File Explorer

1// tar -x2import * as fsm from '@isaacs/fs-minipass';3import fs from 'node:fs';4import { filesFilter } from './list.js';5import { makeCommand } from './make-command.js';6import { Unpack, UnpackSync } from './unpack.js';7const extractFileSync = (opt) => {8    const u = new UnpackSync(opt);9    const file = opt.file;10    const stat = fs.statSync(file);11    // This trades a zero-byte read() syscall for a stat12    // However, it will usually result in less memory allocation13    const readSize = opt.maxReadSize || 16 * 1024 * 1024;14    const stream = new fsm.ReadStreamSync(file, {15        readSize: readSize,16        size: stat.size,17    });18    stream.pipe(u);19};20const extractFile = (opt, _) => {21    const u = new Unpack(opt);22    const readSize = opt.maxReadSize || 16 * 1024 * 1024;23    const file = opt.file;24    const p = new Promise((resolve, reject) => {25        u.on('error', reject);26        u.on('close', resolve);27        // This trades a zero-byte read() syscall for a stat28        // However, it will usually result in less memory allocation29        fs.stat(file, (er, stat) => {30            if (er) {31                reject(er);32            }33            else {34                const stream = new fsm.ReadStream(file, {35                    readSize: readSize,36                    size: stat.size,37                });38                stream.on('error', reject);39                stream.pipe(u);40            }41        });42    });43    return p;44};45export const extract = makeCommand(extractFileSync, extractFile, opt => new UnpackSync(opt), opt => new Unpack(opt), (opt, files) => {46    if (files?.length)47        filesFilter(opt, files);48});49//# sourceMappingURL=extract.js.map