fix: Use Object.hasOwn instead of Object.prototype.hasOwnProperty

BREAKING CHANGE: The minimum supported version of Node.js is 16.9 now.

lib/sorter.js

@@ -6,18 +6,19 @@
   'use strict'
 
   // from http://stackoverflow.com/questions/1359761/sorting-a-json-object-in-javascript
-  const ownsProperty = Object.prototype.hasOwnProperty
+  const ownsProperty = Object.hasOwn
+  const formatString = Object.prototype.toString
   function sortObject (o, { ignoreCase, locale, caseFirst, numeric } = {}) {
     if (Array.isArray(o)) {
       return o.map(sortObject)
-    }if (Object.prototype.toString.call(o) !== '[object Object]') {
+    }if (formatString.call(o) !== '[object Object]') {
       return o
     }
     const sorted = {}
     let key
     const a = []
     for (key in o) {
-      if (ownsProperty.call(o, key)) {
+      if (ownsProperty(o, key)) {
         a.push(key)
       }
     }

package.json

@@ -36,7 +36,7 @@
     "web"
   ],
   "engines": {
-    "node": ">= 14"
+    "node": ">=16.9"
   },
   "scripts": {
     "build": "npm run compile:jsonlint && rollup -c && npm run minify && npm run compile:tests",
@@ -67,7 +67,7 @@
     "@rollup/plugin-commonjs": "26.0.1",
     "@rollup/plugin-json": "6.1.0",
     "@rollup/plugin-node-resolve": "15.2.3",
-    "@types/node": "22.1.0",
+    "@types/node": "22.2.0",
     "@unixcompat/cat.js": "2.0.0",
     "@unixcompat/mv.js": "2.0.0",
     "c8": "10.1.2",

src/custom-parser.js

@@ -35,7 +35,7 @@ const unescapeMap = {
   '/': '/'
 }
 
-const ownsProperty = Object.prototype.hasOwnProperty
+const ownsProperty = Object.hasOwn
 
 const emptyObject = {}
 
@@ -323,7 +323,7 @@ function parseInternal (input, options) {
     while (position < inputLength) {
       skipWhiteSpace()
       const key = parseKey()
-      if (allowDuplicateObjectKeys === false && ownsProperty.call(result, key)) {
+      if (allowDuplicateObjectKeys === false && ownsProperty(result, key)) {
         fail(`Duplicate key: "${key}"`)
       }
       skipWhiteSpace()