storage

tiny storage layer to simplify localStorage.

Installation

$ npm install @segment/storage

Example

set / get / clear

var store = require('@segment/storage')('topic');

store('key', [1, 2, 3]);
store('key'); // => [1, 2, 3]
store(); // => { key: [1, 2, 3] }
store(null);
store(); // => {}

localStorage events

var store = require('@segment/storage')('topic');

// tab 1
store(function(e){
  assert('key' == e.key);
  assert(null == e.previous);
  assert([1, 2, 3] eql e.current);
  assert(e.url);
});

store('key', function(e){
  assert('key' == e.key);
  assert(null == e.previous);
  assert([1, 2, 3] eql e.current);
  assert(e.url);
});

// tab 2
var store = require('@segment/storage')('topic');

store('key', [1, 2, 3]);

API

storage(topic)

Initialize new store with topic.

store(key, value)

Set key, value in topic.

store(key)

Get key in topic

store()

Get all items in topic.

store(null)

Clear all items in topic.

store(fn)

Listen on changes in topic.

store(key, fn)

Call fn(e) when key changes.

- `.previous` parsed `.oldValue`.
- `.current` parsed `.newValue`.

License

(MIT)