Validator functions for many types of input, intended for use with express
npm install purifypurify
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The library provides a number of battle tested validation functions. Each returns the
value supplied or a defaultValue. Mostly, you can leave defaultValue empty, which
will cause purify to return undefined in case the value doesn't pass validation.
Usage
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The library can be installed by simply installing purify from npm and can be used
body on node with require('purify') or as a self-contained UMD browser bundle that
can be used directly in a script tag as follows: