| 24 | * RAR multi-volume naming: archive.part1.rar, archive.part2.rar or archive.rar, archive.r00, archive.r01, etc. |
| 25 | */ |
| 26 | export function isMultiVolume(filePath: string): boolean { |
| 27 | const dir = path.dirname(filePath); |
| 28 | const fullName = path.basename(filePath); |
| 29 | const ext = path.extname(filePath).toLowerCase(); |
| 30 | |
| 31 | if (ext === ".zip") { |
| 32 | const baseName = path.basename(filePath, ".zip"); |
| 33 | const firstVolumeFile = path.join(dir, baseName + ".z01"); |
| 34 | return existsSync(firstVolumeFile); |
| 35 | } |
| 36 | |
| 37 | if (ext === ".7z") { |
| 38 | const baseName = path.basename(filePath, ".7z"); |
| 39 | const firstVolumeFile = path.join(dir, baseName + ".7z.001"); |
| 40 | return existsSync(firstVolumeFile); |
| 41 | } |
| 42 | |
| 43 | if (ext === ".rar") { |
| 44 | const baseName = path.basename(filePath, ".rar"); |
| 45 | |
| 46 | if (fullName.includes(".part1.rar")) { |
| 47 | const partBaseName = fullName.replace(".part1.rar", ""); |
| 48 | const secondPartFile = path.join(dir, partBaseName + ".part2.rar"); |
| 49 | return existsSync(secondPartFile); |
| 50 | } |
| 51 | |
| 52 | const firstVolumeFile = path.join(dir, baseName + ".r00"); |
| 53 | return existsSync(firstVolumeFile); |
| 54 | } |
| 55 | |
| 56 | return false; |
| 57 | } |
| 58 | |
| 59 | /** |
| 60 | * Get file extension for error messages |