26 lines
791 B
JavaScript
26 lines
791 B
JavaScript
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export function containsRetainingPath (snapshot, retainingPath, options) {
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let root = snapshot.filter(
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(node) => node.name === retainingPath[0] && node.type !== 'string');
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for (let i = 1; i < retainingPath.length; i++) {
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const needle = retainingPath[i];
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const newRoot = [];
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for (const node of root) {
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for (let j = 0; j < node.outgoingEdges.length; j++) {
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const child = node.outgoingEdges[j].to;
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if (child.type === 'string') continue;
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if (child.name === needle) {
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newRoot.push(child);
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}
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}
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}
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if (!newRoot.length) {
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console.log(`No retaining path found for ${needle}`);
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return false;
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}
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root = newRoot;
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}
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return options?.occurrances
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? root.length === options.occurrances
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: true;
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}
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