forked from lix-project/lix-website
23 lines
674 B
JavaScript
23 lines
674 B
JavaScript
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'use strict';
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const decompressTar = require('decompress-tar');
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const fileType = require('file-type');
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const isStream = require('is-stream');
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const seekBzip = require('seek-bzip');
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const unbzip2Stream = require('unbzip2-stream');
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module.exports = () => input => {
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if (!Buffer.isBuffer(input) && !isStream(input)) {
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return Promise.reject(new TypeError(`Expected a Buffer or Stream, got ${typeof input}`));
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}
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if (Buffer.isBuffer(input) && (!fileType(input) || fileType(input).ext !== 'bz2')) {
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return Promise.resolve([]);
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}
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if (Buffer.isBuffer(input)) {
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return decompressTar()(seekBzip.decode(input));
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}
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return decompressTar()(input.pipe(unbzip2Stream()));
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};
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