Update gitignore (sorry)

electron/node_modules/ensure-error/index.js

@@ -0,0 +1,32 @@
+'use strict';
+const util = require('util');
+
+class NonError extends Error {
+	constructor(message) {
+		super(util.inspect(message));
+		this.name = 'NonError';
+		Error.captureStackTrace(this, NonError);
+	}
+}
+
+module.exports = input => {
+	if (!(input instanceof Error)) {
+		return new NonError(input);
+	}
+
+	const error = input;
+
+	if (!error.name) {
+		error.name = (error.constructor && error.constructor.name) || 'Error';
+	}
+
+	if (!error.message) {
+		error.message = '<No error message>';
+	}
+
+	if (!error.stack) {
+		error.stack = (new Error(error.message)).stack.replace(/\n {4}at /, '\n<Original stack missing>$&');
+	}
+
+	return error;
+};