Function transition_attr

external/.d3.js:4502–4508

(name, value)

}

function transition_attr(name, value) {
  var fullname = namespace(name), i = fullname === "transform" ? interpolateTransformSvg : interpolate$1;
  return this.attrTween(name, typeof value === "function"
      ? (fullname.local ? attrFunctionNS : attrFunction)(fullname, i, tweenValue(this, "attr." + name, value))
      : value == null ? (fullname.local ? attrRemoveNS : attrRemove)(fullname)
      : (fullname.local ? attrConstantNS : attrConstant)(fullname, i, value));
}

function attrInterpolate(name, i) {
  return function(t) {