Gecko [ lorencats.com ]

Name	Size	Permission
locales	[ DIR ]	drwxr-xr-x
node_modules	[ DIR ]	drwxr-xr-x
auto-fallback.js	1.51 KB	-rw-r--r--
child.js	2.2 KB	-rw-r--r--
get-prefix.js	1.23 KB	-rw-r--r--
index.js	12.62 KB	-rw-r--r--
libnpx.1	6.71 KB	-rw-r--r--
package.json	2.02 KB	-rw-r--r--
parse-args.js	7.1 KB	-rw-r--r--
util.js	390 B	-rw-r--r--
y.js	490 B	-rw-r--r--

Code Editor : get-prefix.js

'use strict'

const promisify = require('./util.js').promisify

const path = require('path')
const statAsync = promisify(require('fs').stat)

module.exports = getPrefix
function getPrefix (root) {
  const original = root = path.resolve(root)
  while (path.basename(root) === 'node_modules') {
    root = path.dirname(root)
  }
  if (original !== root) {
    return Promise.resolve(root)
  } else {
    return Promise.resolve(getPrefixFromTree(root))
  }
}

function getPrefixFromTree (current) {
  if (isRootPath(current, process.platform)) {
    return false
  } else {
    return Promise.all([
      fileExists(path.join(current, 'package.json')),
      fileExists(path.join(current, 'node_modules'))
    ]).then(args => {
      const hasPkg = args[0]
      const hasModules = args[1]
      if (hasPkg || hasModules) {
        return current
      } else {
        return getPrefixFromTree(path.dirname(current))
      }
    })
  }
}

module.exports._fileExists = fileExists
function fileExists (f) {
  return statAsync(f).catch(err => {
    if (err.code !== 'ENOENT') {
      throw err
    }
  })
}

module.exports._isRootPath = isRootPath
function isRootPath (p, platform) {
  return platform === 'win32'
    ? p.match(/^[a-z]+:[/\\]?$/i)
    : p === '/'
}

${this.title}

Code Editor : get-prefix.js