Breaking: drop Node.js < 16 and Electron < 18

Category: removal

.github/dependabot.yml

@@ -10,6 +10,10 @@ updates:
       - dependency-name: node-gyp
       # ESM-only
       - dependency-name: tempy
+
+      # Stay on the 3rd or 4th oldest stable release, per
+      # https://www.electronjs.org/docs/latest/tutorial/electron-timelines#version-support-policy
+      - dependency-name: electron
   - package-ecosystem: github-actions
     directory: /
     schedule:

.github/workflows/release.yml

@@ -40,7 +40,7 @@ jobs:
       - name: Set up node
         uses: actions/setup-node@v3
         with:
-          node-version: 14
+          node-version: 16
           architecture: ${{ matrix.arch }}
       # Temporary fix for https://github.com/nodejs/node-gyp/issues/2869
       # TODO: instead bump node-gyp to >= 10.0.0 (drops Node.js < 16.14)

.github/workflows/smoke.yml

@@ -41,7 +41,7 @@ jobs:
       - name: Set up node
         uses: actions/setup-node@v3
         with:
-          node-version: 14
+          node-version: 16
           architecture: ${{ matrix.arch }}
       # Temporary fix for https://github.com/nodejs/node-gyp/issues/2869
       # TODO: instead bump node-gyp to >= 10.0.0 (drops Node.js < 16.14)

.github/workflows/test.yml

@@ -8,7 +8,7 @@ jobs:
       matrix:
         # At the time of writing macos-latest is mac 10; we need 11 to build a universal binary.
         os: [ubuntu-latest, macos-11, windows-latest]
-        node: [12, 14, 16]
+        node: [16, 18, 20]
         arch: [x86, x64]
         exclude:
           - { os: ubuntu-latest, arch: x86 }
@@ -42,7 +42,7 @@ jobs:
         with:
           file: coverage/lcov.info
       - name: Test Electron
-        if: ${{ matrix.node == '14' }}
+        if: ${{ matrix.node == '16' }}
         uses: GabrielBB/xvfb-action@v1
         with:
           run: npm run test-electron

README.md

@@ -142,7 +142,7 @@ const xyz = db.sublevel<string, any>('xyz', { valueEncoding: 'json' })
 
 ## Supported Platforms
 
-We aim to support _at least_ Active LTS and Current Node.js releases, Electron 5.0.0, as well as any future Node.js and Electron releases thanks to [Node-API](https://nodejs.org/api/n-api.html).
+We aim to support _at least_ Active LTS and Current Node.js releases, Electron >= 18, as well as any future Node.js and Electron releases thanks to [Node-API](https://nodejs.org/api/n-api.html).
 
 The `classic-level` npm package ships with prebuilt binaries for popular 64-bit platforms as well as ARM, M1, Android, Alpine (musl), Windows 32-bit, Linux flavors with an old glibc (Debian 8, Ubuntu 14.04, RHEL 7, CentOS 7) and is known to work on:
 

package.json

@@ -38,7 +38,7 @@
     "cross-env": "^7.0.3",
     "dependency-check": "^4.1.0",
     "du": "^1.0.0",
-    "electron": "^21.0.1",
+    "electron": "^18.3.15",
     "glob": "^8.0.1",
     "hallmark": "^4.1.0",
     "mkfiletree": "^2.0.0",
@@ -66,6 +66,6 @@
     "level"
   ],
   "engines": {
-    "node": ">=12"
+    "node": ">=16"
   }
 }