@dderevjanik/termux-api/src/scripts/termux-contact-list.ts

This library allows you to interact with your Android device from Node.js using termux-api

import { exec } from "child_process";

export interface Contact {
  /**
   * The name of the contact
   * @example "John Doe"
   */
  name: string;
  /**
   * The number of the contact
   * @example	"+421910123456" or "0910123456" or "4ka"
   */
  number: string;
}

/**
 * List all contacts
 *
 * **Requires permission:** `android.permission.READ_CONTACTS`
 */
export async function contactList(): Promise<Contact[]> {
  return new Promise<Contact[]>((resolve, reject) => {
    const command = "termux-contact-list";
    exec(command, (error, stdout, stderr) => {
      if (error) {
        return reject(`Error: ${error.message}`);
      }
      if (stderr) {
        return reject(`Error: ${stderr}`);
      }
      const output = stdout.trim();
      const contacts: Contact[] = JSON.parse(output);
      return resolve(contacts);
    });
  });
}