| 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) | |
| } | |