node_modules.less.lib.less.tree.extend.js Maven / Gradle / Ivy
var Node = require("./node");
var Extend = function Extend(selector, option, index) {
this.selector = selector;
this.option = option;
this.index = index;
this.object_id = Extend.next_id++;
this.parent_ids = [this.object_id];
switch(option) {
case "all":
this.allowBefore = true;
this.allowAfter = true;
break;
default:
this.allowBefore = false;
this.allowAfter = false;
break;
}
};
Extend.next_id = 0;
Extend.prototype = new Node();
Extend.prototype.type = "Extend";
Extend.prototype.accept = function (visitor) {
this.selector = visitor.visit(this.selector);
};
Extend.prototype.eval = function (context) {
return new Extend(this.selector.eval(context), this.option, this.index);
};
Extend.prototype.clone = function (context) {
return new Extend(this.selector, this.option, this.index);
};
Extend.prototype.findSelfSelectors = function (selectors) {
var selfElements = [],
i,
selectorElements;
for (i = 0; i < selectors.length; i++) {
selectorElements = selectors[i].elements;
// duplicate the logic in genCSS function inside the selector node.
// future TODO - move both logics into the selector joiner visitor
if (i > 0 && selectorElements.length && selectorElements[0].combinator.value === "") {
selectorElements[0].combinator.value = ' ';
}
selfElements = selfElements.concat(selectors[i].elements);
}
this.selfSelectors = [{ elements: selfElements }];
};
module.exports = Extend;