- run "npm install"
- run "node index.js"
- open your browser or postman, test the following url
- url: http://localhost:8000?source=USD&target=JPY&amount=$123,111.2312
- note 1 (souce && target): only "USD, JPY, TWD" are considered valid currency.
- note 2 (amount):
- Please format the query parameter "amount" with commas for thousands separators.
- A maximum of ten digits after the decimal point is allowed.
- Negative amount is not allowed.
- Dollar sign is required here.
- unit test
- run "npm test"