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;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')}`)Copyright © 2021 Codeinu
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