Method spacing

pangu/pangu.ts:87–139

* 执行格式化 * @param text 原始文本

(text: string)

   * 执行格式化
   * @param text 原始文本
   */
  public static spacing(text: string): string {
    if (!text || text.length <= 1) return text;
    
    // 如果没有中文，直接返回，节省性能
    if (!PanguSpacer.ANY_CJK.test(text)) {
      return text;
    }

    // 保护 URL：简单的 URL 保护，避免破坏链接
    // 将 URL 替换为占位符 -> 处理文本 -> 还原 URL
    const urlRegex = /https?:\/\/(www\.)?[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_\+.~#?&//=]*)/g;
    const urls: string[] = [];
    let tempText = text.replace(urlRegex, (match) => {
      urls.push(match);
      return `\uFFFF${urls.length - 1}\uFFFF`; // 使用特殊字符作为占位符
    });

    let newText = tempText;

    // CJK_QUOTE: CJK + " -> CJK + " " + "
    newText = newText.replace(PanguSpacer.CJK_QUOTE, "$1 $2");
    // QUOTE_CJK: " + CJK -> " " + " + CJK
    newText = newText.replace(PanguSpacer.QUOTE_CJK, "$1 $2");

    newText = newText.replace(PanguSpacer.FIX_QUOTE_ANY_QUOTE, "$1$2$3");

    // CJK_HASH: CJK + #word -> CJK + " " + #word
    newText = newText.replace(PanguSpacer.CJK_HASH, "$1 $2");
    // HASH_CJK: word# + CJK -> word# + " " + CJK
    newText = newText.replace(PanguSpacer.HASH_CJK, "$1 $3");

    // CJK_ANS: CJK + ANS -> CJK + " " + ANS
    newText = newText.replace(PanguSpacer.CJK_ANS, "$1 $2");
    // ANS_CJK: ANS + CJK -> ANS + " " + CJK
    newText = newText.replace(PanguSpacer.ANS_CJK, "$1 $2");

    // CJK_BRACKET: CJK + ( -> CJK + " " + (
    newText = newText.replace(PanguSpacer.CJK_BRACKET, "$1 $2");
    // BRACKET_CJK: ) + CJK -> ) + " " + CJK
    newText = newText.replace(PanguSpacer.BRACKET_CJK, "$1 $2");
    
    newText = newText.replace(PanguSpacer.FIX_BRACKET_ANY_BRACKET, "$1$3$5");
    
    newText = newText.replace(PanguSpacer.CJK_ANS_CJK, "$1 $2 $3");
    newText = newText.replace(PanguSpacer.ANS_CJK_ANS, "$1 $2 $3");

    // 还原 URL
    newText = newText.replace(/\uFFFF(\d+)\uFFFF/g, (_, index) => {
      return urls[parseInt(index)];
    });

    return newText;
  }
}
// ==========================================