Function loadKeystoreFile

yarn-project/node-keystore/src/loader.ts:40–63

(filePath: string)

 * @throws KeyStoreLoadError When JSON is invalid, schema validation fails, or other IO/parse errors occur.
 */
export function loadKeystoreFile(filePath: string): KeyStore {
  try {
    const content = readFileSync(filePath, 'utf-8');

    // Parse JSON and validate with Zod schema (following Aztec patterns)
    return keystoreSchema.parse(JSON.parse(content));
  } catch (error) {
    if (error instanceof SyntaxError) {
      throw new KeyStoreLoadError('Invalid JSON format', filePath, error);
    }
    if (error && typeof error === 'object' && 'issues' in error) {
      const issues = (error as any).issues ?? [];
      const message =
        issues
          .map((e: any) => {
            const path = Array.isArray(e.path) ? e.path.join('.') : String(e.path ?? 'root');
            return `${e.message} (${path})`;
          })
          .join('. ') || 'Schema validation error';
      throw new KeyStoreLoadError(`Schema validation failed: ${message}`, filePath, error as unknown as Error);
    }
    throw new KeyStoreLoadError(`Unexpected error: ${String(error)}`, filePath, error as Error);
  }
}

/**
 * Loads keystore files from a directory (only .json files).