collection.js

export default class Collection
{
    constructor( { collection=[], shouldUpdateBeforeRender=false, shouldUpdateAfterRender=false } )
    {
        this._collection = collection;
        this._shouldUpdateBeforeRender = shouldUpdateBeforeRender;
        this._shouldUpdateAfterRender = shouldUpdateAfterRender;
    }
    // blah blah custom methods
}

Object.getOwnPropertyNames( Array.prototype ).forEach( prop =>
{
    const method = Array.prototype[prop];
    if ( typeof method === 'function' && prop !== 'constructor' )
    {
        var descriptor = {
            key: prop,
            value()
            {
                return this._collection[prop]( ...arguments );
            }
        };

        Object.defineProperty( Collection.prototype, prop, descriptor );
    }
} );