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Fix a small scope issue with mixins when using parent selectors, introduced in 1.6.2. Fixes #1877

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Luke Page
2014-02-21 11:22:42 +00:00
parent bf9c59025b
commit 7c90acaae6
5 changed files with 60 additions and 14 deletions
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33
lib/less/tree/ruleset.js
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@@ -111,20 +111,25 @@ tree.Ruleset.prototype = {
rule = rsRules[i];
if (! (rule instanceof tree.mixin.Definition || rule instanceof tree.DetachedRuleset)) {
rsRules[i] = rule = rule.eval ? rule.eval(env) : rule;
// for rulesets, check if it is a css guard and can be removed
if (rule instanceof tree.Ruleset && rule.selectors && rule.selectors.length === 1) {
// check if it can be folded in (e.g. & where)
if (rule.selectors[0].isJustParentSelector()) {
rsRules.splice(i--, 1);
// cannot call if there is no selector, so we can just continue
if (!rule.selectors[0].evaldCondition) {
continue;
}
for(var j = 0; j < rule.rules.length; j++) {
subRule = rule.rules[j];
if (!(subRule instanceof tree.Rule) || !subRule.variable) {
rsRules.splice(++i, 0, subRule);
}
}
}
// Evaluate everything else
for (i = 0; i < rsRules.length; i++) {
rule = rsRules[i];
// for rulesets, check if it is a css guard and can be removed
if (rule instanceof tree.Ruleset && rule.selectors && rule.selectors.length === 1) {
// check if it can be folded in (e.g. & where)
if (rule.selectors[0].isJustParentSelector()) {
rsRules.splice(i--, 1);
// cannot call if there is no selector, so we can just continue
if (!rule.selectors[0].evaldCondition) {
continue;
}
for(var j = 0; j < rule.rules.length; j++) {
subRule = rule.rules[j];
if (!(subRule instanceof tree.Rule) || !subRule.variable) {
rsRules.splice(++i, 0, subRule);
}
}
}