aaac7fed
 liuqimichale
add
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var fs = require('fs')
var core
if (process.platform === 'win32' || global.TESTING_WINDOWS) {
core = require('./windows.js')
} else {
core = require('./mode.js')
}
module.exports = isexe
isexe.sync = sync
function isexe (path, options, cb) {
if (typeof options === 'function') {
cb = options
options = {}
}
if (!cb) {
if (typeof Promise !== 'function') {
throw new TypeError('callback not provided')
}
return new Promise(function (resolve, reject) {
isexe(path, options || {}, function (er, is) {
if (er) {
reject(er)
} else {
resolve(is)
}
})
})
}
core(path, options || {}, function (er, is) {
// ignore EACCES because that just means we aren't allowed to run it
if (er) {
if (er.code === 'EACCES' || options && options.ignoreErrors) {
er = null
is = false
}
}
cb(er, is)
})
}
function sync (path, options) {
// my kingdom for a filtered catch
try {
return core.sync(path, options || {})
} catch (er) {
if (options && options.ignoreErrors || er.code === 'EACCES') {
return false
} else {
throw er
}
}
}
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