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tar -t\nimport * as fsm from '@isaacs/fs-minipass'\nimport fs from 'node:fs'\nimport { dirname, parse } from 'path'\nimport { makeCommand } from './make-command.js'\nimport {\n TarOptions,\n TarOptionsFile,\n TarOptionsSyncFile,\n} from './options.js'\nimport { Parser } from './parse.js'\nimport { stripTrailingSlashes } from './strip-trailing-slashes.js'\n\nconst onReadEntryFunction = (opt: TarOptions) => {\n const onReadEntry = opt.onReadEntry\n opt.onReadEntry =\n onReadEntry ?\n e => {\n onReadEntry(e)\n e.resume()\n }\n : e => e.resume()\n}\n\n// construct a filter that limits the file entries listed\n// include child entries if a dir is included\nexport const filesFilter = (opt: TarOptions, files: string[]) => {\n const map = new Map<string, boolean>(\n files.map(f => [stripTrailingSlashes(f), true]),\n )\n const filter = opt.filter\n\n const mapHas = (file: string, r: string = ''): boolean => {\n const root = r || parse(file).root || '.'\n let ret: boolean\n if (file === root) ret = false\n else {\n const m = map.get(file)\n if (m !== undefined) {\n ret = m\n } else {\n ret = mapHas(dirname(file), root)\n }\n }\n\n map.set(file, ret)\n return ret\n }\n\n opt.filter =\n filter ?\n (file, entry) =>\n filter(file, entry) && mapHas(stripTrailingSlashes(file))\n : file => mapHas(stripTrailingSlashes(file))\n}\n\nconst listFileSync = (opt: TarOptionsSyncFile) => {\n const p = new Parser(opt)\n const file = opt.file\n let fd\n try {\n const stat = fs.statSync(file)\n const readSize = opt.maxReadSize || 16 * 1024 * 1024\n if (stat.size < readSize) {\n p.end(fs.readFileSync(file))\n } else {\n let pos = 0\n const buf = Buffer.allocUnsafe(readSize)\n fd = fs.openSync(file, 'r')\n while (pos < stat.size) {\n const bytesRead = fs.readSync(fd, buf, 0, readSize, pos)\n pos += bytesRead\n p.write(buf.subarray(0, bytesRead))\n }\n p.end()\n }\n } finally {\n if (typeof fd === 'number') {\n try {\n fs.closeSync(fd)\n /* c8 ignore next */\n } catch (er) {}\n }\n }\n}\n\nconst listFile = (\n opt: TarOptionsFile,\n _files: string[],\n): Promise<void> => {\n const parse = new Parser(opt)\n const readSize = opt.maxReadSize || 16 * 1024 * 1024\n\n const file = opt.file\n const p = new Promise<void>((resolve, reject) => {\n parse.on('error', reject)\n parse.on('end', resolve)\n\n fs.stat(file, (er, stat) => {\n if (er) {\n reject(er)\n } else {\n const stream = new fsm.ReadStream(file, {\n readSize: readSize,\n size: stat.size,\n })\n stream.on('error', reject)\n stream.pipe(parse)\n }\n })\n })\n return p\n}\n\nexport const list = makeCommand(\n listFileSync,\n listFile,\n opt => new Parser(opt) as Parser & { sync: true },\n opt => new Parser(opt),\n (opt, files) => {\n if (files?.length) filesFilter(opt, files)\n if (!opt.noResume) onReadEntryFunction(opt)\n },\n)\n"]}
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