node_modules: update (#259)

Co-authored-by: dawidd6 <9713907+dawidd6@users.noreply.github.com>

node_modules/nodemailer/lib/errors.js

@@ -0,0 +1,61 @@
+'use strict';
+
+/**
+ * Nodemailer Error Codes
+ *
+ * Centralized error code definitions for consistent error handling.
+ *
+ * Usage:
+ *   const errors = require('./errors');
+ *   let err = new Error('Connection closed');
+ *   err.code = errors.ECONNECTION;
+ */
+
+/**
+ * Error code descriptions for documentation and debugging
+ */
+const ERROR_CODES = {
+    // Connection errors
+    ECONNECTION: 'Connection closed unexpectedly',
+    ETIMEDOUT: 'Connection or operation timed out',
+    ESOCKET: 'Socket-level error',
+    EDNS: 'DNS resolution failed',
+
+    // TLS/Security errors
+    ETLS: 'TLS handshake or STARTTLS failed',
+    EREQUIRETLS: 'REQUIRETLS not supported by server (RFC 8689)',
+
+    // Protocol errors
+    EPROTOCOL: 'Invalid SMTP server response',
+    EENVELOPE: 'Invalid mail envelope (sender or recipients)',
+    EMESSAGE: 'Message delivery error',
+    ESTREAM: 'Stream processing error',
+
+    // Authentication errors
+    EAUTH: 'Authentication failed',
+    ENOAUTH: 'Authentication credentials not provided',
+    EOAUTH2: 'OAuth2 token generation or refresh error',
+
+    // Resource errors
+    EMAXLIMIT: 'Pool resource limit reached (max messages per connection)',
+
+    // Transport-specific errors
+    ESENDMAIL: 'Sendmail command error',
+    ESES: 'AWS SES transport error',
+
+    // Configuration and access errors
+    ECONFIG: 'Invalid configuration',
+    EPROXY: 'Proxy connection error',
+    EFILEACCESS: 'File access rejected (disableFileAccess is set)',
+    EURLACCESS: 'URL access rejected (disableUrlAccess is set)',
+    EFETCH: 'HTTP fetch error'
+};
+
+// Export error codes as string constants and the full definitions object
+module.exports = Object.keys(ERROR_CODES).reduce(
+    (exports, code) => {
+        exports[code] = code;
+        return exports;
+    },
+    { ERROR_CODES }
+);