var params = require('params');Remove everything, except the supplied keys.
params({ foo: 1, bar: 2, baz: 3 }).only('foo', 'baz');
params({ foo: 1, bar: 2, baz: 3 }).only(['foo', 'baz']);
// => { foo: 1, baz: 3 }Remove the supplied keys.
params({ foo: 1, bar: 2, baz: 3 }).except('foo', 'baz');
params({ foo: 1, bar: 2, baz: 3 }).except(['foo', 'baz']);
// => { bar: 2 }Require given keys
params({ foo: 1, bar: 2, baz: 3 }).require('missing', 'key');
params({ foo: 1, bar: 2, baz: 3 }).require(['missing', 'key']);
// Error: Missing key "missing" for { foo: 1, bar: 2, baz: 3 }Like #only, but mutates the object.
var hash = { foo: 1, bar: 2, baz: 3 };
params(hash)
.permit('foo')
.permit('baz')
.slice()
console.log(hash);
// => { foo: 1, baz: 3 }$ npm install params
- Node.js >= 0.6.0
$ npm install
$ make test
(The MIT License)
Copyright (c) 2012 Veselin Todorov [email protected]
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the 'Software'), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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