Polkadot JavaScript API

Introduction
Warning - currently this does not actually do all that much, it is an attempt to put into code some thoughts about how to maintain the endpoints.
Usage
Installation -
npm install --save @polkadot/api
Initialisation -
import Api from '@polkadot/api';
const provider = new Api.HttpProvider('http://127.0.0.1:9933');
const api = new Api(provider);
Making calls -
api.chain
.getHeader('0x1234567890')
.then((header) => console.log(header))
.catch((error) => console.error(error));
Available methods
For a list of currently exposed methods, see the jacogr/polkadot-js-jsonrpc/ repository.