@theguild/components/dist/server/next.config.js

import { createRequire } from "module";
import path from "path";
import nextra from "nextra";
import nextBundleAnalyzer from "@next/bundle-analyzer";
import { applyUnderscoreRedirects } from "./underscore-redirects.js";
const warnings = /* @__PURE__ */ new Set();
const require2 = createRequire(import.meta.url);
function getFrontMatterASTObject(node) {
  const [n] = node.data.estree.body;
  return n.declaration.declarations[0].init.properties;
}
function isExportNode(node, varName) {
  if (node.type !== "mdxjsEsm") return false;
  const [n] = node.data.estree.body;
  if (n.type !== "ExportNamedDeclaration") return false;
  const name = n.declaration?.declarations?.[0].id.name;
  if (!name) return false;
  return name === varName;
}
const rehypeCheckFrontMatter = () => (ast, file) => {
  const [filePath] = file.history;
  if (!filePath) return;
  const relativePath = path.relative(process.cwd(), filePath);
  const fileName = path.parse(relativePath).name;
  const isPage = relativePath.startsWith("app/") && fileName === "page" || relativePath.startsWith("/content/");
  if (!isPage) return;
  function warnOnce(message) {
    const msg = `[@theguild/components] SEO issue in "${relativePath}": ${message}`;
    if (!warnings.has(msg)) {
      warnings.add(msg);
      console.warn(msg);
    }
  }
  const frontMatterNode = ast.children.find((node) => isExportNode(node, "metadata"));
  const frontMatter = getFrontMatterASTObject(frontMatterNode);
  const description = frontMatter.find((o) => o.key.value === "description")?.value.value;
  if (!description) {
    warnOnce("The description is missing");
  } else if (description.length > 160) {
    warnOnce(
      `The description "${description}" is too long, should be less than 160 characters, not ${description.length}`
    );
  } else if (description.length < 50) {
    warnOnce(
      `The description "${description}" is too short, should be more than 50 characters, not ${description.length}`
    );
  }
};
const defaultNextraOptions = {
  defaultShowCopyCode: true,
  whiteListTagsStyling: ["iframe", "video", "source"],
  search: {
    codeblocks: true
  },
  mdxOptions: {
    // Check front matter only in production (when Webpack is used)
    // Should be rehype since frontMatter is attached in remark plugins
    rehypePlugins: process.env.NODE_ENV === "production" ? [rehypeCheckFrontMatter] : []
  }
};
function withGuildDocs({ nextraConfig, ...nextConfig } = {}) {
  if (nextConfig.webpack?.toString().includes("applyUnderscoreRedirects")) {
    throw new Error(
      "`applyUnderscoreRedirects` in `nextConfig.webpack` was already configured, remove it from your config"
    );
  }
  const withBundleAnalyzer = nextBundleAnalyzer({
    enabled: process.env.ANALYZE === "true"
  });
  const withNextra = nextra({ ...defaultNextraOptions, ...nextraConfig });
  const nextraClientPath = path.relative(
    process.cwd(),
    path.join(require2.resolve("nextra/package.json"), "..", "dist", "client")
  );
  return withBundleAnalyzer(
    withNextra({
      reactStrictMode: true,
      poweredByHeader: false,
      basePath: process.env.NEXT_BASE_PATH,
      ...nextConfig,
      env: {
        SITE_URL: process.env.SITE_URL || "",
        ...nextConfig.env
      },
      webpack(config, meta) {
        applyUnderscoreRedirects(config, meta);
        return nextConfig.webpack?.(config, meta) || config;
      },
      experimental: {
        // TODO: Provoke white flash ⚪️💥 on initial loading with dark theme
        // optimizeCss: true,
        ...nextConfig.experimental,
        turbo: {
          resolveAlias: {
            // Fixes when Turbopack is enabled: Module not found: Can't resolve '@theguild/remark-mermaid/mermaid'
            "@theguild/remark-mermaid/mermaid": path.relative(
              process.cwd(),
              path.join(
                require2.resolve("@theguild/remark-mermaid/package.json"),
                "..",
                "dist",
                "mermaid.js"
              )
            ),
            "nextra/components": path.join(nextraClientPath, "components", "index.js"),
            "nextra/setup-page": path.join(nextraClientPath, "setup-page.js")
          }
        }
      },
      images: {
        unoptimized: true,
        // doesn't work with `next export`,
        ...nextConfig.images
      }
    })
  );
}
export {
  defaultNextraOptions,
  withGuildDocs
};