43 lines
1.2 KiB
JavaScript
43 lines
1.2 KiB
JavaScript
|
var List = require('../../utils/list.js');
|
||
|
var walkRulesRight = require('../../utils/walk.js').rulesRight;
|
||
|
|
||
|
function processRuleset(node, item, list) {
|
||
|
var selectors = node.selector.selectors;
|
||
|
|
||
|
// generate new rule sets:
|
||
|
// .a, .b { color: red; }
|
||
|
// ->
|
||
|
// .a { color: red; }
|
||
|
// .b { color: red; }
|
||
|
|
||
|
// while there are more than 1 simple selector split for rulesets
|
||
|
while (selectors.head !== selectors.tail) {
|
||
|
var newSelectors = new List();
|
||
|
newSelectors.insert(selectors.remove(selectors.head));
|
||
|
|
||
|
list.insert(list.createItem({
|
||
|
type: 'Ruleset',
|
||
|
info: node.info,
|
||
|
pseudoSignature: node.pseudoSignature,
|
||
|
selector: {
|
||
|
type: 'Selector',
|
||
|
info: node.selector.info,
|
||
|
selectors: newSelectors
|
||
|
},
|
||
|
block: {
|
||
|
type: 'Block',
|
||
|
info: node.block.info,
|
||
|
declarations: node.block.declarations.copy()
|
||
|
}
|
||
|
}), item);
|
||
|
}
|
||
|
};
|
||
|
|
||
|
module.exports = function disjoinRuleset(ast) {
|
||
|
walkRulesRight(ast, function(node, item, list) {
|
||
|
if (node.type === 'Ruleset') {
|
||
|
processRuleset(node, item, list);
|
||
|
}
|
||
|
});
|
||
|
};
|