import { NgBrazil } from 'ng-brazil' 

@NgModule({
  declarations: [
    AppComponent
  ],
  imports: [
    ....,
    NgBrazil
  ],
  providers: [],
  bootstrap: [AppComponent]
})
export class AppModule { }

import { TextMaskModule } from 'angular2-text-mask';

imports: [
    ....,
    TextMaskModule,
    NgBrazil
  ], 

import { Component } from '@angular/core';
import { MASKS, NgBrazilValidators } from 'ng-brazil';

@Component({
  selector: 'app-root',
  template: '<input type="text" [cpf]>',
  styleUrls: ['./app.component.css']
})
export class AppComponent {
  public MASKS = MASKS;
  
  constructor() { 
    this.formFields = {
      estado: [''],
      cpf: ['', [<any>Validators.required, <any>NgBrazilValidators.cpf]],
      cnpj: ['', [<any>Validators.required, <any>NgBrazilValidators.cnpj]],
      rg: ['', [<any>Validators.required, <any>NgBrazilValidators.rg]],
      cep: ['', [<any>Validators.required, <any>NgBrazilValidators.cep]],
      telefone: ['', [<any>Validators.required, <any>NgBrazilValidators.telefone]],
      inscricaoestadual: ['', [<any>Validators.required, <any>NgBrazilValidators.inscricaoestadual(this.estado)]]
    };
    this.form = this.fb.group(this.formFields);
  }

}

import { Component } from '@angular/core';
import { NgBrDirectives } from 'ng-brazil';

@Component({
  selector: 'app-root',
  template: '<input type="text" [cpf]>',
  styleUrls: ['./app.component.css']
})
export class AppComponent {
  inscricaoestadual() {
    const {InscricaoEstadualPipe} = NgBrDirectives;
    return new InscricaoEstadualPipe()
      .transform('625085487072', 'sp');
  }
}