Index: frontend/node_modules/shell-quote/quote.js
===================================================================
--- frontend/node_modules/shell-quote/quote.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/shell-quote/quote.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,19 @@
+'use strict';
+
+module.exports = function quote(xs) {
+	return xs.map(function (s) {
+		if (s === '') {
+			return '\'\'';
+		}
+		if (s && typeof s === 'object') {
+			return s.op.replace(/(.)/g, '\\$1');
+		}
+		if ((/["\s\\]/).test(s) && !(/'/).test(s)) {
+			return "'" + s.replace(/(['])/g, '\\$1') + "'";
+		}
+		if ((/["'\s]/).test(s)) {
+			return '"' + s.replace(/(["\\$`!])/g, '\\$1') + '"';
+		}
+		return String(s).replace(/([A-Za-z]:)?([#!"$&'()*,:;<=>?@[\\\]^`{|}])/g, '$1\\$2');
+	}).join(' ');
+};