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@ -9,47 +9,47 @@ const removeMarkdown = (
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preserveLinks: false,
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preserveLinks: false,
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}
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}
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) => {
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) => {
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let output = markdown || "";
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let output = markdown || '';
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output = output.replace(/^(-\s*?|\*\s*?|_\s*?){3,}\s*$/gm, "");
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output = output.replace(/^(-\s*?|\*\s*?|_\s*?){3,}\s*$/gm, '');
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try {
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try {
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if (options.stripListLeaders) {
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if (options.stripListLeaders) {
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if (options.listUnicodeChar)
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if (options.listUnicodeChar)
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output = output.replace(
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output = output.replace(
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/^([\s\t]*)([\*\-\+]|\d+\.)\s+/gm,
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/^([\s\t]*)([\*\-\+]|\d+\.)\s+/gm,
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options.listUnicodeChar + " $1"
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options.listUnicodeChar + ' $1'
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);
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);
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else output = output.replace(/^([\s\t]*)([\*\-\+]|\d+\.)\s+/gm, "$1");
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else output = output.replace(/^([\s\t]*)([\*\-\+]|\d+\.)\s+/gm, '$1');
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}
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}
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if (options.gfm) {
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if (options.gfm) {
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output = output
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output = output
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.replace(/\n={2,}/g, "\n")
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.replace(/\n={2,}/g, '\n')
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.replace(/~{3}.*\n/g, "")
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.replace(/~{3}.*\n/g, '')
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.replace(/~~/g, "")
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.replace(/~~/g, '')
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.replace(/`{3}.*\n/g, "");
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.replace(/`{3}.*\n/g, '');
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}
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}
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if (options.preserveLinks) {
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if (options.preserveLinks) {
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output = output.replace(/\[(.*?)\][\[\(](.*?)[\]\)]/g, "$1 ($2)")
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output = output.replace(/\[(.*?)\][\[\(](.*?)[\]\)]/g, '$1 ($2)');
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}
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}
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output = output
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output = output
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.replace(/<[^>]*>/g, "")
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.replace(/<[^>]*>/g, '')
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.replace(/^[=\-]{2,}\s*$/g, "")
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.replace(/^[=\-]{2,}\s*$/g, '')
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.replace(/\[\^.+?\](\: .*?$)?/g, "")
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.replace(/\[\^.+?\](\: .*?$)?/g, '')
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.replace(/\s{0,2}\[.*?\]: .*?$/g, "")
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.replace(/\s{0,2}\[.*?\]: .*?$/g, '')
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.replace(/\!\[(.*?)\][\[\(].*?[\]\)]/g, options.useImgAltText ? "$1" : "")
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.replace(/\!\[(.*?)\][\[\(].*?[\]\)]/g, options.useImgAltText ? '$1' : '')
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.replace(/\[(.*?)\][\[\(].*?[\]\)]/g, "$1")
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.replace(/\[(.*?)\][\[\(].*?[\]\)]/g, '$1')
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.replace(/^\s{0,3}>\s?/g, "")
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.replace(/^\s{0,3}>\s?/g, '')
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.replace(/(^|\n)\s{0,3}>\s?/g, "\n\n")
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.replace(/(^|\n)\s{0,3}>\s?/g, '\n\n')
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.replace(/^\s{1,2}\[(.*?)\]: (\S+)( ".*?")?\s*$/g, "")
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.replace(/^\s{1,2}\[(.*?)\]: (\S+)( ".*?")?\s*$/g, '')
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.replace(
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.replace(
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/^(\n)?\s{0,}#{1,6}\s+| {0,}(\n)?\s{0,}#{0,} {0,}(\n)?\s{0,}$/gm,
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/^(\n)?\s{0,}#{1,6}\s+| {0,}(\n)?\s{0,}#{0,} {0,}(\n)?\s{0,}$/gm,
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"$1$2$3"
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'$1$2$3'
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)
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)
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.replace(/([\*_]{1,3})(\S.*?\S{0,1})\1/g, "$2")
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.replace(/([\*_]{1,3})(\S.*?\S{0,1})\1/g, '$2')
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.replace(/([\*_]{1,3})(\S.*?\S{0,1})\1/g, "$2")
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.replace(/([\*_]{1,3})(\S.*?\S{0,1})\1/g, '$2')
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.replace(/(`{3,})(.*?)\1/gm, "$2")
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.replace(/(`{3,})(.*?)\1/gm, '$2')
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.replace(/`(.+?)`/g, "$1")
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.replace(/`(.+?)`/g, '$1')
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.replace(/\n{2,}/g, "\n\n");
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.replace(/\n{2,}/g, '\n\n');
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} catch (e) {
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} catch (e) {
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console.error(e);
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console.error(e);
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return markdown;
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return markdown;
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@ -59,181 +59,205 @@ const removeMarkdown = (
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// -----
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// -----
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(async function () {
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(async function () {
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const encoder = str => str.toLowerCase().split(/([^a-z]|[^\x00-\x7F])+/)
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const encoder = (str) => str.toLowerCase().split(/([^a-z]|[^\x00-\x7F])+/);
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const contentIndex = new FlexSearch.Document({
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const contentIndex = new FlexSearch.Document({
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cache: true,
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cache: true,
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charset: "latin:extra",
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charset: 'latin:extra',
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optimize: true,
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optimize: true,
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index: [{
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index: [
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field: "content",
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{
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tokenize: "reverse",
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field: 'content',
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tokenize: 'reverse',
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encode: encoder,
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encode: encoder,
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}, {
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},
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field: "title",
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{
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tokenize: "forward",
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field: 'title',
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tokenize: 'forward',
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encode: encoder,
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encode: encoder,
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}]
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},
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})
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],
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});
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const { content } = await fetchData
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const { content } = await fetchData;
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for (const [key, value] of Object.entries(content)) {
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for (const [key, value] of Object.entries(content)) {
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contentIndex.add({
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contentIndex.add({
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id: key,
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id: key,
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title: value.title,
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title: value.title,
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content: removeMarkdown(value.content),
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content: removeMarkdown(value.content),
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})
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});
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}
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}
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const highlight = (content, term) => {
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const highlight = (content, term) => {
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const highlightWindow = 20
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const highlightWindow = 20;
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const tokenizedTerm = term.split(/\s+/).filter(t => t !== "")
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const tokenizedTerm = term.split(/\s+/).filter((t) => t !== '');
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const splitText = content.split(/\s+/).filter(t => t !== "")
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const splitText = content.split(/\s+/).filter((t) => t !== '');
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const includesCheck = (token) => tokenizedTerm.some(term => token.toLowerCase().startsWith(term.toLowerCase()))
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const includesCheck = (token) =>
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tokenizedTerm.some((term) =>
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token.toLowerCase().startsWith(term.toLowerCase())
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);
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const occurrencesIndices = splitText
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const occurrencesIndices = splitText.map(includesCheck);
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.map(includesCheck)
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// calculate best index
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// calculate best index
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let bestSum = 0
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let bestSum = 0;
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let bestIndex = 0
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let bestIndex = 0;
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for (let i = 0; i < Math.max(occurrencesIndices.length - highlightWindow, 0); i++) {
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for (
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const window = occurrencesIndices.slice(i, i + highlightWindow)
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let i = 0;
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const windowSum = window.reduce((total, cur) => total + cur, 0)
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i < Math.max(occurrencesIndices.length - highlightWindow, 0);
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i++
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) {
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const window = occurrencesIndices.slice(i, i + highlightWindow);
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const windowSum = window.reduce((total, cur) => total + cur, 0);
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if (windowSum >= bestSum) {
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if (windowSum >= bestSum) {
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bestSum = windowSum
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bestSum = windowSum;
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bestIndex = i
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bestIndex = i;
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}
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}
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}
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}
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const startIndex = Math.max(bestIndex - highlightWindow, 0)
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const startIndex = Math.max(bestIndex - highlightWindow, 0);
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const endIndex = Math.min(startIndex + 2 * highlightWindow, splitText.length)
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const endIndex = Math.min(
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startIndex + 2 * highlightWindow,
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splitText.length
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);
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const mappedText = splitText
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const mappedText = splitText
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.slice(startIndex, endIndex)
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.slice(startIndex, endIndex)
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.map(token => {
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.map((token) => {
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if (includesCheck(token)) {
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if (includesCheck(token)) {
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return `<span class="search-highlight">${token}</span>`
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return `<span class="search-highlight">${token}</span>`;
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}
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}
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return token
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return token;
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})
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})
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.join(" ")
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.join(' ')
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.replaceAll('</span> <span class="search-highlight">', " ")
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.replaceAll('</span> <span class="search-highlight">', ' ');
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return `${startIndex === 0 ? "" : "..."}${mappedText}${endIndex === splitText.length ? "" : "..."}`
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return `${startIndex === 0 ? '' : '...'}${mappedText}${
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}
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endIndex === splitText.length ? '' : '...'
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}`;
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};
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const resultToHTML = ({ url, title, content, term }) => {
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const resultToHTML = ({ url, title, content, term }) => {
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const text = removeMarkdown(content)
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const text = removeMarkdown(content);
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const resultTitle = highlight(title, term)
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const resultTitle = highlight(title, term);
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const resultText = highlight(text, term)
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const resultText = highlight(text, term);
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return `<button class="result-card" id="${url}">
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return `<button class="result-card" id="${url}">
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<h3>${resultTitle}</h3>
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<h3>${resultTitle}</h3>
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<p>${resultText}</p>
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<p>${resultText}</p>
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</button>`
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</button>`;
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}
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};
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const redir = (id, term) => {
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const redir = (id, term) => {
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window.location.href = `${BASE_URL}${id}#:~:text=${encodeURIComponent(term)}/`
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// SPA navigation
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}
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window.navigate(
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new URL(
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`${BASE_URL.slice(0, -1)}${id}#:~:text=${encodeURIComponent(term)}/`
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),
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'.singlePage'
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);
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closeSearch();
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};
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const formatForDisplay = id => ({
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const formatForDisplay = (id) => ({
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id,
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id,
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url: id,
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url: id,
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title: content[id].title,
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title: content[id].title,
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content: content[id].content
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content: content[id].content,
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})
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});
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const source = document.getElementById('search-bar')
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const source = document.getElementById('search-bar');
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const results = document.getElementById("results-container")
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const results = document.getElementById('results-container');
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let term
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let term;
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source.addEventListener("keyup", (e) => {
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source.addEventListener('keyup', (e) => {
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if (e.key === "Enter") {
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if (e.key === 'Enter') {
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const anchor = document.getElementsByClassName("result-card")[0]
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const anchor = document.getElementsByClassName('result-card')[0];
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redir(anchor.id, term)
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redir(anchor.id, term);
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}
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}
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})
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});
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source.addEventListener('input', (e) => {
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source.addEventListener('input', (e) => {
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term = e.target.value
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term = e.target.value;
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const searchResults = contentIndex.search(term, [
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const searchResults = contentIndex.search(term, [
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{
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{
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field: "content",
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field: 'content',
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limit: 10,
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limit: 10,
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},
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},
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{
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{
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field: "title",
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field: 'title',
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limit: 5,
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limit: 5,
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}
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},
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])
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]);
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const getByField = field => {
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const getByField = (field) => {
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const results = searchResults.filter(x => x.field === field)
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const results = searchResults.filter((x) => x.field === field);
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if (results.length === 0) {
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if (results.length === 0) {
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return []
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return [];
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} else {
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} else {
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return [...results[0].result]
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return [...results[0].result];
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}
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}
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}
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};
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const allIds = new Set([...getByField('title'), ...getByField('content')])
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const allIds = new Set([...getByField('title'), ...getByField('content')]);
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const finalResults = [...allIds].map(formatForDisplay)
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const finalResults = [...allIds].map(formatForDisplay);
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// display
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// display
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if (finalResults.length === 0) {
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if (finalResults.length === 0) {
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results.innerHTML = `<button class="result-card">
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results.innerHTML = `<button class="result-card">
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<h3>No results.</h3>
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<h3>No results.</h3>
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<p>Try another search term?</p>
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<p>Try another search term?</p>
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</button>`
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</button>`;
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} else {
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} else {
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results.innerHTML = finalResults
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results.innerHTML = finalResults
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.map(result => resultToHTML({
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.map((result) =>
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resultToHTML({
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...result,
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...result,
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term,
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term,
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}))
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.join("\n")
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const anchors = document.getElementsByClassName("result-card");
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[...anchors].forEach(anchor => {
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anchor.onclick = () => redir(anchor.id, term)
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})
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})
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)
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.join('\n');
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const anchors = document.getElementsByClassName('result-card');
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[...anchors].forEach((anchor) => {
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anchor.onclick = () => redir(anchor.id, term);
|
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});
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}
|
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}
|
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})
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});
|
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const searchContainer = document.getElementById('search-container');
|
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const searchContainer = document.getElementById("search-container")
|
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|
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|
function openSearch() {
|
|
|
|
function openSearch() {
|
|
|
|
if (searchContainer.style.display === "none" || searchContainer.style.display === "") {
|
|
|
|
if (
|
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|
|
source.value = ""
|
|
|
|
searchContainer.style.display === 'none' ||
|
|
|
|
results.innerHTML = ""
|
|
|
|
searchContainer.style.display === ''
|
|
|
|
searchContainer.style.display = "block"
|
|
|
|
) {
|
|
|
|
source.focus()
|
|
|
|
source.value = '';
|
|
|
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|
|
|
results.innerHTML = '';
|
|
|
|
|
|
|
|
searchContainer.style.display = 'block';
|
|
|
|
|
|
|
|
source.focus();
|
|
|
|
} else {
|
|
|
|
} else {
|
|
|
|
searchContainer.style.display = "none"
|
|
|
|
searchContainer.style.display = 'none';
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
function closeSearch() {
|
|
|
|
function closeSearch() {
|
|
|
|
searchContainer.style.display = "none"
|
|
|
|
searchContainer.style.display = 'none';
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
document.addEventListener('keydown', (event) => {
|
|
|
|
document.addEventListener('keydown', (event) => {
|
|
|
|
if (event.key === "k" && (event.ctrlKey || event.metaKey)) {
|
|
|
|
if (event.key === 'k' && (event.ctrlKey || event.metaKey)) {
|
|
|
|
event.preventDefault()
|
|
|
|
event.preventDefault();
|
|
|
|
openSearch()
|
|
|
|
openSearch();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (event.key === "Escape") {
|
|
|
|
if (event.key === 'Escape') {
|
|
|
|
event.preventDefault()
|
|
|
|
event.preventDefault();
|
|
|
|
closeSearch()
|
|
|
|
closeSearch();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
})
|
|
|
|
});
|
|
|
|
|
|
|
|
|
|
|
|
const searchButton = document.getElementById("search-icon")
|
|
|
|
const searchButton = document.getElementById('search-icon');
|
|
|
|
searchButton.addEventListener('click', (evt) => {
|
|
|
|
searchButton.addEventListener('click', (evt) => {
|
|
|
|
openSearch()
|
|
|
|
openSearch();
|
|
|
|
})
|
|
|
|
});
|
|
|
|
searchButton.addEventListener('keydown', (evt) => {
|
|
|
|
searchButton.addEventListener('keydown', (evt) => {
|
|
|
|
openSearch()
|
|
|
|
openSearch();
|
|
|
|
})
|
|
|
|
});
|
|
|
|
searchContainer.addEventListener('click', (evt) => {
|
|
|
|
searchContainer.addEventListener('click', (evt) => {
|
|
|
|
closeSearch()
|
|
|
|
closeSearch();
|
|
|
|
})
|
|
|
|
});
|
|
|
|
document.getElementById("search-space").addEventListener('click', (evt) => {
|
|
|
|
document.getElementById('search-space').addEventListener('click', (evt) => {
|
|
|
|
evt.stopPropagation()
|
|
|
|
evt.stopPropagation();
|
|
|
|
})
|
|
|
|
});
|
|
|
|
})()
|
|
|
|
})();
|
|
|
|
|
|
|
|
|
|
|
|
|
Jacky Zhao
3 years ago
committed by
GitHub