Function walk

packages/vite/hmr/server/websocket.ts:2368–2396

(dir: string)

			pathMod = await import('path');
		}
		async function walk(dir: string) {
			for (const name of fs.readdirSync(dir)) {
				const full = pathMod.join(dir, name);
				if (name === 'node_modules' || name.startsWith('.')) continue;
				try {
					const stat = fs.statSync(full);
					if (stat.isDirectory()) await walk(full);
					else if (stat.isFile()) {
						if (/\.(vue|ts|js|mjs|tsx|jsx)$/.test(name)) {
							const rel = '/' + pathMod.relative(root, full).split(pathMod.sep).join('/');
							// Transform via Vite to gather deps (ignore failures)
							try {
								const transformed = await server.transformRequest(rel);
								const code = transformed?.code || '';
								const deps: string[] = [];
								// fallback to import relationships via moduleGraph
								const modNode = server.moduleGraph.getModuleById(full) || server.moduleGraph.getModuleById(rel);
								if (modNode) {
									for (const m of modNode.importedModules) {
										if (m.id) deps.push(m.id.split('?')[0]);
									}
								}
								upsertGraphModule(rel, code, deps);
							} catch {}
						}
					}
				} catch {}
			}
		}
		try {
			await walk(pathMod.join(root, 'src'));
		} catch {}