_config.ts

import "@std/dotenv/load";

import lume from "lume/mod.ts";
import checkUrls from "lume/plugins/check_urls.ts";
import esbuild from "lume/plugins/esbuild.ts";
import jsx from "lume/plugins/jsx_preact.ts";
import postcss from "lume/plugins/postcss.ts";
import redirects from "lume/plugins/redirects.ts";
import search from "lume/plugins/search.ts";
import sitemap from "lume/plugins/sitemap.ts";

import tw from "tailwindcss";
import tailwindConfig from "./tailwind.config.js";

import Prism from "./prism.ts";

import title from "https://deno.land/x/lume_markdown_plugins@v0.7.0/title.ts";
import toc from "https://deno.land/x/lume_markdown_plugins@v0.7.0/toc.ts";
import { CSS as GFM_CSS } from "https://jsr.io/@deno/gfm/0.8.2/style.ts";
import anchor from "npm:markdown-it-anchor@9";
import { full as emoji } from "npm:markdown-it-emoji@3";
import admonitionPlugin from "./markdown-it/admonition.ts";
import codeblockCopyPlugin from "./markdown-it/codeblock-copy.ts";
import codeblockTitlePlugin from "./markdown-it/codeblock-title.ts";
import relativeLinksPlugin from "./markdown-it/relative-path.ts";
import replacerPlugin from "./markdown-it/replacer.ts";
import apiDocumentContentTypeMiddleware from "./middleware/apiDocContentType.ts";
import createRoutingMiddleware from "./middleware/functionRoutes.ts";
import createGAMiddleware from "./middleware/googleAnalytics.ts";
import redirectsMiddleware, {
  toFileAndInMemory,
} from "./middleware/redirects.ts";
import { cliNow } from "./timeUtils.ts";
import { log } from "lume/core/utils/log.ts";

const site = lume(
  {
    location: new URL("https://docs.deno.com"),
    caseSensitiveUrls: true,
    emptyDest: false,
    server: {
      middlewares: [
        redirectsMiddleware,
        createRoutingMiddleware(),
        createGAMiddleware({
          addr: { transport: "tcp", hostname: "localhost", port: 3000 },
        }),
        apiDocumentContentTypeMiddleware,
      ],
      page404: "/404",
    },
    watcher: {
      ignore: [
        "/.git",
        "/.github",
        "/.vscode",
      ],
      debounce: 1_000,
    },
  },
  {
    markdown: {
      plugins: [
        replacerPlugin,
        emoji,
        admonitionPlugin,
        codeblockCopyPlugin,
        codeblockTitlePlugin,
        [
          anchor,
          {
            permalink: anchor.permalink.linkInsideHeader({
              symbol:
                `<span class="sr-only">Jump to heading</span><span aria-hidden="true" class="anchor-end">#</span>`,
              placement: "after",
            }),
            getTokensText(tokens: { type: string; content: string }[]) {
              return tokens
                .filter((t) => ["text", "code_inline"].includes(t.type))
                .map((t) => t.content.replaceAll(/ \([0-9/]+?\)/g, ""))
                .join("")
                .trim();
            },
          },
        ],
        relativeLinksPlugin,
      ],
      options: {
        linkify: true,
        langPrefix: "highlight notranslate language-",
        highlight: (code, lang) => {
          if (!lang || !Prism.languages[lang]) {
            return code;
          }
          const result = Prism.highlight(code, Prism.languages[lang], lang);
          return result || code;
        },
      },
    },
  },
);

site.copy("static", ".");
site.copy("timeUtils.ts");
site.copy("subhosting/api/images");
site.copy("deploy/docs-images");
site.copy("deploy/kv/manual/images");
site.copy("deploy/tutorials/images");
site.copy("deploy/kv/tutorials/images");
site.copy("runtime/fundamentals/images");
site.copy("runtime/getting_started/images");
site.copy("runtime/reference/images");
site.copy("runtime/contributing/images");
site.copy("examples/tutorials/images");
site.copy("deploy/manual/images");
site.copy("deno.json");
site.copy("go.json");
site.copy("oldurls.json");
site.copy("server.ts");
site.copy("middleware");
site.copy("examples/scripts");
site.copy(".env");

site.use(
  redirects({
    output: toFileAndInMemory,
  }),
);

site.use(search());
site.use(jsx());

site.use(
  postcss({
    plugins: [tw(tailwindConfig)],
  }),
);

site.use(
  esbuild({
    extensions: [".client.ts", ".client.js"],
    options: {
      minify: false,
      splitting: true,
    },
  }),
);

site.use(toc({ anchor: false }));
site.use(title());
site.use(sitemap());

site.addEventListener("afterBuild", () => {
  Deno.writeTextFileSync(site.dest("gfm.css"), GFM_CSS);
});

site.copy("reference_gen/gen/deno/page.css", "/api/deno/page.css");
site.copy("reference_gen/gen/deno/styles.css", "/api/deno/styles.css");
site.copy("reference_gen/gen/deno/script.js", "/api/deno/script.js");

site.copy("reference_gen/gen/web/page.css", "/api/web/page.css");
site.copy("reference_gen/gen/web/styles.css", "/api/web/styles.css");
site.copy("reference_gen/gen/web/script.js", "/api/web/script.js");

site.copy("reference_gen/gen/node/page.css", "/api/node/page.css");
site.copy("reference_gen/gen/node/styles.css", "/api/node/styles.css");
site.copy("reference_gen/gen/node/script.js", "/api/node/script.js");

site.ignore(
  "old",
  "README.md",
  (path) => path.match(/\/reference_gen.*.ts/) !== null,
  (path) => path.includes("/reference_gen/node_modules"),
  (path) => path.includes("/reference_gen/node_descriptions"),
  // "deploy",
  // "runtime",
  // "subhosting",
);

site.scopedUpdates(
  (path) => path == "/overrides.css",
  (path) => /\.(js|ts)$/.test(path),
  (path) => path.startsWith("/api/deno/"),
);

const SKIP_CHECK_URLS = (Deno.env.get("SKIP_CHECK_URLS") || "false")
  .toLowerCase();

if (SKIP_CHECK_URLS !== "true") {
  log.info(`${cliNow()} Enabling broken-link checker`);

  site.use(
    checkUrls({
      external: false, // Set to true to check external links
      output: "_broken_links.json",
      ignore: ["https://www.googletagmanager.com"],
    }),
  );
} else {
  log.warn(
    `${cliNow()} <cyan>checkUrls</cyan>: Skipping broken link check for local performance.`,
  );
}

site.addEventListener("afterStartServer", () => {
  log.warn(
    `${cliNow()} Server available at <green>http://localhost:3000</green>`,
  );
});

export default site;