Method sync

packages/cli/src/file-syncer.ts:26–62

(
    sourceDir: string,
    targetDir: string,
    options?: SyncOptions,
  )

export class FileSyncer {
  async sync(
    sourceDir: string,
    targetDir: string,
    options?: SyncOptions,
  ): Promise<SyncResult> {
    const result: SyncResult = {
      updated: [],
      skipped: [],
      created: [],
      deleted: [],
      sourceFiles: [],
      errors: [],
    }

    // Ensure directories exist
    if (!fs.existsSync(sourceDir)) {
      throw new Error(`Source directory does not exist: ${sourceDir}`)
    }
    if (!fs.existsSync(targetDir)) {
      throw new Error(`Target directory does not exist: ${targetDir}`)
    }

    // Walk through source directory and sync files
    await this.syncDirectory(sourceDir, targetDir, sourceDir, result)

    if (options?.deleteRemoved && options.previousSourceFiles) {
      const currentSourceFileSet = new Set(result.sourceFiles)
      await this.deleteRemovedFiles(
        targetDir,
        options.previousSourceFiles,
        currentSourceFileSet,
        result,
      )
    }

    return result
  }

  private async syncDirectory(
    currentPath: string,