Added Node 18 to CI matrix

.circleci/config.yml

@@ -4,9 +4,13 @@
 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:
     docker:
@@ -90,6 +94,9 @@ workflows:
 
   push:
     jobs:
+      - build:
+          executor: node18
+          name: build_node_18
       - build:
           executor: node16
           name: build_node_16
@@ -102,6 +109,11 @@ workflows:
       - build:
           executor: node12_17
           name: build_node_12_17
+      - test_node:
+          executor: node18
+          name: test_node_18
+          requires:
+             - build_node_18
       - test_node:
           executor: node16
           name: test_node_16

README.md

@@ -37,7 +37,7 @@ Microsoft Edge) as well as Node.
 
 | Environment       | Supported versions |
 |-------------------|--------------------|
-| Node              | 12.17+, 14, 16     |
+| Node              | 12.17+, 14, 16, 18 |
 | Safari            | 14-15              |
 | Chrome            | Evergreen          |
 | Firefox           | Evergreen, 91      |