Always enable electron contextIsolation

CHANGELOG.md

@@ -5,6 +5,11 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Fixed
+- Always enable electron contextIsolation
+
+### Changed
+- Checkbox type supports a single boolean value
 
 ## [2.4.1] - 2020-07-13
 ### Fixed

index.js

@@ -223,16 +223,7 @@ class ElectronPreferences extends EventEmitter2 {
 
 	}
 
-	show() {
-
-		if (this.prefsWindow) {
-
-			this.prefsWindow.focus();
-
-			return this.prefsWindow;
-
-		}
-
+	getBrowserWindowOptions() {
 		let browserWindowOpts = {
 			title: 'Preferences',
 			width: 800,
@@ -250,18 +241,20 @@ class ElectronPreferences extends EventEmitter2 {
 		const defaultWebPreferences = {
 			nodeIntegration: false,
 			enableRemoteModule: false,
-			contextIsolation: true,
 			preload: path.join(__dirname, './preload.js'),
 		};
 
+		const unOverridableWebPreferences = {
+			contextIsolation: true,
+		}
+
 		// User provider `browserWindow`, we load those
 		if (this.options.browserWindowOverrides) {
 
 			browserWindowOpts = Object.assign(browserWindowOpts, this.options.browserWindowOverrides);
 
 		}
 
-		//
 		if (browserWindowOpts.webPreferences) {
 
 			browserWindowOpts.webPreferences = Object.assign(defaultWebPreferences, browserWindowOpts.webPreferences);
@@ -272,7 +265,22 @@ class ElectronPreferences extends EventEmitter2 {
 
 		}
 
-		this.prefsWindow = new BrowserWindow(browserWindowOpts);
+		browserWindowOpts.webPreferences = Object.assign(browserWindowOpts.webPreferences, unOverridableWebPreferences);
+
+		return browserWindowOpts;
+	}
+
+	show() {
+
+		if (this.prefsWindow) {
+
+			this.prefsWindow.focus();
+
+			return this.prefsWindow;
+
+		}
+
+		this.prefsWindow = new BrowserWindow(this.getBrowserWindowOptions());
 
 		if (this.options.menuBar) {