import {  isWorkspaceBrowserPreviewPath,  isWorkspaceImagePreviewPath,} from "@t3tools/shared/filePreview"; export interface FileBreadcrumb {  readonly label: string;  readonly path: string;  readonly kind: "project" | "directory" | "file";} function isWindowsAbsolutePath(value: string): boolean {  return /^[A-Za-z]:[\\/]/.test(value) || value.startsWith("\\\\");} function isAbsolutePath(value: string): boolean {  return value.startsWith("/") || isWindowsAbsolutePath(value);} function isWindowsPathStyle(value: string): boolean {  return isWindowsAbsolutePath(value) || /^[A-Za-z]:\\/.test(value);} function joinPath(base: string, next: string, separator: "/" | "\\"): string {  const cleanBase = base.replace(/[\\/]+$/, "");  if (separator === "\\") {    return `${cleanBase}\\${next.replaceAll("/", "\\")}`;  }  return `${cleanBase}/${next.replace(/^\/+/, "")}`;} export function basename(path: string): string {  const parts = path.split(/[\\/]/).filter(Boolean);  return parts.at(-1) ?? path;} export function resolveWorkspaceFilePath(cwd: string, relativePath: string): string {  if (isAbsolutePath(relativePath)) {    return relativePath;  }   const separator: "/" | "\\" = isWindowsPathStyle(cwd) ? "\\" : "/";  return joinPath(cwd, relativePath, separator);} function normalizeRelativePath(value: string): string | null {  const segments: string[] = [];  for (const segment of value.replaceAll("\\", "/").split("/")) {    if (segment.length === 0 || segment === ".") {      continue;    }    if (segment === "..") {      if (segments.length === 0) {        return null;      }      segments.pop();      continue;    }    segments.push(segment);  }  return segments.length > 0 ? segments.join("/") : null;} export function resolveWorkspaceRelativeFilePath(  workspaceRoot: string | null | undefined,  targetPath: string,): string | null {  if (!isAbsolutePath(targetPath)) {    if (targetPath.startsWith("~/") || targetPath.startsWith("~\\")) {      return null;    }    return normalizeRelativePath(targetPath);  }  if (!workspaceRoot) {    return null;  }   const normalizedTarget = targetPath.replaceAll("\\", "/");  const normalizedRoot = workspaceRoot.replaceAll("\\", "/").replace(/\/+$/, "");  const caseInsensitive = isWindowsAbsolutePath(targetPath) || isWindowsAbsolutePath(workspaceRoot);  const comparableTarget = caseInsensitive ? normalizedTarget.toLowerCase() : normalizedTarget;  const comparableRoot = caseInsensitive ? normalizedRoot.toLowerCase() : normalizedRoot;  if (!comparableTarget.startsWith(`${comparableRoot}/`)) {    return null;  }   return normalizeRelativePath(normalizedTarget.slice(normalizedRoot.length + 1));} export function isBrowserPreviewFile(path: string): boolean {  return isWorkspaceBrowserPreviewPath(path);} export function isImagePreviewFile(path: string): boolean {  return isWorkspaceImagePreviewPath(path);} export function isSvgImagePreviewFile(path: string): boolean {  return /\.svg$/i.test(path.split(/[?#]/, 1)[0] ?? "");} export function isMarkdownPreviewFile(path: string): boolean {  return /\.(?:md|mdx)$/i.test(path.split(/[?#]/, 1)[0] ?? "");} export function fileBreadcrumbs(projectName: string, relativePath: string): FileBreadcrumb[] {  const parts = relativePath.split("/").filter(Boolean);  return [    { label: projectName, path: "", kind: "project" },    ...parts.map((part, index) => ({      label: part,      path: parts.slice(0, index + 1).join("/"),      kind: index === parts.length - 1 ? ("file" as const) : ("directory" as const),    })),  ];}