Function getHappyCliCommand

cli/src/utils/spawnHappyCLI.ts:95–134

(args: string[])

}

export function getHappyCliCommand(args: string[]): HappyCliCommand {
  // Compiled binary mode: just use the executable directly
  if (isBunCompiled()) {
    return {
      command: resolveHappyCliExecutable(),
      args
    };
  }

  // Development mode: spawn with TypeScript entrypoint
  const projectRoot = projectPath();
  const entrypoint = resolveEntrypoint(projectRoot);
  const isBunRuntime = Boolean((process.versions as Record<string, string | undefined>).bun);

  if (isBunRuntime) {
    // Bun can run TypeScript directly.
    // Force Bun's cwd to the CLI project root so alias resolution via bunfig.toml
    // keeps working even when external tools launch HAPI from another workspace.
    return {
      command: process.execPath,
      args: ['--cwd', projectRoot, entrypoint, ...args]
    };
  }

  // When vitest runs under Node.js, HAPI_BUN_EXEC can point to the bun binary so that
  // spawned CLI child processes still run under bun (which is required for TypeScript entrypoints).
  const bunExecOverride = process.env['HAPI_BUN_EXEC']?.trim();
  if (bunExecOverride && isCrossPlatformAbsolutePath(bunExecOverride) && existsSync(bunExecOverride)) {
    return {
      command: bunExecOverride,
      args: ['--cwd', projectRoot, entrypoint, ...args]
    };
  }

  // Node.js fallback: preserve execArgv (for compatibility)
  return {
    command: process.execPath,
    args: [...process.execArgv, entrypoint, ...args]
  };
}

export function spawnHappyCLI(args: string[], options: SpawnOptions = {}): ChildProcess {