\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5�\D6?\BD�\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2� \00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4�\E9\F2�\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// File Manager

File Manager

Path: /opt/alt/alt-nodejs18/root/lib/node_modules/npm/node_modules.bundled/which/lib/

Viewing File: index.js

const { isexe, sync: isexeSync } = require('isexe')
const { join, delimiter, sep, posix } = require('path')

const isWindows = process.platform === 'win32'

// used to check for slashed in commands passed in. always checks for the posix
// seperator on all platforms, and checks for the current separator when not on
// a posix platform. don't use the isWindows check for this since that is mocked
// in tests but we still need the code to actually work when called. that is also
// why it is ignored from coverage.
/* istanbul ignore next */
const rSlash = new RegExp(`[${posix.sep}${sep === posix.sep ? '' : sep}]`.replace(/(\\)/g, '\\$1'))
const rRel = new RegExp(`^\\.${rSlash.source}`)

const getNotFoundError = (cmd) =>
  Object.assign(new Error(`not found: ${cmd}`), { code: 'ENOENT' })

const getPathInfo = (cmd, {
  path: optPath = process.env.PATH,
  pathExt: optPathExt = process.env.PATHEXT,
  delimiter: optDelimiter = delimiter,
}) => {
  // If it has a slash, then we don't bother searching the pathenv.
  // just check the file itself, and that's it.
  const pathEnv = cmd.match(rSlash) ? [''] : [
    // windows always checks the cwd first
    ...(isWindows ? [process.cwd()] : []),
    ...(optPath || /* istanbul ignore next: very unusual */ '').split(optDelimiter),
  ]

  if (isWindows) {
    const pathExtExe = optPathExt ||
      ['.EXE', '.CMD', '.BAT', '.COM'].join(optDelimiter)
    const pathExt = pathExtExe.split(optDelimiter).flatMap((item) => [item, item.toLowerCase()])
    if (cmd.includes('.') && pathExt[0] !== '') {
      pathExt.unshift('')
    }
    return { pathEnv, pathExt, pathExtExe }
  }

  return { pathEnv, pathExt: [''] }
}

const getPathPart = (raw, cmd) => {
  const pathPart = /^".*"$/.test(raw) ? raw.slice(1, -1) : raw
  const prefix = !pathPart && rRel.test(cmd) ? cmd.slice(0, 2) : ''
  return prefix + join(pathPart, cmd)
}

const which = async (cmd, opt = {}) => {
  const { pathEnv, pathExt, pathExtExe } = getPathInfo(cmd, opt)
  const found = []

  for (const envPart of pathEnv) {
    const p = getPathPart(envPart, cmd)

    for (const ext of pathExt) {
      const withExt = p + ext
      const is = await isexe(withExt, { pathExt: pathExtExe, ignoreErrors: true })
      if (is) {
        if (!opt.all) {
          return withExt
        }
        found.push(withExt)
      }
    }
  }

  if (opt.all && found.length) {
    return found
  }

  if (opt.nothrow) {
    return null
  }

  throw getNotFoundError(cmd)
}

const whichSync = (cmd, opt = {}) => {
  const { pathEnv, pathExt, pathExtExe } = getPathInfo(cmd, opt)
  const found = []

  for (const pathEnvPart of pathEnv) {
    const p = getPathPart(pathEnvPart, cmd)

    for (const ext of pathExt) {
      const withExt = p + ext
      const is = isexeSync(withExt, { pathExt: pathExtExe, ignoreErrors: true })
      if (is) {
        if (!opt.all) {
          return withExt
        }
        found.push(withExt)
      }
    }
  }

  if (opt.all && found.length) {
    return found
  }

  if (opt.nothrow) {
    return null
  }

  throw getNotFoundError(cmd)
}

module.exports = which
which.sync = whichSync