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