import { isSamePath, isSubdir } from "./_util.ts";
const EXISTS_ERROR = new Deno.errors.AlreadyExists("dest already exists.");
export class SubdirectoryMoveError extends Error { constructor(src: string | URL, dest: string | URL) { super( `Cannot move '${src}' to a subdirectory of itself, '${dest}'.`, ); }}
interface MoveOptions { overwrite?: boolean;}
export async function move( src: string | URL, dest: string | URL, { overwrite = false }: MoveOptions = {},) { const srcStat = await Deno.stat(src);
if ( srcStat.isDirectory && (isSubdir(src, dest) || isSamePath(src, dest)) ) { throw new SubdirectoryMoveError(src, dest); }
if (overwrite) { if (isSamePath(src, dest)) return; try { await Deno.remove(dest, { recursive: true }); } catch (error) { if (!(error instanceof Deno.errors.NotFound)) { throw error; } } } else { try { await Deno.lstat(dest); return Promise.reject(EXISTS_ERROR); } catch { } }
await Deno.rename(src, dest);}
export function moveSync( src: string | URL, dest: string | URL, { overwrite = false }: MoveOptions = {},) { const srcStat = Deno.statSync(src);
if ( srcStat.isDirectory && (isSubdir(src, dest) || isSamePath(src, dest)) ) { throw new SubdirectoryMoveError(src, dest); }
if (overwrite) { if (isSamePath(src, dest)) return; try { Deno.removeSync(dest, { recursive: true }); } catch (error) { if (!(error instanceof Deno.errors.NotFound)) { throw error; } } } else { try { Deno.lstatSync(dest); throw EXISTS_ERROR; } catch (error) { if (error === EXISTS_ERROR) { throw error; } } }
Deno.renameSync(src, dest);}