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Andrea Bianchi 2025-05-06 14:20:09 +09:00
parent f27ef79e3c
commit 2856dedb68
5 changed files with 97 additions and 0 deletions
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11
w11-patterns/w8_factory/index.html Normal file
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<!DOCTYPE html>
<html>
<head>
<script src="index.js"></script>
<meta charset="utf-8" />
</head>
<body></body>
</html>

26
w11-patterns/w8_factory/index.js Normal file
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class Computer {
constructor(brand, os, ram, cpu, ssdSize) {
this.brand = brand;
this.os = os;
this.ram = ram;
this.cpu = cpu;
this.ssd = ssdSize;
}
showSpects() {
console.log(
`Brand is ${this.brand} with ${this.os} OS.
CPU: ${this.cpu} / RAM: ${this.ram} / SSD size: ${this.ssd}
`
);
}
}
// 1. Create a Builder for this
class ComputerBuilder {}
// 2. Create a factory
// 3. Change it using a singleton
class ComputerFactory {}
console.log('ready');

5
w11-patterns/w8_observer/Subject.js Normal file
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class Subject {}
class Observer {}
export { Subject, Observer };

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w11-patterns/w8_observer/index.html Normal file
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<!DOCTYPE html>
<html>
<head>
<script type="module" src="./index.js"></script>
<meta charset="utf-8" />
</head>
<body></body>
</html>

44
w11-patterns/w8_observer/index.js Normal file
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import { Observer, Subject } from './Subject.js';
class Fish {
constructor(weight) {
super();
this.weight = weight;
}
getWeight() {
return this.weight;
}
getSpecies() {
return this.species;
}
}
class Salmon extends Fish {
constructor() {
super(2);
this.species = 'Atalntinc salmon';
}
}
class Tuna extends Fish {
constructor() {
super(200);
this.species = 'Bluefin tuna';
}
}
class Fisherman {
constructor(name) {
super();
this.name = name;
}
}
// Main
const bob = new Fisherman('Bob');
const fish1 = new Tuna();
const fish2 = new Salmon();
// 1. subsribe bob (observer) to fish1 and fish2 (subjects)
// 2. fishes (subjects) notify when they are caught