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node-object-iterator

A module to walk through an object with an iterator

Installation

npm install --save object-iterator

Usage

An iterator is a function you can call several times and of which you should expect a different value every time. In this case, the iterator iterates over the given object and returns this kind of object every time

{
    type: 'array|object|number|boolean|string|null|end-array|end-object'
    value: 8 // actual value
    key: 0 // the key (number or string) on which this value was found
}
  • type is the current state of the iterator. It mostly indicates the type of the current value
  • value (optional) present when the current value is a simple value (as opposed to a composed value)
  • key is the key this value was found on
var oi = require('object-iterator');
var source = [8, {one: 1, yes: true}, null];
var next = oi(source);
var v;
while(v = next()) {
    console.log(v.type);
}

// array
// number
// object
// number
// boolean
// end-object
// null
// end-array

Reference

ObjectIterator(source)

Returns an iterator over the given source value.

TODOs

  • Check for recursive walks

License

MIT

Copyright (c) 2013 Florent Jaby

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.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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A module to walk through an object with an iterator

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