/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

-1 vote254 views2 answers
Jquery in angular
TypeScript
3 votes291 views3 answers
Typescript for loop key value pai
TypeScript
0 vote329 views1 answer
Vba if value exists in range
TypeScript
0 vote319 views1 answer
Matlab components area
TypeScript
0 vote312 views2 answers
"Type error: ReflectionFunction::__construct() expects parameter 1 to be string, array given"
TypeScript
0 vote283 views1 answer
How to find out the amount of ints in c++
TypeScript
0 vote301 views1 answer
Property 'kName' does not exist on type '{}'
TypeScript
1 vote299 views1 answer
Property 'val' does not exist on type 'Readonly<{}>
TypeScript
19 votes335 views4 answers
Number of digits in a number python
TypeScript
0 vote310 views2 answers
Get string in brackets python
TypeScript