Use Import To Read A JSON File From Assets in Angular

app.component.ts

import { Component, OnInit } from '@angular/core';
import * as jsonData from '../assets/data.json';

@Component({
  selector: 'my-app',
  template: `
    <h1>{{ title }}</h1>
  `,
})
export class AppComponent implements OnInit {
  title = 'Read A JSON File From Assets';
  data: any = jsonData;

  ngOnInit() {
    console.log('Data', this.data);
  }
}