Function relativePathToAbsolutePath

app/src/utils/pathString.tsx:217–253

(currentPath: string, relativePath: string)

   * @returns
   */
  export function relativePathToAbsolutePath(currentPath: string, relativePath: string): string {
    const { drive, parts: currentParts } = splitCurrentPath(currentPath);
    const relativeParts = splitRelativePath(relativePath);

    // 如果当前路径是文件（有扩展名），则去掉文件名部分，只保留目录
    const isFile = hasFileExtension(currentParts[currentParts.length - 1]);
    const directoryParts = isFile ? currentParts.slice(0, -1) : [...currentParts];

    const mergedParts = [...directoryParts];
    for (const part of relativeParts) {
      if (part === "..") {
        if (mergedParts.length > 0) {
          mergedParts.pop();
        }
      } else if (part !== "." && part !== "") {
        mergedParts.push(part);
      }
    }

    let absolutePath;
    if (drive) {
      absolutePath = `${drive}/`;
    } else {
      absolutePath = "/";
    }
    absolutePath += mergedParts.join("/");

    // 处理根目录情况
    if (mergedParts.length === 0) {
      absolutePath = drive ? `${drive}/` : "/";
    }

    // 替换多个连续的斜杠为单个斜杠
    absolutePath = absolutePath.replace(/\/+/g, "/");

    return absolutePath;
  }

  function splitCurrentPath(path: string) {
    path = path.replace(/\\/g, "/");