@dderevjanik/termux-api/src/scripts/termux-sms-send.ts

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

import { exec } from "child_process";

export interface SmsSendOptions {
  /**
   * Numbers Recipient number(s)
   * @example ["+421910123456", "0910123456", "4ka"]
   */
  numbers: string[];
  /**
   * Text Text of the SMS
   * @example "Hello, World!"
   */
  text: string;
  /**
   * Sim slot to use - silently fails if slot number is invalid or if missing `READ_PHONE_STATE` permission
   * @default 0
   */
  slot?: number;
}

/**
 * Send a SMS message to the specified recipient number(s)
 */
export async function smsSend(options: SmsSendOptions): Promise<void> {
  const opts: SmsSendOptions = {
    slot: 0,
    // number: "",
    ...options,
  };
  if (opts.numbers.length === 0) {
    throw new Error("Error: No recipient number(s) provided");
  }
  return new Promise<void>((resolve, reject) => {
    const command = `termux-sms-send -n "${opts.numbers.join(",")}" -s ${
      opts.slot
    } "${opts.text}"`;
    exec(command, (error, stdout, stderr) => {
      if (error) {
        return reject(`Error: ${error.message}`);
      }
      if (stderr) {
        return reject(`Error: ${stderr}`);
      }
      resolve();
    });
  });
}