@ephemeras/utils v2.3.2

• 确认路径是否存在 ensureExists
• 创建文件 createFile
• 创建文件夹 ensureExists(folderPath, 'folder')

• 复制文件或文件夹 copy

• isExist 判断 access constants.F_OK; code ?== 'ENOENT'

• isReadable 判断 access constants.R_OK; code ?== 'EACESS' || 'EXDEV'
• isWriteable 判断 access constants.W_OK;

fs 需要全局安装 prettier

chmod(7) 7 read, write, and execute 6 read and write 5 read and execute 4 read only 3 write and execute 2 write only 1 execute only 0 no permission

• 普通移动：rename
• filter 不为空, 递归判断: renameRecursively

copy

• all src 总共有多少项需要操作 done + undo = all
• done src 操作了哪些项
• undo src 哪些项没有操作
• modify dest 目标文件夹变动了哪些项
• delete src 减少了哪些项