snippet to word wrap text in d3js treemap

word_wrap_d3js_treemap.js

....
  text = cell.append("text")
      .attr("x", function(d) { return d.dx / 2; })
      .attr("y", function(d) { return d.dy / 2; })
      .attr("dy", ".35em")
      .attr("text-anchor", "middle")
      .style("opacity", function(d) { d.w = this.getComputedTextLength(); return d.dx > d.w ? 1 : 0; })
	  .text(function(d) { return d.name });
	  
	   var temp_text = text.text();
	   text.text('');
	   var words = temp_text.split(' ');
	  
	  for (var i = 0; i < words.length; i++) {
		if (i == 0) {
			text.append('tspan').text(function(d) { return d.name.split(' ')[i]; } ).attr('x', function(d) { return (d.dx)/2; });
		} else {
			text.append('tspan').text(function(d) { 
				return d.name.split(' ')[i]; } 
			).attr('x', function(d) { return (d.dx ) / 2; }).attr('y', function(d) { return (d.dy/2 + (i * 25) ); });
		}
	  
	  }
...

Ah, thank you. Exactly what I was looking for!