var Node = require(“./node”);

var Attribute = function (key, op, value) {

this.key = key;
this.op = op;
this.value = value;

}; Attribute.prototype = new Node(); Attribute.prototype.type = “Attribute”; Attribute.prototype.eval = function (context) {

return new Attribute(this.key.eval ? this.key.eval(context) : this.key,
    this.op, (this.value && this.value.eval) ? this.value.eval(context) : this.value);

}; Attribute.prototype.genCSS = function (context, output) {

output.add(this.toCSS(context));

}; Attribute.prototype.toCSS = function (context) {

var value = this.key.toCSS ? this.key.toCSS(context) : this.key;

if (this.op) {
    value += this.op;
    value += (this.value.toCSS ? this.value.toCSS(context) : this.value);
}

return '[' + value + ']';

}; module.exports = Attribute;