export function parseToolCallArguments()

in codex-cli/src/utils/parsers.ts [68:102]

• 29 lines of code
• 9 McCabe index (conditional complexity)

export function parseToolCallArguments(
  toolCallArguments: string,
): ExecInput | undefined {
  let json: unknown;
  try {
    json = JSON.parse(toolCallArguments);
  } catch (err) {
    log(`Failed to parse toolCall.arguments: ${toolCallArguments}`);
    return undefined;
  }

  if (typeof json !== "object" || json == null) {
    return undefined;
  }

  const { cmd, command } = json as Record<string, unknown>;
  // The OpenAI model sometimes produces a single string instead of an array.
  // Accept both shapes:
  const commandArray =
    toStringArray(cmd) ??
    toStringArray(command) ??
    (typeof cmd === "string" ? [cmd] : undefined) ??
    (typeof command === "string" ? [command] : undefined);
  if (commandArray == null) {
    return undefined;
  }

  // @ts-expect-error timeout and workdir may not exist on json.
  const { timeout, workdir } = json;
  return {
    cmd: commandArray,
    workdir: typeof workdir === "string" ? workdir : undefined,
    timeoutInMillis: typeof timeout === "number" ? timeout : undefined,
  };
}