nested formarray in angular 8
import { Component } from '@angular/core';
import { FormGroup, FormArray, FormBuilder } from '@angular/forms'
@Component({
selector: 'app-root',
templateUrl: './app.component.html',
styleUrls: ['./app.component.css']
})
export class AppComponent {
title = 'Nested FormArray Example Add Form Fields Dynamically';
empForm:FormGroup;
constructor(private fb:FormBuilder) {
this.empForm=this.fb.group({
employees: this.fb.array([]) ,
})
}
employees(): FormArray {
return this.empForm.get("employees") as FormArray
}
newEmployee(): FormGroup {
return this.fb.group({
firstName: '',
lastName: '',
skills:this.fb.array([])
})
}
addEmployee() {
console.log("Adding a employee");
this.employees().push(this.newEmployee());
}
removeEmployee(empIndex:number) {
this.employees().removeAt(empIndex);
}
employeeSkills(empIndex:number) : FormArray {
return this.employees().at(empIndex).get("skills") as FormArray
}
newSkill(): FormGroup {
return this.fb.group({
skill: '',
exp: '',
})
}
addEmployeeSkill(empIndex:number) {
this.employeeSkills(empIndex).push(this.newSkill());
}
removeEmployeeSkill(empIndex:number,skillIndex:number) {
this.employeeSkills(empIndex).removeAt(skillIndex);
}
onSubmit() {
console.log(this.empForm.value);
}
}
export class country {
id: string;
name: string;
constructor(id: string, name: string) {
this.id = id;
this.name = name;
}
}
