Use HttpClient To Read A JSON File From Assets In Angular

app.component.ts

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

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

  constructor(private httpClient: HttpClient) {}

  ngOnInit() {
    this.httpClient.get(this.URL).subscribe(console.log);
  }
}