Initial commit

nova-components/NovaLeader/node_modules/executable/index.js

@@ -0,0 +1,47 @@
+'use strict';
+
+var fs = require('fs');
+
+function 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();
+}
+
+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);
+	});
+};
+
+module.exports.sync = function (name) {
+	if (typeof name !== 'string') {
+		throw new Error('Filename required');
+	}
+
+	var file = fs.statSync(name);
+
+	if (file && file.isFile() && isExe(file.mode, file.gid, file.uid)) {
+		return true;
+	}
+
+	return false;
+};