Function detectVSCodeTheme

cli/src/utils/theme-system.ts:433–469

(
  env: CliEnv = getCliEnv(),
)

}

const detectVSCodeTheme = (
  env: CliEnv = getCliEnv(),
): ThemeName | null => {
  if (!isVSCodeFamilyTerminal(env)) {
    return null
  }

  const settingsPaths = collectExistingPaths(resolveVSCodeSettingsPaths(env))

  for (const settingsPath of settingsPaths) {
    const content = safeReadFile(settingsPath)
    if (!content) continue
    const theme = extractVSCodeTheme(content)
    if (theme) {
      return theme
    }

    // If extractVSCodeTheme returned null but auto-detect is enabled,
    // use platform theme as fallback
    const autoDetectMatch = content.match(
      /"window\.autoDetectColorScheme"\s*:\s*(true|false)/i,
    )
    if (autoDetectMatch?.[1]?.toLowerCase() === 'true') {
      return detectPlatformTheme()
    }
  }

  const themeKindEnv =
    env.VSCODE_THEME_KIND ?? env.VSCODE_COLOR_THEME_KIND
  if (themeKindEnv) {
    const normalized = themeKindEnv.trim().toLowerCase()
    if (normalized === 'dark' || normalized === 'hc') return 'dark'
    if (normalized === 'light') return 'light'
  }

  return null
}

const detectJetBrainsTheme = (
  env: CliEnv = getCliEnv(),