Drop Node.js 14 support and test against Node.js 20 on CI (#445)

.cirrus.yml

@@ -51,15 +51,15 @@ qa_task:
     - build
   eks_container:
     matrix:
-      - docker_arguments:
-          NODE_VERSION: 14
-          CIRRUS_AWS_ACCOUNT: ${CIRRUS_AWS_ACCOUNT}
       - docker_arguments:
           NODE_VERSION: 16
           CIRRUS_AWS_ACCOUNT: ${CIRRUS_AWS_ACCOUNT}
       - docker_arguments:
           NODE_VERSION: 18
           CIRRUS_AWS_ACCOUNT: ${CIRRUS_AWS_ACCOUNT}
+      - docker_arguments:
+          NODE_VERSION: 20
+          CIRRUS_AWS_ACCOUNT: ${CIRRUS_AWS_ACCOUNT}
     <<: *CONTAINER_DEFINITION
     cpu: 3
     memory: 8G

.cirrus/nodejs.Dockerfile

@@ -6,7 +6,8 @@ USER root
 ARG NODE_VERSION=18
 ARG SCANNER_VERSION=5.0.1.3006
 
-RUN apt-get update && apt-get install -y nodejs=${NODE_VERSION}.*
+RUN curl -fsSL https://deb.nodesource.com/setup_${NODE_VERSION}.x | bash - \
+    && apt-get install -y nodejs=${NODE_VERSION}.*
 
 RUN curl "https://binaries.sonarsource.com/Distribution/sonar-scanner-cli/sonar-scanner-cli-${SCANNER_VERSION}.zip" -o /tmp/sonar-scanner.zip \
   && unzip -d /opt /tmp/sonar-scanner.zip \

README.md

@@ -81,7 +81,7 @@ Code Smells, or maintainability issues, are raised for places of code which migh
 
 ## Prerequisites
 
-- Node.js (>=14.x).
+- Node.js (>=16.x).
 - ESLint 5.x, 6.x, 7.x or 8.x (peer dependency for the plugin).
 
 ## Usage

package.json

@@ -16,7 +16,7 @@
   },
   "homepage": "https://github.com/SonarSource/eslint-plugin-sonarjs",
   "engines": {
-    "node": ">=14"
+    "node": ">=16"
   },
   "scripts": {
     "build": "rimraf lib && tsc -d -p tsconfig.json",