JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://d3js.org/d3.v2.js"></script>

JavaScript

blocks = [
  { x: 0, y: 0 }
];

var translate_var = [0,0];

zoom_var = d3.behavior.zoom()
  .on("zoom", function(d) {
    translate_var = d3.event.translate;
    draw();
  });

svg = d3.select("body")
  .append("svg:svg")
  .attr("width", 600)
  .attr("height", 600);

function draw() {
  g = svg.selectAll("g")
    .data(blocks);
  
  gEnter = g.enter().append("g")
    .call(zoom_var);
    
    console.log(translate_var);

  g.attr("transform", function(d) { return "translate("+translate_var[0]+","+translate_var[1]+")"; });

  gEnter.append("rect")
    .attr("height", 100)
    .attr("width", 100);
}

draw()