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//OLOO - delegated objects

var Animal = {
    init: function(name) {
        this.name = name
    },
    say: function() {
        console.log(`I am ${this.name}`)
    }
}

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//Function inheritance
function Animal(name) {
    this.name = name

    this.say = function() {
        console.log(`I am ${this.name}`)
    }
}

function Rabbit(name) {

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//Prototype Pattern
function Animal(name) {
    this.name = name
}

Animal.prototype.say = function() {
    console.log(`I am ${this.name}`)
}

function Rabbit(name) {

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//Function composition
function Animal(name) {
    let publicAPI = {
        say: function() {
            console.log(`I am ${name}`);
        }
    }

    return publicAPI
}

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let observerDecorator = (function () {
    let eventList = {}

    return function (obj) {
        obj.addEvent = (event, fn) => {
            if(!eventList[event]) {
                eventList[event] = []
            }

            if(eventList[event].indexOf(fn) === -1) {

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(function() {
    let chatModule = (function() {
        let message = 'hi bro'

        function say() {
            console.log(message);
        }

        return {
            say: say