otro generador de sitios estáticos? en serio?

.gitignore

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+node_modules/

gen.js

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+import { lstat, mkdir, readdir } from "fs/promises";
+import { dirname, join, relative, resolve } from "path";
+import { cwd } from "process";
+
+import js from "./transformers/js.js";
+import copy from "./transformers/copy.js";
+
+const sitegenConfigPath = join(cwd(), "sitegen.config.js");
+/** @type {any} */
+let config = {};
+try {
+  await lstat(sitegenConfigPath);
+  config = await import(sitegenConfigPath);
+} catch {}
+
+const inputDirPath = "./src";
+const outputDirPath = join(cwd(), "_site");
+
+const transformers = {
+  ".s.js": js,
+  ".s.jsx": js,
+  ".png": copy,
+  ".jpg": copy,
+  ".jpeg": copy,
+  ".avif": copy,
+  ".webp": copy,
+  ".woff": copy,
+  ".woff2": copy,
+  ...(config?.transformers || {}),
+};
+
+let built = 0;
+
+/**
+ * @param {string} path
+ */
+async function buildFile(path) {
+  const transformerEnt = Object.entries(transformers).find(([ext]) =>
+    path.endsWith(ext)
+  );
+  if (!transformerEnt) return;
+  const outputPath = join(outputDirPath, relative(inputDirPath, path));
+  await mkdir(dirname(outputPath), { recursive: true });
+  const transformer = transformerEnt[1];
+  try {
+    await transformer.build(path, outputPath);
+  } catch (error) {
+    console.error(`While building ${path}`);
+    throw error;
+  }
+  built++;
+}
+
+/**
+ * @param {string} dir
+ * @returns {Promise<void>}
+ */
+async function buildDir(dir) {
+  const children = await readdir(dir, { withFileTypes: true });
+  await Promise.all(
+    children.map((child) => {
+      const path = join(dir, child.name);
+      if (resolve(path) === resolve(outputDirPath)) return;
+      if (resolve(path) === resolve("node_modules")) return;
+      if (resolve(path) === resolve(".git")) return;
+      if (child.isDirectory()) return buildDir(path);
+      else if (child.isFile()) return buildFile(path);
+    })
+  );
+}
+
+console.time("build");
+await buildDir(inputDirPath);
+console.timeEnd("build");
+console.info(`Built ${built} files into ${outputDirPath}.`);

package.json

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+{
+  "name": "sitegen",
+  "type": "module",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "bin": {
+    "sitegen": "./gen.js"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "esbuild": "^0.18.17",
+    "nanoid": "^4.0.2",
+    "vhtml": "^2.2.0"
+  },
+  "devDependencies": {
+    "@tsconfig/node18": "^18.2.0",
+    "@types/node": "^20.4.6",
+    "typescript": "^5.1.6"
+  }
+}

pnpm-lock.yaml

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+lockfileVersion: '6.0'
+
+settings:
+  autoInstallPeers: true
+  excludeLinksFromLockfile: false
+
+dependencies:
+  esbuild:
+    specifier: ^0.18.17
+    version: 0.18.17
+  nanoid:
+    specifier: ^4.0.2
+    version: 4.0.2
+  vhtml:
+    specifier: ^2.2.0
+    version: 2.2.0
+
+devDependencies:
+  '@tsconfig/node18':
+    specifier: ^18.2.0
+    version: 18.2.0
+  '@types/node':
+    specifier: ^20.4.6
+    version: 20.4.6
+  typescript:
+    specifier: ^5.1.6
+    version: 5.1.6
+
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+      '@esbuild/win32-x64': 0.18.17
+    dev: false
+
+  /nanoid@4.0.2:
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+    engines: {node: ^14 || ^16 || >=18}
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+
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+    dev: false

transformers/copy.js

@@ -0,0 +1,7 @@
+import { copyFile, constants } from "fs/promises";
+
+export default class CopyTransformer {
+  static async build(inputPath, outputPath) {
+    await copyFile(inputPath, outputPath, constants.COPYFILE_FICLONE);
+  }
+}

transformers/js.js

@@ -0,0 +1,83 @@
+import { nanoid } from "nanoid";
+import { build } from "esbuild";
+import { mkdir, readFile, rm, writeFile } from "fs/promises";
+import { cwd } from "process";
+import { basename, dirname, join } from "path";
+import h from "vhtml";
+
+globalThis.vhtml = h;
+
+export default class JsTransformer {
+  /**
+   * @param {string} inputPath
+   * @param {string} outputPath
+   */
+  static async build(inputPath, outputPath) {
+    outputPath = join(
+      dirname(outputPath),
+      basename(outputPath, ".s.jsx") + ".html"
+    );
+    const outfile = join(cwd(), `${nanoid()}.mjs`);
+    await mkdir(dirname(outfile), { recursive: true });
+    try {
+      await build({
+        entryPoints: [join(cwd(), inputPath)],
+        outfile,
+        format: "esm",
+        loader: {
+          ".json": "json",
+        },
+
+        bundle: true,
+        platform: "node",
+        plugins: [
+          {
+            name: "svg-jsx",
+            setup(build) {
+              build.onLoad({ filter: /\.svg$/ }, async (args) => {
+                const f = await readFile(args.path, "utf-8");
+                const js = `
+                export default (props) => {
+                  let s = \`${f}\`;
+                  if (props.class)
+                    s = s.replace("<svg", \`<svg class="\${props.class}"\`);
+                  return (
+                    <div
+                      class={props.containerClass}
+                      dangerouslySetInnerHTML={{ __html: s }}
+                    ></div>
+                  );
+                };
+                `;
+                return { contents: js, loader: "jsx" };
+              });
+            },
+          },
+          {
+            name: "relative-import-path",
+            setup(build) {
+              build.onResolve({ filter: /./ }, (args) => {
+                if (args.path.endsWith(".json") || args.path.endsWith(".svg"))
+                  return { path: join(args.resolveDir, args.path) };
+                else if (args.path.startsWith("."))
+                  return {
+                    path: join(args.resolveDir, args.path),
+                    external: true,
+                  };
+                else return { path: args.path, external: !!args.importer };
+              });
+            },
+          },
+        ],
+
+        jsxFactory: "h",
+        banner: { js: `const h = globalThis.vhtml;` },
+      });
+      const file = await import(outfile);
+      const html = "<!doctype html>" + (await file.render());
+      await writeFile(outputPath, html);
+    } finally {
+    }
+    await rm(outfile);
+  }
+}

tsconfig.json

@@ -0,0 +1,8 @@
+{
+  "extends": "@tsconfig/node18/tsconfig.json",
+  "compilerOptions": {
+    "allowJs": true,
+    "checkJs": true,
+    "noEmit": true
+  }
+}