Deprecate old node.js versions < v18

- New lock
- Publish with Node v20
- Add node github workflow action

.github/workflows/nodejs.yml

@@ -0,0 +1,23 @@
+name: Node CI
+
+on:
+  push:
+    branches:
+    - master
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [18.x, 19.x, 20.x, 21.x]
+    steps:
+    - uses: actions/checkout@v3
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v3
+      with:
+        node-version: ${{ matrix.node-version }}
+    - name: npm install and test
+      run: |
+        npm install
+        npm test

.github/workflows/npm-publish.yml

@@ -11,21 +11,21 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-node@v1
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
         with:
-          node-version: 12
+          node-version: 20
       - run: npm ci
       - run: npm test
 
   publish-npm:
     needs: build
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-node@v1
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
         with:
-          node-version: 12
+          node-version: 20
           registry-url: https://registry.npmjs.org/
       - run: npm ci
       - run: npm publish

package.json

@@ -1,10 +1,11 @@
 {
   "name": "@pylonide/treehugger",
-  "version": "0.1.0",
+  "version": "0.2.0",
   "description": "treehugger is a Javascript library for program processing",
-  "author": "ajax.org B.V. <[email protected]>",
+  "author": "Sten Feldman <[email protected]>",
   "license": "MIT",
   "contributors": [
+    "ajax.org B.V. <[email protected]>",
     {
       "name": "Zef Hemel",
       "email": "[email protected]"
@@ -24,7 +25,7 @@
     "url": "http://github.com/pylonide/treehugger.git"
   },
   "engines": {
-    "node": ">= 12.22.1"
+    "node": ">= 18.18.2"
   },
   "devDependencies": {
     "amd-loader": "~0.0.8",