mirror of https://github.com/osmarks/website
451 lines
18 KiB
JavaScript
451 lines
18 KiB
JavaScript
const fsp = require("fs").promises
|
|
const fse = require("fs-extra")
|
|
const MarkdownIt = require("markdown-it")
|
|
const pug = require("pug")
|
|
const path = require("path")
|
|
const matter = require("gray-matter")
|
|
const mustache = require("mustache")
|
|
const globalData = require("./global.json")
|
|
const sass = require("sass")
|
|
const R = require("ramda")
|
|
const dayjs = require("dayjs")
|
|
const customParseFormat = require("dayjs/plugin/customParseFormat")
|
|
const nanoid = require("nanoid")
|
|
const htmlMinifier = require("html-minifier").minify
|
|
const terser = require("terser")
|
|
const util = require("util")
|
|
const childProcess = require("child_process")
|
|
const chalk = require("chalk")
|
|
const crypto = require("crypto")
|
|
const uuid = require("uuid")
|
|
const sqlite = require("better-sqlite3")
|
|
const axios = require("axios")
|
|
const msgpack = require("@msgpack/msgpack")
|
|
const esbuild = require("esbuild")
|
|
|
|
dayjs.extend(customParseFormat)
|
|
|
|
const root = path.join(__dirname, "..")
|
|
const templateDir = path.join(root, "templates")
|
|
const experimentDir = path.join(root, "experiments")
|
|
const blogDir = path.join(root, "blog")
|
|
const errorPagesDir = path.join(root, "error")
|
|
const assetsDir = path.join(root, "assets")
|
|
const outDir = path.join(root, "out")
|
|
const srcDir = path.join(root, "src")
|
|
|
|
const buildID = nanoid()
|
|
globalData.buildID = buildID
|
|
|
|
const randomPick = xs => xs[Math.floor(Math.random() * xs.length)]
|
|
globalData.siteDescription = randomPick(globalData.taglines)
|
|
|
|
const hexPad = x => Math.round(x).toString(16).padStart(2, "0")
|
|
function hslToRgb(h, s, l) {
|
|
var r, g, b;
|
|
|
|
if (s == 0) {
|
|
r = g = b = l; // achromatic
|
|
} else {
|
|
function hue2rgb(p, q, t) {
|
|
if (t < 0) t += 1;
|
|
if (t > 1) t -= 1;
|
|
if (t < 1/6) return p + (q - p) * 6 * t;
|
|
if (t < 1/2) return q;
|
|
if (t < 2/3) return p + (q - p) * (2/3 - t) * 6;
|
|
return p;
|
|
}
|
|
|
|
var q = l < 0.5 ? l * (1 + s) : l + s - l * s;
|
|
var p = 2 * l - q;
|
|
|
|
r = hue2rgb(p, q, h + 1/3);
|
|
g = hue2rgb(p, q, h);
|
|
b = hue2rgb(p, q, h - 1/3);
|
|
}
|
|
|
|
return `#${hexPad(r * 255)}${hexPad(g * 255)}${hexPad(b * 255)}`
|
|
}
|
|
const hashBG = (cls, i) => {
|
|
const buf = crypto.createHash("md5").update(cls).digest()
|
|
const base = (buf[0] + 256 * buf[1]) % 360
|
|
const hue = (base + i * 37) % 360
|
|
return `background: ${hslToRgb(hue / 360, 1, 0.9)}; background: hsl(${hue}deg, var(--autocol-saturation), var(--autocol-lightness))`
|
|
}
|
|
globalData.hashBG = hashBG
|
|
|
|
const removeExtension = x => x.replace(/\.[^/.]+$/, "")
|
|
|
|
const mdutils = MarkdownIt().utils
|
|
const renderContainer = (tokens, idx) => {
|
|
let opening = true
|
|
if (tokens[idx].type === "container__close") {
|
|
let nesting = 0
|
|
for (; tokens[idx].type !== "container__open" && nesting !== 1; idx--) {
|
|
nesting += tokens[idx].nesting
|
|
}
|
|
opening = false
|
|
}
|
|
const m = tokens[idx].info.trim().split(" ");
|
|
const blockType = m[0]
|
|
|
|
const options = {}
|
|
for (const arg of m.slice(1)) {
|
|
const [k, v] = arg.split("=", 2)
|
|
options[k] = v ?? true
|
|
}
|
|
|
|
if (opening) {
|
|
if (blockType === "captioned") {
|
|
const link = `<a href="${md.utils.escapeHtml(options.src)}">`
|
|
return `<div class="${options.wide ? "caption wider" : "caption"}">${options.link ? link : ""}<img src="${md.utils.escapeHtml(options.src)}">${options.link ? "</a>" : ""}`
|
|
}
|
|
} else {
|
|
if (blockType === "captioned") {
|
|
return `</div>`
|
|
}
|
|
}
|
|
throw new Error(`unrecognized blockType ${blockType}`)
|
|
}
|
|
|
|
const readFile = path => fsp.readFile(path, { encoding: "utf8" })
|
|
const anchor = require("markdown-it-anchor")
|
|
const md = new MarkdownIt({ html: true })
|
|
.use(require("markdown-it-container"), "", { render: renderContainer, validate: params => true })
|
|
.use(require("markdown-it-footnote"))
|
|
.use(anchor, {
|
|
permalink: anchor.permalink["headerLink"]({
|
|
symbol: "§"
|
|
})
|
|
})
|
|
const minifyHTML = x => htmlMinifier(x, {
|
|
collapseWhitespace: true,
|
|
sortAttributes: true,
|
|
sortClassName: true,
|
|
removeRedundantAttributes: true,
|
|
removeAttributeQuotes: true,
|
|
conservativeCollapse: true,
|
|
collapseBooleanAttributes: true
|
|
})
|
|
const renderMarkdown = x => md.render(x)
|
|
// basically just whitespace removal - fast and still pretty good versus unminified code
|
|
const minifyJS = (x, filename) => {
|
|
const res = terser.minify(x, {
|
|
mangle: true,
|
|
compress: true,
|
|
sourceMap: {
|
|
filename,
|
|
url: filename + ".map"
|
|
}
|
|
})
|
|
if (res.warnings) {
|
|
for (const warn of res.warnings) {
|
|
console.warn("MINIFY WARNING:", warn)
|
|
}
|
|
}
|
|
if (res.error) {
|
|
console.warn("MINIFY ERROR:", res.error)
|
|
throw new Error("could not minify " + filename)
|
|
}
|
|
return res
|
|
}
|
|
const minifyJSFile = (incode, filename, out) => {
|
|
const res = minifyJS(incode, filename)
|
|
return Promise.all([ fsp.writeFile(out, res.code), fsp.writeFile(out + ".map", res.map) ])
|
|
}
|
|
|
|
const parseFrontMatter = content => {
|
|
const raw = matter(content)
|
|
if (raw.data.updated) {
|
|
raw.data.updated = dayjs(raw.data.updated, "DD/MM/YYYY")
|
|
}
|
|
if (raw.data.created) {
|
|
raw.data.created = dayjs(raw.data.created, "DD/MM/YYYY")
|
|
}
|
|
if (raw.data.created && !raw.data.updated) { raw.data.updated = raw.data.created }
|
|
return raw
|
|
}
|
|
|
|
const loadDir = async (dir, func) => {
|
|
const files = await fsp.readdir(dir)
|
|
const out = {}
|
|
await Promise.all(files.map(async file => {
|
|
out[removeExtension(file)] = await func(path.join(dir, file), file)
|
|
}))
|
|
return out
|
|
}
|
|
|
|
const applyTemplate = async (template, input, getOutput, options = {}) => {
|
|
const page = parseFrontMatter(await readFile(input))
|
|
if (options.processMeta) { options.processMeta(page.data, page) }
|
|
if (options.processContent) { page.originalContent = page.content; page.content = options.processContent(page.content) }
|
|
const rendered = template({ ...globalData, ...page.data, content: page.content })
|
|
await fsp.writeFile(await getOutput(page), minifyHTML(rendered))
|
|
page.data.full = page
|
|
return page.data
|
|
}
|
|
|
|
const addGuids = R.map(x => ({ ...x, guid: uuid.v5(`${x.lastUpdate}:${x.slug}`, "9111a1fc-59c3-46f0-9ab4-47c607a958f2") }))
|
|
|
|
const processExperiments = async () => {
|
|
const templates = globalData.templates
|
|
const experiments = await loadDir(experimentDir, (subdirectory, basename) => {
|
|
return applyTemplate(
|
|
templates.experiment,
|
|
path.join(subdirectory, "index.html"),
|
|
async page => {
|
|
const out = path.join(outDir, page.data.slug)
|
|
await fse.ensureDir(out)
|
|
const allFiles = await fsp.readdir(subdirectory)
|
|
await Promise.all(allFiles.map(file => {
|
|
if (file !== "index.html") {
|
|
return fse.copy(path.join(subdirectory, file), path.join(out, file))
|
|
}
|
|
}))
|
|
return path.join(out, "index.html")
|
|
},
|
|
{ processMeta: meta => {
|
|
meta.slug = meta.slug || basename
|
|
}})
|
|
})
|
|
console.log(chalk.yellow(`${Object.keys(experiments).length} experiments`))
|
|
globalData.experiments = R.sortBy(x => x.title, R.values(experiments))
|
|
}
|
|
|
|
const processBlog = async () => {
|
|
const templates = globalData.templates
|
|
const blog = await loadDir(blogDir, async (file, basename) => {
|
|
return applyTemplate(templates.blogPost, file, async page => {
|
|
const out = path.join(outDir, page.data.slug)
|
|
await fse.ensureDir(out)
|
|
return path.join(out, "index.html")
|
|
}, { processMeta: (meta, page) => {
|
|
meta.slug = meta.slug || removeExtension(basename)
|
|
meta.wordCount = page.content.split(/\s+/).map(x => x.trim()).filter(x => x).length
|
|
meta.haveSidenotes = true
|
|
}, processContent: renderMarkdown })
|
|
})
|
|
console.log(chalk.yellow(`${Object.keys(blog).length} blog entries`))
|
|
globalData.blog = addGuids(R.filter(x => !x.draft, R.sortBy(x => x.updated ? -x.updated.valueOf() : 0, R.values(blog))))
|
|
}
|
|
|
|
const processErrorPages = () => {
|
|
const templates = globalData.templates
|
|
return loadDir(errorPagesDir, async (file, basename) => {
|
|
return applyTemplate(templates.experiment, file, async page => {
|
|
return path.join(outDir, basename)
|
|
})
|
|
})
|
|
}
|
|
|
|
const outAssets = path.join(outDir, "assets")
|
|
|
|
globalData.renderDate = date => date.format(globalData.dateFormat)
|
|
const metricPrefixes = ["", "k", "M", "G", "T", "P", "E", "Z", "Y"]
|
|
const applyMetricPrefix = (x, unit) => {
|
|
let log = Math.log10(x)
|
|
let exp = x !== 0 ? Math.floor(log / 3) : 0
|
|
let val = x / Math.pow(10, exp * 3)
|
|
return (exp !== 0 ? val.toFixed(3 - (log - exp * 3)) : val) + metricPrefixes[exp] + unit
|
|
}
|
|
globalData.metricPrefix = applyMetricPrefix
|
|
|
|
const writeBuildID = () => fsp.writeFile(path.join(outDir, "buildID.txt"), buildID)
|
|
|
|
const index = async () => {
|
|
const index = globalData.templates.index({ ...globalData, title: "Index", posts: globalData.blog, description: globalData.siteDescription })
|
|
await fsp.writeFile(path.join(outDir, "index.html"), index)
|
|
}
|
|
|
|
const cache = sqlite("cache.sqlite3")
|
|
cache.exec("CREATE TABLE IF NOT EXISTS cache (k TEXT NOT NULL PRIMARY KEY, v BLOB NOT NULL, ts INTEGER NOT NULL)")
|
|
const writeCacheStmt = cache.prepare("INSERT OR REPLACE INTO cache VALUES (?, ?, ?)")
|
|
const readCacheStmt = cache.prepare("SELECT * FROM cache WHERE k = ?")
|
|
const readCache = (k, maxAge=null, ts=null) => {
|
|
const row = readCacheStmt.get(k)
|
|
if (!row) return
|
|
if ((maxAge && row.ts < (Date.now() - maxAge) || (ts && row.ts != ts))) return
|
|
return msgpack.decode(row.v)
|
|
}
|
|
const writeCache = (k, v, ts=Date.now()) => {
|
|
const enc = msgpack.encode(v)
|
|
writeCacheStmt.run(k, Buffer.from(enc.buffer, enc.byteOffset, enc.byteLength), ts)
|
|
}
|
|
|
|
const fetchMicroblog = async () => {
|
|
const cached = readCache("microblog", 60*60*1000)
|
|
if (cached) {
|
|
globalData.microblog = cached
|
|
} else {
|
|
const posts = (await axios({ url: globalData.microblogSource, headers: { "Accept": 'application/ld+json; profile="https://www.w3.org/ns/activitystreams"' } })).data.orderedItems
|
|
writeCache("microblog", posts)
|
|
globalData.microblog = posts
|
|
}
|
|
|
|
globalData.microblog = globalData.microblog.slice(0, 6).map((post, i) => minifyHTML(globalData.templates.activitypub({
|
|
...globalData,
|
|
permalink: post.object.id,
|
|
date: dayjs(post.object.published),
|
|
content: post.object.content,
|
|
i
|
|
})))
|
|
|
|
}
|
|
|
|
const runOpenring = async () => {
|
|
const cached = readCache("openring", 60*60*1000)
|
|
if (cached) { globalData.openring = cached; return }
|
|
// wildly unsafe but only runs on input from me anyway
|
|
const arg = `./openring -n6 ${globalData.feeds.map(x => '-s "' + x + '"').join(" ")} < openring.html`
|
|
console.log(chalk.keyword("orange")("Openring:") + " " + arg)
|
|
const out = await util.promisify(childProcess.exec)(arg)
|
|
console.log(chalk.keyword("orange")("Openring:") + "\n" + out.stderr.trim())
|
|
globalData.openring = minifyHTML(out.stdout)
|
|
writeCache("openring", globalData.openring)
|
|
}
|
|
|
|
const compileCSS = async () => {
|
|
let css = sass.renderSync({
|
|
data: await readFile(path.join(srcDir, "style.sass")),
|
|
outputStyle: "compressed",
|
|
indentedSyntax: true
|
|
}).css
|
|
css += "\n"
|
|
css += await fsp.readFile(path.join(srcDir, "comments.css"))
|
|
globalData.css = css
|
|
}
|
|
|
|
const loadTemplates = async () => {
|
|
globalData.templates = await loadDir(templateDir, async fullPath => pug.compile(await readFile(fullPath), { filename: fullPath }))
|
|
}
|
|
|
|
const genRSS = async () => {
|
|
const rssFeed = globalData.templates.rss({ ...globalData, items: globalData.blog, lastUpdate: new Date() })
|
|
await fsp.writeFile(path.join(outDir, "rss.xml"), rssFeed)
|
|
}
|
|
|
|
const genManifest = async () => {
|
|
const m = mustache.render(await readFile(path.join(assetsDir, "manifest.webmanifest")), globalData)
|
|
fsp.writeFile(path.join(outAssets, "manifest.webmanifest"), m)
|
|
}
|
|
|
|
const minifyJSTask = async () => {
|
|
const jsDir = path.join(assetsDir, "js")
|
|
const jsOutDir = path.join(outAssets, "js")
|
|
await Promise.all((await fsp.readdir(jsDir)).map(async file => {
|
|
const fullpath = path.join(jsDir, file)
|
|
await minifyJSFile(await readFile(fullpath), file, path.join(jsOutDir, file))
|
|
}))
|
|
}
|
|
|
|
const compilePageJSTask = async () => {
|
|
await esbuild.build({
|
|
entryPoints: [ path.join(srcDir, "page.js") ],
|
|
bundle: true,
|
|
outfile: path.join(outAssets, "js/page.js"),
|
|
minify: true,
|
|
sourcemap: true
|
|
})
|
|
}
|
|
|
|
const genServiceWorker = async () => {
|
|
const serviceWorker = mustache.render(await readFile(path.join(assetsDir, "sw.js")), globalData)
|
|
await minifyJSFile(serviceWorker, "sw.js", path.join(outDir, "sw.js"))
|
|
}
|
|
|
|
const copyAsset = subpath => fse.copy(path.join(assetsDir, subpath), path.join(outAssets, subpath))
|
|
|
|
const doImages = async () => {
|
|
copyAsset("images")
|
|
copyAsset("titillium-web.woff2")
|
|
copyAsset("titillium-web-semibold.woff2")
|
|
copyAsset("share-tech-mono.woff2")
|
|
globalData.images = {}
|
|
await Promise.all(
|
|
(await fse.readdir(path.join(assetsDir, "images"), { encoding: "utf-8" })).map(async image => {
|
|
if (image.endsWith(".original")) { // generate alternative formats
|
|
const stripped = image.replace(/\.original$/).split(".").slice(0, -1).join(".")
|
|
const fullPath = path.join(assetsDir, "images", image)
|
|
const stat = await fse.stat(fullPath)
|
|
const writeFormat = async (name, ext, cmd, supplementaryArgs, suffix="") => {
|
|
let bytes = readCache(`images/${stripped}/${name}`, null, stat.mtimeMs)
|
|
const destFilename = stripped + ext
|
|
const destPath = path.join(outAssets, "images", destFilename)
|
|
if (!bytes) {
|
|
console.log(chalk.keyword("orange")(`Compressing image ${stripped} (${name})`))
|
|
await util.promisify(childProcess.execFile)(cmd, supplementaryArgs.concat([
|
|
fullPath,
|
|
destPath
|
|
]))
|
|
writeCache(`images/${stripped}/${name}`, await fsp.readFile(destPath), stat.mtimeMs)
|
|
} else {
|
|
await fsp.writeFile(destPath, bytes)
|
|
}
|
|
|
|
return "/assets/images/" + destFilename
|
|
}
|
|
const avif = await writeFormat("avif", ".avif", "avifenc", ["-s", "0", "-q", "20"], " 2x")
|
|
const avifc = await writeFormat("avif-compact", ".c.avif", path.join(srcDir, "avif_compact.sh"), [])
|
|
const jpeg = await writeFormat("jpeg-scaled", ".jpg", "_fallback", "convert", ["-resize", "25%", "-format", "jpeg"])
|
|
globalData.images[stripped] = [
|
|
["image/avif", `${avifc}, ${avif} 2x`],
|
|
["_fallback", jpeg]
|
|
]
|
|
} else {
|
|
globalData.images[image.split(".").slice(0, -1).join(".")] = "/assets/images/" + image
|
|
}
|
|
})
|
|
)
|
|
}
|
|
|
|
const tasks = {
|
|
errorPages: { deps: ["pagedeps"], fn: processErrorPages },
|
|
templates: { deps: [], fn: loadTemplates },
|
|
pagedeps: { deps: ["templates", "css"] },
|
|
css: { deps: [], fn: compileCSS },
|
|
writeBuildID: { deps: [], fn: writeBuildID },
|
|
index: { deps: ["openring", "pagedeps", "blog", "experiments", "images", "fetchMicroblog"], fn: index },
|
|
openring: { deps: [], fn: runOpenring },
|
|
rss: { deps: ["blog"], fn: genRSS },
|
|
blog: { deps: ["pagedeps"], fn: processBlog },
|
|
fetchMicroblog: { deps: ["templates"], fn: fetchMicroblog },
|
|
experiments: { deps: ["pagedeps"], fn: processExperiments },
|
|
assetsDir: { deps: [], fn: () => fse.ensureDir(outAssets) },
|
|
manifest: { deps: ["assetsDir"], fn: genManifest },
|
|
minifyJS: { deps: ["assetsDir"], fn: minifyJSTask },
|
|
compilePageJS: { deps: ["assetsDir"], fn: compilePageJSTask },
|
|
serviceWorker: { deps: [], fn: genServiceWorker },
|
|
images: { deps: ["assetsDir"], fn: doImages },
|
|
offlinePage: { deps: ["assetsDir", "pagedeps"], fn: () => applyTemplate(globalData.templates.experiment, path.join(assetsDir, "offline.html"), () => path.join(outAssets, "offline.html"), {}) },
|
|
assets: { deps: ["manifest", "minifyJS", "serviceWorker", "images", "compilePageJS"] },
|
|
main: { deps: ["writeBuildID", "index", "errorPages", "assets", "experiments", "blog", "rss"] }
|
|
}
|
|
|
|
const compile = async () => {
|
|
const done = new Set()
|
|
const inProgress = new Set()
|
|
const go = async finished => {
|
|
if (finished) {
|
|
inProgress.delete(finished)
|
|
done.add(finished)
|
|
console.log(`[${done.size}/${Object.keys(tasks).length}] ` + chalk.green(`Done ${finished}`))
|
|
}
|
|
for (const [task, conf] of Object.entries(tasks)) {
|
|
if (!inProgress.has(task) && !done.has(task) && conf.deps.every(x => done.has(x))) { // dependencies now satisfied for task, execute it
|
|
inProgress.add(task)
|
|
const callback = () => go(task)
|
|
if (conf.fn) {
|
|
console.log(chalk.cyanBright(`Executing ${task}`))
|
|
Promise.resolve(conf.fn()).then(callback, err => {
|
|
console.error(`Error in ${task}: ${err.stack}`)
|
|
process.exit(1)
|
|
})
|
|
} else {
|
|
setImmediate(callback)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
go()
|
|
}
|
|
compile() |