| 1 | ;
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| 2 | var crypto = require('crypto');
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| 3 |
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| 4 | /*
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| 5 | * Create a cache key for the given name and dir. This is used for all the
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| 6 | * keys in the various caches within hash-for-dep.
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| 7 | *
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| 8 | * @param name is the 'require'-style name (i.e., could include a full path,
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| 9 | * or be relative to dir)
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| 10 | * @param dir optional directory to start resolution from when running
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| 11 | * the node-resolution algorithm as 'require' does.
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| 12 | */
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| 13 | module.exports = function cacheKey(name, dir) {
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| 14 | return crypto.createHash('sha1').update(name + '\x00' + dir).digest('hex');
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| 15 | };
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