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/**
* @license
* Copyright 2023 Google Inc.
* SPDX-License-Identifier: Apache-2.0
*/
import os from 'os';
import {BrowserPlatform} from './browser-data/browser-data.js';
/**
* @public
*/
export function detectBrowserPlatform(): BrowserPlatform | undefined {
const platform = os.platform();
switch (platform) {
case 'darwin':
return os.arch() === 'arm64'
? BrowserPlatform.MAC_ARM
: BrowserPlatform.MAC;
case 'linux':
return BrowserPlatform.LINUX;
case 'win32':
return os.arch() === 'x64' ||
// Windows 11 for ARM supports x64 emulation
(os.arch() === 'arm64' && isWindows11(os.release()))
? BrowserPlatform.WIN64
: BrowserPlatform.WIN32;
default:
return undefined;
}
}
/**
* Windows 11 is identified by the version 10.0.22000 or greater
* @internal
*/
function isWindows11(version: string): boolean {
const parts = version.split('.');
if (parts.length > 2) {
const major = parseInt(parts[0] as string, 10);
const minor = parseInt(parts[1] as string, 10);
const patch = parseInt(parts[2] as string, 10);
return (
major > 10 ||
(major === 10 && minor > 0) ||
(major === 10 && minor === 0 && patch >= 22000)
);
}
return false;
}