1 | ;
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2 |
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3 | //pipe a stream to another, streams might be promises
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4 |
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5 | function pipe(src, dest) {
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6 |
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7 | if(src.then) {
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8 | return src.then(function(tmp) {
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9 | return pipe(tmp, dest);
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10 | });
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11 | }
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12 |
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13 | if(dest.then) {
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14 | return dest.then(function(tmp) {
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15 | return pipe(src, tmp);
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16 | });
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17 | }
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18 |
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19 | return new Promise(function(resolve, reject) {
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20 | src.pipe(dest);
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21 | src.on('error', reject);
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22 | dest.on('finish', resolve);
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23 | dest.on('close', resolve);
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24 | });
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25 |
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26 | }
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27 |
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28 | module.exports = pipe;
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