/TypeScript/Singleton design pattern typescript

Singleton design pattern typescript

Typescript singleton

class MyClass
{
    private static _instance: MyClass;

    private constructor()
    {
        //...
    }

    public static get Instance()
    {
        // Do you need arguments? Make it a regular static method instead.
        return this._instance || (this._instance = new this());
    }
}

const myClassInstance = MyClass.Instance;

Source: stackoverflow.com

Singleton design pattern typescript

class Person {
	private static instance: Person

	private constructor() {}

	public static getInstance(): Person {
		if (!Person.instance) {
			Person.instance = new Person()
		}
		return Person.instance
	}

	public name(name: string): string {
		return name
	}

	public age(age: number): number {
		return age
	}

	public hobby(hobby: string): string {
		return hobby
	}
}

const res: Person = Person.getInstance()

console.log(`My name is ${res.name('john doe')} and My age is ${res.age(30)} and My hobby is ${res.hobby('programming')}`)

Similar codes

0 vote146 views1 answer
Positional arguments dart
TypeScript
0 vote198 views1 answer
A tuple type element list cannot be empty.
TypeScript
3 votes167 views1 answer
Mysql insert exists update
TypeScript
0 vote166 views1 answer
Object is possibly
TypeScript
3 votes190 views2 answers
Removing directories in linux
TypeScript
0 vote155 views1 answer
Tiqets endpoints
TypeScript
0 vote165 views1 answer
Paginator
TypeScript
0 vote227 views1 answer
Subplots in subplots
TypeScript
18 votes167 views2 answers
Fluttter http get
TypeScript
14 votes165 views4 answers
Matplotlib subplots size
TypeScript