Vitu ndani ya Vitu kwenye TypeScript

Vitu vinaweza kuwa na vitu vingine ndani yake, vinavyoelezewa na interfaces tofauti. Tuangalie kwa mifano.

Tuchukulie tuna interface inayoelezea kitu cha jiji:

interface City {
	name: string
}

Tufanye pia interface inayoelezea mtumiaji. Wakati huo huo, mtumiaji atakuwa na jina, umri na jiji, ambalo lenyewe ni kitu:

interface User {
	name: string,
	age: number,
	city: City
}

Wacha tuunde kitu cha mtumiaji:

let city: City = {name: 'london'};
let user: User = {name: 'john', age: 30, city: city};

Si lazima kwa jiji kuunda tofauti kutofautisha:

let user: User = {
	name: 'john',
	age: 30,
	city: {name: 'london'}
};

Kimetolewa kitu:

let employee {
	name: 'andrew',
	potision: {
		name: 'programmer'
		salary: 1000,
	},
	addr: {
		country: 'belarus',
		city: 'minsk'
	}
};

Tengeneza interface inayoelezea muundo wa kitu hiki. Toa vitu vilivyomo kwenye interfaces tofauti.

Kimetolewa kitu:

let user: User = {
	name: 'john',
	age: 30,
	parents: {
		mother: {
			name: 'jane',
			age: 30,
			parents: null
		},
		father: {
			name: 'eric',
			age: 30,
			parents: null
		}
	}
}

Tengeneza interface inayoelezea muundo wa kitu hiki. Toa vitu vilivyomo kwenye interfaces tofauti.