43 lines
901 B
JavaScript
43 lines
901 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);
|
|
}
|