JSFiddle - React, Tailwind, and code Playground

by Critter

HTML

<body>

CSS

body {
  font: 10px sans-serif;
}

.axis path,
.axis line {
  fill: none;
  stroke: #000;
  shape-rendering: crispEdges;
}

.x.axis path {
  display: none;
}

.line {
  fill: none;
  stroke: steelblue;
  stroke-width: 1.5px;
}

.overlay {
  fill: none;
  pointer-events: all;
}

.focus circle {
  fill: none;
  stroke: steelblue;
}

.range {
    fill: #eee;
    opacity: .4;
    pointer-events: all;
    shape-rendering: crispEdges;
}

JavaScript

var margin = {top: 20, right: 50, bottom: 30, left: 50},
    width = 960 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;

var parseDate = d3.time.format("%d-%b-%y").parse,
    bisectDate = d3.bisector(function(d) { return d.date; }).left,
    formatValue = d3.format(",.2f"),
    formatCurrency = function(d) { return "$" + formatValue(d); };

var x = d3.time.scale()
    .range([0, width]);

var y = d3.scale.linear()
    .range([height, 0]);

var xAxis = d3.svg.axis()
    .scale(x)
    .orient("bottom");

var yAxis = d3.svg.axis()
    .scale(y)
    .orient("left");

var line = d3.svg.line()
    .x(function(d) { return x(d.date); })
    .y(function(d) { return y(d.close); });

var svg = d3.select("body").append("svg")
    .attr("width", width + margin.left + margin.right)
    .attr("height", height + margin.top + margin.bottom)
  .append("g")
    .attr("transform", "translate(" + margin.left + "," + margin.top + ")");


// INSTEAD OF LOADING AN EXTERNAL TSV FILE LIKE THIS...
/*
d3.tsv("data/tsx.tsv", function (error, data) {
    data.forEach(function (d) {
        d.dateOrig = d.date;
        d.date = parseDate(d.date);
        d.close = +d.close;
});
*/

// I WANT TO USE AN INLINE JSON FORMATTED ARRAY LIKE THIS...
    var data = [
      {"date":"1-May-13","close":58.13},
      {"date":"30-Apr-13","close":53.98},
      {"date":"27-Apr-13","close":67.00},
      {"date":"26-Apr-13","close":89.70},
      {"date":"25-Apr-13","close":99.00},
      {"date":"24-Apr-13","close":130.28},
      {"date":"23-Apr-13","close":166.70},
      {"date":"20-Apr-13","close":234.98},
      {"date":"19-Apr-13","close":345.44},
      {"date":"18-Apr-13","close":443.34},
    ];
        
// BUT WHEN I PARSE THE ARRAY THE SAME WAY I WOULD HAVE WITH THE EXTERNAL TSV
// USING THE CODE BELOW, I'M GETTING UNDESIRABLE RESULTS WHERE THE CODE BELOW IS
// LOOPING BY THE NUMBER OF ELEMENTS IN THE ARRAY (10) AND APPENDING THE CHART
// ELEMENTS 10 TIMES...
    
 ...