feat: initial version

__tests__/os.test.ts

@@ -0,0 +1,23 @@
+import { Platform } from '../src/os'
+
+beforeEach(() => {
+  jest.resetModules()
+})
+
+describe('Platform', () => {
+  test('getHomeDir - should return non-empty string', () => {
+    const homeDir = new Platform('linux', undefined, {
+      HOME: '/home/prskr'
+    }).getHomeDir()
+
+    expect(homeDir).toBe('/home/prskr')
+  })
+
+  test('getHomeDir - return USERPROFILE for win32 platform', () => {
+    const homeDir = new Platform('win32', undefined, {
+      USERPROFILE: 'C:\\Users\\prskr'
+    }).getHomeDir()
+
+    expect(homeDir).toBe('C:\\Users\\prskr')
+  })
+})