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Commit 5febc5d

Browse files
Merge branch 'dev' into feature/patterns
2 parents 7109c7c + 9c7db3a commit 5febc5d

26 files changed

+1643
-1591
lines changed

‎.nvmrc‎

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v11.10.1

‎.travis.yml‎

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language: node_js
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3-
node_js:
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- '11'
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branches:
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only:
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- master
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const CHAIN_OF_RESPONSIBILITY = {
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id: 'chain_of_responsibility',
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name: 'Chain of Responsibility',
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type: 'behavioral',
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hint: 'delegates commands to a chain of processing objects',
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codeES5: `function ShoppingCart() {
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this.products = [];
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this.addProduct = function(p) {
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this.products.push(p);
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};
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}
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function Discount() {
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this.calc = function(products) {
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var ndiscount = new NumberDiscount();
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var pdiscount = new PriceDiscount();
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var none = new NoneDiscount();
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ndiscount.setNext(pdiscount);
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pdiscount.setNext(none);
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return ndiscount.exec(products);
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};
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}
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function NumberDiscount() {
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this.next = null;
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this.setNext = function(fn) {
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this.next = fn;
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};
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this.exec = function(products) {
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var result = 0;
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if (products.length > 3) result = 0.05;
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return result + this.next.exec(products);
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};
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}
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function PriceDiscount() {
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this.next = null;
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this.setNext = function(fn) {
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this.next = fn;
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};
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this.exec = function(products) {
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var result = 0;
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var total = products.reduce(function(a, b) {
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return a + b;
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});
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if (total >= 500) result = 0.1;
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return result + this.next.exec(products);
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};
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}
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function NoneDiscount() {
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this.exec = function() {
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return 0;
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};
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}
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module.exports = [ShoppingCart, Discount];`,
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codeES6: `class ShoppingCart {
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constructor() {
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this.products = [];
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}
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addProduct(p) {
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this.products.push(p);
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}
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}
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class Discount {
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calc(products) {
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let ndiscount = new NumberDiscount();
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let pdiscount = new PriceDiscount();
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let none = new NoneDiscount();
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ndiscount.setNext(pdiscount);
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pdiscount.setNext(none);
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return ndiscount.exec(products);
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}
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}
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class NumberDiscount {
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constructor() {
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this.next = null;
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}
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setNext(fn) {
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this.next = fn;
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}
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exec(products) {
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let result = 0;
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if (products.length > 3) result = 0.05;
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return result + this.next.exec(products);
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}
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}
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class PriceDiscount {
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constructor() {
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this.next = null;
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}
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setNext(fn) {
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this.next = fn;
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}
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exec(products) {
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let result = 0;
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let total = products.reduce((a, b) => a + b);
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if (total >= 500) result = 0.1;
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return result + this.next.exec(products);
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}
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}
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class NoneDiscount {
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exec() {
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return 0;
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}
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}
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export { ShoppingCart, Discount };`
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};
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export default CHAIN_OF_RESPONSIBILITY;
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const COMMAND = {
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id: 'command',
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name: 'Command',
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type: 'behavioral',
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hint: 'creates objects which encapsulate actions and parameters',
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codeES5: `function Cockpit(instruction) {
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this.instruction = instruction;
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}
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Cockpit.prototype.execute = function() {
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this.instruction.execute();
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};
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function Turbine() {
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this.speed = 0;
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this.state = false;
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}
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Turbine.prototype.on = function() {
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this.state = true;
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this.speed = 100;
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};
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Turbine.prototype.off = function() {
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this.speed = 0;
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this.state = false;
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};
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Turbine.prototype.speedDown = function() {
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if (!this.state) return;
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this.speed -= 100;
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};
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Turbine.prototype.speedUp = function() {
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if (!this.state) return;
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this.speed += 100;
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};
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function OnInstruction(turbine) {
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this.turbine = turbine;
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}
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OnInstruction.prototype.execute = function() {
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this.turbine.on();
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};
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function OffInstruction(turbine) {
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this.turbine = turbine;
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}
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OffInstruction.prototype.execute = function() {
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this.turbine.off();
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};
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function SpeedUpInstruction(turbine) {
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this.turbine = turbine;
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}
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SpeedUpInstruction.prototype.execute = function() {
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this.turbine.speedUp();
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};
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function SpeedDownInstruction(turbine) {
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this.turbine = turbine;
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}
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SpeedDownInstruction.prototype.execute = function() {
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this.turbine.speedDown();
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};
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module.exports = [Cockpit, Turbine, OnInstruction, OffInstruction, SpeedUpInstruction, SpeedDownInstruction];`,
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codeES6: `class Cockpit {
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constructor(instruction) {
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this.instruction = instruction;
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}
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execute() {
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this.instruction.execute();
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}
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}
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class Turbine {
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constructor() {
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this.state = false;
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}
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on() {
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this.state = true;
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}
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off() {
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this.state = false;
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}
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}
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class OnInstruction {
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constructor(turbine) {
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this.turbine = turbine;
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}
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execute() {
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this.turbine.on();
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}
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}
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class OffInstruction {
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constructor(turbine) {
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this.turbine = turbine;
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}
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execute() {
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this.turbine.off();
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}
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}
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export { Cockpit, Turbine, OnInstruction, OffInstruction };`
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};
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export default COMMAND;
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const INTERPRETER = {
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id: 'interpteter',
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name: 'Interpreter',
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type: 'behavioral',
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hint: 'implements a specialized language',
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codeES5: `function Sum(left, right) {
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this.left = left;
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this.right = right;
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}
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Sum.prototype.pattern = function() {
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return this.left.pattern() + this.right.pattern();
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};
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function Min(left, right) {
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this.left = left;
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this.right = right;
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}
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Min.prototype.pattern = function() {
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return this.left.pattern() - this.right.pattern();
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};
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function Num(val) {
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this.val = val;
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}
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Num.prototype.pattern = function() {
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return this.val;
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};
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module.exports = [Num, Min, Sum];`,
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codeES6: `class Sum {
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constructor(left, right) {
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this.left = left;
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this.right = right;
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}
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pattern() {
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return this.left.pattern() + this.right.pattern();
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}
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}
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class Min {
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constructor(left, right) {
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this.left = left;
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this.right = right;
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}
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pattern() {
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return this.left.pattern() - this.right.pattern();
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}
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}
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class Num {
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constructor(val) {
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this.val = val;
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}
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pattern() {
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return this.val;
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}
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}
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export { Num, Min, Sum };`
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};
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export default INTERPRETER;
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const ITERATOR = {
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id: 'iterator',
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name: 'Iterator',
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type: 'behavioral',
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hint:
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'accesses the elements of an object sequentially without exposing its underlying representation',
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codeES5: `function Pattern(el) {
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this.index = 0;
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this.elements = el;
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}
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Pattern.prototype = {
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next: function() {
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return this.elements[this.index++];
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},
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hasNext: function() {
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return this.index < this.elements.length;
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}
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};
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module.exports = Pattern;`,
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codeES6: `class Pattern {
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constructor(el) {
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this.index = 0;
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this.elements = el;
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}
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next() {
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return this.elements[this.index++];
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}
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hasNext() {
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return this.index < this.elements.length;
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}
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}
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export default Pattern;`
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};
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export default ITERATOR;

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