JSFiddle - React, Tailwind, and code Playground

CSS

.link {
  stroke: #ccc;
}

.node text {
  pointer-events: none;
  font: 10px sans-serif;
}

JavaScript

var json = {
  "nodes": [
    {"name": "d3"},
    {"name": "d3.svg"},
    {"name": "d3.svg.area"},
    {"name": "d3.svg.line"},
    {"name": "d3.scale"},
    {"name": "d3.scale.linear"},
    {"name": "d3.scale.ordinal"},
    {"name": "test8"},
    {"name": "test9"}
  ],
  "links": [
    {"source": 0, "target": 1},
    {"source": 1, "target": 2},
    {"source": 1, "target": 3},
    {"source": 0, "target": 4},
    {"source": 4, "target": 5},
    {"source": 4, "target": 6},
    {"source": 8, "target": 9}

  ]
};

var width = 960,
    height = 500

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

var force = d3.layout.force()
    .gravity(.05)
    .distance(100)
    .charge(-350)
    .size([width, height]);

force
      .nodes(json.nodes)
      .links(json.links)
      .start();

  var link = svg.selectAll(".link")
      .data(json.links)
    .enter().append("line")
      .attr("class", "link");

  var node = svg.selectAll(".node")
      .data(json.nodes)
    .enter().append("g")
      .attr("class", "node")
      .call(force.drag);

  node.append("image")
      .attr("xlink:href", "https://github.com/favicon.ico")
      .attr("x", -8)
      .attr("y", -8)
      .attr("width", 16)
      .attr("height", 16);

  node.append("text")
      .attr("dx", 12)
      .attr("dy", ".35em")
      .text(function(d) { return d.name });

  force.on("tick", function(e) {
      var k = 6 * e.alpha;
    json.links.forEach(function(d, i) {
      d.source.y -= k;
      d.target.y += k;
    });
    link.attr("x1", function(d) { return d.source.x; })
        .attr("y1", function(d) { return d.source.y; })
        .attr("x2", function(d) { return d.target.x; })
        .attr("y2", function(d) { return d.target.y; });

    node.attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; });
  });