MediaQuery.js•1.11 kB
import {
WhiteSpace,
Comment,
Ident,
LeftParenthesis
} from '../../tokenizer/index.js';
export const name = 'MediaQuery';
export const structure = {
children: [[
'Identifier',
'MediaFeature',
'WhiteSpace'
]]
};
export function parse() {
const children = this.createList();
let child = null;
this.skipSC();
scan:
while (!this.eof) {
switch (this.tokenType) {
case Comment:
case WhiteSpace:
this.next();
continue;
case Ident:
child = this.Identifier();
break;
case LeftParenthesis:
child = this.MediaFeature();
break;
default:
break scan;
}
children.push(child);
}
if (child === null) {
this.error('Identifier or parenthesis is expected');
}
return {
type: 'MediaQuery',
loc: this.getLocationFromList(children),
children
};
}
export function generate(node) {
this.children(node);
}