Drop support for node v10, v11, v13, and v15 (#104)

Author: ota-meshi

.github/workflows/NodeCI.yml

@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [12.x, 14.x, 16.x]
+        node-version: [12.x, 14.x, 16.x, 17.x]
     steps:
     - uses: actions/checkout@v2
     - name: Use Node.js ${{ matrix.node-version }}
@@ -56,7 +56,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [13.x, 14.x]
+        node-version: [14.x]
     steps:
     - uses: actions/checkout@v2
     - name: Use Node.js ${{ matrix.node-version }}

package.json

@@ -6,6 +6,9 @@
     "files": [
         "lib"
     ],
+    "engines": {
+        "node": "^12.22.0 || ^14.17.0 || >=16.0.0"
+    },
     "scripts": {
         "prebuild": "npm run -s clean",
         "build": "tsc --project ./tsconfig.build.json",