13 lines
263 B
JavaScript
13 lines
263 B
JavaScript
function count(node) {
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var sum = 0,
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children = node.children,
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i = children && children.length;
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if (!i) sum = 1;
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else while (--i >= 0) sum += children[i].value;
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node.value = sum;
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}
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export default function() {
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return this.eachAfter(count);
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}
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