Prerender latex
This commit is contained in:
Aiden Bai
parent
84c6e1efed
commit
a1293f820a
3 changed files with 114 additions and 111 deletions
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@ -1,16 +1,26 @@
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import { router, navigate, reload, prefetch } from "https://unpkg.com/million@1.9.6/dist/router.mjs"
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import {
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apply,
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navigate,
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prefetch,
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router,
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} from "https://unpkg.com/million@1.9.8-0/dist/router.mjs"
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export const attachSPARouting = (draw) => {
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export const attachSPARouting = (init, rerender) => {
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// Attach SPA functions to the global Million namespace
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window.Million = {
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router,
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apply,
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navigate,
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reload,
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prefetch,
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};
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router(".singlePage")
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// We need on initial load, then subsequent redirs
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// requestAnimationFrame() delays graph draw until SPA routing is finished
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reload(draw)
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window.addEventListener("DOMContentLoaded", () => requestAnimationFrame(draw))
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router,
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}
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const render = () => requestAnimationFrame(rerender)
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window.addEventListener("DOMContentLoaded", () => {
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apply((doc) => init(doc))
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init()
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router(".singlePage")
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render()
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})
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window.addEventListener("million:navigate", render)
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}
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@ -7,47 +7,44 @@ const removeMarkdown = (
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gfm: true,
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useImgAltText: false,
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preserveLinks: false,
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}
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},
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) => {
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let output = markdown || ''
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output = output.replace(/^(-\s*?|\*\s*?|_\s*?){3,}\s*$/gm, '')
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let output = markdown || ""
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output = output.replace(/^(-\s*?|\*\s*?|_\s*?){3,}\s*$/gm, "")
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try {
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if (options.stripListLeaders) {
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if (options.listUnicodeChar)
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output = output.replace(
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/^([\s\t]*)([\*\-\+]|\d+\.)\s+/gm,
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options.listUnicodeChar + ' $1'
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)
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else output = output.replace(/^([\s\t]*)([\*\-\+]|\d+\.)\s+/gm, '$1')
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output = output.replace(/^([\s\t]*)([\*\-\+]|\d+\.)\s+/gm, options.listUnicodeChar + " $1")
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else output = output.replace(/^([\s\t]*)([\*\-\+]|\d+\.)\s+/gm, "$1")
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}
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if (options.gfm) {
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output = output
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.replace(/\n={2,}/g, '\n')
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.replace(/~{3}.*\n/g, '')
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.replace(/~~/g, '')
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.replace(/`{3}.*\n/g, '')
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.replace(/\n={2,}/g, "\n")
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.replace(/~{3}.*\n/g, "")
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.replace(/~~/g, "")
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.replace(/`{3}.*\n/g, "")
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}
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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 ($2)")
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}
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output = output
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.replace(/<[^>]*>/g, '')
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.replace(/^[=\-]{2,}\s*$/g, '')
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.replace(/\[\^.+?\](\: .*?$)?/g, '')
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.replace(/(#{1,6})\s+(.+)\1?/g, '<b>$2</b>')
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.replace(/\s{0,2}\[.*?\]: .*?$/g, '')
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.replace(/\!\[(.*?)\][\[\(].*?[\]\)]/g, options.useImgAltText ? '$1' : '')
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.replace(/\[(.*?)\][\[\(].*?[\]\)]/g, '<a>$1</a>')
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.replace(/!?\[\[\S[^\[\]\|]*(?:\|([^\[\]]*))?\S\]\]/g, '<a>$1</a>')
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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(/^\s{1,2}\[(.*?)\]: (\S+)( ".*?")?\s*$/g, '')
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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(/`(.+?)`/g, '$1')
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.replace(/\n{2,}/g, '\n\n')
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.replace(/<[^>]*>/g, "")
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.replace(/^[=\-]{2,}\s*$/g, "")
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.replace(/\[\^.+?\](\: .*?$)?/g, "")
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.replace(/(#{1,6})\s+(.+)\1?/g, "<b>$2</b>")
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.replace(/\s{0,2}\[.*?\]: .*?$/g, "")
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.replace(/\!\[(.*?)\][\[\(].*?[\]\)]/g, options.useImgAltText ? "$1" : "")
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.replace(/\[(.*?)\][\[\(].*?[\]\)]/g, "<a>$1</a>")
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.replace(/!?\[\[\S[^\[\]\|]*(?:\|([^\[\]]*))?\S\]\]/g, "<a>$1</a>")
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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(/^\s{1,2}\[(.*?)\]: (\S+)( ".*?")?\s*$/g, "")
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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(/`(.+?)`/g, "$1")
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.replace(/\n{2,}/g, "\n\n")
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} catch (e) {
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console.error(e)
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return markdown
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@ -64,27 +61,28 @@ const highlight = (content, term) => {
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if (directMatchIdx !== -1) {
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const h = highlightWindow / 2
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const before = content.substring(0, directMatchIdx).split(" ").slice(-h)
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const after = content.substring(directMatchIdx + term.length, content.length - 1).split(" ").slice(0, h)
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return (before.length == h ? `...${before.join(" ")}` : before.join(" ")) + `<span class="search-highlight">${term}</span>` + after.join(" ")
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const after = content
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.substring(directMatchIdx + term.length, content.length - 1)
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.split(" ")
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.slice(0, h)
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return (
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(before.length == h ? `...${before.join(" ")}` : before.join(" ")) +
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`<span class="search-highlight">${term}</span>` +
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after.join(" ")
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)
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}
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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 tokenizedTerm = term.split(/\s+/).filter((t) => t !== "")
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const splitText = content.split(/\s+/).filter((t) => t !== "")
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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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tokenizedTerm.some((term) => token.toLowerCase().startsWith(term.toLowerCase()))
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const occurrencesIndices = splitText.map(includesCheck)
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// calculate best index
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let bestSum = 0
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let bestIndex = 0
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for (
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let i = 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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for (let i = 0; i < Math.max(occurrencesIndices.length - highlightWindow, 0); i++) {
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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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@ -94,10 +92,7 @@ const highlight = (content, term) => {
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}
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const startIndex = Math.max(bestIndex - highlightWindow, 0)
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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 endIndex = Math.min(startIndex + 2 * highlightWindow, splitText.length)
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const mappedText = splitText
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.slice(startIndex, endIndex)
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.map((token) => {
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@ -106,27 +101,28 @@ const highlight = (content, term) => {
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}
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return token
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})
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.join(' ')
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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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}`
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};
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.join(" ")
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.replaceAll('</span> <span class="search-highlight">', " ")
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return `${startIndex === 0 ? "" : "..."}${mappedText}${
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endIndex === splitText.length ? "" : "..."
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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 contentIndex = new FlexSearch.Document({
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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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index: [
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{
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field: 'content',
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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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},
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{
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field: 'title',
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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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},
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],
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@ -154,10 +150,8 @@ const highlight = (content, term) => {
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const redir = (id, term) => {
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// SPA navigation
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window.Million.navigate(
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new URL(
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`${BASE_URL.replace(/\/$/g, "")}${id}#:~:text=${encodeURIComponent(term)}/`
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),
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'.singlePage'
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new URL(`${BASE_URL.replace(/\/$/g, "")}${id}#:~:text=${encodeURIComponent(term)}/`),
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".singlePage",
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)
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closeSearch()
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}
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@ -169,24 +163,24 @@ const highlight = (content, term) => {
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content: content[id].content,
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})
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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 source = document.getElementById("search-bar")
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const results = document.getElementById("results-container")
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let term
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source.addEventListener('keyup', (e) => {
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if (e.key === 'Enter') {
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const anchor = document.getElementsByClassName('result-card')[0]
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source.addEventListener("keyup", (e) => {
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if (e.key === "Enter") {
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const anchor = document.getElementsByClassName("result-card")[0]
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redir(anchor.id, term)
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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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const searchResults = contentIndex.search(term, [
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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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},
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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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},
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])
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@ -198,7 +192,7 @@ const highlight = (content, term) => {
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return [...results[0].result]
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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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// display
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@ -213,58 +207,55 @@ const highlight = (content, term) => {
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resultToHTML({
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...result,
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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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.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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const searchContainer = document.getElementById('search-container')
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const searchContainer = document.getElementById("search-container")
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function openSearch() {
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if (
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searchContainer.style.display === 'none' ||
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searchContainer.style.display === ''
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) {
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source.value = ''
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results.innerHTML = ''
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searchContainer.style.display = 'block'
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if (searchContainer.style.display === "none" || searchContainer.style.display === "") {
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source.value = ""
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results.innerHTML = ""
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searchContainer.style.display = "block"
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source.focus()
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} else {
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searchContainer.style.display = 'none'
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searchContainer.style.display = "none"
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}
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}
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function closeSearch() {
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searchContainer.style.display = 'none'
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searchContainer.style.display = "none"
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}
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document.addEventListener('keydown', (event) => {
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if (event.key === 'k' && (event.ctrlKey || event.metaKey)) {
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document.addEventListener("keydown", (event) => {
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if (event.key === "k" && (event.ctrlKey || event.metaKey)) {
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event.preventDefault()
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openSearch()
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}
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if (event.key === 'Escape') {
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if (event.key === "Escape") {
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event.preventDefault()
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closeSearch()
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}
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})
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const searchButton = document.getElementById('search-icon')
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searchButton.addEventListener('click', (evt) => {
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const searchButton = document.getElementById("search-icon")
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searchButton.addEventListener("click", (evt) => {
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openSearch()
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})
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searchButton.addEventListener('keydown', (evt) => {
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searchButton.addEventListener("keydown", (evt) => {
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openSearch()
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})
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searchContainer.addEventListener('click', (evt) => {
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searchContainer.addEventListener("click", (evt) => {
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closeSearch()
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})
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document.getElementById('search-space').addEventListener('click', (evt) => {
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document.getElementById("search-space").addEventListener("click", (evt) => {
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evt.stopPropagation()
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})
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})()
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@ -10,11 +10,7 @@
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end }}
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</title>
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<meta name="viewport" content="width=device-width, initial-scale=1" />
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<link
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rel="shortcut icon"
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type="image/png"
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href="{{$.Site.BaseURL}}/icon.png"
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/>
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<link rel="shortcut icon" type="image/png" href="{{$.Site.BaseURL}}/icon.png" />
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<!-- CSS Stylesheets and Fonts -->
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<link
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@ -61,12 +57,12 @@
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content,
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}))
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const draw = () => {
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// NOTE: everything within this callback will be executed for every page navigation. This is a good place to put JavaScript that loads or modifies data on the page.
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const render = () => {
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// NOTE: everything within this callback will be executed for every page navigation. This is a good place to put JavaScript that loads or modifies data on the page, adds event listeners, etc. If you are only dealing with basic DOM replacement, use the init function
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{{if $.Site.Data.config.enableFooter}}
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const container = document.getElementById("graph-container")
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// retry if the graph is not ready
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if (!container) return requestAnimationFrame(draw)
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if (!container) return requestAnimationFrame(render)
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// clear the graph in case there is anything within it
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container.textContent = ""
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@ -79,6 +75,7 @@
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{{$.Site.Data.graphConfig.enableZoom}}
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);
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{{end}}
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{{if $.Site.Data.config.enableLinkPreview}}
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initPopover(
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{{strings.TrimRight "/" .Site.BaseURL }},
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@ -86,8 +83,12 @@
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{{$.Site.Data.config.enableLatex}}
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)
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{{end}}
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}
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const init = (doc = document) => {
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// NOTE: everything within this callback will be executed for initial page navigation. This is a good place to put JavaScript that only replaces DOM nodes.
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{{if $.Site.Data.config.enableLatex}}
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renderMathInElement(document.body, {
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renderMathInElement(doc.body, {
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delimiters: [
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{left: '$$', right: '$$', display: true},
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{left: '$', right: '$', display: false},
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@ -102,7 +103,7 @@
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resources.Minify }}
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<script type="module">
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import { attachSPARouting } from "{{$router.Permalink}}"
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attachSPARouting(draw)
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attachSPARouting(init, render)
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</script>
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{{else}}
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<script>
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@ -110,7 +111,8 @@
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navigate: (url) => (window.location.href = url),
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prefetch: () => {},
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}
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draw()
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init()
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render()
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</script>
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{{end}}
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</head>
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