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@iyowei/fs-deep-walk

v1.0.0

Published

专注于深度扫描指定磁盘位置。

Downloads

2

Readme

@iyowei/fs-deep-walk

专注于深度扫描指定磁盘位置。

  • [x] 复用整个穷举,程序执行完成只发生一次穷举
  • [x] 内嵌仅搜索
  • [x] 编程式,匹配规则等,甚至可以请求远程接口,或者有需要的话可以自己实现功能最匹配需求但代码量最少的类似 “fast-glob”
  • [x] 轻量级场景优选

目录

fsDeepWalk({ from, worker })

  • from { String } 指定磁盘位置,必填
  • worker 处理器,如果扫描的同时需要更新、过滤操作可提供,一定程度复用穷举,可选,{ Function }
    • 返回 { Object | Boolean | Promise }
      • false 过滤掉当前扫描结果
      • true 保留当前扫描结果
      • 对象字面量,保留 / 更新当前扫描结果
      • 如果需要在处理器中需要安放些异步操作,如远程数据请求,可在处理器中返回一个 Promise,该 Promise 可返回,
        • false 过滤掉当前扫描结果
        • true 保留当前扫描结果
        • 对象字面量,保留 / 更新当前扫描结果
        • 其它类型则默认为没有任何处理
      • 其它类型则默认为没有任何处理
  • 返回: {Promise} 扫描到的文件夹、文件
    • files 文件扫描结果
    • dirs 文件夹扫描结果
import { log, time, timeEnd } from 'console';
import { fsDeepWalk } from @iyowei/fs-deep-walk;

(async () => {
  time('fsDeepWalk');

  const asyncrslt = await fsDeepWalk({
    from: process.cwd(),
    worker: (cur) => {
      const excludes = ['.git', 'node_modules'];

      if (cur.dirent.isDirectory() && excludes.includes(cur.dirent.name)) {
        return false;
      }

      return true;
    },
  });

  timeEnd('fsDeepWalk');

  log(asyncrslt);
})();

fsDeepWalkSync({ from, worker })

  • from { String } 指定磁盘位置,必填
  • worker 处理器,如果扫描的同时需要更新、过滤操作可提供,一定程度复用穷举,可选,{ Function }
    • 返回 { Object | Boolean | Promise }
      • false 过滤掉当前扫描结果
      • true 保留当前扫描结果
      • 对象字面量,保留 / 更新当前扫描结果
      • 如果需要在处理器中需要安放些异步操作,如远程数据请求,可在处理器中返回一个 Promise,该 Promise 可返回,
        • false 过滤掉当前扫描结果
        • true 保留当前扫描结果
        • 对象字面量,保留 / 更新当前扫描结果
        • 其它类型则默认为没有任何处理
      • 其它类型则默认为没有任何处理
  • 返回: {Promise} 扫描到的文件夹、文件
    • files 文件扫描结果
    • dirs 文件夹扫描结果
import { log, time, timeEnd } from 'console';
import { fsDeepWalkSync } from @iyowei/fs-deep-walk;

time('fsDeepWalkSync');

const syncrslt = fsDeepWalkSync({
  from: process.cwd(),
  worker: (cur) => {
    const excludeDirs = ['.git', 'node_modules'];

    if (cur.dirent.isDirectory() && excludeDirs.includes(cur.dirent.name)) {
      return false;
    }

    return true;
  },
});

timeEnd('fsDeepWalkSync');

log(syncrslt);

安装

Node Version Badge esm

NPM

npm add @iyowei/fs-deep-walk

PNPM

pnpm add @iyowei/fs-deep-walk

Yarn

yarn add @iyowei/fs-deep-walk

为什么不使用 glob?

"@iyowei/fs-deep-walk" 面对的场景与 "fast-glob" 一类非常相似。后者非常棒,只是各自适应不同的场景,对比 "@iyowei/fs-deep-walk" 的设定就会产生如下差异,

  • 无法复用穷举
  • 内嵌 “搜索 + 匹配”,复杂的实现势必增加体积、性能损耗
  • 配置式,(glob)匹配规则等
  • 重量级场景优选

总的来说,"fast-glob" 一类与 "@iyowei/fs-deep-walk" 的区别类似 Grunt 与 Gulp 的区别。

参与贡献

PRs Welcome

其它

"@iyowei/fs-deep-walk" 使用 @iyowei/create-esm 脚手架生成。