lib: add `navigator.platform`navigator-platform

Co-authored-by: Mestery <mestery@protonmail.com>
Co-authored-by: Voltrex <mohammadkeyvanzade94@gmail.com>

3 files changed, 47 insertions, 0 deletions

diff --git a/lib/.eslintrc.yaml b/lib/.eslintrc.yaml
index cc4fa19750..538dbbd323 100644
--- a/lib/.eslintrc.yaml
+++ b/lib/.eslintrc.yaml
@@ -75,6 +75,8 @@ rules:
       message: Use `const { MessageEvent } = require('internal/worker/io');` instead of the global.
     - name: MessagePort
       message: Use `const { MessagePort } = require('internal/worker/io');` instead of the global.
+    - name: Navigator
+      message: Use `const navigator = require('internal/navigator');` instead of the global.
     - name: PerformanceEntry
       message: Use `const { PerformanceEntry } = require('perf_hooks');` instead of the global.
     - name: PerformanceMark
diff --git a/lib/internal/bootstrap/node.js b/lib/internal/bootstrap/node.js
index 41a833885f..e25e0405c7 100644
--- a/lib/internal/bootstrap/node.js
+++ b/lib/internal/bootstrap/node.js
@@ -224,6 +224,15 @@ defineLazyProperties(
   ['structuredClone'],
 );
 
+// https://html.spec.whatwg.org/multipage/system-state.html#the-navigator-object
+ObjectDefineProperty(globalThis, 'navigator', {
+  __proto__: null,
+  enumerable: true,
+  configurable: true,
+  writable: false,
+  value: require('internal/navigator'),
+});
+
 // Set the per-Environment callback that will be called
 // when the TrackingTraceStateObserver updates trace state.
 // Note that when NODE_USE_V8_PLATFORM is true, the observer is
diff --git a/lib/internal/navigator.js b/lib/internal/navigator.js
new file mode 100644
index 0000000000..7bf0779b90
--- /dev/null
+++ b/lib/internal/navigator.js
@@ -0,0 +1,36 @@
+'use strict';
+
+const {
+  ObjectDefineProperties,
+} = primordials;
+
+const {
+  kEnumerableProperty,
+} = require('internal/util');
+
+const {
+  getOSInformation,
+} = internalBinding('os');
+
+class Navigator {
+  /**
+   * Chromium: https://github.com/chromium/chromium/blob/main/ui/webui/resources/js/platform.ts
+   * @return {string}
+   */
+  get platform() {
+    switch (process.platform) {
+      case 'win32': return 'Win32';
+      case 'android': return 'Android';
+      case 'darwin':
+        // It should return MacIntel for both M1 and Intel mac devices.
+        return 'MacIntel';
+      default: return getOSInformation()[0];
+    }
+  }
+}
+
+ObjectDefineProperties(Navigator.prototype, {
+  platform: kEnumerableProperty,
+});
+
+module.exports = new Navigator();