collectionjs

How to use?

// create new instance
var CL = new Collection('Collection Name');
 
// add objects to collection
var a = {x: 1};
var b = {x: 2};
 
CL.add(a); // returns true
CL.add(a); // returns fase, item already exists
 
// remove from collection
CL.remove(a); // returns true
CL.remove(b); // returns false
 
// check existing
CL.exists(b); // returns false
 
CL.add(b); // returns true
CL.exists(b); // returns true
 
// get items list
var CL1 = new Collection('Collection 1 Name');
var CL2 = new Collection('Collection 2 Name');
 
CL1.add(a); // returns true
CL1.add(b); // returns true
 
CL2.add(b); // returns true
 
CL1.list(); // returns [{x: 1}, {x: 2}]
CL2.list(); // returns [{x: 2}]

Methods

• indexed(key): return array of objects indexed by key
• each(callback): for each object
• add(object): add object to collection, return boolean
• remove(object): remove object from collection, return deleted object
• get(): get some object from collection
• exists(object): check object existing in collection
• contains(object): alias for exists method
• list(): return array of objects
• count(): return count of collection objects
• on(eventName, callback): add event listner

Events

• Event add (obj)
• Event remove (obj)
• Event change (obj, boolean isAdd)

CL.on('add', function (obj) {
    console.log(obj);
});