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Higher-order functions and common patterns for asynchronous code
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A deep deletion module for node (like `rm -rf`)
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AWS SDK for JavaScript
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fs-extra contains methods that aren't included in the vanilla Node.js fs package. Such as mkdir -p, cp -r, and rm -rf.
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parse argument options
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Full featured Promises/A+ implementation with exceptionally good performance
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Recursively mkdir, like `mkdir -p`
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small debugging utility
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Streams3, a user-land copy of the stream library from Node.js
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