Use "node:" prefixed imports everywhere.

Update minimum nodejs version to the ones where this feature was introduced, and update CI accordingly.

Also bumped the mocha version to the latest one, as that one is still compatible with the now bumped nodejs version.

.github/workflows/test.yml

@@ -15,15 +15,21 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node: [8, 10, 12, 14, 16, 18, 20, 22]
+        node: [14.18.0, 14, 16.0.0, 16, 18, 20, 22]
         os: [ubuntu-latest, windows-latest, macOS-latest]
+        exclude:
+          # Node 14 is not available on macos anymore
+          - os: macos-latest
+            node: 14
+          - os: macos-latest
+            node: 14.18.0
 
     steps:
       - name: Clone repository
         uses: actions/checkout@v2
 
       - name: Setup Node.js
-        uses: actions/setup-node@v2
+        uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node }}
 

index.js

@@ -7,7 +7,7 @@
 
 'use strict';
 
-const util = require('util');
+const util = require('node:util');
 const toRegexRange = require('to-regex-range');
 
 const isObject = val => val !== null && typeof val === 'object' && !Array.isArray(val);

package.json

@@ -21,7 +21,7 @@
   ],
   "main": "index.js",
   "engines": {
-    "node": ">=8"
+    "node": ">=14.18.0 <15 || >=16"
   },
   "scripts": {
     "lint": "eslint --cache --cache-location node_modules/.cache/.eslintcache --report-unused-disable-directives --ignore-path .gitignore .",
@@ -35,7 +35,7 @@
   },
   "devDependencies": {
     "gulp-format-md": "^2.0.0",
-    "mocha": "^6.1.1",
+    "mocha": "^10.7.0",
     "nyc": "^15.1.0"
   },
   "keywords": [

test/errors.js

@@ -1,6 +1,6 @@
 'use strict';
 
-const assert = require('assert');
+const assert = require('node:assert');
 const fill = require('..');
 
 describe('error handling', () => {

test/invalid.js

@@ -1,6 +1,6 @@
 'use strict';
 
-const assert = require('assert');
+const assert = require('node:assert');
 const fill = require('..');
 
 describe('invalid ranges', () => {

test/matching.js

@@ -1,6 +1,6 @@
 'use strict';
 
-const assert = require('assert');
+const assert = require('node:assert');
 const fill = require('..');
 
 const toRegex = (...args) => new RegExp(`^(${fill(...args)})$`);

test/options.js

@@ -1,6 +1,6 @@
 'use strict';
 
-const assert = require('assert');
+const assert = require('node:assert');
 const exact = require('./support/exact');
 const fill = require('..');
 

test/padding.js

@@ -1,6 +1,6 @@
 'use strict';
 
-const assert = require('assert').strict;
+const assert = require('node:assert').strict;
 const fill = require('..');
 
 describe('padding: numbers', () => {

test/support/exact.js

@@ -1,7 +1,7 @@
 'use strict';
 
-const assert = require('assert');
-const util = require('util');
+const assert = require('node:assert');
+const util = require('node:util');
 
 module.exports = (actual, expected) => {
   assert(Array.isArray(actual));

test/verify-matches.js

@@ -7,7 +7,7 @@
 
 'use strict';
 
-const assert = require('assert');
+const assert = require('node:assert');
 const expand = require('./support/expand');
 const fill = require('..');
 let count = 0;