Require Electron 28 and move to ESM

.github/workflows/main.yml

@@ -10,10 +10,11 @@ jobs:
       fail-fast: false
       matrix:
         node-version:
-          - 14
+          - 20
+          - 18
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-node@v1
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node-version }}
       - run: npm install

index.d.ts

@@ -1,13 +1,13 @@
 /**
-Check if [Electron](https://electronjs.org) is running in development.
+Check if Electron is running in development.
 
 This package must be used from the Electron main process.
 
 You can force development mode by setting the `ELECTRON_IS_DEV` environment variable to `1`.
 
 @example
 ```
-import isDev = require('electron-is-dev');
+import isDev from 'electron-is-dev';
 
 if (isDev) {
 	console.log('Running in development');
@@ -16,6 +16,6 @@ if (isDev) {
 }
 ```
 */
-declare const electronIsDev: boolean;
+declare const isDev: boolean;
 
-export = electronIsDev;
+export default isDev;

index.js

@@ -1,11 +1,13 @@
-'use strict';
-const electron = require('electron');
+import electron from 'electron';
 
 if (typeof electron === 'string') {
 	throw new TypeError('Not running in an Electron environment!');
 }
 
-const isEnvSet = 'ELECTRON_IS_DEV' in process.env;
-const getFromEnv = Number.parseInt(process.env.ELECTRON_IS_DEV, 10) === 1;
+const {env} = process; // eslint-disable-line n/prefer-global/process
+const isEnvSet = 'ELECTRON_IS_DEV' in env;
+const getFromEnv = Number.parseInt(env.ELECTRON_IS_DEV, 10) === 1;
 
-module.exports = isEnvSet ? getFromEnv : !electron.app.isPackaged;
+const isDev = isEnvSet ? getFromEnv : !electron.app.isPackaged;
+
+export default isDev;

index.test-d.ts

@@ -1,4 +1,4 @@
 import {expectType} from 'tsd';
-import isDev = require('./index.js');
+import isDev from './index.js';
 
 expectType<boolean>(isDev);

package.json

@@ -10,6 +10,14 @@
 		"email": "sindresorhus@gmail.com",
 		"url": "https://sindresorhus.com"
 	},
+	"exports": {
+		"types": "./index.d.ts",
+		"default": "./index.js"
+	},
+	"sideEffects": false,
+	"engines": {
+		"node": ">=18"
+	},
 	"scripts": {
 		"test": "xo && tsd"
 	},
@@ -30,7 +38,7 @@
 		"app"
 	],
 	"devDependencies": {
-		"tsd": "^0.14.0",
-		"xo": "^0.38.1"
+		"tsd": "^0.30.3",
+		"xo": "^0.56.0"
 	}
 }

readme.md

@@ -8,16 +8,16 @@ This package must be used from the Electron main process.
 
 ## Install
 
-```
-$ npm install electron-is-dev
+```sh
+npm install electron-is-dev
 ```
 
-*Requires Electron 3 or later.*
+*Requires Electron 28 or later.*
 
 ## Usage
 
 ```js
-const isDev = require('electron-is-dev');
+import isDev from 'electron-is-dev';
 
 if (isDev) {
 	console.log('Running in development');
@@ -39,8 +39,8 @@ This package existed long before that property. The benefit of this package is t
 You can use [`contextBridge`](https://www.electronjs.org/docs/latest/api/context-bridge) in the [preload script](https://www.electronjs.org/docs/latest/tutorial/tutorial-preload) to manually expose the variable:
 
 ```js
-const {contextBridge} = require('electron');
-const isDev = require('electron-is-dev');
+import {contextBridge} from 'electron';
+import isDev from 'electron-is-dev';
 
 contextBridge.exposeInMainWorld('isDev', isDev);
 ```