Built upon React-TypeScript and React-Bubble-Chart
Note that React-Bubble-Chart has an obsolete dependency on d3@3.5ish

It periodically queries the server to update the chart.

The data returned from server has to be in a format of

{...
  data:
    [
      {'_id':John Smith, 'value':3}
      ...
    ]
}

To install:

npm install

To run:

npm start

to build:

npm build