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🐛 do not throw when :is/:any/:matches do not contain children #14

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Merged
bramus merged 2 commits into from
Dec 30, 2022
Merged

🐛 do not throw when :is/:any/:matches do not contain children #14

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f23ae6e
🐛 do not throw when :is/:any/:matches do not contain children
Dec 28, 2022
ba2cbd1
prettier
Dec 30, 2022
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14 changes: 8 additions & 6 deletions src/core/calculate.js
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Original file line number Diff line number Diff line change
Expand Up @@ -36,13 +36,15 @@ const calculateSpecificityOfSelectorObject = (selectorObj) => {
case 'any':
case 'not':
case 'has':
// Calculate Specificity from nested SelectorList
const max1 = max(...calculate(child.children.first));
if (child.children) {
// Calculate Specificity from nested SelectorList
const max1 = max(...calculate(child.children.first));

// Adjust orig specificity
specificity.a += max1.a;
specificity.b += max1.b;
specificity.c += max1.c;
// Adjust orig specificity
specificity.a += max1.a;
specificity.b += max1.b;
specificity.c += max1.c;
}

break;

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15 changes: 15 additions & 0 deletions test/index.js
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Expand Up @@ -141,6 +141,21 @@ describe('CALCULATE', () => {
});
});

describe('CSS empty :is, :matches, :any, :where = (0,0,0)', () => {
it(':is = (0,0,0)', () => {
deepEqual(Specificity.calculate(':is')[0].toObject(), { a: 0, b: 0, c: 0 });
});
it(':matches = (0,0,0)', () => {
deepEqual(Specificity.calculate(':matches')[0].toObject(), { a: 0, b: 0, c: 0 });
});
it(':any = (0,0,0)', () => {
deepEqual(Specificity.calculate(':any')[0].toObject(), { a: 0, b: 0, c: 0 });
});
it(':where = (0,0,0)', () => {
deepEqual(Specificity.calculate(':where')[0].toObject(), { a: 0, b: 0, c: 0 });
});
});

describe('CSS :has() = Specificity of the most specific complex selector in its selector list argument', () => {
it(':has(#foo, .bar, baz) = (1,0,0)', () => {
deepEqual(Specificity.calculate(':has(#foo, .bar, baz)')[0].toObject(), { a: 1, b: 0, c: 0 });
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