Transaction SMS Parser

A library to parse transaction sms text to extract relevant information from it. A naive implementation using mostly regular expressions. Try the Live App to check the functionality

Installation

npm install transaction-sms-parser

How to use

The main method to use be used is:

getTransactionInfo(message: string): ITransactionInfo

It takes sms text as input and will give an object of ITransactionInfo type

interface ITransactionInfo {
  account: IAccountInfo;
  balance: IBalance | null;
  transaction: ITransaction;
}

interface IBalance {
  available: string | null;
  outstanding: string | null;
}

interface IAccountInfo {
  type: IAccountType | null;
  number: string | null;
  name: string | null;
}

enum IAccountType {
  CARD = 'CARD',
  WALLET = 'WALLET',
  ACCOUNT = 'ACCOUNT',
}

interface ITransaction {
  type: TTransactionType | null;
  amount: string | null;
  referenceNo: string | null;
  merchant: string | null;
}

type TTransactionType = "debit" | "credit" | null;

Example

import { getTransactionInfo } from 'transaction-sms-parser';

const sms =
  'INR 2000 debited from A/c no. XX3423 on 05-02-19 07:27:11 IST at ECS PAY. Avl Bal- INR 2343.23.';

const transactionInfo = getTransactionInfo(sms);

//output
{
    account: {
      type: 'ACCOUNT',
      number: '3423',
      name: null,
    },
    balance: { available: '2343.23', outstanding: null },
    transaction: {
      type: 'debit',
      amount: '2343.23',
      referenceNo: null,
      merchant: null,
    }
}

Testing

How to unit test ?

Tested with the SMS text from following banks/cards/wallets:

Banks:

• Axis
• ICICI
• Kotak
• HDFC
• Standard Charted
• IDFC
• Niyo global
• SBM Bank
• Federal Bank

Credit Cards:

• HSBC
• Citi Bank
• Sodexo
• ICICI
• Uni Card
• Indusind Bank
• Slice
• One card
• HDFC
• IDFC

Wallets

• Paytm
• Amazon pay
• Lazypay
• Simpl
• Paytm postpaid