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extract-opts

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extract-opts

Extract the options and callback from a function's arguments easily

  • 3.0.1
  • Source
  • npm
  • Socket score

Version published
Weekly downloads
138K
increased by19.03%
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Extract Options

Build Status NPM version NPM downloads Dependency Status Dev Dependency Status
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Extract the options and callback from a function's arguments easily

Install

NPM

  • Use: require('extract-opts')
  • Install: npm install --save extract-opts

Browserify

  • Use: require('extract-opts')
  • Install: npm install --save extract-opts
  • CDN URL: //wzrd.in/bundle/extract-opts@3.0.1

Ender

  • Use: require('extract-opts')
  • Install: ender add extract-opts

Usage

var extractOpts = require('extract-opts')

// fs.readFile(filename, [options], callback)
var readFile = function(filename, opts, callback){
	// Extract options and callback
	var args = extractOpts(opts, callback)
	opts = args[0]
	callback = args[1]

	// Forward for simplicities sake
	require('fs').readFile(filename, opts, callback)
};

// Test it
var next = console.log.bind(console)
readFile('package.json', next)          // works with no options
readFile('package.json', null, next)    // works with null options
readFile('package.json', {next:next})   // works with just options

History

Discover the change history by heading on over to the HISTORY.md file.

Contribute

Discover how you can contribute by heading on over to the CONTRIBUTING.md file.

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License

Unless stated otherwise all works are:

and licensed under:

  • The #{type} License

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Package last updated on 13 Mar 2015

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