“Metoda wywołania od rodzica” Kod odpowiedzi

Metoda wywołania od rodzica

import { Component, OnInit, Input } from '@angular/core';
import { ParentComponentApi } from '../parent/parent.component';

@Component({
  selector: 'app-child',
  template: `<button (click)="callParent()">call parent</button>`,
  styleUrls: ['./child.component.css']
})
export class ChildComponent implements OnInit {

  @Input() parentApi: ParentComponentApi

  constructor() { }

  callParent() {
    this.parentApi.callParentMethod("child")
  }

  ngOnInit() {

  }

}
Sore Salamander

Metoda wywołania od rodzica

import { Component, OnInit } from '@angular/core';

@Component({
  selector: 'app-parent',
  styleUrls: ['./parent.component.css'],
  template: `
  <app-child [parentApi]="getParentApi()"></app-child>
`,
})
export class ParentComponent implements OnInit {

  getParentApi(): ParentComponentApi {
    return {
      callParentMethod: (name) => {
        this.parentMethod(name)
      }
    }
  }

  constructor() { }

  ngOnInit() {
  }

  parentMethod(name: string) {
    console.log(`Hello ${name} from parent`)
  }
  
}

export interface ParentComponentApi {
  callParentMethod: (string) => void
}
Sore Salamander

Metoda wywołania od rodzica

import { Component, OnInit } from '@angular/core';

@Component({
  selector: 'app-parent',
  styleUrls: ['./parent.component.css'],
  template: `
  <app-child [parentApi]="getParentApi()"></app-child>
`,
})
export class ParentComponent implements OnInit {

  getParentApi(): ParentComponentApi {
    return {
      callParentMethod: (name) => {
        this.parentMethod(name)
      }
    }
  }

  constructor() { }

  ngOnInit() {
  }

  parentMethod(name: string) {
    console.log(`Hello ${name} from parent`)
  }
  
}

export interface ParentComponentApi {
  callParentMethod: (string) => void
}
Sore Salamander

Metoda wywołania od rodzica

import { Component, OnInit } from '@angular/core';

@Component({
  selector: 'app-parent',
  styleUrls: ['./parent.component.css'],
  template: `
  <app-child [parentApi]="getParentApi()"></app-child>
`,
})
export class ParentComponent implements OnInit {

  getParentApi(): ParentComponentApi {
    return {
      callParentMethod: (name) => {
        this.parentMethod(name)
      }
    }
  }

  constructor() { }

  ngOnInit() {
  }

  parentMethod(name: string) {
    console.log(`Hello ${name} from parent`)
  }
  
}

export interface ParentComponentApi {
  callParentMethod: (string) => void
}
Sore Salamander

Metoda wywołania od rodzica

import { Component, OnInit } from '@angular/core';

@Component({
  selector: 'app-parent',
  styleUrls: ['./parent.component.css'],
  template: `
  <app-child [parentApi]="getParentApi()"></app-child>
`,
})
export class ParentComponent implements OnInit {

  getParentApi(): ParentComponentApi {
    return {
      callParentMethod: (name) => {
        this.parentMethod(name)
      }
    }
  }

  constructor() { }

  ngOnInit() {
  }

  parentMethod(name: string) {
    console.log(`Hello ${name} from parent`)
  }
  
}

export interface ParentComponentApi {
  callParentMethod: (string) => void
}
Sore Salamander

Metoda wywołania od rodzica

import { Component, OnInit } from '@angular/core';

@Component({
  selector: 'app-parent',
  styleUrls: ['./parent.component.css'],
  template: `
  <app-child [parentApi]="getParentApi()"></app-child>
`,
})
export class ParentComponent implements OnInit {

  getParentApi(): ParentComponentApi {
    return {
      callParentMethod: (name) => {
        this.parentMethod(name)
      }
    }
  }

  constructor() { }

  ngOnInit() {
  }

  parentMethod(name: string) {
    console.log(`Hello ${name} from parent`)
  }
  
}

export interface ParentComponentApi {
  callParentMethod: (string) => void
}
Sore Salamander

Metoda wywołania od rodzica

import { Component, OnInit } from '@angular/core';

@Component({
  selector: 'app-parent',
  styleUrls: ['./parent.component.css'],
  template: `
  <app-child [parentApi]="getParentApi()"></app-child>
`,
})
export class ParentComponent implements OnInit {

  getParentApi(): ParentComponentApi {
    return {
      callParentMethod: (name) => {
        this.parentMethod(name)
      }
    }
  }

  constructor() { }

  ngOnInit() {
  }

  parentMethod(name: string) {
    console.log(`Hello ${name} from parent`)
  }
  
}

export interface ParentComponentApi {
  callParentMethod: (string) => void
}
Sore Salamander

Metoda wywołania od rodzica

import { Component, OnInit, Input } from '@angular/core';
import { ParentComponentApi } from '../parent/parent.component';

@Component({
  selector: 'app-child',
  template: `<button (click)="callParent()">call parent</button>`,
  styleUrls: ['./child.component.css']
})
export class ChildComponent implements OnInit {

  @Input() parentApi: ParentComponentApi

  constructor() { }

  callParent() {
    this.parentApi.callParentMethod("child")
  }

  ngOnInit() {

  }

}
Sore Salamander

Metoda wywołania od rodzica

import { Component, OnInit, Input } from '@angular/core';
import { ParentComponentApi } from '../parent/parent.component';

@Component({
  selector: 'app-child',
  template: `<button (click)="callParent()">call parent</button>`,
  styleUrls: ['./child.component.css']
})
export class ChildComponent implements OnInit {

  @Input() parentApi: ParentComponentApi

  constructor() { }

  callParent() {
    this.parentApi.callParentMethod("child")
  }

  ngOnInit() {

  }

}
Sore Salamander

Metoda wywołania od rodzica

import { Component, OnInit, Input } from '@angular/core';
import { ParentComponentApi } from '../parent/parent.component';

@Component({
  selector: 'app-child',
  template: `<button (click)="callParent()">call parent</button>`,
  styleUrls: ['./child.component.css']
})
export class ChildComponent implements OnInit {

  @Input() parentApi: ParentComponentApi

  constructor() { }

  callParent() {
    this.parentApi.callParentMethod("child")
  }

  ngOnInit() {

  }

}
Sore Salamander

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