perf: only check for isEssence once in RegExp for content-type-parser (…

…#4481)
fastify · Dec 24, 2022 · 897360a · 897360a
1 parent 4bde0e0
commit 897360a
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/lib/contentTypeParser.js b/lib/contentTypeParser.js
@@ -70,6 +70,7 @@ ContentTypeParser.prototype.add = function (contentType, opts, parserFn) {
     if (contentTypeIsString) {
       this.parserList.unshift(new ParserListItem(contentType))
     } else {
+      contentType.isEssence = contentType.source.indexOf(';') === -1
       this.parserRegExpList.unshift(contentType)
     }
     this.customParsers.set(contentType.toString(), parser)
@@ -389,7 +390,7 @@ function compareContentType (contentType, parserListItem) {
 }
 
 function compareRegExpContentType (contentType, essenceMIMEType, regexp) {
-  if (regexp.source.indexOf(';') === -1) {
+  if (regexp.isEssence) {
     // we do essence check
     return regexp.test(essenceMIMEType)
   } else {