chore: Extend Node.js support to versions 20, 22 and 24

Author: pkarolyi

.gitlab-ci.yml

@@ -11,8 +11,8 @@ include:
 
 # Global --------------------------
 
-# Use Active LTS (18)
-image: node:18-alpine
+# Use Active LTS (22)
+image: node:22-alpine
 
 workflow:
     rules:
@@ -145,7 +145,7 @@ build:
         KUBERNETES_MEMORY_LIMIT: 8Gi
     parallel:
         matrix:
-            - DOCKER_IMAGE: 'node:18-alpine'
+            - DOCKER_IMAGE: 'node:22-alpine'
             - DOCKER_IMAGE: 'node:12-alpine'
               USE_MOCK_SERVER: 'use mock server'
             - DOCKER_IMAGE: 'node:14-alpine'
@@ -156,6 +156,12 @@ build:
               USE_MOCK_SERVER: 'use mock server'
             - DOCKER_IMAGE: 'node:18-alpine'
               USE_MOCK_SERVER: 'use mock server'
+            - DOCKER_IMAGE: 'node:20-alpine'
+              USE_MOCK_SERVER: 'use mock server'
+            - DOCKER_IMAGE: 'node:22-alpine'
+              USE_MOCK_SERVER: 'use mock server'
+            - DOCKER_IMAGE: 'node:24-alpine'
+              USE_MOCK_SERVER: 'use mock server'
     image: ${DOCKER_IMAGE}
     script:
         - >
@@ -197,6 +203,9 @@ test_manual:
             - DOCKER_IMAGE: 'node:16-alpine'
             - DOCKER_IMAGE: 'node:17-alpine'
             - DOCKER_IMAGE: 'node:18-alpine'
+            - DOCKER_IMAGE: 'node:20-alpine'
+            - DOCKER_IMAGE: 'node:22-alpine'
+            - DOCKER_IMAGE: 'node:24-alpine'
     image: ${DOCKER_IMAGE}
     before_script: # Note: replaces global before_script
         - npm install --production

.nvmrc

@@ -0,0 +1 @@
+22

CHANGELOG.md

@@ -5,7 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
-
+### Added
+* Official support for Node.js versions 20, 22 and 24
 
 ## [1.19.1] - 2025-09-16
 ### Changed

README.md

@@ -29,12 +29,9 @@ you can translate up to 500,000 characters/month for free.
 
 ### Requirements
 
-The package officially supports Node.js version 12, 14, 16, 17, and 18.
+The package officially supports Node.js version 12, 14, 16, 17, 18, 20, 22 and 24.
 
-Starting in 2024, we will drop support for older Node versions that have reached
-official end-of-life. You can find the Node versions and support timelines
-[here][node-version-list].
-To continue using this library, you should update to Node 18+.
+We strongly recommend upgrading to a supported Node.js version as we will be dropping support for end-of-life versions in 2025. You can find the Node versions and support timelines [here][node-version-list].
 
 ## Usage
 

examples/bulk-translation/package.json

@@ -3,7 +3,6 @@
     "description": "Example for deepl-node using TypeScript",
     "type": "module",
     "dependencies": {
-        "@types/node": "^18.11.9",
         "deepl-node": "file:../..",
         "p-limit": "^6.2.0"
     },

examples/typescript/package.json

@@ -3,7 +3,6 @@
     "description": "Example for deepl-node using TypeScript",
     "type": "module",
     "dependencies": {
-        "@types/node": "^18.11.9",
         "deepl-node": "file:../.."
     },
     "main": "index.ts",

examples/website-translation/package.json

@@ -3,7 +3,6 @@
     "description": "Example for translating a website into multiple target languages",
     "type": "module",
     "dependencies": {
-        "@types/node": "^18.11.9",
         "deepl-node": "file:../..",
         "dotenv": "^16.4.5"
     },

tests/documentMinification/testHelpers.ts

@@ -1,6 +1,7 @@
 import * as path from 'path';
 import * as fs from 'fs';
 import AdmZip from 'adm-zip';
+import { randomFillSync } from 'crypto';
 
 const MINIFIABLE_FILE_SIZE = 90000000;
 
@@ -15,14 +16,10 @@ export const createMinifiableTestDocument = (
     const zipExtractor = new AdmZip(testFilePath);
     zipExtractor.extractAllTo(tempZipContentDirectory);
 
-    // Create a placeholder file of size 90 MB
-    const characters =
-        '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ~!@#$%^&*()_+=-<,>.?:';
-    const createText = Array.from(
-        { length: MINIFIABLE_FILE_SIZE },
-        () => characters[Math.floor(Math.random() * characters.length)],
-    ).join('');
-    fs.writeFileSync(path.join(tempZipContentDirectory, 'placeholder_image.png'), createText);
+    // Create a placeholder file of size 90 MB filled with random data to avoid compression
+    const buffer = new Uint8Array(MINIFIABLE_FILE_SIZE);
+    randomFillSync(buffer);
+    fs.writeFileSync(path.join(tempZipContentDirectory, 'placeholder_image.png'), buffer);
 
     const fileName = path.basename(testFilePath);
     const outputFilePath = path.join(outputDirectory, fileName);