/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 vote121 views1 answer
Typescript key as string
TypeScript
0 vote115 views2 answers
Accept the SDK license agreements and install the missing components using the Android Studio SDK Manager
TypeScript
1 vote114 views1 answer
React typescript input set focus dinamically
TypeScript
35 votes152 views3 answers
Module.exports multiple functions
TypeScript
0 vote118 views1 answer
Url prod
TypeScript
0 vote114 views1 answer
O arquivo yarn.ps1 não pode ser carregado porque a execução de scripts foi desabilitada neste sistema
TypeScript
0 vote116 views1 answer
Js div 3 secound hide
TypeScript
1 vote119 views1 answer
Json-server : File C:\Users\ROUSHAN SHARMA\AppData\Roaming\npm\json-server.ps1 cannot be loaded because running scripts is disabled on this system. For more information, see
TypeScript
0 vote123 views1 answer
This typescript
TypeScript
1 vote121 views1 answer
Google sheets concatenate
TypeScript