site/node_modules/css-tree/lib/syntax/function/var.js

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2024-10-14 06:09:33 +00:00
import { Comma, WhiteSpace } from '../../tokenizer/index.js';
// var( <ident> , <value>? )
export default function() {
const children = this.createList();
this.skipSC();
// NOTE: Don't check more than a first argument is an ident, rest checks are for lexer
children.push(this.Identifier());
this.skipSC();
if (this.tokenType === Comma) {
children.push(this.Operator());
const startIndex = this.tokenIndex;
const value = this.parseCustomProperty
? this.Value(null)
: this.Raw(this.tokenIndex, this.consumeUntilExclamationMarkOrSemicolon, false);
if (value.type === 'Value' && value.children.isEmpty) {
for (let offset = startIndex - this.tokenIndex; offset <= 0; offset++) {
if (this.lookupType(offset) === WhiteSpace) {
value.children.appendData({
type: 'WhiteSpace',
loc: null,
value: ' '
});
break;
}
}
}
children.push(value);
}
return children;
};