fitSize in d3 version 4

Dynamically fitting a d3 topojson map to a resizeable container. This uses the new convience method fitSize in d3 version 4.

<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="utf-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1" />
  <title>jQuery UI Resizable - Default functionality</title>
  <script data-require="d3@4.0.0" data-semver="4.0.0" src="https://d3js.org/d3.v4.min.js"></script>
  <script data-require="d3@4.0.0" data-semver="4.0.0" src="https://d3js.org/topojson.v2.min.js"></script>
  <link rel="stylesheet" href="//code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css" />
  <style>
    #resizable {
      width: 150px;
      height: 150px;
      padding: 0.5em;
    }
  </style>

var svg = d3.select("#resizable")
        .append("svg"),
        path = svg.append("path");

var states;
      d3.json('https://jsonblob.com/api/9e44a352-eb09-11e6-90ab-059f7355ffbc', function(error, data) {

states = topojson.feature(data, data.objects.states);
        drawMap(150, 150);

});

function drawMap(w, h) {

svg.attr('width', w)
          .attr('height', h);

var projection = d3.geoAlbersUsa()
          .scale(1).fitSize([w, h], states);

var geoPath = d3.geoPath().projection(projection);

path
          .datum(states)
          .attr("d", geoPath);

}

});
  </script>
</head>

</html>

https://d3js.org/d3.v4.min.js

https://d3js.org/topojson.v2.min.js

https://code.jquery.com/jquery-1.12.4.js

https://code.jquery.com/ui/1.12.1/jquery-ui.js