Rebecca Turner 468ab4519e deps: upgrade npm to 6.1.0
PR-URL: https://github.com/nodejs/node/pull/20190
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
2018-05-24 23:24:45 -07:00

43 lines
890 B
JavaScript

module.exports = isexe
isexe.sync = sync
var fs = require('fs')
function checkPathExt (path, options) {
var pathext = options.pathExt !== undefined ?
options.pathExt : process.env.PATHEXT
if (!pathext) {
return true
}
pathext = pathext.split(';')
if (pathext.indexOf('') !== -1) {
return true
}
for (var i = 0; i < pathext.length; i++) {
var p = pathext[i].toLowerCase()
if (p && path.substr(-p.length).toLowerCase() === p) {
return true
}
}
return false
}
function checkStat (stat, path, options) {
if (!stat.isSymbolicLink() && !stat.isFile()) {
return false
}
return checkPathExt(path, options)
}
function isexe (path, options, cb) {
fs.stat(path, function (er, stat) {
cb(er, er ? false : checkStat(stat, path, options))
})
}
function sync (path, options) {
return checkStat(fs.statSync(path), path, options)
}