';
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} else if (resultItems.length === 0) {
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resultContent.innerHTML = '<div id="no-result"><i class="fa fa-frown-o fa-5x"></i></div>';
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} else {
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} else {
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resultItems.sort((resultLeft, resultRight) => {
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break;
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if (resultLeft.searchTextCount !== resultRight.searchTextCount) {
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return resultRight.searchTextCount - resultLeft.searchTextCount;
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} else if (resultLeft.hitCount !== resultRight.hitCount) {
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return resultRight.hitCount - resultLeft.hitCount;
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}
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return resultRight.id - resultLeft.id;
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});
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let searchResultList = '<ul class="search-result-list">';
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resultItems.forEach(result => {
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searchResultList += result.item;
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});
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searchResultList += '</ul>';
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resultContent.innerHTML = searchResultList;
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window.pjax && window.pjax.refresh(resultContent);
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}
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}
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};
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}
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const fetchData = () => {
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fetch(CONFIG.root + searchPath)
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.then(response => response.text())
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.then(res => {
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// Get the contents from search data
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isfetched = true;
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datas = isXml ? [...new DOMParser().parseFromString(res, 'text/xml').querySelectorAll('entry')].map(element => {
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return {
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title: element.querySelector('title').textContent,
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content: element.querySelector('content').textContent,
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url: element.querySelector('url').textContent
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};
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}) : JSON.parse(res);
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// Only match articles with not empty titles
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datas = datas.filter(data => data.title).map(data => {
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data.title = data.title.trim();
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data.content = data.content ? data.content.trim().replace(/<[^>]+>/g, '') : '';
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if (CONFIG.localsearch.unescape) {
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data.content = unescapeHtml(data.content);
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}
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data.url = decodeURIComponent(data.url).replace(/\/{2,}/g, '/');
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return data;
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});
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// Remove loading animation
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document.getElementById('no-result').innerHTML = '<i class="fa fa-search fa-5x"></i>';
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});
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};
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if (CONFIG.localsearch.preload) {
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fetchData();
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}
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}
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return {
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hits,
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start,
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end,
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searchTextCount: searchTextCountInSlice
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};
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};
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if (CONFIG.localsearch.trigger === 'auto') {
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// Highlight title and content
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if (input) {
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const highlightKeyword = (text, slice) => {
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input.addEventListener('input', inputEventFunction);
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let result = '';
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}
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let prevEnd = slice.start;
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slice.hits.forEach(hit => {
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result += text.substring(prevEnd, hit.position);
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let end = hit.position + hit.length;
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result += `<b class="search-keyword">${text.substring(hit.position, end)}</b>`;
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prevEnd = end;
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});
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result += text.substring(prevEnd, slice.end);
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return result;
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};
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} else {
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const inputEventFunction = () => {
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document.querySelector('.search-icon').addEventListener('click', inputEventFunction);
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if (!isfetched) return;
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input.addEventListener('keypress', event => {
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let searchText = input.value.trim().toLowerCase();
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if (event.key === 'Enter') {
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let keywords = searchText.split(/[-\s]+/);
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inputEventFunction();
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if (keywords.length > 1) {
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keywords.push(searchText);
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}
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let resultItems = [];
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if (searchText.length > 0) {
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// Perform local searching
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datas.forEach(({title, content, url}) => {
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let titleInLowerCase = title.toLowerCase();
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let contentInLowerCase = content.toLowerCase();
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let indexOfTitle = [];
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let indexOfContent = [];
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let searchTextCount = 0;
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keywords.forEach(keyword => {
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indexOfTitle = indexOfTitle.concat(getIndexByWord(keyword, titleInLowerCase, false));
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indexOfContent = indexOfContent.concat(getIndexByWord(keyword, contentInLowerCase, false));
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});
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// Show search results
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if (indexOfTitle.length > 0 || indexOfContent.length > 0) {
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let hitCount = indexOfTitle.length + indexOfContent.length;
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// Sort index by position of keyword
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[indexOfTitle, indexOfContent].forEach(index => {
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index.sort((itemLeft, itemRight) => {
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if (itemRight.position !== itemLeft.position) {
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return itemRight.position - itemLeft.position;
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}
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return itemLeft.word.length - itemRight.word.length;
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});
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});
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let slicesOfTitle = [];
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if (indexOfTitle.length !== 0) {
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let tmp = mergeIntoSlice(0, title.length, indexOfTitle, searchText);
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searchTextCount += tmp.searchTextCountInSlice;
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slicesOfTitle.push(tmp);
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}
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let slicesOfContent = [];
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while (indexOfContent.length !== 0) {
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let item = indexOfContent[indexOfContent.length - 1];
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let {position, word} = item;
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// Cut out 100 characters
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let start = position - 20;
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let end = position + 80;
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if (start < 0) {
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start = 0;
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}
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}
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if (end < position + word.length) {
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end = position + word.length;
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}
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if (end > content.length) {
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end = content.length;
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}
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let tmp = mergeIntoSlice(start, end, indexOfContent, searchText);
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searchTextCount += tmp.searchTextCountInSlice;
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slicesOfContent.push(tmp);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Sort slices in content by search text's count and hits' count
|
||||||
|
slicesOfContent.sort((sliceLeft, sliceRight) => {
|
||||||
|
if (sliceLeft.searchTextCount !== sliceRight.searchTextCount) {
|
||||||
|
return sliceRight.searchTextCount - sliceLeft.searchTextCount;
|
||||||
|
} else if (sliceLeft.hits.length !== sliceRight.hits.length) {
|
||||||
|
return sliceRight.hits.length - sliceLeft.hits.length;
|
||||||
|
}
|
||||||
|
return sliceLeft.start - sliceRight.start;
|
||||||
|
});
|
||||||
|
|
||||||
|
// Select top N slices in content
|
||||||
|
let upperBound = parseInt(CONFIG.localsearch.top_n_per_article ? CONFIG.localsearch.top_n_per_article : 1, 10);
|
||||||
|
if (upperBound >= 0) {
|
||||||
|
slicesOfContent = slicesOfContent.slice(0, upperBound);
|
||||||
|
}
|
||||||
|
|
||||||
|
let resultItem = '';
|
||||||
|
|
||||||
|
if (slicesOfTitle.length !== 0) {
|
||||||
|
resultItem += `<li><a href="${url}" class="search-result-title">${highlightKeyword(title, slicesOfTitle[0])}</a>`;
|
||||||
|
} else {
|
||||||
|
resultItem += `<li><a href="${url}" class="search-result-title">${title}</a>`;
|
||||||
|
}
|
||||||
|
|
||||||
|
slicesOfContent.forEach(slice => {
|
||||||
|
resultItem += `<a href="${url}"><p class="search-result">${highlightKeyword(content, slice)}...</p></a>`;
|
||||||
|
});
|
||||||
|
|
||||||
|
resultItem += '</li>';
|
||||||
|
resultItems.push({
|
||||||
|
item: resultItem,
|
||||||
|
id: resultItems.length,
|
||||||
|
hitCount,
|
||||||
|
searchTextCount
|
||||||
|
});
|
||||||
|
}
|
||||||
|
});
|
||||||
|
}
|
||||||
|
if (keywords.length === 1 && keywords[0] === '') {
|
||||||
|
resultContent.innerHTML = '<div id="no-result"><i class="fa fa-search fa-5x"></i></div>';
|
||||||
|
} else if (resultItems.length === 0) {
|
||||||
|
resultContent.innerHTML = '<div id="no-result"><i class="fa fa-frown-o fa-5x"></i></div>';
|
||||||
|
} else {
|
||||||
|
resultItems.sort((resultLeft, resultRight) => {
|
||||||
|
if (resultLeft.searchTextCount !== resultRight.searchTextCount) {
|
||||||
|
return resultRight.searchTextCount - resultLeft.searchTextCount;
|
||||||
|
} else if (resultLeft.hitCount !== resultRight.hitCount) {
|
||||||
|
return resultRight.hitCount - resultLeft.hitCount;
|
||||||
|
}
|
||||||
|
return resultRight.id - resultLeft.id;
|
||||||
|
});
|
||||||
|
let searchResultList = '<ul class="search-result-list">';
|
||||||
|
resultItems.forEach(result => {
|
||||||
|
searchResultList += result.item;
|
||||||
|
});
|
||||||
|
searchResultList += '</ul>';
|
||||||
|
resultContent.innerHTML = searchResultList;
|
||||||
|
window.pjax && window.pjax.refresh(resultContent);
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
const fetchData = () => {
|
||||||
|
fetch(CONFIG.root + searchPath)
|
||||||
|
.then(response => response.text())
|
||||||
|
.then(res => {
|
||||||
|
// Get the contents from search data
|
||||||
|
isfetched = true;
|
||||||
|
datas = isXml ? [...new DOMParser().parseFromString(res, 'text/xml').querySelectorAll('entry')].map(element => {
|
||||||
|
return {
|
||||||
|
title: element.querySelector('title').textContent,
|
||||||
|
content: element.querySelector('content').textContent,
|
||||||
|
url: element.querySelector('url').textContent
|
||||||
|
};
|
||||||
|
}) : JSON.parse(res);
|
||||||
|
// Only match articles with not empty titles
|
||||||
|
datas = datas.filter(data => data.title).map(data => {
|
||||||
|
data.title = data.title.trim();
|
||||||
|
data.content = data.content ? data.content.trim().replace(/<[^>]+>/g, '') : '';
|
||||||
|
if (CONFIG.localsearch.unescape) {
|
||||||
|
data.content = unescapeHtml(data.content);
|
||||||
|
}
|
||||||
|
data.url = decodeURIComponent(data.url).replace(/\/{2,}/g, '/');
|
||||||
|
return data;
|
||||||
});
|
});
|
||||||
|
// Remove loading animation
|
||||||
|
document.getElementById('no-result').innerHTML = '<i class="fa fa-search fa-5x"></i>';
|
||||||
|
});
|
||||||
|
};
|
||||||
|
|
||||||
|
if (CONFIG.localsearch.preload) {
|
||||||
|
fetchData();
|
||||||
|
}
|
||||||
|
|
||||||
|
if (CONFIG.localsearch.trigger === 'auto') {
|
||||||
|
if (input) {
|
||||||
|
input.addEventListener('input', inputEventFunction);
|
||||||
}
|
}
|
||||||
|
|
||||||
// Handle and trigger popup window
|
} else {
|
||||||
document.querySelectorAll('.popup-trigger').forEach(element => {
|
document.querySelector('.search-icon').addEventListener('click', inputEventFunction);
|
||||||
element.addEventListener('click', () => {
|
input.addEventListener('keypress', event => {
|
||||||
document.body.style.overflow = 'hidden';
|
if (event.key === 'Enter') {
|
||||||
document.querySelector('.search-pop-overlay').style.display = 'block';
|
inputEventFunction();
|
||||||
input.focus();
|
}
|
||||||
if (!isfetched) fetchData();
|
|
||||||
});
|
|
||||||
});
|
});
|
||||||
|
}
|
||||||
|
|
||||||
// Monitor main search box
|
// Handle and trigger popup window
|
||||||
const onPopupClose = () => {
|
document.querySelectorAll('.popup-trigger').forEach(element => {
|
||||||
document.body.style.overflow = '';
|
element.addEventListener('click', () => {
|
||||||
document.querySelector('.search-pop-overlay').style.display = '';
|
document.body.style.overflow = 'hidden';
|
||||||
};
|
document.querySelector('.search-pop-overlay').style.display = 'block';
|
||||||
|
input.focus();
|
||||||
|
if (!isfetched) fetchData();
|
||||||
|
});
|
||||||
|
});
|
||||||
|
|
||||||
document.querySelector('.search-pop-overlay').addEventListener('click', event => {
|
// Monitor main search box
|
||||||
if (event.target === document.querySelector('.search-pop-overlay')) {
|
const onPopupClose = () => {
|
||||||
onPopupClose();
|
document.body.style.overflow = '';
|
||||||
}
|
document.querySelector('.search-pop-overlay').style.display = '';
|
||||||
});
|
};
|
||||||
document.querySelector('.popup-btn-close').addEventListener('click', onPopupClose);
|
|
||||||
window.addEventListener('pjax:success', onPopupClose);
|
document.querySelector('.search-pop-overlay').addEventListener('click', event => {
|
||||||
window.addEventListener('keyup', event => {
|
if (event.target === document.querySelector('.search-pop-overlay')) {
|
||||||
if (event.key === 'Escape') {
|
onPopupClose();
|
||||||
onPopupClose();
|
}
|
||||||
}
|
});
|
||||||
});
|
document.querySelector('.popup-btn-close').addEventListener('click', onPopupClose);
|
||||||
|
window.addEventListener('pjax:success', onPopupClose);
|
||||||
|
window.addEventListener('keyup', event => {
|
||||||
|
if (event.key === 'Escape') {
|
||||||
|
onPopupClose();
|
||||||
|
}
|
||||||
|
});
|
||||||
});
|
});
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue