Fit a rectangle around text

_.md

[ Launch: just another inlet to tributary ] 4572769 by biovisualize

config.json

{"description":"Fit a rectangle around text","endpoint":"","display":"svg","public":true,"require":[],"fileconfigs":{"inlet.js":{"default":true,"vim":false,"emacs":false,"fontSize":12},"_.md":{"default":true,"vim":false,"emacs":false,"fontSize":12},"config.json":{"default":true,"vim":false,"emacs":false,"fontSize":12}},"tab":"edit","display_percent":0.7,"play":false,"loop":false,"restart":false,"autoinit":true,"pause":true,"loop_type":"period","bv":false,"nclones":15,"clone_opacity":0.4,"duration":3000,"ease":"linear","dt":0.01,"hidepanel":false}

inlet.js

var svg = d3.select("svg");

var group = svg.append("g")
	.attr("transform", "translate(100,100)");

var rect = group.append("rect")
	.style("fill", "skyblue");
  
var text = group.append("text")
	.attr("dy", "1em")
	.style("fill", "black")
	.text("testssss");

var textSize = text.node().getBBox();

rect.attr("width", textSize.width)
	.attr("height", textSize.height);