106 lines
No EOL
3.2 KiB
JavaScript
106 lines
No EOL
3.2 KiB
JavaScript
// tar -t
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import * as fsm from '@isaacs/fs-minipass';
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import fs from 'node:fs';
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import { dirname, parse } from 'path';
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import { makeCommand } from './make-command.js';
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import { Parser } from './parse.js';
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import { stripTrailingSlashes } from './strip-trailing-slashes.js';
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const onReadEntryFunction = (opt) => {
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const onReadEntry = opt.onReadEntry;
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opt.onReadEntry =
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onReadEntry ?
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e => {
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onReadEntry(e);
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e.resume();
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}
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: e => e.resume();
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};
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// construct a filter that limits the file entries listed
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// include child entries if a dir is included
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export const filesFilter = (opt, files) => {
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const map = new Map(files.map(f => [stripTrailingSlashes(f), true]));
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const filter = opt.filter;
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const mapHas = (file, r = '') => {
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const root = r || parse(file).root || '.';
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let ret;
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if (file === root)
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ret = false;
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else {
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const m = map.get(file);
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if (m !== undefined) {
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ret = m;
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}
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else {
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ret = mapHas(dirname(file), root);
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}
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}
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map.set(file, ret);
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return ret;
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};
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opt.filter =
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filter ?
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(file, entry) => filter(file, entry) && mapHas(stripTrailingSlashes(file))
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: file => mapHas(stripTrailingSlashes(file));
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};
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const listFileSync = (opt) => {
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const p = new Parser(opt);
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const file = opt.file;
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let fd;
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try {
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const stat = fs.statSync(file);
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const readSize = opt.maxReadSize || 16 * 1024 * 1024;
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if (stat.size < readSize) {
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p.end(fs.readFileSync(file));
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}
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else {
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let pos = 0;
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const buf = Buffer.allocUnsafe(readSize);
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fd = fs.openSync(file, 'r');
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while (pos < stat.size) {
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const bytesRead = fs.readSync(fd, buf, 0, readSize, pos);
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pos += bytesRead;
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p.write(buf.subarray(0, bytesRead));
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}
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p.end();
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}
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}
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finally {
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if (typeof fd === 'number') {
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try {
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fs.closeSync(fd);
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/* c8 ignore next */
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}
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catch (er) { }
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}
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}
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};
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const listFile = (opt, _files) => {
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const parse = new Parser(opt);
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const readSize = opt.maxReadSize || 16 * 1024 * 1024;
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const file = opt.file;
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const p = new Promise((resolve, reject) => {
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parse.on('error', reject);
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parse.on('end', resolve);
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fs.stat(file, (er, stat) => {
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if (er) {
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reject(er);
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}
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else {
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const stream = new fsm.ReadStream(file, {
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readSize: readSize,
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size: stat.size,
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});
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stream.on('error', reject);
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stream.pipe(parse);
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}
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});
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});
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return p;
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};
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export const list = makeCommand(listFileSync, listFile, opt => new Parser(opt), opt => new Parser(opt), (opt, files) => {
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if (files?.length)
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filesFilter(opt, files);
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if (!opt.noResume)
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onReadEntryFunction(opt);
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});
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//# sourceMappingURL=list.js.map
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