shift73k/assets_old/node_modules/css-tree/lib/syntax/node/MediaQuery.js

69 lines
1.6 KiB
JavaScript
Raw Normal View History

var TYPE = require('../../tokenizer').TYPE;
var WHITESPACE = TYPE.WhiteSpace;
var COMMENT = TYPE.Comment;
var IDENT = TYPE.Ident;
var LEFTPARENTHESIS = TYPE.LeftParenthesis;
module.exports = {
name: 'MediaQuery',
structure: {
children: [[
'Identifier',
'MediaFeature',
'WhiteSpace'
]]
},
parse: function() {
this.scanner.skipSC();
var children = this.createList();
var child = null;
var space = null;
scan:
while (!this.scanner.eof) {
switch (this.scanner.tokenType) {
case COMMENT:
this.scanner.next();
continue;
case WHITESPACE:
space = this.WhiteSpace();
continue;
case IDENT:
child = this.Identifier();
break;
case LEFTPARENTHESIS:
child = this.MediaFeature();
break;
default:
break scan;
}
if (space !== null) {
children.push(space);
space = null;
}
children.push(child);
}
if (child === null) {
this.error('Identifier or parenthesis is expected');
}
return {
type: 'MediaQuery',
loc: this.getLocationFromList(children),
children: children
};
},
generate: function(node) {
this.children(node);
}
};