Function detectPluginDirectories

src/utils/jetbrains.ts:85–132

(ideName: string)

// Find all actual plugin directories that exist
async function detectPluginDirectories(ideName: string): Promise<string[]> {
  const foundDirectories: string[] = []
  const fs = getFsImplementation()

  const pluginDirPaths = buildCommonPluginDirectoryPaths(ideName)
  const idePatterns = ideNameToDirMap[ideName.toLowerCase()]
  if (!idePatterns) {
    return foundDirectories
  }

  // Precompile once — idePatterns is invariant across baseDirs
  const regexes = idePatterns.map(p => new RegExp('^' + p))

  for (const baseDir of pluginDirPaths) {
    try {
      const entries = await fs.readdir(baseDir)
      for (const regex of regexes) {
        for (const entry of entries) {
          if (!regex.test(entry.name)) continue
          // Accept symlinks too — dirent.isDirectory() is false for symlinks,
          // but GNU stow users symlink their JetBrains config dirs. Downstream
          // fs.stat() calls will filter out symlinks that don't point to dirs.
          if (!entry.isDirectory() && !entry.isSymbolicLink()) continue
          const dir = join(baseDir, entry.name)
          // Linux is the only OS to not have a plugins directory
          if (platform() === 'linux') {
            foundDirectories.push(dir)
            continue
          }
          const pluginDir = join(dir, 'plugins')
          try {
            await fs.stat(pluginDir)
            foundDirectories.push(pluginDir)
          } catch {
            // Plugin directory doesn't exist, skip
          }
        }
      }
    } catch {
      // Ignore errors from stale IDE directories (ENOENT, EACCES, etc.)
      continue
    }
  }

  return foundDirectories.filter(
    (dir, index) => foundDirectories.indexOf(dir) === index,
  )
}

export async function isJetBrainsPluginInstalled(
  ideType: IdeType,