tnt-observe/src/observe/array.js

Object and Array observe (using Proxy)

"use strict";

let triggerChange = function() {

	if( this._cb ) {

		let result = [];
		this.forEach( v => result.push( v ) );
		this._cb( result );
	}
};

let ObservableArray = function( array, cb ) {

	Array.prototype.push.apply( this, array );
	this._cb = cb;
	return this;
};

ObservableArray.prototype = Object.create( Array.prototype );

['push',
'pop',
'shift',
'unshift',
'splice',
'splice',
'sort',
'reverse'].forEach( ( method ) => {

	ObservableArray.prototype[ method ] = function() {

		Array.prototype[ method ].apply( this, arguments );
		triggerChange.call(this);
	};
} );

export default ObservableArray;