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Fix parent selector resolution. (#33)

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If a child selector list contained one complex selector with & and one
without, the latter's parent wouldn't be added automatically.

Closes #28
This commit is contained in:
Natalie Weizenbaum 2016-11-07 17:11:34 -08:00 committed by GitHub
parent d4f77cc674
commit c5508cac89
1 changed files with 18 additions and 19 deletions
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37
lib/src/ast/selector/list.dart
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@ -21,17 +21,8 @@ class SelectorList extends Selector {
final List<ComplexSelector> components;
/// Whether this contains a [ParentSelector].
bool get _containsParentSelector {
return components.any((complex) {
return complex.components.any((component) =>
component is CompoundSelector &&
component.components.any((simple) =>
simple is ParentSelector ||
(simple is PseudoSelector &&
simple.selector != null &&
simple.selector._containsParentSelector)));
});
}
bool get _containsParentSelector =>
components.any(_complexContainsParentSelector);
/// Returns a SassScript list that represents this selector.
///
@ -97,15 +88,13 @@ class SelectorList extends Selector {
'Top-level selectors may not contain the parent selector "&".');
}
if (!_containsParentSelector) {
return new SelectorList(parent.components.expand((parentComplex) {
return components.map((childComplex) => new ComplexSelector(
parentComplex.components.toList()..addAll(childComplex.components),
lineBreak: childComplex.lineBreak || parentComplex.lineBreak));
}));
}
return new SelectorList(flattenVertically(components.map((complex) {
if (!_complexContainsParentSelector(complex)) {
return parent.components.map((parentComplex) => new ComplexSelector(
parentComplex.components.toList()..addAll(complex.components),
lineBreak: complex.lineBreak || parentComplex.lineBreak));
}
var newComplexes = [<ComplexSelectorComponent>[]];
var lineBreaks = <bool>[false];
for (var component in complex.components) {
@ -144,6 +133,16 @@ class SelectorList extends Selector {
})));
}
/// Returns whether [complex] contains a [ParentSelector].
bool _complexContainsParentSelector(ComplexSelector complex) =>
complex.components.any((component) =>
component is CompoundSelector &&
component.components.any((simple) =>
simple is ParentSelector ||
(simple is PseudoSelector &&
simple.selector != null &&
simple.selector._containsParentSelector)));
/// Returns a new [CompoundSelector] based on [compound] with all
/// [ParentSelector]s replaced with [parent].
///