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node-test's Introduction

node api

  • __filename: 返回正在执行脚本文件的绝对路径

  • __dirname: 返回正在执行脚本所在目录

  • timer 类函数: 执行顺序与事件循环间的关系

  • process: 提供与当前进程互动的接口

  • require: 实现模块的加载，使用 ts,可以使用 ESM 模块

  • module、exports: 模块导出

  • basename() 获取路径中基础名称

  • dirname()

  • extname() 获取路径中扩展名称

  • isAbsolute() 获取路径是否为绝对路径

  • join() 拼接多个路径片段，返回可用的完整路径

  • resolve() 返回绝对路径

  • parse() 解析路径

  • format() 序列化路径

  • normalize() 规范化路径

Buffer 实例方法

  • fill 使用数据填充 buffer
  • write 向 buffer 中写入数据
  • toString 从 buffer 中提取数据
  • slice 截取 buffer
  • indexOf 在 buffer 中查找数据
  • copy 拷贝 buffer 中的数据

文件操作 Api

  • readFile 从指定文件中读取数据
  • writeFile 向指定文件中写入数据
  • appendFile 追加的方式向指定文件中写入数据
  • copyFile 将某个文件中的数据拷贝至另一文件
  • watchFile 对指定文件进行监控

常见目录操作 Api

  • access 判断文件或目录是否具有操作权限
  • stat 获取目录及文件信息
  • mkdir 创建目录
  • rmdir 删除目录
  • readdir 读取目录中内容
  • unlink 删除指定文件

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