47 lines
1008 B
JavaScript
47 lines
1008 B
JavaScript
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const fs = require('fs-extra');
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const path = require('path');
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const CODE_FOLDER_REGEX = /^\d{3}$/;
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const MAX_SCAN_DEPTH = 6;
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async function buildDestinationIndex(destinationRoot) {
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const index = new Map();
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if (!destinationRoot || !(await fs.pathExists(destinationRoot))) {
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return index;
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}
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async function walk(currentDir, depth) {
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if (depth > MAX_SCAN_DEPTH) {
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return;
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}
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let entries;
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try {
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entries = await fs.readdir(currentDir, { withFileTypes: true });
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} catch {
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return;
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}
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for (const entry of entries) {
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if (!entry.isDirectory()) {
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continue;
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}
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const fullPath = path.join(currentDir, entry.name);
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if (CODE_FOLDER_REGEX.test(entry.name)) {
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const rows = index.get(entry.name) || [];
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rows.push(fullPath);
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index.set(entry.name, rows);
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}
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await walk(fullPath, depth + 1);
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}
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}
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await walk(destinationRoot, 0);
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return index;
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}
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module.exports = { buildDestinationIndex };
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