parar de usar lua y openring

Menú artístico.gen

@@ -1,55 +0,0 @@
-#!/usr/bin/env lua5.1
-local m = 1
-local f = 2
-
-local tipos = {
-	{"Un collage", m},
-	{"Una intervención contrapublicitaria o contrapropaganda", f},
-	{"Una cerámica", f},
-	{"Un comic", m},
-}
-
-local temas = {
-	"destrucción ambiental",
-	"una canción",
-	"otra obra artística",
-	"el mercado inmobiliario",
-	"redes sociales",
-}
-
-local adjetivos = {
-	{"", ""},
-	{"feo", "fea"},
-}
-
-local random_i = 1
-local function random(list)
-	math.randomseed((''..os.time()):reverse() + random_i)
-	random_i = random_i + 5
-	return list[math.random(#list)]
-end
-
-print("<h2>Algunas obras generadas aleatoriamente</h2><ol>")
-for i=1,10 do
-	local tipo = random(tipos)
-	local tema = random(temas)
-	local adjetivo = random(adjetivos)[tipo[2]]
-	print("<li>"..tipo[1].." "..adjetivo.." sobre "..tema.."</li>")
-end
-print("</ol>")
-
-print("<h2>Tipos de obra</h2><ol>")
-for _, tipo in ipairs(tipos) do
-	print("<li>"..tipo[1].."</li>")
-end
-print("</ol><h2>Algunas características (opcional)</h2><ol>")
-for _, adjetivo in ipairs({unpack(adjetivos, 2)}) do
-	print("<li>"..adjetivo[1].."/"..adjetivo[2].."</li>")
-end
-print("</ol><h2>Temas para la obra</h2><ol>")
-for _, tema in ipairs(temas) do
-	print("<li>"..tema.."</li>")
-end
-print("</ol>")
-
-print("<p><a href='https://gitea.nulo.in/Nulo/sitio/src/branch/ANTIFASCISTA/Men%C3%BA%20art%C3%ADstico.gen'>Código</a></p>")

Menú artístico.gen.js

@@ -0,0 +1,65 @@
+import { a, h2, li, ol, render } from "@nulo/html.js";
+
+const [m, f] = [0, 1];
+
+/** @type {[string, number][]} */
+const tipos = [
+  ["Un collage", m],
+  ["Una intervención contrapublicitaria o contrapropaganda", f],
+  ["Una cerámica", f],
+  ["Un comic", m],
+];
+
+const temas = [
+  "destrucción ambiental",
+  "una canción",
+  "otra obra artística",
+  "el mercado inmobiliario",
+  "redes sociales",
+];
+
+/** @type {[string, string][]} */
+const adjetivos = [
+  ["", ""],
+  ["feo", "fea"],
+];
+
+/** @param {number} n */
+const range = (n) => {
+  let list = [];
+  for (let i = 0; i < n; i++) list.push(i);
+  return list;
+};
+
+/**
+ * @template {any} T
+ * @param {T[]} list
+ * @returns {T}
+ */
+const random = (list) => list[Math.floor(Math.random() * list.length)];
+
+export default () => {
+  return render(
+    h2("Algunas obras generadas aleatoriamente"),
+    ol(
+      ...range(10).map(() => {
+        const tipo = random(tipos);
+        const tema = random(temas);
+        const adjetivo = random(adjetivos)[tipo[1]];
+        return li(tipo[0], " ", adjetivo, " sobre ", tema);
+      })
+    ),
+    h2("Tipos de obra"),
+    ol(...tipos.map((t) => li(t[0]))),
+    h2("Algunas características (opcional)"),
+    ol(...adjetivos.map((a) => li(a[0], "/", a[1]))),
+    h2("Temas para la obra"),
+    ol(...temas.map((t) => li(t))),
+    a(
+      {
+        href: "https://gitea.nulo.in/Nulo/sitio/src/branch/ANTIFASCISTA/Men%C3%BA%20art%C3%ADstico.gen.js",
+      },
+      "Código"
+    )
+  );
+};

Mi webring.gen

@@ -1,32 +0,0 @@
-#!/usr/bin/env lua
-
-local template = [[
-<!-- License-Id: CC0-1.0 -->
-<section class="webring">
-  <section class="articles">
-    <ul>
-    {{range .Articles}}
-    <li class="article">
-      <a href="{{.Link}}" target="_blank" rel="noopener">{{.Title}}</a>
-      <small class="source">
-        via <a href="{{.SourceLink}}">{{.SourceTitle}}</a>
-      </small>
-      <small class="date">({{.Date | datef "January 2, 2006"}})</small>
-    </li>
-    {{end}}
-    </ul>
-  </section>
-  <p class="attribution">
-    Generado usando
-    <a href="https://git.sr.ht/~sircmpwn/openring">openring</a>💕
-  </p>
-</section>
-]]
-
-local code = os.execute("echo '"..template..[[' | openring \
-  -s file:cached-feeds/fauno.xml?url=https://fauno.endefensadelsl.org/feed.xml \
-  -s file:cached-feeds/copiona.xml?url=https://copiona.com/feed.xml
-]])
-if code ~= 0 then
-  os.exit(1)
-end

Mi webring.gen.js

@@ -0,0 +1,82 @@
+import path from "node:path";
+import { readFile } from "node:fs/promises";
+import { parseFeed as _parseFeed } from "htmlparser2";
+import { a, li, raw, render, ul } from "@nulo/html.js";
+import { parseDocument } from "htmlparser2";
+import { getElementsByTagName } from "domutils";
+
+const feeds = {
+  fauno: "https://fauno.endefensadelsl.org/feed.xml",
+  copiona: "https://copiona.com/feed.xml",
+};
+
+export default async () => {
+  const articles = [];
+
+  for (const [name, baseUrl] of Object.entries(feeds)) {
+    /**
+     * @param {string} link
+     * @returns string
+     */
+    const relativeLink = (link) => new URL(link, baseUrl).toString();
+
+    const rawFeed = await readFile(
+      path.join("cached-feeds/", name + ".xml"),
+      "utf-8"
+    );
+    const { title, item, link } = parseFeed(rawFeed);
+
+    articles.push(
+      li(
+        { class: "article" },
+        a(
+          {
+            href: relativeLink(item.link),
+            target: "_blank",
+            rel: "noopener",
+          },
+          item.title
+        ),
+        // TODO: format date
+        " via ",
+        a({ href: relativeLink(link), rel: "noopener" }, title)
+      )
+    );
+  }
+
+  return render(ul(...articles));
+};
+
+/**
+ * parsea un feed de rss encontrando cosas que htmlparser2 solo no encuentra
+ * @param {string} rawFeed
+ */
+function parseFeed(rawFeed) {
+  const feed = _parseFeed(rawFeed);
+  const item = feed?.items[0];
+
+  const dom = parseDocument(rawFeed);
+  const feedDom = getElementsByTagName("feed", dom.childNodes, false)[0];
+  const linksDom = getElementsByTagName("link", feedDom.childNodes, false);
+  const linkDom = linksDom.find((d) => d.attribs.rel === "alternate");
+
+  if (
+    !feed ||
+    !feed.link ||
+    !feed.title ||
+    !item ||
+    !item.link ||
+    !item.title ||
+    !item.pubDate ||
+    !linkDom ||
+    !linkDom.attribs.href
+  ) {
+    throw "no pude parsear";
+  }
+
+  return {
+    title: feed.title,
+    link: linkDom.attribs.href,
+    item: { title: item.title, link: item.link, pubDate: item.pubDate },
+  };
+}

compilar.ts

@@ -82,7 +82,7 @@ async function compileFile(name: string) {
   ) {
     await copyFile(join(config.sourcePath, name), join(config.buildPath, name));
   }
-  if ([".md", ".gen"].includes(extension)) {
+  if ([".md"].includes(extension) || name.endsWith(".gen.js")) {
     pageList.push(basename(name, extension));
     await compilePage(config, name);
   }
@@ -100,8 +100,8 @@ async function compilePage(config: Config, sourceFileName: string) {
       config,
       sourceFileName
     ));
-  } else if (extname(sourceFileName) === ".gen")
+  } else if (sourceFileName.endsWith(".gen.js"))
-    contentHtml = await compileExecutableHtml(config, sourceFileName);
+    contentHtml = await compileJavascript(config, sourceFileName);
   else throw false;
 
   const html = render(
@@ -166,16 +166,12 @@ async function compileMarkdownHtml(
   return { html: contentHtml, image };
 }
 
-async function compileExecutableHtml(
+async function compileJavascript(
   config: Config,
   sourceFileName: string
 ): Promise<string> {
-  const { stdout, stderr } = await execFile(
+  const fn = await import("./" + join(config.sourcePath, sourceFileName));
-    "./" + join(config.sourcePath, sourceFileName)
+  return await fn.default();
-  );
-  if (stderr.length > 0) console.error(`${sourceFileName} stderr: ${stderr}`);
-
-  return stdout;
 }
 
 // ==============================================
@@ -409,8 +405,8 @@ async function hackilyTransformHtml(html: string): Promise<string> {
   for (const [match, archivo] of html.matchAll(
     /<nulo-sitio-reemplazar-con archivo="(.+?)" \/>/g
   )) {
-    if (extname(archivo) !== ".gen") throw false;
+    if (!archivo.endsWith(".gen.js")) throw false;
-    html = html.replace(match, await compileExecutableHtml(config, archivo));
+    html = html.replace(match, await compileJavascript(config, archivo));
   }
   return html;
 }

index.md

@@ -26,7 +26,7 @@ Algunas cosas de las que soy parte:
 
 ## Mis amigxs ([[Mi webring]])
 
-<nulo-sitio-reemplazar-con archivo="Mi webring.gen" />
+<nulo-sitio-reemplazar-con archivo="Mi webring.gen.js" />
 
 ## Contacto
 

package.json

@@ -20,6 +20,8 @@
   },
   "dependencies": {
     "@nulo/html.js": "^0.0.8",
-    "commonmark": "^0.30.0"
+    "commonmark": "^0.30.0",
+    "domutils": "^3.0.1",
+    "htmlparser2": "^8.0.2"
   }
 }

pnpm-lock.yaml

@@ -7,6 +7,12 @@ dependencies:
   commonmark:
     specifier: ^0.30.0
     version: 0.30.0
+  domutils:
+    specifier: ^3.0.1
+    version: 3.0.1
+  htmlparser2:
+    specifier: ^8.0.2
+    version: 8.0.2
 
 devDependencies:
   '@types/commonmark':
@@ -244,10 +250,42 @@ packages:
       string.prototype.repeat: 0.2.0
     dev: false
 
+  /dom-serializer@2.0.0:
+    resolution: {integrity: sha512-wIkAryiqt/nV5EQKqQpo3SToSOV9J0DnbJqwK7Wv/Trc92zIAYZ4FlMu+JPFW1DfGFt81ZTCGgDEabffXeLyJg==}
+    dependencies:
+      domelementtype: 2.3.0
+      domhandler: 5.0.3
+      entities: 4.5.0
+    dev: false
+
+  /domelementtype@2.3.0:
+    resolution: {integrity: sha512-OLETBj6w0OsagBwdXnPdN0cnMfF9opN69co+7ZrbfPGrdpPVNBUj02spi6B1N7wChLQiPn4CSH/zJvXw56gmHw==}
+    dev: false
+
+  /domhandler@5.0.3:
+    resolution: {integrity: sha512-cgwlv/1iFQiFnU96XXgROh8xTeetsnJiDsTc7TYCLFd9+/WNkIqPTxiM/8pSd8VIrhXGTf1Ny1q1hquVqDJB5w==}
+    engines: {node: '>= 4'}
+    dependencies:
+      domelementtype: 2.3.0
+    dev: false
+
+  /domutils@3.0.1:
+    resolution: {integrity: sha512-z08c1l761iKhDFtfXO04C7kTdPBLi41zwOZl00WS8b5eiaebNpY00HKbztwBq+e3vyqWNwWF3mP9YLUeqIrF+Q==}
+    dependencies:
+      dom-serializer: 2.0.0
+      domelementtype: 2.3.0
+      domhandler: 5.0.3
+    dev: false
+
   /entities@2.0.3:
     resolution: {integrity: sha512-MyoZ0jgnLvB2X3Lg5HqpFmn1kybDiIfEQmKzTb5apr51Rb+T3KdmMiqa70T+bhGnyv7bQ6WMj2QMHpGMmlrUYQ==}
     dev: false
 
+  /entities@4.5.0:
+    resolution: {integrity: sha512-V0hjH4dGPh9Ao5p0MoRY6BVqtwCjhz6vI5LT8AJ55H+4g9/4vbHx1I54fS0XuclLhDHArPQCiMjDxjaL8fPxhw==}
+    engines: {node: '>=0.12'}
+    dev: false
+
   /esbuild@0.16.17:
     resolution: {integrity: sha512-G8LEkV0XzDMNwXKgM0Jwu3nY3lSTwSGY6XbxM9cr9+s0T/qSV1q1JVPBGzm3dcjhCic9+emZDmMffkwgPeOeLg==}
     engines: {node: '>=12'}
@@ -278,6 +316,15 @@ packages:
       '@esbuild/win32-x64': 0.16.17
     dev: true
 
+  /htmlparser2@8.0.2:
+    resolution: {integrity: sha512-GYdjWKDkbRLkZ5geuHs5NY1puJ+PXwP7+fHPRz06Eirsb9ugf6d8kkXav6ADhcODhFFPMIXyxkxSuMf3D6NCFA==}
+    dependencies:
+      domelementtype: 2.3.0
+      domhandler: 5.0.3
+      domutils: 3.0.1
+      entities: 4.5.0
+    dev: false
+
   /mdurl@1.0.1:
     resolution: {integrity: sha512-/sKlQJCBYVY9Ers9hqzKou4H6V5UWc/M59TH2dvkt+84itfnq7uFOMLpOiOS4ujvHP4etln18fmIxA5R5fll0g==}
     dev: false

tool

@@ -2,10 +2,11 @@
 
 build_ts() {
     ./node_modules/.bin/esbuild compilar.ts --target=node18 --outdir=build.js --sourcemap || exit $?
+    cp *.js build.js/
 }
 build() {
     build_ts
-    node --enable-source-maps build.js/compilar.js || exit $?
+    node --enable-source-maps --trace-uncaught build.js/compilar.js || exit $?
 }
 check() {
     ./node_modules/.bin/tsc --noEmit || exit $?

tooling/Containerfile

@@ -1,10 +1,6 @@
 FROM docker.io/alpine:3.17
 
-RUN apk add --no-cache nodejs npm lua5.1 icu-data-full \
+RUN apk add --no-cache nodejs npm icu-data-full \
     rsync openssh-client-default
 
-# https://gitea.nulo.in/Nulo/openring/releases/tag/1.0.1-nulo-sitio-2
-RUN wget -nv -O /bin/openring https://gitea.nulo.in/attachments/3ddb2799-3af7-4239-a7fd-9d31670aefb8 && \
-    chmod +x /bin/openring
-
 RUN npm install --global pnpm

tsconfig.json

@@ -4,6 +4,8 @@
     "module": "es2022",
     "moduleResolution": "node",
     "esModuleInterop": true,
-    "strict": true
+    "strict": true,
+    "allowJs": true,
+    "checkJs": true
   }
 }