#!/usr/bin/env python
# Copyright 2026 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

from os import path as os_path
import platform
import subprocess
import sys
import os


def GetBinaryPath():
  if platform.machine() == 'arm64':
    darwin_path = 'mac-arm64'
  else:
    darwin_path = 'mac-amd64'

  return os_path.normpath(os_path.join(os_path.dirname(__file__), *{
    'Darwin': (darwin_path, 'src', 'lib', 'tsc'),
    'Linux': ('linux-amd64', 'src', 'lib', 'tsc'),
    'Windows': ('windows-amd64', 'src', 'lib', 'tsc.exe'),
  }[platform.system()]))


def RunTypeScriptRaw(cmd_parts, stdout=None):
  cmd = [GetBinaryPath()] + cmd_parts
  process = subprocess.Popen(
      cmd, cwd=os.getcwd(), stdout=subprocess.PIPE, stderr=subprocess.PIPE,
      universal_newlines=True, encoding='utf-8')
  stdout, stderr = process.communicate()
  return process.returncode, stdout, stderr


def RunTypeScript(cmd_parts, stdout=None):
  # Force pretty output.
  if '--pretty' not in cmd_parts:
    cmd_parts = cmd_parts + ['--pretty']

  code, stdout, stderr = RunTypeScriptRaw(cmd_parts, stdout)
  if code != 0:
    errs = []
    if len(stderr) > 0:
      errs.append("stderr:\n" + stderr)
    if len(stdout) > 0:
      # Handle cases where stderr is empty, even though the command failed, for
      # example https://github.com/microsoft/TypeScript/issues/615
      errs.append("stdout:\n" + stdout)
    errs.append("exit=%d" % code)
    cmd = [GetBinaryPath()] + cmd_parts
    raise RuntimeError('Command \'%s\' failed\n%s' % (
        ' '.join(cmd), '\n'.join(errs)))
  return stdout


if __name__ == '__main__':
  RunTypeScript(sys.argv[1:])