timepiece/node_modules/isexe/windows.js

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)
}