/snap/node/11782/lib/node_modules/npm/node_modules/tar/dist/esm
Edit: /snap/node/11782/lib/node_modules/npm/node_modules/tar/dist/esm/list.js (3444B)
// 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