| 1 | import crypto from 'crypto';
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| 2 | import npath from 'path';
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| 3 |
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| 4 | import setExt from './set-ext.js';
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| 5 |
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| 6 | const getHash = buffer => {
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| 7 | const hash = crypto.createHash('md5');
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| 8 | hash.update(buffer);
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| 9 | return hash.digest('hex').slice(0, 8);
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| 10 | };
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| 11 |
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| 12 | export default ({
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| 13 | buffer,
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| 14 | path,
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| 15 | target: { base = '.', dir = '.', ext = {}, fingerprint = false } = {}
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| 16 | }) => {
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| 17 | const oldExt = npath.extname(path);
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| 18 | return setExt(
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| 19 | npath.join(dir, npath.relative(base, path).replace(/\.\./g, '__')),
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| 20 | (fingerprint ? `~${getHash(buffer)}` : '') + (ext[oldExt] || oldExt)
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| 21 | );
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| 22 | };
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