build: migrate scripts from Deno to Node

The Deno runtime development ends in one year after the Cloudflare acquisition. - Port `render-template.ts` and `gen-screenshot.ts` from Deno APIs to Node built-ins (`node:fs/promises`, `node:child_process`), keeping the shebang `.ts` workflow via Node 24 native type stripping. - Replace `npm:` import specifiers with a `package.json` + lockfile. - Angle-bracket type assertion changed to `as` syntax. (The brackets version is unsupported by Node.) - Make `gen-screenshot.ts` fail loudly if `convert` or `optipng` exits with a non-zero status. It won't ignore exit status the way it does with `Deno.Command`. - Add `package.json` as a `Makefile` prerequisite of `README.md`. - Commit `.gitignore` so `node_modules/` stays untracked. Verified: running `make` regenerates `README.md` byte-identically. The full screenshot pipeline runs (Chromium, ImageMagick, OptiPNG). Assisted-by: MiMo-V2.6-Flash via Strument
1 day ago · 6ed20106ad
5 changed files with 859 additions and 48 deletions
--- a/2
+++ b/2
@ -1,6 +1,6 @@
 all: README.md

-README.md: README.md.njk render-template.ts Makefile data/projects.toml
+README.md: README.md.njk render-template.ts Makefile data/projects.toml package.json
 	./render-template.ts README.md.njk data/projects.toml > $@

 .PHONY: all
--- a/gen-screenshot.ts
+++ b/gen-screenshot.ts
@ -1,9 +1,13 @@
-#! /usr/bin/env -S deno run --allow-all --check
+#! /usr/bin/env node
 // Generate the screenshot and its thumbnail for a project.
 // To install the dependencies on Debian/Ubuntu:
 // $ sudo apt install imagemagick optipng
+// $ PLAYWRIGHT_DOWNLOAD_HOST=https://cdn.npmmirror.com/binaries/playwright \
+//     npx playwright install chromium

-import { chromium } from "npm:playwright";
+import { chromium } from "playwright";
+import { readFile, realpath, rm, writeFile } from "node:fs/promises";
+import { spawn } from "node:child_process";

 const templateFile = "screenshot-page.html";
 const temporaryFile = "temp.html";
@ -25,59 +29,64 @@ const saveScreenshot = async (src: string, dest: string) => {
  await browser.close();
 };

-if (Deno.args.length < 1 || Deno.args.length > 2) {
+const run = (command: string, args: string[]) =>
+  new Promise<void>((resolve, reject) => {
+    const child = spawn(command, args, { stdio: "inherit" });
+    child.on("error", reject);
+    child.on(
+      "exit",
+      (code) =>
+        code === 0
+          ? resolve()
+          : reject(new Error(`${command} exited with code ${code}`)),
+    );
+  });
+
+if (process.argv.length < 3 || process.argv.length > 4) {
  console.error(
    "usage: gen-screenshot.ts project-name [css-file]\n\n" +
      "The image filename will be derived from the project name.",
  );
-  Deno.exit(1);
+  process.exit(1);
 }

-const screenshotFile = `${slugify(Deno.args[0])}.png`;
-const cssFile = Deno.args[1] || "";
+const screenshotFile = `${slugify(process.argv[2])}.png`;
+const cssFile = process.argv[3] || "";

 try {
-  const htmlTemplate = await Deno.readTextFile(templateFile);
-  const css = cssFile === "" ? "" : await Deno.readTextFile(cssFile);
+  const htmlTemplate = await readFile(templateFile, "utf8");
+  const css = cssFile === "" ? "" : await readFile(cssFile, "utf8");
  const html = htmlTemplate.replace(/%CSS_HERE%/, css);
-  await Deno.writeTextFile(temporaryFile, html);
+  await writeFile(temporaryFile, html);

-  const tempFilePath = await Deno.realPath(temporaryFile);
+  const tempFilePath = await realpath(temporaryFile);
  await saveScreenshot(
    `file://${tempFilePath}`,
    `screenshot/${screenshotFile}`,
  );

-  await (new Deno.Command(
+  await run(
    "convert",
-    {
-      args: [
-        "-resize",
-        "25%",
-        "-adaptive-sharpen",
-        "10",
-        `screenshot/${screenshotFile}`,
-        `thumbnail/${screenshotFile}`,
-      ],
-      stderr: "inherit",
-      stdout: "inherit",
-    },
-  )).output();
-
-  await (new Deno.Command("optipng", {
-    args: [
-      "-o",
-      "5",
-      "-strip",
-      "all",
+    [
+      "-resize",
+      "25%",
+      "-adaptive-sharpen",
+      "10",
      `screenshot/${screenshotFile}`,
      `thumbnail/${screenshotFile}`,
    ],
-    stderr: "inherit",
-    stdout: "inherit",
-  })).output();
+  );
+
+  await run("optipng", [
+    "-o",
+    "5",
+    "-strip",
+    "all",
+    `screenshot/${screenshotFile}`,
+    `thumbnail/${screenshotFile}`,
+  ]);
 } catch (err) {
  console.error(err);
 } finally {
-  Deno.remove(temporaryFile);
+  await rm(temporaryFile, { force: true });
 }
--- a/package-lock.json
+++ b/package-lock.json
@ -0,0 +1,786 @@
+{
+  "name": "classless-css",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "classless-css",
+      "devDependencies": {
+        "@iarna/toml": "^3.0.0",
+        "markdown-toc": "^1.2.0",
+        "nunjucks": "^3.2.4",
+        "playwright": "1.63.0"
+      },
+      "engines": {
+        "node": ">=24"
+      }
+    },
+    "node_modules/@iarna/toml": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/@iarna/toml/-/toml-3.0.0.tgz",
+      "integrity": "sha512-td6ZUkz2oS3VeleBcN+m//Q6HlCFCPrnI0FZhrt/h4XqLEdOyYp2u21nd8MdsR+WJy5r9PTDaHTDDfhf4H4l6Q==",
+      "dev": true,
+      "license": "ISC"
+    },
+    "node_modules/a-sync-waterfall": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/a-sync-waterfall/-/a-sync-waterfall-1.0.1.tgz",
+      "integrity": "sha512-RYTOHHdWipFUliRFMCS4X2Yn2X8M87V/OpSqWzKKOGhzqyUxzyVmhHDH9sAvG+ZuQf/TAOFsLCpMw09I1ufUnA==",
+      "dev": true,
+      "license": "MIT"
+    },
+    "node_modules/ansi-red": {
+      "version": "0.1.1",
+      "resolved": "https://registry.npmjs.org/ansi-red/-/ansi-red-0.1.1.tgz",
+      "integrity": "sha512-ewaIr5y+9CUTGFwZfpECUbFlGcC0GCw1oqR9RI6h1gQCd9Aj2GxSckCnPsVJnmfMZbwFYE+leZGASgkWl06Jow==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "ansi-wrap": "0.1.0"
+      },
+      "engines": {
+        "node": ">=0.10.0"
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+    "node_modules/ansi-wrap": {
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+      "deprecated": "CoffeeScript on NPM has moved to \"coffeescript\" (no hyphen)",
+      "dev": true,
+      "license": "MIT",
+      "bin": {
+        "cake": "bin/cake",
+        "coffee": "bin/coffee"
+      },
+      "engines": {
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+}
--- a/package.json
+++ b/package.json
@ -0,0 +1,14 @@
+{
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+    "nunjucks": "^3.2.4",
+    "playwright": "1.63.0"
+  }
+}
--- a/render-template.ts
+++ b/render-template.ts
@ -1,14 +1,15 @@
-#! /usr/bin/env -S deno run --allow-read --allow-env --check
+#! /usr/bin/env node

-import markdownTOC from "npm:markdown-toc@1";
-import nunjucks from "npm:nunjucks@3";
-import TOML from "npm:@iarna/toml@3";
+import markdownTOC from "markdown-toc";
+import nunjucks from "nunjucks";
+import TOML from "@iarna/toml";
+import { readFile } from "node:fs/promises";

-if (Deno.args.length !== 2) {
+if (process.argv.length !== 4) {
  console.error("usage: render-template.ts template.njk data.toml");
-  Deno.exit(1);
+  process.exit(1);
 }
-const [templatePath, dataPath] = Deno.args;
+const [, , templatePath, dataPath] = process.argv;

 interface INamedProject {
  name: string;
@ -30,16 +31,17 @@ const projList = (projects: IProjects): INamedProject[] =>
    );

 try {
-  const template = (await Deno.readTextFile(templatePath)).trim();
-  const data = TOML.parse(await Deno.readTextFile(dataPath));
+  const template = (await readFile(templatePath, "utf8")).trim();
+  const data = TOML.parse(await readFile(dataPath, "utf8"));

  const tocToken = `%TOC-${Math.random()}%`;
-  const env = new nunjucks.configure({
+  const env = nunjucks.configure({
    lstripBlocks: true,
    trimBlocks: true,
-  }).addGlobal("toc", tocToken);
+  });
+  env.addGlobal("toc", tocToken);
  const doc = env.renderString(template, {
-    projects: projList(<IProjects> data),
+    projects: projList(data as IProjects),
  });

  const headingFilter = (str: string) => !str.match(/Contents/);