schnee effeckt und fehler Korektur

node_modules/executable/index.js

@@ -1,47 +1,36 @@
 'use strict';
+const fs = require('fs');
+const pify = require('pify');
 
-var fs = require('fs');
-
-function isExe(mode, gid, uid) {
+const isExe = (mode, gid, uid) => {
 	if (process.platform === 'win32') {
 		return true;
 	}
 
-	return (mode & parseInt('0001', 8)) ||
-		(mode & parseInt('0010', 8)) && process.getgid && gid === process.getgid() ||
-		(mode & parseInt('0100', 8)) && process.getuid && uid === process.getuid();
-}
+	const isGroup = gid ? process.getgid && gid === process.getgid() : true;
+	const isUser = uid ? process.getuid && uid === process.getuid() : true;
 
-module.exports = function (name, cb) {
-	if (typeof name !== 'string') {
-		throw new Error('Filename required');
-	}
-
-	fs.stat(name, function (err, stats) {
-		if (err) {
-			cb(err);
-			return;
-		}
-
-		if (stats && stats.isFile() && isExe(stats.mode, stats.gid, stats.uid)) {
-			cb(null, true);
-			return;
-		}
-
-		cb(null, false);
-	});
+	return Boolean((mode & 0o0001) ||
+		((mode & 0o0010) && isGroup) ||
+		((mode & 0o0100) && isUser));
 };
 
-module.exports.sync = function (name) {
+module.exports = name => {
 	if (typeof name !== 'string') {
-		throw new Error('Filename required');
+		return Promise.reject(new TypeError('Expected a string'));
 	}
 
-	var file = fs.statSync(name);
-
-	if (file && file.isFile() && isExe(file.mode, file.gid, file.uid)) {
-		return true;
-	}
-
-	return false;
+	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;