chore: add Node.js 20 back to support matrix (#531)

Author: AlCalzone

.github/workflows/test-and-release.yml

@@ -51,7 +51,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        node-version: [22, 24]
+        node-version: [20, 22, 24]
         os: [ubuntu-latest]
 
     steps:

README.md

@@ -158,11 +158,11 @@ const json = db.toJSON();
 	### __WORK IN PROGRESS__
 -->
 ### __WORK IN PROGRESS__
-* BREAKING: Drop support for Node.js versions older than v22 (#529)
+* BREAKING: Drop support for Node.js versions older than v20
 * BREAKING: Removed `exportJson` method in favor of `toJSON`
 * BREAKING: Renamed `importJson` method to `importJSON`. Importing from a file is no longer supported. Read the file yourself if you need this functionality.
 * Filesystem access is now done using the native `fs.promises` instead of `fs-extra`
-* The package is now a hybrid ESM/CJS package (#529)
+* The package is now a hybrid ESM/CJS package
 
 ### 3.1.1 (2024-01-25)
 * Reduced CPU load while idle (#475)

package-lock.json

@@ -44,7 +44,7 @@
     "@alcalzone/release-script-plugin-license": "~3.7.0",
     "@commitlint/cli": "^20.1.0",
     "@commitlint/config-conventional": "^20.0.0",
-    "@tsconfig/node22": "^22.0.2",
+    "@tsconfig/node20": "^20.1.6",
     "@types/node": "^22.18.8",
     "@types/proper-lockfile": "^4.1.2",
     "@vitest/coverage-istanbul": "^3.2.4",
@@ -70,7 +70,7 @@
   },
   "scripts": {
     "build": "tsc",
-    "postbuild": "esm2cjs --in ./build/esm --out ./build/cjs -l error -t node22",
+    "postbuild": "esm2cjs --in ./build/esm --out ./build/cjs -l error -t node20",
     "watch": "npm run build -- --watch",
     "test:ts": "vitest",
     "test:watch": "npm run test:ts -- --watch",

package.json

@@ -1,5 +1,5 @@
 {
-	"extends": "@tsconfig/node22/tsconfig.json",
+	"extends": "@tsconfig/node20/tsconfig.json",
 	"compilerOptions": {
 		"rootDir": "src",
 		"outDir": "build/esm",