JSFiddle - React, Tailwind, and code Playground

HTML

<body>
    <div id="graph"></div>
</body>

CSS

#graph {
    border: 1px solid black;
}

.link {
    stroke: #000;
    stroke-width: 1px;
}

.node-circle {
    cursor: move;
    fill: #ccc;
    stroke: #000;
    stroke-width: 2px;
}

JavaScript

var nodes;
    var links;
    prepareData();

    var graph = document.querySelectorAll("#graph")[0];
    var height = 500;
    var width = 500;

    var svg = d3.select("#graph").append("svg:svg")
            .attr("width", width)
            .attr("height", height)
            .attr("pointer-event", "all")
        .append("svg:g")
            .call(d3.behavior.zoom().on("zoom", zoom))
        .append("svg:g");

    svg.append("svg:rect")
        .attr("width", width)
        .attr("height", height)
        .attr('fill', 'white');



    var link = svg.selectAll(".link");
    var node = svg.selectAll(".node");

    var force = d3.layout.force()
        .nodes(nodes)
        .links(links)
        .size([width,height])
        .linkDistance(100)
        .charge(-400)
        .start();

function drag(){
    return force.drag()
       // .origin(function(d) { return d; })
        .on("dragstart", dragstarted)
        .on("drag", dragged)
        .on("dragend", dragended);
}


    //var drag = 

    node = svg.selectAll(".node")
    
        .data(nodes)
        .enter().append("g")
        .attr("class", "node")
        //.call(drag)
    
    
    .call(force.drag() //-calls the drag on the nodes
        .on("drag", function(d) { drag() }))
	;
    ;

    node.append("circle")
        .attr("class", "node-circle")
        .attr("r", 12);

    node.append("text")
        .attr("x", 12)
        .attr("y", ".35em")
        .text(function(d) { return d.word; });

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

    force.on("tick", function() {
        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 + ")"; });
    });

    function...