build(deps): replace mnemonist with toad-cache (#366)

* build(deps): replace mnemonist with toad-cache

* Update vary.js

Co-authored-by: Gürgün Dayıoğlu <[email protected]>
Signed-off-by: Frazer Smith <[email protected]>

* refactor(vary): replace lru with fifo cache

---------

Signed-off-by: Frazer Smith <[email protected]>
Co-authored-by: Gürgün Dayıoğlu <[email protected]>

Author: Fdawgs

package.json

@@ -71,7 +71,7 @@
   },
   "dependencies": {
     "fastify-plugin": "^5.0.0",
-    "mnemonist": "0.40.3"
+    "toad-cache": "^3.7.0"
   },
   "tsd": {
     "directory": "test"

vary.js

@@ -1,6 +1,6 @@
 'use strict'
 
-const LRUCache = require('mnemonist/lru-cache')
+const { FifoMap: FifoCache } = require('toad-cache')
 
 /**
  * Field Value Components
@@ -67,7 +67,7 @@ function parse (header) {
 }
 
 function createAddFieldnameToVary (fieldname) {
-  const headerCache = new LRUCache(1000)
+  const headerCache = new FifoCache(1000)
 
   validateFieldname(fieldname)
 
@@ -92,7 +92,7 @@ function createAddFieldnameToVary (fieldname) {
       header = header.join(', ')
     }
 
-    if (!headerCache.has(header)) {
+    if (headerCache.get(header) === undefined) {
       const vals = parse(header)
 
       if (vals.indexOf('*') !== -1) {