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Merge pull request #139 from aidenybai/prerender-latex

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hugo
Jacky Zhao 3 years ago committed by GitHub
parent 84c6e1efed a1293f820a
commit dbd4fb7595
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 114 additions and 111 deletions
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30
assets/js/router.js
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@ -1,16 +1,26 @@
import { router, navigate, reload, prefetch } from "https://unpkg.com/million@1.9.6/dist/router.mjs"
import {
apply,
navigate,
prefetch,
router,
} from "https://unpkg.com/million@1.9.8-0/dist/router.mjs"
export const attachSPARouting = (draw) => {
export const attachSPARouting = (init, rerender) => {
// Attach SPA functions to the global Million namespace
window.Million = {
router,
apply,
navigate,
reload,
prefetch,
};
router(".singlePage")
// We need on initial load, then subsequent redirs
// requestAnimationFrame() delays graph draw until SPA routing is finished
reload(draw)
window.addEventListener("DOMContentLoaded", () => requestAnimationFrame(draw))
router,
}
const render = () => requestAnimationFrame(rerender)
window.addEventListener("DOMContentLoaded", () => {
apply((doc) => init(doc))
init()
router(".singlePage")
render()
})
window.addEventListener("million:navigate", render)
}

171
assets/js/search.js
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@ -7,47 +7,44 @@ const removeMarkdown = (
gfm: true,
useImgAltText: false,
preserveLinks: false,
}
},
) => {
let output = markdown || ''
output = output.replace(/^(-\s*?|\*\s*?|_\s*?){3,}\s*$/gm, '')
let output = markdown || ""
output = output.replace(/^(-\s*?|\*\s*?|_\s*?){3,}\s*$/gm, "")
try {
if (options.stripListLeaders) {
if (options.listUnicodeChar)
output = output.replace(
/^([\s\t]*)([\*\-\+]|\d+\.)\s+/gm,
options.listUnicodeChar + ' $1'
)
else output = output.replace(/^([\s\t]*)([\*\-\+]|\d+\.)\s+/gm, '$1')
output = output.replace(/^([\s\t]*)([\*\-\+]|\d+\.)\s+/gm, options.listUnicodeChar + " $1")
else output = output.replace(/^([\s\t]*)([\*\-\+]|\d+\.)\s+/gm, "$1")
}
if (options.gfm) {
output = output
.replace(/\n={2,}/g, '\n')
.replace(/~{3}.*\n/g, '')
.replace(/~~/g, '')
.replace(/`{3}.*\n/g, '')
.replace(/\n={2,}/g, "\n")
.replace(/~{3}.*\n/g, "")
.replace(/~~/g, "")
.replace(/`{3}.*\n/g, "")
}
if (options.preserveLinks) {
output = output.replace(/\[(.*?)\][\[\(](.*?)[\]\)]/g, '$1 ($2)')
output = output.replace(/\[(.*?)\][\[\(](.*?)[\]\)]/g, "$1 ($2)")
}
output = output
.replace(/<[^>]*>/g, '')
.replace(/^[=\-]{2,}\s*$/g, '')
.replace(/\[\^.+?\](\: .*?$)?/g, '')
.replace(/(#{1,6})\s+(.+)\1?/g, '<b>$2</b>')
.replace(/\s{0,2}\[.*?\]: .*?$/g, '')
.replace(/\!\[(.*?)\][\[\(].*?[\]\)]/g, options.useImgAltText ? '$1' : '')
.replace(/\[(.*?)\][\[\(].*?[\]\)]/g, '<a>$1</a>')
.replace(/!?\[\[\S[^\[\]\|]*(?:\|([^\[\]]*))?\S\]\]/g, '<a>$1</a>')
.replace(/^\s{0,3}>\s?/g, '')
.replace(/(^|\n)\s{0,3}>\s?/g, '\n\n')
.replace(/^\s{1,2}\[(.*?)\]: (\S+)( ".*?")?\s*$/g, '')
.replace(/([\*_]{1,3})(\S.*?\S{0,1})\1/g, '$2')
.replace(/([\*_]{1,3})(\S.*?\S{0,1})\1/g, '$2')
.replace(/(`{3,})(.*?)\1/gm, '$2')
.replace(/`(.+?)`/g, '$1')
.replace(/\n{2,}/g, '\n\n')
.replace(/<[^>]*>/g, "")
.replace(/^[=\-]{2,}\s*$/g, "")
.replace(/\[\^.+?\](\: .*?$)?/g, "")
.replace(/(#{1,6})\s+(.+)\1?/g, "<b>$2</b>")
.replace(/\s{0,2}\[.*?\]: .*?$/g, "")
.replace(/\!\[(.*?)\][\[\(].*?[\]\)]/g, options.useImgAltText ? "$1" : "")
.replace(/\[(.*?)\][\[\(].*?[\]\)]/g, "<a>$1</a>")
.replace(/!?\[\[\S[^\[\]\|]*(?:\|([^\[\]]*))?\S\]\]/g, "<a>$1</a>")
.replace(/^\s{0,3}>\s?/g, "")
.replace(/(^|\n)\s{0,3}>\s?/g, "\n\n")
.replace(/^\s{1,2}\[(.*?)\]: (\S+)( ".*?")?\s*$/g, "")
.replace(/([\*_]{1,3})(\S.*?\S{0,1})\1/g, "$2")
.replace(/([\*_]{1,3})(\S.*?\S{0,1})\1/g, "$2")
.replace(/(`{3,})(.*?)\1/gm, "$2")
.replace(/`(.+?)`/g, "$1")
.replace(/\n{2,}/g, "\n\n")
} catch (e) {
console.error(e)
return markdown
@ -64,27 +61,28 @@ const highlight = (content, term) => {
if (directMatchIdx !== -1) {
const h = highlightWindow / 2
const before = content.substring(0, directMatchIdx).split(" ").slice(-h)
const after = content.substring(directMatchIdx + term.length, content.length - 1).split(" ").slice(0, h)
return (before.length == h ? `...${before.join(" ")}` : before.join(" ")) + `<span class="search-highlight">${term}</span>` + after.join(" ")
const after = content
.substring(directMatchIdx + term.length, content.length - 1)
.split(" ")
.slice(0, h)
return (
(before.length == h ? `...${before.join(" ")}` : before.join(" ")) +
`<span class="search-highlight">${term}</span>` +
after.join(" ")
)
}
const tokenizedTerm = term.split(/\s+/).filter((t) => t !== '')
const splitText = content.split(/\s+/).filter((t) => t !== '')
const tokenizedTerm = term.split(/\s+/).filter((t) => t !== "")
const splitText = content.split(/\s+/).filter((t) => t !== "")
const includesCheck = (token) =>
tokenizedTerm.some((term) =>
token.toLowerCase().startsWith(term.toLowerCase())
)
tokenizedTerm.some((term) => token.toLowerCase().startsWith(term.toLowerCase()))
const occurrencesIndices = splitText.map(includesCheck)
// calculate best index
let bestSum = 0
let bestIndex = 0
for (
let i = 0;
i < Math.max(occurrencesIndices.length - highlightWindow, 0);
i++
) {
for (let i = 0; i < Math.max(occurrencesIndices.length - highlightWindow, 0); i++) {
const window = occurrencesIndices.slice(i, i + highlightWindow)
const windowSum = window.reduce((total, cur) => total + cur, 0)
if (windowSum >= bestSum) {
@ -94,10 +92,7 @@ const highlight = (content, term) => {
}
const startIndex = Math.max(bestIndex - highlightWindow, 0)
const endIndex = Math.min(
startIndex + 2 * highlightWindow,
splitText.length
)
const endIndex = Math.min(startIndex + 2 * highlightWindow, splitText.length)
const mappedText = splitText
.slice(startIndex, endIndex)
.map((token) => {
@ -106,27 +101,28 @@ const highlight = (content, term) => {
}
return token
})
.join(' ')
.replaceAll('</span> <span class="search-highlight">', ' ')
return `${startIndex === 0 ? '' : '...'}${mappedText}${endIndex === splitText.length ? '' : '...'
}`
};
.join(" ")
.replaceAll('</span> <span class="search-highlight">', " ")
return `${startIndex === 0 ? "" : "..."}${mappedText}${
endIndex === splitText.length ? "" : "..."
}`
}
(async function() {
;(async function () {
const encoder = (str) => str.toLowerCase().split(/([^a-z]|[^\x00-\x7F])+/)
const contentIndex = new FlexSearch.Document({
cache: true,
charset: 'latin:extra',
charset: "latin:extra",
optimize: true,
index: [
{
field: 'content',
tokenize: 'reverse',
field: "content",
tokenize: "reverse",
encode: encoder,
},
{
field: 'title',
tokenize: 'forward',
field: "title",
tokenize: "forward",
encode: encoder,
},
],
@ -154,10 +150,8 @@ const highlight = (content, term) => {
const redir = (id, term) => {
// SPA navigation
window.Million.navigate(
new URL(
`${BASE_URL.replace(/\/$/g, "")}${id}#:~:text=${encodeURIComponent(term)}/`
),
'.singlePage'
new URL(`${BASE_URL.replace(/\/$/g, "")}${id}#:~:text=${encodeURIComponent(term)}/`),
".singlePage",
)
closeSearch()
}
@ -169,24 +163,24 @@ const highlight = (content, term) => {
content: content[id].content,
})
const source = document.getElementById('search-bar')
const results = document.getElementById('results-container')
const source = document.getElementById("search-bar")
const results = document.getElementById("results-container")
let term
source.addEventListener('keyup', (e) => {
if (e.key === 'Enter') {
const anchor = document.getElementsByClassName('result-card')[0]
source.addEventListener("keyup", (e) => {
if (e.key === "Enter") {
const anchor = document.getElementsByClassName("result-card")[0]
redir(anchor.id, term)
}
})
source.addEventListener('input', (e) => {
source.addEventListener("input", (e) => {
term = e.target.value
const searchResults = contentIndex.search(term, [
{
field: 'content',
field: "content",
limit: 10,
},
{
field: 'title',
field: "title",
limit: 5,
},
])
@ -198,7 +192,7 @@ const highlight = (content, term) => {
return [...results[0].result]
}
}
const allIds = new Set([...getByField('title'), ...getByField('content')])
const allIds = new Set([...getByField("title"), ...getByField("content")])
const finalResults = [...allIds].map(formatForDisplay)
// display
@ -213,58 +207,55 @@ const highlight = (content, term) => {
resultToHTML({
...result,
term,
})
}),
)
.join('\n')
const anchors = [...document.getElementsByClassName('result-card')]
.join("\n")
const anchors = [...document.getElementsByClassName("result-card")]
anchors.forEach((anchor) => {
anchor.onclick = () => redir(anchor.id, term)
})
}
})
const searchContainer = document.getElementById('search-container')
const searchContainer = document.getElementById("search-container")
function openSearch() {
if (
searchContainer.style.display === 'none' ||
searchContainer.style.display === ''
) {
source.value = ''
results.innerHTML = ''
searchContainer.style.display = 'block'
if (searchContainer.style.display === "none" || searchContainer.style.display === "") {
source.value = ""
results.innerHTML = ""
searchContainer.style.display = "block"
source.focus()
} else {
searchContainer.style.display = 'none'
searchContainer.style.display = "none"
}
}
function closeSearch() {
searchContainer.style.display = 'none'
searchContainer.style.display = "none"
}
document.addEventListener('keydown', (event) => {
if (event.key === 'k' && (event.ctrlKey || event.metaKey)) {
document.addEventListener("keydown", (event) => {
if (event.key === "k" && (event.ctrlKey || event.metaKey)) {
event.preventDefault()
openSearch()
}
if (event.key === 'Escape') {
if (event.key === "Escape") {
event.preventDefault()
closeSearch()
}
})
const searchButton = document.getElementById('search-icon')
searchButton.addEventListener('click', (evt) => {
const searchButton = document.getElementById("search-icon")
searchButton.addEventListener("click", (evt) => {
openSearch()
})
searchButton.addEventListener('keydown', (evt) => {
searchButton.addEventListener("keydown", (evt) => {
openSearch()
})
searchContainer.addEventListener('click', (evt) => {
searchContainer.addEventListener("click", (evt) => {
closeSearch()
})
document.getElementById('search-space').addEventListener('click', (evt) => {
document.getElementById("search-space").addEventListener("click", (evt) => {
evt.stopPropagation()
})
})()

24
layouts/partials/head.html
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@ -10,11 +10,7 @@
end }}
</title>
<meta name="viewport" content="width=device-width, initial-scale=1" />
<link
rel="shortcut icon"
type="image/png"
href="{{$.Site.BaseURL}}/icon.png"
/>
<link rel="shortcut icon" type="image/png" href="{{$.Site.BaseURL}}/icon.png" />
<!-- CSS Stylesheets and Fonts -->
<link
@ -61,12 +57,12 @@
content,
}))
const draw = () => {
// 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.
const render = () => {
// 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
{{if $.Site.Data.config.enableFooter}}
const container = document.getElementById("graph-container")
// retry if the graph is not ready
if (!container) return requestAnimationFrame(draw)
if (!container) return requestAnimationFrame(render)
// clear the graph in case there is anything within it
container.textContent = ""
@ -79,6 +75,7 @@
{{$.Site.Data.graphConfig.enableZoom}}
);
{{end}}
{{if $.Site.Data.config.enableLinkPreview}}
initPopover(
{{strings.TrimRight "/" .Site.BaseURL }},
@ -86,8 +83,12 @@
{{$.Site.Data.config.enableLatex}}
)
{{end}}
}
const init = (doc = document) => {
// 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.
{{if $.Site.Data.config.enableLatex}}
renderMathInElement(document.body, {
renderMathInElement(doc.body, {
delimiters: [
{left: '$$', right: '$$', display: true},
{left: '$', right: '$', display: false},
@ -102,7 +103,7 @@
resources.Minify }}
<script type="module">
import { attachSPARouting } from "{{$router.Permalink}}"
attachSPARouting(draw)
attachSPARouting(init, render)
</script>
{{else}}
<script>
@ -110,7 +111,8 @@
navigate: (url) => (window.location.href = url),
prefetch: () => {},
}
draw()
init()
render()
</script>
{{end}}
</head>

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