Function invokeHook

packages/opencode-atomic-hooks/src/cli.ts:60–103

(
  $: Shell,
  verb: HookVerb,
  payload: HookPayload,
  directory: string,
)

 * @returns A `HookResult` describing the outcome (never throws)
 */
export async function invokeHook(
  $: Shell,
  verb: HookVerb,
  payload: HookPayload,
  directory: string,
): Promise<HookResult> {
  const start = performance.now();
  const json = JSON.stringify(payload);

  try {
    const result =
      await $`echo ${json} | ${ATOMIC_CMD} agent hooks opencode ${verb}`
        .cwd(directory)
        .quiet()
        .nothrow();

    const duration = Math.round(performance.now() - start);
    const ok = result.exitCode === 0;
    const stderr = result.stderr.toString().trim();
    const stdout = result.stdout.toString().trim();

    if (!ok) {
      return {
        ok: false,
        verb,
        exitCode: result.exitCode,
        error: stderr || `exit code ${result.exitCode}`,
        duration,
      };
    }

    return { ok: true, verb, exitCode: 0, duration, stderr, stdout };
  } catch (err) {
    const duration = Math.round(performance.now() - start);
    const message = err instanceof Error ? err.message : String(err);

    return {
      ok: false,
      verb,
      error: message,
      duration,
    };
  }
}

// =============================================================================
// Availability Check