Added Node 18 to CI matrix

Author: sgravrock

.circleci/config.yml

@@ -3,9 +3,13 @@
 version: 2.1
 
 executors:
+  node18:
+    docker:
+      - image: cimg/node:18.0.0 # Latest 18.x
+    working_directory: ~/workspace
   node16:
     docker:
-      - image: cimg/node:16.14.0 # Latest 16.x
+      - image: cimg/node:16.14.2 # Latest 16.x
     working_directory: ~/workspace
   node14_latest:
     docker:
@@ -57,6 +61,7 @@ workflows:
           matrix:
             parameters:
               executor:
+                - node18
                 - node16
                 - node14_latest
                 - node14_8 # first with top level await in ES modules.

README.md

@@ -50,7 +50,7 @@ Jasmine is compatible with both ES modules and CommonJS modules. See the
 
 ## Node version compatibility
 
-Jasmine supports Node 12.x where x >=17, Node 14, and Node 16.
+Jasmine supports Node 18, 16, 14, and 12.17-12.22.
 
 ## Support