node_modules: update (#332)

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

node_modules/nodemailer/dist/esm/qp/index.d.ts

@@ -15,6 +15,8 @@ export interface QPEncoderOptions {
     /** Maximum length for lines, set to false to disable wrapping */
     lineLength?: number | false | undefined;
 }
+/** The name @types/nodemailer used for QPEncoderOptions */
+export type EncoderOptions = QPEncoderOptions;
 /**
  * Creates a transform stream for encoding data to Quoted-Printable encoding
  *

node_modules/nodemailer/dist/esm/qp/index.js

@@ -5,6 +5,8 @@ import { Transform } from 'node:stream';
  * @param buffer Buffer to convert
  * @returns Quoted-Printable encoded string
  */
+// the shortest line wrap() can make progress with: a complete =XX sequence and the soft break
+const MIN_LINE_LENGTH = 4;
 // usable characters that do not need encoding
 // https://tools.ietf.org/html/rfc2045#section-6.7
 const QP_RANGES = [
@@ -41,7 +43,9 @@ export function encode(buffer) {
  */
 export function wrap(str, lineLength) {
     str = (str || '').toString();
-    lineLength = lineLength || 76;
+    // a line has to hold a complete =XX sequence plus the soft break, shorter lengths
+    // (or a negative one) would loop without consuming input
+    lineLength = Math.max(Number(lineLength) || 76, MIN_LINE_LENGTH);
     if (str.length <= lineLength) {
         return str;
     }
@@ -95,6 +99,11 @@ export function wrap(str, lineLength) {
                 }
             }
         }
+        if (!line.length) {
+            // the trimming above emptied the line, which only happens for an incomplete
+            // escape at the very end of the input. Take it as is rather than loop on it
+            line = str.substr(pos, lineLength);
+        }
         if (pos + line.length < len && line.substr(-1) !== '\n') {
             if (line.length === lineLength && line.match(/[=][\da-f]{2}$/i)) {
                 line = line.substr(0, line.length - 3);