extract-opts

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

npm install extract-opts
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Extract Opts

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

Install

  1. Install Node.js
  2. npm install --save extract-opts

Usage

var extractOpts = require('extract-opts').extractOpts;

// 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

You can discover the history inside the History.md file

License

Licensed under the incredibly permissive MIT License
Copyright © 2013+ Bevry Pty Ltd
Copyright © 2011-2012 Benjamin Arthur Lupton

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