French soccer championship replay

French soccer championship 2014/2015 replay, inspired by the #Oscars Race from Nicolas Belmonte.

<!DOCTYPE html>
<meta charset="utf-8">

<style>

body {
  font: 10px sans-serif;
}

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

.y.axis path {
  fill: none;
}

.y.axis line {
  fill: none;
  stroke: #eeeeee;
  shape-rendering: crispEdges;
}

.date {
  font: 500 196px "Helvetica Neue";
  fill: #aaa;
}
</style>

var margin = {top: 20, right: 80, bottom: 0, left: 30},
    width = 960 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;

var speed = 600;

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

var y = d3.scale.ordinal()
    .rangeRoundBands([height, 0], .1);

var xAxis = d3.svg.axis()
    .scale(x)
    .tickSize(0)
    .orient("top");

var yAxis = d3.svg.axis()
    .scale(y)
    .tickSize(-width)
    .tickPadding(10)
    .orient("left");

var line = d3.svg.line()
    .x(function(d) { return x(d.matchday); })
    .y(function(d) { return y(d.position) + y.rangeBand()/2; });

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 + ")");

var clip = svg.append("clipPath")
	.attr("id", "clip")
  .append("rect")
    .attr("width", 0)
    .attr("height", height);

d3.json("data.json", function(error, data) { 
  
  y.domain(d3.range(1,d3.max(data.standing, function(club) { return d3.max(club.rank, function(d) { return d.position; }); }) + 1 ).reverse());
  xAxis.tickValues(data.standing[0].rank.map(function(d) { return d.matchday; }));
  x.domain(d3.extent(data.standing[0].rank.map(function(d) { return d.matchday; })));
  
  svg.append("g")
	.attr("class", "y axis")
  	.call(yAxis);

svg.append("g")
	.attr("class", "x axis")
  	.call(xAxis);

var club = svg.selectAll(".club")
      .data(data.standing)
    .enter().append("g")
      .attr("class", "club");

var matchday = 1;

var transition = d3.transition()
    .duration(speed)
    .each("start", function start() {

label.transition()
        .duration(speed)
        .ease('linear')
	    .attr("transform", function(d) { return "translate(" + x(d.rank[matchday].matchday) + "," + (y(d.rank[matchday].position) + y.rangeBand()/2) + ")"; })
	    .text(function(d) { return "#"+ d.rank[matchday].position + " " + d.teamName; });
  
      circleEnd.transition()
        .duration(speed)
        .ease('linear')
        .attr("cx", function(d) { return x(d.rank[matchday].matchday); })
        .attr("cy", function(d) { return y(d.rank[matchday].position) + y.rangeBand()/2; });

clip.transition()
        .duration(speed)
        .ease('linear')
        .attr("width", x(matchday+1))
        .attr("height", height);
      
      matchday+=1;

if (matchday !== data.standing[0].rank.length) transition = transition.transition().each("start", start);
     
    });

});

</script>

https://d3js.org/d3.v3.min.js