function fallbackCopyToClipboard(text) {
  return new Promise((resolve, reject) => {
    const textArea = document.createElement("textarea");
    textArea.value = text;
    textArea.style.position = "fixed";
    textArea.style.left = "-9999px";
    textArea.style.top = "-9999px";
    document.body.appendChild(textArea);
    textArea.focus();
    textArea.select();
    try {
      const successful = document.execCommand("copy");
      document.body.removeChild(textArea);
      successful ? resolve() : reject();
    } catch (err) {
      document.body.removeChild(textArea);
      reject(err);
    }
  });
}

class CopyButtonPlugin {
  constructor(options = {}) {
    self.hook = options.hook;
    self.callback = options.callback;
    self.lang = options.lang || document.documentElement.lang || "en";
  }
  "after:highlightElement"({ el, text }) {
    let button = Object.assign(document.createElement("button"), {
      innerHTML: locales[lang]?.[0] || "Copy",
      className: "hljs-copy-button",
    });
    button.dataset.copied = false;
    el.parentElement.classList.add("hljs-copy-wrapper");
    el.parentElement.appendChild(button);
    el.parentElement.style.setProperty(
      "--hljs-theme-background",
      window.getComputedStyle(el).backgroundColor,
    );
    button.onclick = function () {
      let newText = text;
      if (hook && typeof hook === "function") {
        newText = hook(text, el) || text;
      }
      const copyPromise =
        navigator.clipboard && window.isSecureContext
          ? navigator.clipboard.writeText(newText)
          : fallbackCopyToClipboard(newText);
      copyPromise.then(function () {
          button.innerHTML = locales[lang]?.[1] || "Copied!";
          button.dataset.copied = true;
          let alert = Object.assign(document.createElement("div"), {
            role: "status",
            className: "hljs-copy-alert",
            innerHTML: locales[lang]?.[2] || "Copied to clipboard",
          });
          el.parentElement.appendChild(alert);
          setTimeout(() => {
            button.innerHTML = locales[lang]?.[0] || "Copy";
            button.dataset.copied = false;
            el.parentElement.removeChild(alert);
            alert = null;
          }, 2e3);
        })
        .then(function () {
          if (typeof callback === "function") return callback(newText, el);
        });
    };
  }
}
if (typeof module != "undefined") {
  module.exports = CopyButtonPlugin;
}
const locales = {
  en: ["Copy", "Copied!", "Copied to clipboard"],
  es: ["Copiar", "¡Copiado!", "Copiado al portapapeles"],
  fr: ["Copier", "Copié !", "Copié dans le presse-papier"],
  de: ["Kopieren", "Kopiert!", "In die Zwischenablage kopiert"],
  ja: ["コピー", "コピーしました！", "クリップボードにコピーしました"],
  ko: ["복사", "복사됨!", "클립보드에 복사됨"],
  ru: ["Копировать", "Скопировано!", "Скопировано в буфер обмена"],
  zh: ["复制", "已复制!", "已复制到剪贴板"],
  "zh-tw": ["複製", "已複製!", "已複製到剪貼簿"],
};