nuxt-simple-sitemap/dist/runtime/sitemap/builder/xml.mjs

Powerfully flexible XML Sitemaps that integrate seamlessly, for Nuxt.

function resolveKey(k) {
  switch (k) {
    case "images":
      return "image";
    case "videos":
      return "video";
    case "news":
      return "news";
    default:
      return k;
  }
}
function handleObject(key, obj) {
  return [
    `        <${key}:${key}>`,
    ...Object.entries(obj).map(([sk, sv]) => {
      if (key === "video" && Array.isArray(sv)) {
        return sv.map((v) => {
          if (typeof v === "string") {
            return [
              `            `,
              `<${key}:${sk}>`,
              escapeValueForXml(v),
              `</${key}:${sk}>`
            ].join("");
          }
          const attributes = Object.entries(v).filter(([ssk]) => ssk !== sk).map(([ssk, ssv]) => `${ssk}="${escapeValueForXml(ssv)}"`).join(" ");
          return [
            `            <${key}:${sk} ${attributes}>`,
            // value is the same sk
            v[sk],
            `</${key}:${sk}>`
          ].join("");
        }).join("\n");
      }
      if (typeof sv === "object") {
        if (key === "video") {
          const attributes = Object.entries(sv).filter(([ssk]) => ssk !== sk).map(([ssk, ssv]) => `${ssk}="${escapeValueForXml(ssv)}"`).join(" ");
          return [
            `            <${key}:${sk} ${attributes}>`,
            // value is the same sk
            sv[sk],
            `</${key}:${sk}>`
          ].join("");
        }
        return [
          `            <${key}:${sk}>`,
          ...Object.entries(sv).map(([ssk, ssv]) => `                <${key}:${ssk}>${escapeValueForXml(ssv)}</${key}:${ssk}>`),
          `            </${key}:${sk}>`
        ].join("\n");
      }
      return `            <${key}:${sk}>${escapeValueForXml(sv)}</${key}:${sk}>`;
    }),
    `        </${key}:${key}>`
  ].join("\n");
}
function handleArray(key, arr) {
  if (arr.length === 0)
    return false;
  key = resolveKey(key);
  if (key === "alternatives") {
    return arr.map((obj) => [
      `        <xhtml:link rel="alternate" ${Object.entries(obj).map(([sk, sv]) => `${sk}="${escapeValueForXml(sv)}"`).join(" ")} />`
    ].join("\n")).join("\n");
  }
  return arr.map((obj) => handleObject(key, obj)).join("\n");
}
export function handleEntry(k, e) {
  return Array.isArray(e[k]) ? handleArray(k, e[k]) : typeof e[k] === "object" ? handleObject(k, e[k]) : `        <${k}>${escapeValueForXml(e[k])}</${k}>`;
}
export function wrapSitemapXml(input, resolvers, wrapSitemapXmlOptions) {
  const xsl = wrapSitemapXmlOptions.xsl ? resolvers.relativeBaseUrlResolver(wrapSitemapXmlOptions.xsl) : false;
  const credits = wrapSitemapXmlOptions.credits;
  input.unshift(`<?xml version="1.0" encoding="UTF-8"?>${xsl ? `<?xml-stylesheet type="text/xsl" href="${xsl}"?>` : ""}`);
  if (credits)
    input.push(`<!-- XML Sitemap generated by Nuxt Simple Sitemap v${wrapSitemapXmlOptions.version} -->`);
  return input.join("\n");
}
export function escapeValueForXml(value) {
  if (value === true || value === false)
    return value ? "yes" : "no";
  return String(value).replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;").replace(/"/g, "&quot;").replace(/'/g, "&apos;");
}