blob: 9ce7c41bc9d971110822d78fe757f91736ee263e (
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'use strict';
const decompressTar = require('decompress-tar');
const fileType = require('file-type');
const isStream = require('is-stream');
const seekBzip = require('seek-bzip');
const unbzip2Stream = require('unbzip2-stream');
module.exports = () => input => {
if (!Buffer.isBuffer(input) && !isStream(input)) {
return Promise.reject(new TypeError(`Expected a Buffer or Stream, got ${typeof input}`));
}
if (Buffer.isBuffer(input) && (!fileType(input) || fileType(input).ext !== 'bz2')) {
return Promise.resolve([]);
}
if (Buffer.isBuffer(input)) {
return decompressTar()(seekBzip.decode(input));
}
return decompressTar()(input.pipe(unbzip2Stream()));
};
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