Function expand

src/mcp/manager.ts:21–26

(s: string)

export function expandEnvRefs(config: MCPServerConfig, serverName: string): MCPServerConfig {
  const missing = new Set<string>();
  const expand = (s: string): string =>
    s.replace(/\$\{([A-Za-z_][A-Za-z0-9_]*)\}/g, (_m, varName: string) => {
      const v = process.env[varName];
      if (v === undefined || v === '') { missing.add(varName); return ''; }
      return v;
    });

  const out: MCPServerConfig = { ...config };