aaac7fed
 liuqimichale
add
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var specificity = require('./specificity');
function specificitiesOverlap(selector1, selector2, cache) {
var specificity1;
var specificity2;
var i, l;
var j, m;
for (i = 0, l = selector1.length; i < l; i++) {
specificity1 = findSpecificity(selector1[i][1], cache);
for (j = 0, m = selector2.length; j < m; j++) {
specificity2 = findSpecificity(selector2[j][1], cache);
if (specificity1[0] === specificity2[0] && specificity1[1] === specificity2[1] && specificity1[2] === specificity2[2]) {
return true;
}
}
}
return false;
}
function findSpecificity(selector, cache) {
var value;
if (!(selector in cache)) {
cache[selector] = value = specificity(selector);
}
return value || cache[selector];
}
module.exports = specificitiesOverlap;
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