It appears that the repository has undergone several changes and renamings:

backend/node_modules/shebang-command/index.js

@@ -1,19 +0,0 @@
-'use strict';
-const shebangRegex = require('shebang-regex');
-
-module.exports = (string = '') => {
-	const match = string.match(shebangRegex);
-
-	if (!match) {
-		return null;
-	}
-
-	const [path, argument] = match[0].replace(/#! ?/, '').split(' ');
-	const binary = path.split('/').pop();
-
-	if (binary === 'env') {
-		return argument;
-	}
-
-	return argument ? `${binary} ${argument}` : binary;
-};