19 lines
665 B
JavaScript
19 lines
665 B
JavaScript
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/**
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* Takes a branch created by our path-tree, and if it has only a single directory as descendent and no files, compacts it down to its terminal folder (the first descendent folder with either files or branching directories)
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* Uses tail recursion
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* @param {import("./path-tree").NestedPathTreeNode} branch
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* @returns
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*/
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export default function compactPath(branch, name = '') {
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let { children, files } = branch;
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if (children && Object.keys(children).length === 1 && !files.length) {
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const [key] = Object.keys(children);
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const child = children[key];
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return compactPath(child, `${name}/${key}`);
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}
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return {
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name,
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data: branch,
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};
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}
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