Nth.js•943 B
import { Ident } from '../../tokenizer/index.js';
export const name = 'Nth';
export const structure = {
nth: ['AnPlusB', 'Identifier'],
selector: ['SelectorList', null]
};
export function parse() {
this.skipSC();
const start = this.tokenStart;
let end = start;
let selector = null;
let nth;
if (this.lookupValue(0, 'odd') || this.lookupValue(0, 'even')) {
nth = this.Identifier();
} else {
nth = this.AnPlusB();
}
end = this.tokenStart;
this.skipSC();
if (this.lookupValue(0, 'of')) {
this.next();
selector = this.SelectorList();
end = this.tokenStart;
}
return {
type: 'Nth',
loc: this.getLocation(start, end),
nth,
selector
};
}
export function generate(node) {
this.node(node.nth);
if (node.selector !== null) {
this.token(Ident, 'of');
this.node(node.selector);
}
}