saveCacheToDisk() — mcp Function Reference

Architecture documentation for the saveCacheToDisk() function in graph-cache.ts from the mcp codebase.

Function typescript GraphCache Persistence calls 1 called by 1

Entity Profile

GraphCache→ Persistence→ saveCacheToDisk() — mcp Function Reference

Dependency Diagram

graph TD
  e3133d6c_87dc_b74a_abf7_6097334e0493["saveCacheToDisk()"]
  9003922a_3c12_9d09_182b_1d8c2e1893be["precacheForDirectory()"]
  9003922a_3c12_9d09_182b_1d8c2e1893be -->|calls| e3133d6c_87dc_b74a_abf7_6097334e0493
  82fac0c2_5c5b_e41e_ab86_c3cdc89a84c7["sanitizeFileName()"]
  e3133d6c_87dc_b74a_abf7_6097334e0493 -->|calls| 82fac0c2_5c5b_e41e_ab86_c3cdc89a84c7
  style e3133d6c_87dc_b74a_abf7_6097334e0493 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

src/cache/graph-cache.ts lines 371–392

export async function saveCacheToDisk(
  cacheDir: string,
  repoName: string,
  raw: SupermodelIR,
  commitHash?: string
): Promise<string> {
  await fs.mkdir(cacheDir, { recursive: true });

  const fileName = `${sanitizeFileName(repoName)}.json`;
  const filePath = join(cacheDir, fileName);

  const payload = {
    version: 1,
    repoName,
    commitHash: commitHash || null,
    savedAt: new Date().toISOString(),
    raw,
  };

  await fs.writeFile(filePath, JSON.stringify(payload));
  return filePath;
}