fix(package): specify supported node engine to v10 (LTS)

Supported node versions the same as the Node.js LTS versions, and of course the current versions.  The CI builds and tests against node v10 through v15 (latest).

Author: jdbruijn

.github/workflows/build.yml

@@ -24,27 +24,35 @@ jobs:
   build:
     runs-on: ubuntu-latest
     timeout-minutes: 5
+    strategy:
+      fail-fast: false
+      matrix:
+        node: [10, 12, 14, 15]
     steps:
       - name: Checkout
         uses: actions/checkout@v2.3.3
       - name: Setup node
         uses: actions/setup-node@v2.1.2
         with:
-          node-version: 14
+          node-version: ${{ matrix.node }}
       - name: Install project
         run: npm ci --ignore-scripts
       - name: Build
         run: npm run build
   test:
     runs-on: ubuntu-latest
     timeout-minutes: 5
+    strategy:
+      fail-fast: false
+      matrix:
+        node: [10, 12, 14, 15]
     steps:
       - name: Checkout
         uses: actions/checkout@v2.3.3
       - name: Setup node
         uses: actions/setup-node@v2.1.2
         with:
-          node-version: 14
+          node-version: ${{ matrix.node }}
       - name: Install project
         run: npm ci --ignore-scripts
       - name: Test

package.json

@@ -41,6 +41,9 @@
     "url": "https://github.com/vidavidorra/commitlint-plugin-function-rules/issues"
   },
   "homepage": "https://github.com/vidavidorra/commitlint-plugin-function-rules#readme",
+  "engines": {
+    "node": ">=10.22.1"
+  },
   "peerDependencies": {
     "@commitlint/lint": "9.x || 10.x || 11.x"
   },

tsconfig.json

@@ -5,7 +5,7 @@
     "moduleResolution": "node",
     "outDir": "dist",
     "strict": true,
-    "target": "ES2020"
+    "target": "ES2018"
   },
   "exclude": ["node_modules"],
   "include": ["src/**/*.ts", "test/**/*.ts"]