Require Node.js 18

.github/workflows/main.yml

@@ -11,8 +11,6 @@ jobs:
       matrix:
         node-version:
           - 18
-          - 16
-          - 14
         os:
           - ubuntu-latest
           - macos-latest

package.json

@@ -16,8 +16,9 @@
 		"default": "./dist/source/index.js"
 	},
 	"engines": {
-		"node": ">=14.16"
+		"node": ">=18"
 	},
+	"sideEffects": false,
 	"scripts": {
 		"test": "xo && npm run build && ava",
 		"build": "del-cli dist && tsc",
@@ -48,30 +49,29 @@
 	"dependencies": {
 		"ajv": "^8.12.0",
 		"ajv-formats": "^2.1.1",
-		"atomically": "^2.0.0",
+		"atomically": "^2.0.2",
 		"debounce-fn": "^5.1.2",
-		"dot-prop": "^7.2.0",
+		"dot-prop": "^8.0.2",
 		"env-paths": "^3.0.0",
 		"json-schema-typed": "^8.0.1",
-		"semver": "^7.3.8",
-		"uint8array-extras": "^0.2.0"
+		"semver": "^7.5.4",
+		"uint8array-extras": "^0.3.0"
 	},
 	"devDependencies": {
-		"@sindresorhus/tsconfig": "^3.0.1",
-		"@types/node": "^18.11.18",
-		"@types/semver": "^7.3.13",
-		"ava": "^5.1.0",
-		"del": "^7.0.0",
-		"del-cli": "^5.0.0",
-		"delay": "^5.0.0",
-		"p-event": "^5.0.1",
-		"tempy": "^3.0.0",
+		"@sindresorhus/tsconfig": "^5.0.0",
+		"@types/node": "^20.8.8",
+		"@types/semver": "^7.5.4",
+		"ava": "^5.3.1",
+		"del": "^7.1.0",
+		"del-cli": "^5.1.0",
+		"delay": "^6.0.0",
+		"p-event": "^6.0.0",
+		"tempy": "^3.1.0",
 		"ts-node": "^10.9.1",
-		"tsd": "^0.28.1",
-		"typescript": "^5.1.6",
-		"xo": "^0.54.0"
+		"tsd": "^0.29.0",
+		"typescript": "^5.2.2",
+		"xo": "^0.56.0"
 	},
-	"sideEffects": false,
 	"ava": {
 		"files": [
 			"test/*",

source/index.ts

@@ -1,11 +1,10 @@
-/* eslint-disable @typescript-eslint/naming-convention, @typescript-eslint/no-unsafe-return, @typescript-eslint/no-redundant-type-constituents */
+/* eslint-disable @typescript-eslint/naming-convention, @typescript-eslint/no-unsafe-return */
 import {isDeepStrictEqual} from 'node:util';
 import process from 'node:process';
 import fs from 'node:fs';
 import path from 'node:path';
 import crypto from 'node:crypto';
 import assert from 'node:assert';
-import {EventEmitter} from 'node:events';
 import {getProperty, hasProperty, setProperty, deleteProperty} from 'dot-prop';
 import envPaths from 'env-paths';
 import {writeFileSync as atomicWriteFileSync} from 'atomically';
@@ -16,7 +15,6 @@ import semver from 'semver';
 import {type JSONSchema} from 'json-schema-typed';
 import {
 	concatUint8Arrays,
-	isUint8Array,
 	stringToUint8Array,
 	uint8ArrayToString,
 } from 'uint8array-extras';
@@ -60,7 +58,7 @@ const MIGRATION_KEY = `${INTERNAL_KEY}.migrations.version`;
 
 export default class Conf<T extends Record<string, any> = Record<string, unknown>> implements Iterable<[keyof T, T[keyof T]]> {
 	readonly path: string;
-	readonly events: EventEmitter;
+	readonly events: EventTarget;
 	readonly #validator?: AjvValidateFunction;
 	readonly #encryptionKey?: string | Uint8Array | NodeJS.TypedArray | DataView;
 	readonly #options: Readonly<Partial<Options<T>>>;
@@ -127,7 +125,7 @@ export default class Conf<T extends Record<string, any> = Record<string, unknown
 			this._deserialize = options.deserialize;
 		}
 
-		this.events = new EventEmitter();
+		this.events = new EventTarget();
 		this.#encryptionKey = options.encryptionKey;
 
 		const fileExtension = options.fileExtension ? `.${options.fileExtension}` : '';
@@ -349,7 +347,7 @@ export default class Conf<T extends Record<string, any> = Record<string, unknown
 		this._validate(value);
 		this._write(value);
 
-		this.events.emit('change');
+		this.events.dispatchEvent(new Event('change'));
 	}
 
 	* [Symbol.iterator](): IterableIterator<[keyof T, T[keyof T]]> {
@@ -369,7 +367,7 @@ export default class Conf<T extends Record<string, any> = Record<string, unknown
 			const password = crypto.pbkdf2Sync(this.#encryptionKey, initializationVector.toString(), 10_000, 32, 'sha512');
 			const decipher = crypto.createDecipheriv(encryptionAlgorithm, password, initializationVector);
 			const slice = data.slice(17);
-			const dataUpdate = isUint8Array(slice) ? slice : stringToUint8Array(slice);
+			const dataUpdate = typeof slice === 'string' ? stringToUint8Array(slice) : slice;
 			return uint8ArrayToString(concatUint8Arrays([decipher.update(dataUpdate), decipher.final()]));
 		} catch {}
 
@@ -404,8 +402,11 @@ export default class Conf<T extends Record<string, any> = Record<string, unknown
 			callback.call(this, newValue, oldValue);
 		};
 
-		this.events.on('change', onChange);
-		return () => this.events.removeListener('change', onChange);
+		this.events.addEventListener('change', onChange);
+
+		return () => {
+			this.events.removeEventListener('change', onChange);
+		};
 	}
 
 	private readonly _deserialize: Deserialize<T> = value => JSON.parse(value);
@@ -472,11 +473,11 @@ export default class Conf<T extends Record<string, any> = Record<string, unknown
 		if (process.platform === 'win32') {
 			fs.watch(this.path, {persistent: false}, debounceFn(() => {
 			// On Linux and Windows, writing to the config file emits a `rename` event, so we skip checking the event type.
-				this.events.emit('change');
+				this.events.dispatchEvent(new Event('change'));
 			}, {wait: 100}));
 		} else {
 			fs.watchFile(this.path, {persistent: false}, debounceFn(() => {
-				this.events.emit('change');
+				this.events.dispatchEvent(new Event('change'));
 			}, {wait: 5000}));
 		}
 	}

source/types.ts

@@ -1,4 +1,3 @@
-import {type EventEmitter} from 'node:events';
 import {type JSONSchema as TypedJSONSchema} from 'json-schema-typed';
 // eslint-disable unicorn/import-index
 import type Conf from './index.js';
@@ -259,4 +258,4 @@ export type Deserialize<T> = (text: string) => T;
 export type OnDidChangeCallback<T> = (newValue?: T, oldValue?: T) => void;
 export type OnDidAnyChangeCallback<T> = (newValue?: Readonly<T>, oldValue?: Readonly<T>) => void;
 
-export type Unsubscribe = () => EventEmitter;
+export type Unsubscribe = () => void;

tsconfig.json

@@ -2,9 +2,9 @@
 	"extends": "@sindresorhus/tsconfig",
 	"compilerOptions": {
 		"outDir": "dist",
-		"target": "es2020", // Node.js 14
+		"target": "es2022", // Node.js 18
 		"lib": [
-			"es2020"
+			"es2022"
 		],
 		"noPropertyAccessFromIndexSignature": false,
 		"isolatedModules": true