Function writeJsonResult

packages/plugins/mcp/src/sdk/codex-repl.ts:51–58

(body: readonly string[], expression: string)

 * well-formed JSON body rather than an empty string.
 */
export const writeJsonResult = (body: readonly string[], expression: string): string =>
  [
    "await (async () => {",
    ...body.map((line) => `  ${line}`),
    `  const result = ${expression};`,
    "  nodeRepl.write(JSON.stringify(result ?? null));",
    "})();",
  ].join("\n");