node_modules: update (#340)

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

node_modules/nodemailer/dist/cjs/dkim/message-parser.js

@@ -1,6 +1,33 @@
 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
 const node_stream_1 = require("node:stream");
+/**
+ * Drops the SP and HTAB from both ends of a field name.
+ *
+ * An index scan rather than `/^[ \t]+|[ \t]+$/g`, which retries the trailing branch at
+ * every offset of a blank run that is followed by other text: the run is consumed greedily,
+ * `$` fails, and the engine gives the characters back one at a time before moving on to
+ * start the same walk one offset further in. A field name carrying a 128 KiB run of spaces
+ * between two atoms took about 6.7 seconds to trim, and the cost grows with its square.
+ *
+ * Not `.trim()`, which takes the other Unicode spaces along: an NBSP in front of a field
+ * name would come off and select the name into the signed set, where the relaxed
+ * canonicalization in sign.ts deliberately leaves everything but SP and HTAB alone.
+ *
+ * @param str Field name to trim
+ * @return The field name without the surrounding SP and HTAB
+ */
+function _trimFieldName(str) {
+    let start = 0;
+    let end = str.length;
+    while (start < end && (str.charCodeAt(start) === 0x20 || str.charCodeAt(start) === 0x09)) {
+        start++;
+    }
+    while (end > start && (str.charCodeAt(end - 1) === 0x20 || str.charCodeAt(end - 1) === 0x09)) {
+        end--;
+    }
+    return str.slice(start, end);
+}
 /**
  * MessageParser instance is a transform stream that separates message headers
  * from the rest of the body. Headers are emitted with the 'headers' event. Message
@@ -143,10 +170,7 @@ class MessageParser extends node_stream_1.Transform {
         return lines
             .filter(line => /[^ \t\r]/.test(line))
             .map(line => ({
-            key: line
-                .substr(0, line.indexOf(':'))
-                .replace(/^[ \t]+|[ \t]+$/g, '')
-                .toLowerCase(),
+            key: _trimFieldName(line.substr(0, line.indexOf(':'))).toLowerCase(),
             line
         }));
     }