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'use strict';
const fs = require('fs');
const pify = require('pify');
const isExe = (mode, gid, uid) => {
if (process.platform === 'win32') {
return true;
}
const isGroup = gid ? process.getgid && gid === process.getgid() : true;
const isUser = uid ? process.getuid && uid === process.getuid() : true;
return Boolean((mode & 0o0001) ||
((mode & 0o0010) && isGroup) ||
((mode & 0o0100) && isUser));
};
module.exports = name => {
if (typeof name !== 'string') {
return Promise.reject(new TypeError('Expected a string'));
}
return pify(fs.stat)(name).then(stats => stats && stats.isFile() && isExe(stats.mode, stats.gid, stats.uid));
};
module.exports.sync = name => {
if (typeof name !== 'string') {
throw new TypeError('Expected a string');
}
const stats = fs.statSync(name);
return stats && stats.isFile() && isExe(stats.mode, stats.gid, stats.uid);
};
module.exports.checkMode = isExe;
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