|
1 |
| -const through = require('through2').obj, |
2 |
| - unzip = require('unzipper'), |
3 |
| - Vinyl = require('vinyl'); |
| 1 | +const Stream = require('stream') |
| 2 | + |
| 3 | +const through = require('through2').obj |
| 4 | + |
| 5 | +const unzip = require('unzipper') |
| 6 | + |
| 7 | +const Vinyl = require('vinyl') |
4 | 8 |
|
5 | 9 | module.exports = (options = {}) => {
|
6 |
| - |
7 |
| - function transform(file, enc, callback){ |
| 10 | + function transform (file, enc, callback) { |
8 | 11 | if (file.isNull()) {
|
9 |
| - this.push(file); |
10 |
| - return callback(); |
| 12 | + this.push(file) |
| 13 | + return callback() |
11 | 14 | }
|
12 | 15 |
|
13 |
| - const opts = {}; |
14 |
| - opts.filter = options.filter || (() => true); |
15 |
| - opts.keepEmpty = options.keepEmpty || false; |
| 16 | + let stream = new Stream.PassThrough() |
16 | 17 |
|
17 |
| - file.pipe(unzip.Parse()) |
| 18 | + if (file.isBuffer() && !file.pipe) { |
| 19 | + stream.end(file.contents) |
| 20 | + } else { |
| 21 | + stream = file |
| 22 | + } |
| 23 | + |
| 24 | + const opts = {} |
| 25 | + opts.filter = options.filter || (() => true) |
| 26 | + opts.keepEmpty = options.keepEmpty || false |
| 27 | + |
| 28 | + stream.pipe(unzip.Parse()) |
18 | 29 | .on('entry', entry => {
|
19 |
| - const chunks = []; |
20 |
| - if(!opts.filter(entry)){ |
21 |
| - entry.autodrain(); |
22 |
| - return; |
| 30 | + const chunks = [] |
| 31 | + if (!opts.filter(entry)) { |
| 32 | + entry.autodrain() |
| 33 | + return |
23 | 34 | }
|
24 |
| - |
| 35 | + |
25 | 36 | entry.pipe(through((chunk, enc, cb) => {
|
26 |
| - chunks.push(chunk); |
27 |
| - cb(); |
| 37 | + chunks.push(chunk) |
| 38 | + cb() |
28 | 39 | }, cb => {
|
29 |
| - if(entry.type === 'File' && (chunks.length > 0 || opts.keepEmpty)){ |
| 40 | + if (entry.type === 'File' && (chunks.length > 0 || opts.keepEmpty)) { |
30 | 41 | this.push(new Vinyl({
|
31 |
| - cwd : "./", |
32 |
| - path : entry.path, |
| 42 | + cwd: './', |
| 43 | + path: entry.path, |
33 | 44 | contents: Buffer.concat(chunks)
|
34 |
| - })); |
| 45 | + })) |
35 | 46 | }
|
36 |
| - cb(); |
37 |
| - })); |
38 |
| - }).on('close', callback); |
| 47 | + cb() |
| 48 | + })) |
| 49 | + }).on('close', callback) |
39 | 50 | }
|
40 |
| - return through(transform); |
41 |
| -}; |
| 51 | + return through(transform) |
| 52 | +} |
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