| 1 | {join, dirname} = require 'path'
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| 2 |
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| 3 | # for a given directory:
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| 4 | # Walk backwards, looking for 'package.json' or equivalent
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| 5 | module.exports = findProjectRoot = (dir) ->
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| 6 |
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| 7 | # If we hit root, we've failed to find any 'package.*'.
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| 8 | return undefined if (not dir) or (dir is '/')
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| 9 |
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| 10 | try
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| 11 |
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| 12 | # If this doesn't throw, then it exists.
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| 13 | # We've found a 'package.*', so we're done!
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| 14 | resolved = require.resolve join(dir, 'package')
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| 15 | return dir
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| 16 |
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| 17 | catch err
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| 18 |
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| 19 | # No luck here, so walk back up and check the parent directory
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| 20 | return findProjectRoot dirname(dir)
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