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✏️ Editing: list.js

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

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